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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

  • Expertise in Blockchain and Web3 Development

    SpaceDev's proficiency in blockchain and Web3 development is highlighted across multiple reviews. Clients appreciated their ability to handle complex blockchain projects, including smart contract development, Web3 integrations, and platform scalability. Their deep understanding of blockchain technology was a key factor in successful project outcomes.

  • Cultural Fit and Company Values

    Many clients noted a strong cultural fit and alignment of company values with SpaceDev, which facilitated smoother collaborations and project alignments. This cultural synergy was a decisive factor for many clients.

  • Strong Project Management Skills

    Clients praised SpaceDev's project management, noting their ability to deliver on time and manage projects efficiently using Agile methodologies. They were commended for their communication, transparency, and ability to meet deadlines, which contributed to the smooth execution of projects.

  • Technical Expertise Across Various Technologies

    SpaceDev demonstrated strong technical expertise in various technologies, including React, Node.js, Angular, and more. Clients appreciated their ability to handle diverse technical challenges and deliver robust solutions.

  • Successful Project Outcomes and Client Growth

    SpaceDev's work often resulted in successful project outcomes, leading to client growth and expansion. Clients reported improvements in metrics such as user acquisition, sales increases, and operational efficiency.

  • 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.

SpaceDev Reviews

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Crypto Trading Platform Dev for Crypto Trading Company

  • Blockchain Custom Software Development UX/UI Design
  • Azure Platform
    +2
  • 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
    +2
  • $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
    +7
  • $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
    +2
  • $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.

No-Code Automation Platform Dev for Web3 Automation Company

  • Blockchain Custom Software Development Web Development
  • Web3
  • Confidential
  • Feb. 2022 - Feb. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They felt more like a partner than a service provider."

Oct 25, 2023
Senior Software Engineer, Web3 Automation Company
Anonymous
Verified
  • Other industries
  • Spain
  • 1-10 Employees
  • Online Review
  • Verified

SpaceDev built a no-code automation platform for blockchain activities for a Web3 automation company. The team's tasks included blockchain development and integrations, backend development, and testing. 

IT Staff Augmentation for Software Dev Company

  • Custom Software Development Mobile App Development Web Development
  • NextJS
    +5
  • Confidential
  • Feb. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They have strong developers who are a pleasure to work with."

Oct 23, 2023
CTO, Booster Software
Gabriel Monteagudo
Verified
  • Other industries
  • Uruguay
  • 11-50 Employees
  • Online Review
  • Verified

A software firm has tapped SpaceDev to provide skilled resources to augment their internal development teams. These resources assist the client with various development projects (e.g., mobile app, website). 

Showing 1-11 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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