Name: RedDuck
Address: Saperne Pole Street 12, Kyiv, Ukraine, 01042, UA
Telephone: +380500673074
Price range: $50 - $99
Rating: 5.0

Blockchain & Web3 Consulting & Development Firm

RedDuck is a team of engineers, product architects, and blockchain specialists helping Web3 companies launch faster and build better products.

We focus on practical engineering, clear architecture, and clean code — without unnecessary complexity or empty buzzwords.

Our team works with startups, protocols, and funds to:

Min project size
$5,000+
Hourly rate
$50 - $99 / hr
Employees
10 - 49
Locations
Kyiv, Ukraine
Year founded
Founded 2020
Languages
Timezones

Overview by:

Mark Virchenko

CEO About the Team

EET: Eastern European Time (EET)

CET: Central European Time (CET)

EST: Eastern Standard Time (EST)

CST: Central Standard Time (CST)

IST: India Standard Time (IST)

GST: Gulf Standard Time (GST)

BST: Bangladesh Standard Time (BST)

AKST: Alaska Standard Time (AKST)

AGT: Argentina Standard Time (AGT)

ART: (Arabic) Egypt Standard Time (ART)

AST: Arabia Standard Time (AST)

HST: Hawaii Standard Time (HST)

IET: Indiana Eastern Standard Time (IET)

JST: Japan Standard Time (JST)

NST: New Zealand Standard Time (NST)

PST: Pacific Standard Time (PST)

SAST: South African Standard Time (SAST)

SST: Solomon Standard Time (SST)

PNT: Phoenix Standard Time (PNT)

SGT: Singapore Standard Time (SGT)

MET: Middle East Time (MET)

MIT: Midway Islands Time (MIT)

MST: Mountain Standard Time (MST)

NET: Near East Time (NET)

IDT: Israel Daylight Time (IDT)

GMT: Greenwich Mean Time (GMT)

CTT: China Taiwan Time (CTT)

EAT: Eastern African Time (EAT)

CAT: Central African Time (CAT)

CNT: Canada Newfoundland Time (CNT)

COT: Colombia Time (COT)

AET: Australia Eastern Time (AET)

BET: Brazil Eastern Time (BET)

ACT: Australia Central Time (ACT)

PLT: Pakistan Lahore Time (PLT)

PRT: Puerto Rico and US Virgin Islands Time (PRT)

UTC: Universal Coordinated Time (UTC)

Service Lines

Blockchain: 90%
Web Development: 10%

Select Focus Area

Blockchain Focus

Decentralized Finance: 25%
Ethereum Development: 25%
Smart Contract Development: 25%
Web3: 25%

Industries

Information technology: 100%

Clients

Midmarket ($10M - $1B): 50%
Small Business (<$10M): 45%
Enterprise (>$1B): 5%

Blockchain Web Development Web3

Pricing Snapshot

Min. project size $5,000+

Avg. hourly rate $50 - $99 /hr

Rating for cost 5 /5

What Clients Have Said

RedDuck is noted for providing good value for cost across various projects, with clients highlighting that their pricing fits budgets. Specific project costs include $30,000 and $60,000-$80,000 for larger engagements, emphasizing their adaptability to client needs and delivering quality results.

This summary is based on verified Clutch reviews.

Most Common Project Size

$50,000 - $199,999 based on 10 reviews

< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

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Website Development Packages

starting at $6,400/month

Blockchain Development Packages

starting at $6,400/month

RedDuck Review Insights

Overall Review Rating

5.0

Quality 4.9
Schedule 5.0
Cost 5.0
Willing to Refer 5.0

Top Mentions

Review Highlights

Room for Process Refinement

While clients are generally satisfied, some note that there is always room for internal process refinement over time. This suggests RedDuck's openness to continuous improvement and evolution.
Client Satisfaction and Trust

Clients express high satisfaction with RedDuck's work, noting the team's reliability and trustworthiness. Many clients have ongoing relationships, indicating strong trust and satisfaction with RedDuck's services.
Flexibility and Adaptability

RedDuck is praised for being flexible and adaptable, adjusting their approach based on client feedback and evolving project needs. This adaptability enhances client experiences and project outcomes.
Value for Cost

RedDuck is noted for offering good value for cost, making them an attractive option for clients seeking quality services within budget. Their pricing aligns well with the high quality of deliverables.
Innovative Problem Solving

Clients appreciate RedDuck's innovative approach to problem-solving, often bringing creative solutions and strategic insights to projects. Their ability to combine technical expertise with business understanding is valued.
Alignment with Client Values and Culture

RedDuck is frequently chosen for their cultural fit and alignment with client values. This compatibility contributes to successful collaborations and positive client experiences.

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RedDuck Reviews

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API Development Blockchain Web Development
Ethereum Development Initial Coin Offering Consulting Smart Contract Development NextJS Web3
$10,000 to $49,999
June - Sep. 2023

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"Their professionalism and commitment to quality made the collaboration a true success."

Sep 13, 2023

Head of Solutions, Revolution Gaming

Markus Stenson

Arts, entertainment & music
Paris, France
1-10 Employees
Online Review

RedDuck provided development services to a Web3 game development studio. The work included implementing a Merkle tree-based vesting smart contract, revamping a website, and developing a crypto payment gateway.

Thanks to RedDuck's contributions, the client achieved efficient token vesting, enhanced user engagement, improved web performance, and a functional payment integration. RedDuck delivered on time and was very knowledgeable, experienced, efficient, professional, and responsive to the client's needs.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Head of Solutions of Revolution Gaming

Describe what your company does in a single sentence.

Web3 game development studio that delivers fun play-to-earn games through a platform.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire RedDuck to accomplish?

Vesting Smart Contract
Crypto payment gateway integration
Account dashboard (frontend / backend)

SOLUTION

How did you find RedDuck?

Online Search

Why did you select RedDuck over others?

High ratings
Great culture fit
Good value for cost
Company values aligned

How many teammates from RedDuck were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Vesting with Merkle Tree Approach: RedDuck implemented a robust vesting smart contract using the innovative Merkle tree approach. This ensured secure and transparent distribution of tokens, with vested amounts released based on predefined conditions. The Merkle tree architecture allowed for efficient and scalable token distribution, providing our project with a strong foundation for token lock-ups and controlled releases.
Website Refactoring and Migration: RedDuck assisted us in smoothly migrating our website files to a new hosting environment. While the initial files were migrated, RedDuck also advised on the necessary refactoring to optimize the website's performance and ensure seamless user experiences. Their attention to detail and expertise in website development helped enhance the website's overall functionality.
Vercel Hosting Integration: To ensure reliable and scalable hosting, RedDuck recommended and implemented Vercel hosting for our website. Their choice of Vercel as a hosting service has proven to be highly efficient, providing us with fast-loading pages and a seamless user interface.
Promo Codes and Referral System: RedDuck integrated a feature-rich promo code and referral system into our payment process gateway. Users can now enjoy exclusive discounts and incentives through pre-programmed promo codes, while the referral system rewards users for bringing in new participants. This dynamic addition significantly boosted user engagement and contributed to our project's growth.
Manual Modification of Merkle Tree: RedDuck's expertise allowed for the manual modification of the Merkle tree, granting us greater flexibility in managing token distributions and adjusting vesting schedules as needed. This level of customization has proven invaluable in responding to specific project requirements and adapting to market conditions.
Payment Integration - Testnet and Mainnet Support: To facilitate smooth transactions and token management, RedDuck expertly integrated a payment gateway into our platform. Their implementation ensured that each deposit was securely credited to the user's account, akin to a centralized mixer or centralized exchange. The initial use of testnet keys allowed us to rigorously test the system, and later, the transition to mainnet keys ensured a seamless transition upon the project's launch.
Dynamic Levels/Stages for Presale: RedDuck skillfully programmed dynamic levels and stages for the presale process. As the number of tokens sold reached predetermined thresholds, the price automatically adjusted according to pre-defined rules. This automated process streamlined the presale and allowed for a fair and transparent token distribution, further building trust and confidence among our community.

In conclusion, RedDuck's contributions have been instrumental in transforming our project into a robust and feature-rich blockchain ecosystem. Their expertise in developing smart contracts, payment gateways, and website functionality, coupled with their problem-solving abilities and professionalism, has made them an invaluable partner in our journey. We highly recommend RedDuck to any project seeking top-tier blockchain development services.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Efficient Token Vesting: The Merkle tree-based token vesting process was seamless and transparent, ensuring accurate distribution and boosting community confidence.
Enhanced User Engagement: The promo codes and referral system drove user adoption and engagement, fostering a growing and active user base.
Improved Website Performance: After migrating and refactoring, the website experienced faster loading times and better user experiences.
Smooth and functional payment Integration: Seamless integration facilitated secure deposits and token crediting, ensuring hassle-free transactions.
Successful Presale Strategy: The dynamic stages of the presale process managed token distribution effectively, engaging the community and driving demand.
Flexibility with Merkle Tree: The ability to modify the Merkle tree allowed for agile adjustments to token distribution schedules.
Mainnet Launch: The successful transition to mainnet keys marked a key milestone in the project's development.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

RedDuck exhibited excellent project management by delivering items on time and being highly responsive to our needs. They promptly addressed our questions and incorporated our feedback, creating a collaborative and efficient partnership. Their professionalism and commitment to quality made the collaboration a true success. Highly impressed with RedDuck's project management skills!

What was your primary form of communication with RedDuck?

Virtual Meeting
Email or Messaging App

What did you find most impressive or unique about this company?

The knowledge, experience, and credibility proved extremely beneficial. RedDuck were not only able to envision what wanted the final product to look like, but they also consulted and asked probing questions, leading to an even better result.

They have the ability to consult and make efficient solutions, and unique additions that we didn't even think about or realize. This was extremely unique and proved that RedDuck understands the goals of their clients as much as they understand the capabilities of the tech.

Are there any areas for improvement or something RedDuck could have done differently?

While RedDuck's overall performance was commendable, there are a few areas where they could have improved or taken a different approach:

More Detailed Documentation: Providing more comprehensive documentation for the delivered solutions could have been beneficial. This would assist us in understanding the implemented features thoroughly and help with future maintenance and updates.
Proactive Testing: While the project was delivered without major issues, proactively conducting comprehensive testing during the development phase could have further minimized potential bugs and ensured smoother implementation.

RATINGS

5.0

Blockchain
Ethereum Development Smart Contract Development Web3
$10,000 to $49,999
July 2022 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"We're impressed with their ability to quickly address and troubleshoot any issues or bugs that arise."

Jul 30, 2023

Executive, Protocol Zero

Anonymous

Other industries
Los Angeles, California
1-10 Employees
Online Review

RedDuck has been tasked with building an account abstraction protocol in the form of a gasless Ethereum swap. This also involves creating various smart contracts on the backend and handling UI design work.

To the client's delight, all deliverables have been completed in a timely and professional manner. Reliable and efficient, the RedDuck team boasts the ability to resolve sudden issues quickly. The partners communicate via virtual meetings, email, and messaging apps.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am an executive of Protocol Zero

Describe what your company does in a single sentence.

We are an account abstraction blockchain protocol

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire RedDuck to accomplish?

Develop a gasless ethereum swap

SOLUTION

How did you find RedDuck?

Upwork

Why did you select RedDuck over others?

High ratings
Pricing fit our budget
Company values aligned

How many teammates from RedDuck were assigned to this project?

6-10 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Scope of work was to develop an account abstraction protocol in the form of a gasless ethereum swap. This would include various smart contracts on the back end ranging from Paymaster to Tokenswap. They've also done all the frontend UI work as well.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Theyve successfully been able to deliver any and all tasks asked of them in a timely and professional manner.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

They delivered all milestones and responded to all my needs in a timely and professional manner

What was your primary form of communication with RedDuck?

Virtual Meeting
Email or Messaging App

What did you find most impressive or unique about this company?

We're impressed with their ability to quickly address and troubleshoot any issues or bugs that arise.

Are there any areas for improvement or something RedDuck could have done differently?

None

RATINGS

5.0

Blockchain
Ethereum Development Smart Contract Development Web3
Confidential
Jan. 2023 - Ongoing

5.0

Quality: 5.0

Schedule: 4.5

Cost: 5.0

Willing to Refer: 5.0

"They are reliable and nimble."

Jun 22, 2023

MD, Decentralized Borrowing Protocol Company

Anonymous

Other industries
United Kingdom
1-10 Employees
Online Review

A decentralized borrowing protocol company has hired RedDuck to develop smart contracts. The team builds smart contracts and does frontend development for the client's Ethereum-based borrowing protocol.

RedDuck has completed deliverables successfully and in their entirety. The team delivers work on time, meets requirements, and communicates effectively through virtual meetings, emails, and messages. Moreover, their reliability and agility are outstanding.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the MD of an information technology company

Describe what your company does in a single sentence.

Decentralised borrowing protocol.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire RedDuck to accomplish?

Develop smart contracts

SOLUTION

How did you find RedDuck?

Online Search

Why did you select RedDuck over others?

High ratings
Great culture fit
Good value for cost

How many teammates from RedDuck were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Develop smart contracts and front end for a Ethereum based borrowing protocol.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Yes - project completely successfully and entirely.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Mark and team deliver on time and get done whatever needs to get done.

What was your primary form of communication with RedDuck?

Virtual Meeting
Email or Messaging App

What did you find most impressive or unique about this company?

They are reliable and nimble.

Are there any areas for improvement or something RedDuck could have done differently?

At times, a degree of project management would have been helpful but it was resolved appropriately when discussed.

RATINGS

5.0

Blockchain Custom Software Development Web Development
Ethereum Development Smart Contract Development Web3
Confidential
Feb. - May 2023

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"Their project management was highly efficient and responsive."

May 25, 2023

Executive, Crypto Development Company

Anonymous

Other industries
Canada
1-10 Employees
Online Review

RedDuck designed and developed a custom frontend interface for a crypto development company. The scope included conceptualizing and building an advanced algorithmic bot to interact with the frontend.

RedDuck delivered a frontend interface that boosted user engagement, leading to more active users. The client was impressed with their efficient and responsive project management, adherence to timelines, and excellent listening skills. The team communicated clearly through meetings and emails.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am an executive of Silver Street

Describe what your company does in a single sentence.

Cutting edge crypto development.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire RedDuck to accomplish?

Develop a custom frontend for a cryptocurrency protocol.
Develop a bot to save time on complex crypto transaction.

SOLUTION

How did you find RedDuck?

Online Search

Why did you select RedDuck over others?

High ratings
Pricing fit our budget
Great culture fit
Good value for cost
Company values aligned

How many teammates from RedDuck were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

The work entailed spearheading the design and development of a bespoke, innovative front-end interface for a pioneering cryptographic protocol. This not only required a deep understanding of the nuances of cutting-edge encryption methodologies, but also the dexterity to create a user-centric, intuitive, and secure platform that seamlessly integrated these complex systems.

Moreover, the role also demanded the conceptualization and realization of an advanced algorithmic bot, designed to interact cohesively with this custom front-end. This bot was expected to offer real-time interactions, demonstrate intelligent decision-making abilities, and effortlessly navigate the interface, all while maintaining optimal security standards and enhancing the user experience.

Overall, the position was a remarkable blend of advanced software engineering, data encryption, AI programming, and UX/UI design, ultimately contributing to the evolution of crypto-technologies and shaping the future of secure digital interactions.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

The project brought about several noteworthy improvements. The new front-end interface effectively boosted user engagement, leading to a significant rise in active users. The algorithmic bot showed increased efficiency, reflected in faster transaction speeds, improved accuracy, and reduced error rates. Additionally, the enhanced encryption techniques ensured the platform's security remained uncompromised.

Performance metrics, such as lower latency and faster load times, also improved noticeably, enhancing overall user satisfaction. Finally, the bot's interaction with the interface was smoother and more effective, with successful interactions and ease of navigation showing considerable progress. An uptick in customer satisfaction scores indicated positive reception from the user base, underlining the overall success of the project.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Their project management was highly efficient and responsive. They consistently adhered to timelines, delivering milestones punctually and often ahead of schedule. Their keen attention to detail and commitment to quality was evident throughout the project. In response to our needs, they demonstrated remarkable flexibility and proactivity.

They were attentive listeners, effectively integrating feedback into their workflow. They approached each challenge with a problem-solving mindset, often proposing innovative solutions. Their dedication to fostering a collaborative environment ensured our needs were always prioritized and well-addressed.

What was your primary form of communication with RedDuck?

Virtual Meeting
Email or Messaging App

What did you find most impressive or unique about this company?

What truly set this company apart was their innovative approach to problem-solving and their unwavering commitment to excellence. Their ability to seamlessly merge complex cryptography, cutting-edge AI, and intuitive design was nothing short of impressive. Moreover, their proactive and receptive communication style fostered a collaborative and productive work environment. They were always ready to go the extra mile to meet our needs, often surpassing our expectations. Their dedication to not just delivering, but excelling, made them unique in their domain.

Are there any areas for improvement or something RedDuck could have done differently?

None

RATINGS

5.0

"An exceptional partnership that exceeded expectations, offering an unrivaled blend of innovation, collaboration, and professionalism."

Blockchain
Smart Contract Development
Confidential
Jan. - Dec. 2022

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"They brought great ideas to make our product even better!"

May 17, 2023

CEO & Co-Founder, Two Lands

Jared Vergilis

Other industries
New Canaan, Connecticut
1-10 Employees
Online Review
Verified

RedDuck provided custom software development and advisory for a blockchain company. The team revised the client's smart contract and built additional layers of timed automation.

RedDuck delivered impeccable work on time. The team led smart and efficient project management and contributed valuable ideas. They communicated effectively through virtual meetings. The client also praised RedDuck's outstanding organizational skills.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the CEO and Cofounder of Two Lands

Describe what your company does in a single sentence.

We are a Blockchain company with an extensive ecosystem.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire RedDuck to accomplish?

Contract development and advisory

SOLUTION

How did you find RedDuck?

Online Search
Other

Why did you select RedDuck over others?

Company values aligned

How many teammates from RedDuck were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

We needed our smart contract revised adding additional layers of timed automations

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Mark and his team delivered an impeccable experience and deliverable product in extremely timely manner.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

These guys were the best! Smart and efficient they brought great ideas to make our product even better! I highly recommend and will certainly be working with them again.

What was your primary form of communication with RedDuck?

Virtual Meeting

What did you find most impressive or unique about this company?

How organized and efficient they are.

Are there any areas for improvement or something RedDuck could have done differently?

Not at all. There is a reason why they win awards.

RATINGS

5.0

Showing 11-15 of 15 Reviews

Software Development (Solana)

Development of Blockchain/Web3 software focusing on smart-contracts / DeFi / RWA on Solana.

Small

Allocation of a Solana developer

$6,400 /month

Project Scope Estimation: Ideal for well-scoped feature builds and MVPs — efficient, focused execution when the architecture and requirements are already defined

Medium

Allocation of a Senior Solana Developer

$9,600 /month

Project Scope Estimation: Best for standard production builds — dApps, protocols, and integrations that need an experienced engineer working independently end-to-end

Large

Allocation of a tech-lead Solana Engineer

$12,800 /month

Project Scope Estimation: Best suited for high-stakes builds — RWA platforms, institutional-grade DeFi, Prediction Markets — where investors and stakeholders expect senior-level oversight and predictable delivery

Features	Small $6,400 /mo	Medium $9,600 /mo	Large $12,800 /mo
Project Scope Estimation	Ideal for well-scoped feature builds and MVPs — efficient, focused execution when the architecture and requirements are already defined	Best for standard production builds — dApps, protocols, and integrations that need an experienced engineer working independently end-to-end	Best suited for high-stakes builds — RWA platforms, institutional-grade DeFi, Prediction Markets — where investors and stakeholders expect senior-level oversight and predictable delivery

Small $6,400 /mo
Project Scope Estimation	Ideal for well-scoped feature builds and MVPs — efficient, focused execution when the architecture and requirements are already defined

Medium $9,600 /mo
Project Scope Estimation	Best for standard production builds — dApps, protocols, and integrations that need an experienced engineer working independently end-to-end

Large $12,800 /mo
Project Scope Estimation	Best suited for high-stakes builds — RWA platforms, institutional-grade DeFi, Prediction Markets — where investors and stakeholders expect senior-level oversight and predictable delivery

Software Development (Ethereum/EVM)

Development of Blockchain/Web3 software focusing on smart-contracts / DeFi / RWA on Ethereum network.

Small

Allocation of an ethereum smart-contract developer

$6,400 /month

Project Scope Estimation: Ideal for well-scoped feature builds and MVPs — efficient, focused execution when the architecture and requirements are already defined

Medium

Allocation of a senior ethereum developer RWA/DeFi

$9,600 /month

Project Scope Estimation: Best for standard production builds — dApps, protocols, and integrations that need an experienced engineer working independently end-to-end

Large

Allocation of a tech-lead developer RWA/DeFi/Web3

$12,800 /month

Project Scope Estimation: Best suited for high-stakes builds — RWA platforms, institutional-grade DeFi — where investors and stakeholders expect senior-level oversight and predictable delivery

Features	Small $6,400 /mo	Medium $9,600 /mo	Large $12,800 /mo
Project Scope Estimation	Ideal for well-scoped feature builds and MVPs — efficient, focused execution when the architecture and requirements are already defined	Best for standard production builds — dApps, protocols, and integrations that need an experienced engineer working independently end-to-end	Best suited for high-stakes builds — RWA platforms, institutional-grade DeFi — where investors and stakeholders expect senior-level oversight and predictable delivery

Small $6,400 /mo
Project Scope Estimation	Ideal for well-scoped feature builds and MVPs — efficient, focused execution when the architecture and requirements are already defined

Medium $9,600 /mo
Project Scope Estimation	Best for standard production builds — dApps, protocols, and integrations that need an experienced engineer working independently end-to-end

Large $12,800 /mo
Project Scope Estimation	Best suited for high-stakes builds — RWA platforms, institutional-grade DeFi — where investors and stakeholders expect senior-level oversight and predictable delivery

Our Story

We are RedDuck, a Kyiv-based Web3 development and consulting team since 2020. Our mission is pragmatic blockchain engineering: we analyze product viability, design web3-native UX, build clean, efficient smart contracts and full‑stack apps, and ensure quality through testing, warranty, deployment and maintenance. Our team trains via our own academy and has delivered Ethereum/EVM, Solana, SUI, Hedera, Bitcoin, Injective and Hyperledger projects with strong client satisfaction.

Meet the Team

CEO @ RedDuck Highly experienced in managing software teams & engineering projects. RedDuck specializes at Solana, EVM and custom blockchains, delivering software and providing consulting on technical scope, user incentives and game theory in web3.

What Sets Us Apart

Deep FinTech & Blockchain Expertise

Since 2020, we've delivered wallets, exchanges, trading systems, payment platforms, prediction markets, tokenization solutions, and complex fintech products. Our team understands both the technical and business challenges behind regulated and high-value financial applications

Senior Engineers, Not Junior Factories

We focus on quality over headcount. Clients work directly with experienced engineers and solution architects who have built production systems handling real assets, payments, trading, compliance workflows, and blockchain infrastructure at scale

From MVP to Production Scale

We help companies launch quickly without sacrificing long-term scalability. Whether it's an MVP, a platform migration, or a complex enterprise system, we design architectures that can evolve with your business rather than requiring costly rewrites later

Quick Facts

6 years in business

Tools and Technology

Slack

Notion

Zapier

GitHub

AWS

Azure DevOps

Docker

Google Sheets

Cloudflare

Azure

GitLab

Commonly Asked Questions

RedDuck specializes in Web3, TradFi / FinTech, blockchain, AI-powered products, trading platforms, prediction markets, crypto wallets, exchanges, payment infrastructure, and complex SaaS solutions. We work best with startups and established companies building technically challenging products that require strong architecture, scalability, and security

We start with a discovery call to understand business goals, technical requirements, and constraints. After reviewing the scope, we provide a realistic roadmap, milestone breakdown, timeline, and budget estimate. Our goal is to identify risks early and avoid costly surprises during development

Since 2020, we've delivered dozens of fintech and blockchain products, generated over $1M on Upwork, and maintained a perfect 5/5 Clutch rating. Clients choose us for deep technical expertise, transparent communication, and the ability to build complex systems such as wallets, exchanges, trading infrastructure, tokenization platforms, and payment solutions

Yes. We regularly build both startup MVPs and enterprise-grade platforms. Whether you need a rapid proof of concept, a production-ready application, or a long-term technical partner, we can assemble the right team and development process for your stage of growth

Our strongest expertise includes Blockchain (EVM, Solana, Bitcoin), FinTech, Payments, Trading Systems, Prediction Markets, AI Integrations, Mobile Apps, SaaS Platforms, Web Applications, Node.js, Python, React, React Native, NestJS, Solidity, Rust, AWS, PostgreSQL, Redis, Kafka, and cloud-native architectures

Verified means Clutch independently confirmed RedDuck is a legally registered business and backed by 9 verified client reviews averaging 5.0 stars.

Learn More

Verified Client Reviews: 9

Overall Review Rating: 5

Source: Clutch

Last Updated: August 5, 2026

Business Entity

Business Entity Name	RedDuck Limited
Source	Republic of Cyprus, Ministry of Commerce, Industry and Tourism
Jurisdiction of Formation	Cyprus
Date of Formation	March 10, 2025
Status	Active
Last Updated	March 18, 2026
ID	ΗΕ 472209

Credit Report Results

International Credit Risk Assessment	Not Rated
Source	Creditsafe
Last Updated	March 20, 2026

*Clutch performed additional verification on this company and confirmed that there are no negative legal filings or large outstanding debts. This company has also received 3 or more verified reviews on our platform.

Learn More About The Clutch Verification Process

Locations (2)

Saperne Pole Street 12 Kyiv, Ukraine 01042

6 - 9

Contact RedDuck

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RedDuck

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Mark Virchenko

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RedDuck

Blockchain & Web3 Consulting & Development Firm

Overview by:

4 Languages that we service

37 Timezones that we service

2 Locations

Services

Focus

Industries

Clients

Pricing Snapshot

What Clients Have Said

Most Common Project Size

Select a service to see pricing information

Reviews

RedDuck Review Insights

Overall Review Rating

Top Mentions

Review Highlights

Room for Process Refinement

Client Satisfaction and Trust

Flexibility and Adaptability

Value for Cost

Innovative Problem Solving

Alignment with Client Values and Culture

Reviews mentioning:

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Custom Software Dev & Design for Blockchain Company

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Smart Contract Development for Borrowing Protocol Company

BACKGROUND

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RESULTS & FEEDBACK

RATINGS

Custom Software Dev for Crypto Development Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Smart Contract Development for Blockchain Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Portfolio & Awards

Packages

Packages we offer:

Software Development (Solana)

Small

Medium

Large

Software Development (Ethereum/EVM)

Small

Medium

Large

About the Team

Our Story

Meet the Team

Mark VirchenkoCEO

What Sets Us Apart

Quick Facts

Tools and Technology

Commonly Asked Questions

What types of projects is your team focused on?

How do you estimate project timelines and budgets?

Why do clients choose RedDuck?

Can you help with MVPs as well as large-scale products?