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Kapil Kuthe - Senior Backend Developer

Kapil Kuthe

I’m a Backend Developer passionate about building scalable, secure, and high-performance systems in the fintech space. From real-time stock data APIs to banking microservices, I enjoy solving complex problems with Go, Java Spring Boot, and modern tools like Redis, PostgreSQL, and Docker. Always curious, I thrive on learning and experimenting with new technologies to craft clean, reliable, and future-ready solutions.

Backend Fintech Curious
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⚡ Skills

Backend Development

Go (Golang) logo Go (Golang)
80%
Java Spring Boot logo Java Spring Boot
70%
Golang Java Spring Boot REST APIs

Databases

PostgreSQL logo PostgreSQL
65%
Redis logo Redis
80%
MSSQL logo MSSQL
70%
PostgreSQL Redis MSSQL SQL

Tools & DevOps

Docker logo Docker
70%
Git / GitHub logo Git / GitHub
80%
ELK Stack logo element ELK Stack logo element ELK Stack logo element
ELK Stack
60%
Docker Git GitHub ELK Stack

🚀 Projects

Stock Data APIs

Built high-performance stock market APIs using Golang and Nest.js, leveraging Redis caching for faster data access, Elasticsearch for real-time trading data delivery, and PostgreSQL for data storage.

Go (Golang) Nest.js Redis Elasticsearch PostgreSQL REST API
GitHub Repo

Banking REST APIs

Designed and deployed secure, scalable REST APIs for banking operations using Go (Fiber). The APIs feature robust encryption, custom middleware for enhanced validation and modularity, and a streamlined verification process to ensure compliance and security.

Go (Fiber) Encryption REST API Fintech
GitHub Repo

Notification & Engagement Service

Developed a scalable SMS/Email microservice in Go (Iris) with message queues, improving delivery speed and reliability.

Go (Golang) Microservices Message Queues Email/SMS
GitHub Repo

💼 Experience

  1. Software Developer

    Torus Digital Pvt. Ltd. | Andheri, Mumbai | Jul 2022 – Present

    • Built scalable REST APIs (Java Spring Boot, Golang Fiber/Iris), reducing system downtime by 25%.
    • Optimized 80K+ line codebases using SOLID principles, reducing build times by 15%.
    • Led backend development and integration pipelines for fintech and banking systems.
    • Improved database performance by 20% through query optimization and Redis caching.
    • Enhanced system observability and diagnostics using Grafana and the ELK Stack.
    Golang Spring Boot Redis Grafana ELK

  2. Software Support Engineer

    Barcode India Ltd. | Andheri, Mumbai | Feb 2021 – Jun 2022

    • Resolved backend and relational database issues using complex SQL script diagnostics, reducing issue resolution time by 20%.
    • Supported pharma clients under strict SLA guidelines, achieving a 90% customer satisfaction score.
    • Collaborated with core engineering teams to deploy bug fixes and optimize system reliability.
    • Delivered on-site and remote technical assistance for enterprise database deployments.
    SQL Technical Support System Maintenance

  3. Customer Support Executive (QA & Documentation)

    Aidemtec Service Pvt. Ltd. | Andheri, Mumbai | Jan 2019 – May 2020

    • Performed manual and regression testing on client platforms, reducing production deployment issues by 15%.
    • Maintained and upgraded system technical documentation and integration guides.
    • Managed client onboarding technical pipelines and integrations, reducing onboarding friction.
    • Delivered client-facing training sessions, increasing software product adoption by 12%.
    Testing Documentation Client Support

📬 Get in Touch

Whether you are looking to hire a Senior Backend Engineer, discuss distributed systems, or just want to connect, feel free to reach out!

[email protected]
GitHub | LinkedIn