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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

  • 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.

  • Dependable and Reliable Partner

    SpaceDev is seen as a reliable partner that delivers on promises and supports clients through the development process. Their commitment to client success is evident in their proactive problem-solving and dedication to project goals.

  • 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.

  • 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.

  • 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.

  • Adaptability and Flexibility

    SpaceDev demonstrates a high degree of adaptability, accommodating scope changes and evolving project requirements effectively. Their flexibility is often cited as a key factor in successful project outcomes.

SpaceDev Reviews

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Services
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Industry
Location

Custom Software Development for Employee SaaS Platform

  • Custom Software Development UX/UI Design
  • $50,000 to $199,999
  • Mar. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"SpaceDev's holistic approach is impressive. They ensure that every component of our platform is optimized."

Oct 30, 2023
CEO, Twispi
Alex De la Garza
Verified
  • Other industries
  • Monterrey, Mexico
  • 11-50 Employees
  • Online Review
  • Verified


An employee SaaS platform has hired SpaceDev to completely overhaul their platform. They've built the platform's foundation, working on UI/UX design, optimized data structures, and apps for Android and iOS.

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
  • Other app platform
    +2
  • $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.

Showing 41-50 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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