You will get microservices to connect with your data and 3rd party applications.
Project details
1. You will get code built by a Silicon Valley Engineer with over 15 years of industry experience.
2. Unit testing comes with the project.
3. Your project will be built in Go for speed and stability. Addons include docker images, integration tests and swagger documentation.
2. Unit testing comes with the project.
3. Your project will be built in Go for speed and stability. Addons include docker images, integration tests and swagger documentation.
Programming Languages
GoWhat's included
| Service Tiers |
Starter
$500
|
Standard
$2,000
|
Advanced
$4,000
|
|---|---|---|---|
| Delivery Time | 5 days | 20 days | 40 days |
Number of Revisions | 5 | 9 | 9 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
8 reviews
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AK
Adrian K.
Aug 5, 2025
Solana Token Project
AV
Andre V.
Jun 23, 2025
Back end engineer for AI start-up
We hired Rex to build a back end prototype using modern AI tooling, and he hit it out the park. Rex worked with a high degree of autonomy, consistently making smart decisions without requiring hand-holding. What stood out most was his ability to critically evaluate while balancing practicality, and innovation. We'd gladly work with him again on future AI related projects.
JS
James S.
Jun 6, 2025
Golang Web Interface Backend Development
Working with Rex has been a fantastic experience. He is an incredibly skilled and reliable Golang developer who consistently went above and beyond what was required. His ability to take ownership of complex technical challenges, communicate clearly, and deliver high-quality code made a significant impact on the success of our app.
Rex brings a senior-level mindset to his work—he doesn’t just execute tasks, he thinks critically about the architecture, scalability, and long-term maintainability of the codebase. He was proactive in identifying potential issues, suggesting improvements, and always willing to put in the extra effort when deadlines were tight.
If you're looking for a trustworthy, talented, and professional Golang developer, I can’t recommend Rex highly enough. He’s a true asset to any team and someone I will gladly work with again.
Rex brings a senior-level mindset to his work—he doesn’t just execute tasks, he thinks critically about the architecture, scalability, and long-term maintainability of the codebase. He was proactive in identifying potential issues, suggesting improvements, and always willing to put in the extra effort when deadlines were tight.
If you're looking for a trustworthy, talented, and professional Golang developer, I can’t recommend Rex highly enough. He’s a true asset to any team and someone I will gladly work with again.
JG
Joshua G.
Jun 4, 2025
Technical Audit / App Development Planning for App
Working with Rex was a great experience. He led our technical team with a strong mix of expertise, creativity, and a positive, team-first mindset. His leadership made a big impact on the team and the work we accomplished. I'd gladly work with Rex again and highly recommend him, he’d be a huge asset to any team.
AL
Adam L.
Apr 11, 2025
Back End Engineer for San Francisco AI Startup
Skilled engineer.
About Rex
AI Engineer | Startup Founder | 2x exits | Technical Lead
74%
Job Success
Modesto, United States - 6:52 pm local time
HIGHLIGHTS
● Startup Growth & Innovation: Founded and scaled Agrarian Labs, securing SXSW finalist recognition for innovative IoT-driven agricultural technology solutions. (Agrarian Labs)
● Technical Leadership & Business Impact: Led global tracking SaaS development, integrating FedEx, DHL, and UPS, boosting tracking efficiency by 300%. (Redwood Logistics)
● Engineering Excellence: Ranked in Upwork’s top 3% of consultants, delivering high-performance AI and SaaS solutions. (Freelance / Upwork)
● AI-Driven Automation: Developed AI-powered tools, reducing automation inefficiencies by 50% and accelerating pharmaceutical data processing by 300%. (Weave)
● Scalable System Architecture: Designed and deployed Go-based video storage and streaming solutions, reducing latency by 10% and improving uptime by 50%. (Eagle Eye Networks)
SKILLS
Software Architecture | AI & Machine Learning | Cloud Infrastructure | Scalable Systems Design | Technical Leadership | SaaS Development | Microservices & API Optimization | DevOps & CI/CD | Data Engineering | IoT & Automation | Go | PostgreSQL | Django Python | Docker | Kubernetes | AWS ECS Fargate | Recruiting | Technical Mentorship
Steps for completing your project
After purchasing the project, send requirements so Rex can start the project.
Delivery time starts when Rex receives requirements from you.
Rex works on your project following the steps below.
Revisions may occur after the delivery date.
The requirements are reviewed
I will review the requirements and probably ask some questions. If everything checks out, i will start on the project.
Sending of updates
I will send periodic updates.