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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%

Pricing Snapshot

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

What Clients Have Said

SpaceDev is perceived as providing good value for cost, with project investments ranging from $2,000 to $800,000. Clients appreciate their responsiveness, project management, and quality of work, often highlighting their competitive pricing despite being higher than some alternatives.

This summary is based on verified Clutch reviews.

Most Common Project Size

< $49,999 based on 42 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

  • Innovative and Proactive Solutions

    SpaceDev was recognized for their innovative approach and proactive problem-solving abilities. Clients valued their ability to offer creative solutions and strategic insights that enhanced project outcomes.

  • Areas for Improvement: Documentation and Communication Consistency

    Some clients mentioned the need for more consistent documentation and communication skills across team members. While most interactions were positive, there were occasional discrepancies that could be smoothed out with more uniform practices.

  • High-Quality Deliverables

    The quality of SpaceDev's deliverables was frequently noted as high, with many clients expressing satisfaction with the final products. Their work was described as reliable, scalable, and well-structured, often exceeding client expectations.

  • Positive Impact on Client Business Operations

    The solutions provided by SpaceDev had a positive impact on client business operations, improving efficiency and enabling better service delivery. Clients noted significant operational improvements following project implementations.

  • High Ratings and Strong Reputation

    SpaceDev's high ratings and strong reputation were common reasons clients chose them over competitors. Their past successful projects and positive reviews were significant factors in client decision-making processes.

  • Commitment to Client Satisfaction

    SpaceDev consistently demonstrated a strong commitment to client satisfaction, often going above and beyond to meet client needs. They were described as accommodating, proactive, and solution-oriented, which helped in building long-term relationships with clients.

SpaceDev Reviews

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Custom Platform Dev for Customs Broker Agency

  • Custom Software Development Enterprise App Modernization Web Development
  • Amazon Application Development Framework
    +1
  • $200,000 to $999,999
  • Sep. - Oct. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"SpaceDev showcased exceptional project management skills."

Oct 18, 2023
Project Manager, Murillo Ruffinelli Moreira SRL
Martín Sánchez Moreira
Verified
  • Other industries
  • Montevideo, Uruguay
  • 11-50 Employees
  • Online Review
  • Verified

SpaceDev developed a customs management system for a customs broker agency. The client needed this platform to track containers, provide status change notifications, and simplify digital document management.

Landing Page Development for Ethereum Tech Company

  • Blockchain Custom Software Development Web Development
  • Ethereum Development
    +1
  • $10,000 to $49,999
  • May - June 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their speed and dependability were impressive." 

Oct 13, 2023
Admin, Ethereum Uruguay
Lucia Cardellino
Verified
  • Education
  • Uruguay
  • 1-10 Employees
  • Online Review
  • Verified

An Ethereum technology company hired SpaceDev to develop an engaging landing page. The goal was to use the landing page to help visitors know more about the client and their upcoming events.

API & Microservice Dev for Cloud Consulting Firm

  • API Development Application Testing Custom Software Development E-Commerce Development
  • REST API
    +1
  • Confidential
  • July - Oct. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"SpaceDev was quick to understand our architecture."

Oct 13, 2023
Managing Partner, Cloud Consulting Firm
Anonymous
Verified
  • eCommerce
  • New York City, New York
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev helped a cloud consulting firm accelerate some of their projects. These included API and microservice development.

Translation & Software Development for AI Company

  • Custom Software Development
  • Less than $10,000
  • August 2023
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"Their good disposition to work was impressive. They were good people and excellent professionals."

Aug 16, 2023
AI Engineer, Emocional
Èric Quintana Aguasca
Verified
  • Other industries
  • Barcelona, Spain
  • 11-50 Employees
  • Online Review
  • Verified

SpaceDev helped an AI company translate all the components of their platform and extension into English. They also built and implemented a button that would enable users to change between different languages.

Web App & Blockchain Development for Gaming Company

  • Application Management & Support Application Testing Blockchain Custom Software Development Web Development
  • Google app engine
  • $50,000 to $199,999
  • Jan. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"SpaceDev meets the required deadlines."

Jul 24, 2023
CTO, Gaming Company
Anonymous
Verified
  • Other industries
  • San Francisco, California
  • 11-50 Employees
  • Online Review
  • Verified

SpaceDev provides development services for a gaming company. The team is developing a web application and smart contracts for NFTs. SpaceDev also assists the client with blockchain backend development.

Blockchain Web3 Dapp Development for Investment Company

  • Blockchain Business Consulting Custom Software Development Web Development
  • Business Transformation Consulting
    +10
  • $10,000 to $49,999
  • May 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Working with SpaceDev has been one of the best experiences we've had."

Jun 15, 2023
IT Manager, BSC Web3 React Dapp
J.M.
  • Financial services
  • Switzerland
  • 11-50 Employees
  • Online Review

SpaceDev has developed a blockchain Web3 dApp for an investment company. The team created an initial detailed report about the dApp's status. SpaceDev has fixed bugs and cleaned the dApp's code. 

Web Platform Dev for Insurance Company

  • Custom Software Development
  • $50,000 to $199,999
  • Feb. - July 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"SpaceDev essentially made the process very easy for us, and our issues and concerns were swiftly addressed."

Aug 8, 2022
Project Manager & Head of IT Department, Insurance Company.
Anonymous
  • Other industries
  • Uruguay
  • 51-200 Employees
  • Phone Interview

An insurance company was looking to transition their operations into the digital landscape, so they hired SpaceDev to develop a web platform through MongoDB, React, and Node.js with blockchain technology.

Decentralized App Revamp for Blockchain Company

  • Mobile App Development Web Development
  • $10,000 to $49,999
  • May - June 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They were very easy to work."

Jul 4, 2022
Head of Operations, Blockchain Company
Anonymous
  • Other industries
  • Washington, District of Columbia
  • 1-10 Employees
  • Online Review

SpaceDev revamped an existing decentralized application for a blockchain company. The task included integrating a new API into the interface and modifying the frontend interface components in Javascript. 

Website Development for E-Commerce Retailer

  • Web Development
  • $10,000 to $49,999
  • Jan. - Apr. 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Before we made this change our clients were dissatisfied with our website, today they are very happy."

Oct 30, 2020
Director, Puntomio
Santiago Rama Placeres
Verified
  • Retail
  • Uruguay
  • 11-50 Employees
  • Online Review
  • Verified

An e-commerce retailer partnered with SpaceDev to improve and update their website.

Web Dev for Marketing SaaS Startup

  • Web Development
  • $10,000 to $49,999
  • Aug. - Oct. 2020
5.0
Quality
4.5
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They're young and have an eye for innovation."

Oct 20, 2020
CEO, VideoRevv
Anonymous
Verified
  • Advertising & marketing
  • Denver, Colorado
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev provided website dev for a marketing SaaS startup. They created the client's platform from the group up. The team was in charge of designing the site and both frontend and backend development.

Showing 41-50 of 50 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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