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Building scalable, secure, and high-performance backend systems.

Backend developer with 2 years of experience specializing in Go, PostgreSQL, and cloud-based architectures.

About Me

Backend developer experienced in building scalable fintech systems. Focused on performance optimization, clean architecture, and secure system design. Proven ability to improve system efficiency and reliability.

Performance Optimization

Improved system performance by 50% using efficient queries and parallel processing.

🔒

Secure Systems

Implemented RBAC, approval workflows, and AES-256 encryption.

🚀

Scalable Architecture

Experience with microservices, event-driven systems, and clean architecture.

Tech Stack

Languages

Go
Java
SQL
Svelte

Backend

REST APIs
Microservices
Event-driven architecture

Database

PostgreSQL
MongoDB
Redis

Cloud & DevOps

AWS
Docker
CI/CD (GitHub Actions)

Infrastructure

Terraform (Hands-on experience)

Concepts

Clean Architecture
CQRS
TDD

Key Achievements

📈

Performance Improvement

Optimized backend logic and queries, reducing computation time by 50%.

🛡️

Secure System Implementation

Built RBAC and multi-level approval workflows for secure financial operations.

⚙️

Scalable Backend Design

Designed systems capable of handling asynchronous processing and large datasets.

☁️

Cloud & DevOps Integration

Implemented CI/CD pipelines and containerized services using Docker.

How I Build Systems

01

Understand Problem

Break down requirements and identify edge cases.

02

Design Architecture

Choose between monolith or microservices based on scale.

03

Build & Optimize

Write efficient Go services and optimize queries.

04

Secure & Test

Apply RBAC, encryption, and TDD practices.

05

Deploy & Monitor

Use Docker, CI/CD, and cloud services for reliable deployment.

Experience

Backend Developer

Flipopay Technology

Chennai

Feb 2024 – Present

Key Highlights

Built scalable backend services using Go

Designed REST APIs for fintech application

Implemented RBAC and approval workflows

Integrated AWS services (S3, EC2, Cognito, SES)

Improved performance by 50%

Used Docker and CI/CD pipelines

Applied TDD practices

GoPostgreSQLREST APIsRedisGitGitHubAWSDockerCI/CDRBACTDDTerraform

Get In Touch

Open to backend development opportunities and collaboration on scalable systems.

© 2026 Vignesh S. Backend Engineer.

Built with SvelteKit & Tailwind CSS • Designed for scalability and performance