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Web3, Blockchain & Smart Contract Development

SpaceDev is a blockchain development company that helps startups and enterprises design, build and scale Web3, AI, web and mobile products. Since 2017, its team of 70+ engineers, designers and product specialists has delivered more than 200 projects from offices in Miami, Montevideo and Buenos Aires, working on schedules aligned with US time zones.

  • 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%
CMS Focus
Frameworks and CMS
Programming & Scripting
Redux
20%
Typescript
20%
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 IT Staff Augmentation Smart Contract Development Web3

Pricing Snapshot

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

What Clients Have Said

SpaceDev is noted for offering good value for cost, with clients emphasizing their competitive pricing and alignment with budgets. They deliver quality work on time, with investments varying from $2,000 to over $800,000, reflecting flexibility in project scope and client needs.

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

  • Proficiency in Blockchain and Web3

    SpaceDev is highly regarded for its expertise in blockchain technology and Web3 development. Clients appreciate their ability to integrate blockchain solutions seamlessly into projects, ensuring scalability and security. Their work in this area is consistently praised for its quality and innovation.

  • Cultural and Value Alignment

    SpaceDev is frequently chosen for projects due to their cultural fit and alignment with client values. Clients appreciate SpaceDev's adaptability and collaboration, which foster strong working relationships and effective project execution.

  • Strong Project Management Skills

    Clients consistently commend SpaceDev for their excellent project management. They deliver projects on time, maintain clear communication, and exhibit a structured approach to managing tasks. This has led to successful project outcomes and client satisfaction.

  • Effective Communication and Responsiveness

    The company is praised for maintaining effective communication throughout projects. Clients value their responsiveness, transparency, and ability to address inquiries and feedback promptly, contributing to successful project outcomes.

  • Support for Startups and Innovation

    SpaceDev is recognized for supporting startups and fostering innovation. They collaborate closely with early-stage companies to develop proofs of concept and scalable solutions, helping clients achieve market fit.

  • Challenges with Time Zone Differences

    Some clients experienced minor communication challenges due to time zone differences. However, these were not significant setbacks, and clients suggest more scheduled check-ins to improve communication alignment.

SpaceDev Reviews

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Blockchain & AI Development Staff Aug for NFT Marketplace Co

  • AI Development Blockchain IT Staff Augmentation
  • Machine Learning Smart Contract Development Tokenization Web3
  • Confidential
  • Oct. 2024 - Oct. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"SpaceDev was quick to understand our company’s needs and supply great talent."

Oct 15, 2026
Former Talent & People Lead, NFT Marketplace Company
Anonymous
Verified
  • Information technology
  • United States
  • 11-50 Employees
  • Online Review
  • Verified

SpaceDev augmented an NFT marketplace company's team with smart contract engineers and AI-focused developers. The team completed various smart contract deployments and infrastructure projects.

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.

Crypto Trading Platform Dev for Crypto Trading Company

  • Blockchain Custom Software Development UX/UI Design
  • Azure Platform Usability Testing Web3
  • Confidential
  • Aug. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They understood our requirements clearly and efficiently."

Oct 7, 2025
COO, Byrrgis
Monzoor Ullah
Verified
  • Financial services
  • Costa Rica
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev has developed a trading platform for a cryptocurrency trading company. The team has also created a white paper for the platform and worked on UI updates based on the new branding.

Platform Dev & UI Design for Data Collection Platform

  • API Development Custom Software Development UX/UI Design
  • NextJS
  • $10,000 to $49,999
  • Aug. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We are totally satisfied with the service that SpaceDev provided."

Sep 3, 2025
Co-Founder, SVYP
Richard Braithwaite
Verified
  • Other industries
  • Cape Town, South Africa
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev has audited a data collection and reporting platform's existing build. The team has rebuilt the database, refined the UI and frontend interactions, decluttered the codebase, and added features.

Staff Augmentation & Mobile App Development for Dev Company

  • Blockchain IT Staff Augmentation Mobile App Development
  • React Native Web3 React
  • $50,000 to $199,999
  • Jan. 2024 - Mar. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They were able to give us exactly what we needed."

Mar 20, 2025
CTO, Gallery Labs Inc.
Robin Kim
Verified
  • Other industries
  • Los Angeles, California
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev provided frontend development services for a mobile app development company. The team helped build features with scalable UI components and design reusable component APIs.

Web & Mobile App Development for Music Social Network

  • Custom Software Development Mobile App Development Web Development
  • $50,000 to $199,999
  • June 2024 - Mar. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their ability to adapt to changing requirements and offer tailored solutions for such a dynamic market stood out."

Feb 19, 2025
CEO, Music Social Network
Anonymous
Verified
  • Information technology
  • Uruguay
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev has developed a music social network's web and mobile platform. The team has integrated a ticketing system, social features, payment processing, and monetization tools.

Mobile App Dev & UI/UX Design for Wellness Platform

  • Mobile App Development UX/UI Design
  • Amazon Application Development Framework Azure Platform Machine Learning Natural Language Processing Open AI GPT-3 GPT-J GPT-Neox Voice and Speech Recognition
  • $200,000 to $999,999
  • Jan. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The team was highly responsive to our needs."

May 11, 2024
Executive, iAffirm Ltd
Anonymous
Verified
  • Other industries
  • Lincoln, England
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev has developed and maintained a mobile app for a wellness platform. They've created a POC, built the backend infrastructure, designed the UI/UX, implemented features, and conducted QA and testing.

Web & Blockchain Dev for Media Company

  • Blockchain Web Development
  • Ethereum Development Smart Contract Development Web3
  • $1,000,000 to $9,999,999
  • Jan. - June 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their delivery was on schedule."

Oct 30, 2023
Co-Founder, Margenes Labs
Juan Esteban Sierra
Verified
  • Information technology
  • Colombia
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev developed a Web3 platform for a media company. The team was responsible for smart contract creation, front- and backend development, Web3 integrations, and Web2 payment implementation.

Mobile & Web App Development for Car-Sharing Platform

  • Custom Software Development Mobile App Development Web Development
  • $200,000 to $999,999
  • May - Oct. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The team was great and easy to work with."

Oct 26, 2023
CEO, TripWip
Juan Manuel Pancic Arigón
Verified
  • Supply Chain, Logistics, and Transport
  • London, England
  • 51-200 Employees
  • Online Review
  • Verified

SpaceDev developed a web and mobile application for a car-sharing platform. The team developed an iOS and Android apps using React Native, a back-office admin panel, and a commercial landing page. 

Custom Software Development for Public University

  • AI Development Custom Software Development
  • $10,000 to $49,999
  • Apr. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their ability to integrate AI into an educational platform to make it user-friendly and effective is noteworthy."

Oct 25, 2023
Head of Digital Transformation, UTEC
Bruno Gabetti
Verified
  • Education
  • Uruguay
  • 501-1,000 Employees
  • Online Review
  • Verified

A public university hired SpaceDev to revamp their data university platform. The project included AI-driven analytics, a course management system, and a predictive model for student dropouts.

Showing 1-11 of 53 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

SpaceDev is a blockchain development company building secure Web3 products for fintech, gaming and enterprise clients in the US, Canada and Latin America. Since 2017 we've helped ship smart contracts, DeFi protocols, tokenization platforms and crypto exchanges for Hedera, Aptos, Rarible, NDAX and Drata, backed by 50+ five-star Clutch reviews. Our nearshore teams work in US time zones, hold SOC 2 and ISO 27001 certifications, and blend Web3 expertise with traditional Web2 engineering.

Meet the Team

Federico Sendra

Federico SendraCEO

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

Juan Manuel Sobral

Juan Manuel SobralCTO

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

What Sets Us Apart

Blockchain-first engineering

6+ years shipping smart contracts, DeFi protocols and tokenization platforms, with ecosystem work for Hedera, Aptos and Rarible. We audit what we build: security-first Solidity and Rust development.

Nearshore teams in US time zones

Senior engineers across Miami, Montevideo, Buenos Aires and Medellín. Silicon Valley engineering standards, Latin America proximity and rates.

Enterprise-grade security & compliance

SOC 2 and ISO 27001 certified. We build institutional-grade crypto trading systems and fintech platforms where compliance is not optional.

Premier Verified means Clutch independently confirmed SpaceDev is a legally registered business,
has had its financial risk status checked (Creditsafe: Moderate Risk), and is backed by 45 verified client reviews averaging 5.0 stars.

Learn More
Verified Client Reviews
45
Overall Review Rating
5
Source
Clutch
Last Updated
October 15, 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 Miami, FL, United States 33130

2 - 5

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