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Web3, Blockchain & Smart Contract Development

With over 11 years of full-stack experience and 6+ years in blockchain, SpaceDev builds secure and scalable Web3 products.

We specialize in Smart Contract Development, DeFi Protocols, Crypto Trading Platforms, and Blockchain Infrastructure.

Our team designs and audits smart contracts, builds decentralized applications, and develops institutional-grade trading systems with strong security and compliance standards.

Core Services:

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Miami, FL
  • Year founded
    Founded 2017
  • Languages
  • Timezones

Overview by:

Reviewer avatar
Federico Sendra

3 Languages that we service

  • English
  • Spanish
  • Portuguese

6 Timezones that we service

AGT
Argentina Standard Time (AGT)
CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
GMT
Greenwich Mean Time (GMT)
MST
Mountain Standard Time (MST)
PST
Pacific Standard Time (PST)

4 Locations

  • Miami , FL
  • Buenos Aires , Argentina
  • Medellín , Colombia
  • Montevideo , Uruguay

Select Focus Area
Application Platforms
Amazon Application Development Framework
50%
Azure Platform
10%
Heroku
10%
Linux server
10%
Windows server
10%
Frameworks and CMS
Programming & Scripting
Redux
20%
Typescript
20%
User Experience Focus
Industries
Financial services
25%
Information technology
20%
Gaming
15%
Advertising & marketing
10%
Business services
10%
Education
10%
eCommerce
10%
Clients
Small Business (<$10M)
45%
Midmarket ($10M - $1B)
35%
Enterprise (>$1B)
20%
Certified in:
Blockchain Custom Software Development UX/UI Design Web3

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 5 /5

What Clients Have Said

SpaceDev offers competitive pricing with projects ranging from $2,000 to $800,000. Clients consistently note good value for cost and timely delivery, emphasizing their professionalism and effective project management.

This summary is based on verified Clutch reviews.

Most Common Project Size

< $49,999 based on 43 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

SpaceDev Review Insights

Overall Review Rating

5.0
  • Quality 5.0
  • Schedule 4.9
  • Cost 5.0
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Strong Client Communication

    SpaceDev is praised for their open, transparent communication and willingness to adapt to client needs. They maintain regular updates through virtual meetings and messaging platforms, which clients find reassuring and effective for collaboration.

  • Cultural and Value Alignment

    SpaceDev's alignment with client values and culture is frequently noted as a reason for their selection. Clients appreciate the company's dedication to understanding their vision and business goals.

  • Expertise in Blockchain and Web3 Development

    SpaceDev has been recognized for their vast knowledge in Web3 development, successfully delivering projects like trading platforms, carbon registries, and smart contracts. Their clients appreciated their ability to understand complex blockchain requirements and provide tailored solutions.

  • Effective Project Management

    Many clients commend SpaceDev's project management skills, citing timely delivery, clear communication, and adaptive management style. Their use of Agile methodologies and Scrum ceremonies has been highlighted as a strength, ensuring projects stay on track and meet deadlines.

  • Areas for Improvement in Documentation

    While most aspects of SpaceDev's services are praised, some clients noted varying levels of documentation quality among team members, suggesting a potential area for improvement.

  • High-Quality Deliverables

    Clients consistently report satisfaction with the quality of work delivered by SpaceDev. Whether it's software development, UI/UX design, or system integrations, their products often exceed expectations in functionality and user experience.

SpaceDev Reviews

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Services
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Industry
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Custom Software Design & Dev for Robotics & Automation Co

  • Custom Software Development UX/UI Design Web Development
  • $10,000 to $49,999
  • Feb. - June 2025
5.0
Quality
5.0
Schedule
5.0
Cost
3.5
Willing to Refer
5.0

"Their ability to combine discovery, design, and development into a cohesive process was impressive."

Jun 9, 2026
Product Manager, Genba
Martin Dominguez
  • Manufacturing
  • Montevideo, Uruguay
  • 11-50 Employees
  • Online Review

SpaceDev designed and developed a software platform for a robotics and automation startup. The team created the UI/UX design, built the app using React, NestJS, and MongoDB, and implemented QA processes.

Design & Development Services for Blockchain Tech Co

  • Blockchain Custom Software Development
  • Web3
  • $200,000 to $999,999
  • Mar. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“SpaceDev has been flexible, pragmatic, solution-oriented, and friendly.”

Jun 2, 2026
Director Technology, Blockchain for Energy
DJ Kruitbosch
Verified
  • Energy & natural resources
  • South Houston, Texas
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev provides design and development services for a blockchain technology company. The team has completed a variety of separate SOWs, including integrating a carbon dashboard and setting up an IoT database.

Blockchain Software Dev & UX/UI Design for Blockchain Bank

  • Blockchain Custom Software Development UX/UI Design
  • Decentralized Finance
    +2
  • $50,000 to $199,999
  • Nov. 2024 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
4.5
Willing to Refer
5.0

"Project management is one of their most efficient processes."

May 15, 2025
Executive, Mostaza
Anonymous
Verified
  • Banks
  • Bogota, Colombia
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev provides ongoing blockchain development services for a blockchain bank. The team is responsible for UX/UI design and developing three products for the client.

Blockchain & Web Dev for Social Consumer Platform

  • Blockchain Web Development
  • Ethereum Development
    +2
  • Confidential
  • Oct. 2024 - Feb. 2025
4.5
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
4.5

"The team always worked hard to smooth out any differences."

Feb 25, 2025
Founder, Social Consumer Platform
Anonymous
Verified
  • Other industries
  • Northeast - USA
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev developed a social consumer platform's web app. The team developed the front- and backend of the platform and created a suite of smart contracts and a multi-sig deployment pipeline.

Custom Software Development for Software Company

  • Blockchain Custom Software Development Web Development
  • $200,000 to $999,999
  • Dec. 2023 - Apr. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their culture was built upon making things happen, keeping clients happy, and building high-quality products."

May 12, 2024
CEO, Acme Labs
Nilesh Khaitan
Verified
  • Other industries
  • Dubai, United Arab Emirates
  • 11-50 Employees
  • Online Review
  • Verified

SpaceDev provided custom software development support for a software firm. The team helped the client upgrade their backend and frontend technology stack to TypeScript.

Custom Software Dev for Software & Mobile App Dev Company

  • Custom Software Development
  • NodeJS
    +1
  • $10,000 to $49,999
  • Dec. 2023 - May 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They had open, transparent communications."

May 10, 2024
Owner, Swordfish Solutions
John Daniell
Verified
  • Other industries
  • Cincinnati, Ohio
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev developed custom software for a software and mobile app development company. The technologies used included React and Node.js.

Web3 Platform Dev for Crypto Art Company

  • Blockchain Web Development
  • Ethereum Development
    +2
  • Confidential
  • Feb. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They have a good work ethic and seem passionate about the project."

May 7, 2024
Founder, Cryptoart.com
Troy Fearnow
Verified
  • Arts, entertainment & music
  • Austin, Texas
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev develops a web3 platform for a crypto art company. They create smart contracts, build backend administration pages, and integrate Shopify.

Custom Software Dev for Space Managers Platform

  • Custom Software Development Mobile App Development Web Development
  • $50,000 to $199,999
  • Apr. - Nov. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They showed a strong commitment to resolving issues and delivering effective solutions."
Nov 8, 2023
Head of Product, Ubicuity Corp.
Diego Munoz
Verified
  • Arts, entertainment & music
  • San Francisco, California
  • 1-10 Employees
  • Online Review
  • Verified

A space managers platform hired SpaceDev to design and develop a web solution with integrations to backend APIs, local servers, databases, and other modules. They also built a landing page.

Web Dev for Investment Holding Company

  • Web Development
  • $50,000 to $199,999
  • Oct. 2022 - Oct. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Their work ethic and performance were immaculate."
Nov 3, 2023
Chief Legal Officer, Investment Holding Company
Anonymous
Verified
  • Financial services
  • Canada
  • 11-50 Employees
  • Online Review
  • Verified

SpaceDev developed a website for an investment holding company. The team created an admin panel, crafted features for automatic email communications, and provided reports.

Mobile App & Web Development for Financial Services Company

  • Mobile App Development UX/UI Design Web Development
  • Windows server
  • $200,000 to $999,999
  • Dec. 2022 - Sep. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Their personal care and professionalism were impressive."
Oct 31, 2023
Operations Associate, Financial Services Company
Martin Trambauer
  • Financial services
  • Montevideo, Uruguay
  • 11-50 Employees
  • Online Review

SpaceDev provided mobile app and web development services for a financial services company. The team was responsible for design, development, and testing.

Showing 31-40 of 51 Reviews

Discovery Sprint

An intensive, 1-3 weeks, structured process designed to set your project up for success. It starts with an immersive focus session where you'll sit down with product experts and ex-startup founders to dive into your product vision from a business standpoint. Then we’ll create the right list of user stories and UX/UI for your MVP assuring market fit

Small

1 week

$4,000 /total
  • Product Definition
  • MVP Scope & Roadmap
  • 1 week delivery

Large

3 to 4 weeks

$13,000 /total
  • Product Definition
  • MVP Scope & Roadmap
  • Critical App Flow
  • Solution Architecture
  • Platform and Technologies
  • 4 week delivery
Features

Small

$4,000

/total

Medium

$9,000

/total

Large

$13,000

/total

Product Definition

MVP Scope & Roadmap

Critical App Flow

Solution Architecture

Platform and Technologies

Technical Risk Mitigation

Wireframing

UX/UI Design

Small

$4,000

/total

Product Definition

MVP Scope & Roadmap

Critical App Flow

Solution Architecture

Platform and Technologies

Technical Risk Mitigation

Wireframing

UX/UI Design

Medium

$9,000

/total

Product Definition

MVP Scope & Roadmap

Critical App Flow

Solution Architecture

Platform and Technologies

Technical Risk Mitigation

Wireframing

UX/UI Design

Large

$13,000

/total

Product Definition

MVP Scope & Roadmap

Critical App Flow

Solution Architecture

Platform and Technologies

Technical Risk Mitigation

Wireframing

UX/UI Design

Our Story

We are SpaceDev, a global engineering team blending startup agility with Blockchain/Web3 as well as traditional Web2 expertise. Our mission is to turn complex ideas into scalable products: blockchain apps, traditional web & mobile platforms, product discovery, and staff augmentation. With nearshore hubs across the Americas, a proven track record (40+ five-star reviews) and clients like Hedera, Aptos, Rarible, Ulta Beauty and Drata, our team delivers secure, reliable solutions that scale.

Meet the Team

Federico Sendra

Federico SendraCEO

https://www.linkedin.com/in/fsendra/

Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

Learn More
Verified Client Reviews
43
Overall Review Rating
5
Source
Clutch
Last Updated
June 10, 2026

Business Entity

Business Entity Name SpaceDev Ltda
Jurisdiction of Formation Uruguay
Date of Formation October 3, 2017
Status Active
Last Updated January 19, 2023
ID 218099530010

Credit Report Results

International Credit Risk Assessment Moderate Risk
Source Creditsafe
Last Updated January 1, 2022
Learn More About The Clutch Verification Process

Locations (4)

25 Southwest 9th Street MiamiFL, United States 33130

2 - 5

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