I will build a scalable golang backend, rest API or microservices


About this gig
Need a backend that stays fast when traffic spikes? I build Go services that handle high concurrency on modest servers.
What I build:
- REST and real-time APIs in Go (Fiber, Gin or net/http)
- Microservices and event-driven systems with Kafka
- PostgreSQL/MySQL schema design, query tuning and Redis caching
- WebSocket services for chat, feeds and notifications
- Auth, rate limiting, background workers and job queues
- Docker builds and deployment on AWS or Google Cloud
Also available: porting slow Node.js or PHP endpoints to Go, and fixing bottlenecks in an existing Go codebase.
Recent work:
A community and social platform on Go/Fiber with Kafka for scalable fan-out, PostgreSQL and Redis, built to grow from launch to heavy traffic without a rewrite.
How I work:
API contracts first, tests on core logic, structured logging, and docs your team can follow. Simple systems are usually better systems, so I won't add microservices you don't need.
Send me your requirements or current architecture and I'll suggest the right approach.
Get to know Flexgrew
AI SaaS, AI Agents and Chatbot Developer for Startups
- FromIndia
- Member sinceSep 2021
- Avg. response time1 hour
- Last delivery1 year
Languages
English, Hindi, Gujarati
Other Software Development Services I Offer
FAQ
Why Go instead of Node.js or PHP?
Go handles thousands of concurrent connections with little memory, so you serve more users on smaller servers. It's ideal for APIs, real-time features and background processing.
Do you write tests and documentation?
Yes. Core business logic gets unit tests, and every API ships with OpenAPI/Swagger or Postman docs.
Can you work in my existing Go codebase?
Yes. I review the code first and follow your structure and conventions.
Do you build the front end too?
Yes, with Next.js or React. Ask for a custom offer covering both.

