Kapil Kuthe

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

Databases

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

Tools & DevOps

Docker Docker
70%
Git Git / GitHub
80%
Elasticsearch Logstash Kibana
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

Banking

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

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

💼 Experience

Software Developer

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

  • Built scalable REST APIs (Java Spring Boot, Golang Fiber/Iris), reducing downtime by 25%.
  • Optimised 80K+ line codebases with SOLID principles, cutting build times by 15%.
  • Led backend development for fintech/banking systems.
  • Improved DB performance by 20% with query tuning + Redis caching.
  • Enhanced observability with Grafana + ELK.
Golang Spring Boot Redis Grafana ELK

Software Support Engineer

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

  • Supported pharma clients with 90% satisfaction rate.
  • Resolved backend issues via SQL, reducing resolution time by 20%.
  • Collaborated on system improvements for better UX.
  • Delivered on-site & remote technical support.
SQL Client Support System Maintenance

Customer Support Executive

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

  • Managed 100+ monthly queries, boosting satisfaction.
  • Performed manual testing, reducing deployment issues by 15%.
  • Maintained/upgraded technical documentation.
  • Delivered training, increasing adoption by 12%.
Testing Documentation Training