Headline

Golang Backend Developer | API Integration Specialist | Scalable System Design | Passionate About Clean Code & Performance”

About

Software Developer (3+ years) specializing in high-performance API development using Golang within microservices-based fintech platforms. Experienced in building and managing card issuing, transaction processing, and currency exchange systems with focus on scalability, stability, and performance. Skilled in Go, Kratos, gRPC, MySQL, CI/CD and automation testing using k6 and Cypress. Hands-on with Kubernetes, Docker, Prometheus, Grafana, Jenkins, and Git for deployment, monitoring, and DevOps workflows. Proven track record delivering live production systems for fintech, reducing latency and ensuring high availability. Passionate about backend architecture, performance optimization, and secure, reliable distributed systems.

Location

India

AI stack

antigravity

claude code

claude

gemini

geminicli

github copilot

Work experience

Software Engineer at Block Stack, Jul 2025 - Present · 1 yr 3 mos, Bengaluru, 🔹 Golang Developer specializing in building high-performance backend services using Fiber Framework. 🔹 Experienced with PostgreSQL, Redis caching, and real-time systems using WebSockets. 🔹 Passionate about scalable architecture, clean code, and blockchain-based solutions.

Freelance Software Developer at Freelancer.com, May 2025 - Jun 2025 · 2 mos, Remote, 🔹Implemented backend solutions using Golang and Docker, addressing client-specific technical challenges. 🔹Completed a project involving containerization, API development, and performance optimization. 🔹Collaborated closely with the client to troubleshoot issues and improve code quality and efficiency.

Engineering at Stitch, Mar 2023 - May 2025 · 2 yrs 3 mos, Chennai, Tamil Nadu, India, Backend Developer (Golang) – Fintech | Microservices | API Development I’m a backend developer with 2.3 years of experience building scalable, secure systems using Golang. I’ve worked on fintech and trading applications, including: Designing and developing RESTful and gRPC APIs Implementing JWT-based authentication and access control Working with PostgreSQL, MySQL, and Redis for high-performance data handling Writing unit and integration tests to ensure code quality Conducting performance testing with tools like k6 Deploying and maintaining services in local and staging environments I’m passionate about clean code, performance optimization, and solving real-world problems with simple, efficient backend solutions

E-Commerce & Sales Support Executive at Sri Swaminathan & Co, Jun 2021 - Mar 2023 · 1 yr 10 mos, Kumbakonam, I am a dedicated Sales & Operations professional with experience in managing wholesale and retail sales, customer support, billing, and product data management. I maintain accurate stock, pricing, and product details while ensuring smooth order processing for both offline and online customers. I handle customer queries through WhatsApp, assist in product selection, prepare invoices, and maintain daily sales records. I also support the online store team by providing updated product data for web listings. I believe in accuracy, good communication, and building long-term relationships with customers.

Education

Bachelor's degree, Mathematics, Bharathidasan University (BDU), Tiruchirappalli

Master of Social Science, Bharathidasan Institute of Management Tiruchirapalli

Public links

github: https://github.com/vinith-raj-16

leetcode: https://leetcode.com/vinith16