---
title: "Aditya Kumar - Software Engineer Intern in Bengaluru | Tal"
description: "Meet Aditya Kumar, Immediate Joiner | Backend Engineer | X-CoinSwitch SDE Intern | Golang • C++ • PostgreSQL • Redis • Microservices • Distributed Systems | LeetCode Knight | Codeforces Specialist | Open to Full-Time SDE-1 Role based in Bengaluru. AI stack includes antigravity, claude code, and cla..."
image: "https://tal.club/meet/aditya-kumar-30/share-image"
---

# Aditya Kumar on Tal

## Headline

Immediate Joiner \| Backend Engineer \| X\-CoinSwitch SDE Intern \| Golang • C\+\+ • PostgreSQL • Redis • Microservices • Distributed Systems \| LeetCode Knight \| Codeforces Specialist \| Open to Full\-Time SDE\-1 Role

## About

Backend Software Engineer with experience building scalable, production\-grade systems using Go \(Golang\), Java, PostgreSQL, Redis, Docker, and AWS\. Previously worked at CoinSwitch, where I developed secure fintech infrastructure, including high\-performance REST APIs, a multi\-tenant Identity and Access Management \(IAM\) platform with OpenFGA\-based fine\-grained authorization, Redis caching optimizations, and end\-to\-end observability using Grafana and Kibana\. Experienced in designing concurrent backend services, distributed systems, and maintaining reliable production systems\. Prior to that, I worked with AlgoUniversity \(YC\-backed\), where I built CodeXcel, a full\-stack online judge platform featuring a sandboxed multi\-language code execution engine, JWT\-based authentication, Dockerized infrastructure, and AI\-powered code review capabilities\. I enjoy solving complex engineering problems and building systems that are scalable, secure, and reliable\. I also have experience developing AI\-powered applications using Retrieval\-Augmented Generation \(RAG\), LangChain, Pinecone, and Google Vertex AI\. Competitive Programming: LeetCode Knight \(Peak Rating: 1928\) • Codeforces Specialist • Solved 1500\+ DSA problems\. Technical Skills: Go \(Golang\), Java, C\+\+, PostgreSQL, Redis, REST APIs, Microservices, Distributed Systems, Docker, AWS, System Design, OpenFGA, JWT, CI/CD\. Currently seeking full\-time Software Engineer, Backend Engineer, or SDE\-1 opportunities\. Immediate joiner\. Contact: adityakumar\.swe@gmail\.com

## Location

Bengaluru

## AI stack

antigravity

claude code

claude

cursor

opencode

claudecode

## Work experience

Software Engineer Intern at CoinSwitch, Jan 2026 \- Jul 2026 · 6 mo, Bengaluru, Karnataka, India, Building production backend services for a live fintech trading platform \(Go, PostgreSQL, Redis, Grafana, Kibana\)\. • Designed and built production RESTful APIs for API Trading Expiry Options, exposing multiple expiry types to trading clients; engineered concurrent data fetching with Go routines to reduce response latency and improve throughput under peak load\. • Architected a multi\-tenant IAM system with Role\-Based Access Control \(RBAC\) on OpenFGA \(fine\-grained, relationship\-based authorization\), exposing 6\+ secure REST APIs across the identity lifecycle; onboarded 25\+ organizations\. • Engineered a delegated, scoped permission model with token\-authenticated endpoints, expiring access grants \(configurable TTL\), and an approval workflow — enforcing least privilege and preventing privilege escalation\. • Served as primary on\-call engineer during a one\-week production rotation, triaging and resolving alerts across distributed services to maintain high availability\. • Built end\-to\-end observability \(Grafana dashboards \+ Kibana structured logging\), reducing mean time to detection \(MTTD\) by 50%\. • Optimized Redis caching with strategic TTL eviction policies, reducing memory footprint by 30% and lowering infrastructure cost\.

Software Developer Extern at AlgoUniversity, May 2025 \- Jul 2025 · 3 mos, Built a production full\-stack platform end to end \(React, Node\.js, Express, MongoDB, Docker, AWS\)\. • Architected and developed CodeXcel, a production\-grade full\-stack MERN online\-judge platform, reducing problem search time by 35%; containerized with Docker and deployed on AWS \(EC2, ECR\), scaling to 100\+ concurrent users\. • Developed JWT\-authenticated RESTful APIs improving compilation speed by 20% and submission capacity by 50%; engineered a custom multi\-language compiler for sandboxed C\+\+, Python, and Java evaluation\. • Integrated an AI\-powered code reviewer to surface improvement suggestions on accepted submissions\.

Freelance Web Developer at STEMMED EDVOCATIONS, Jun 2024 \- Jul 2024 · 2 mos, Remote, Freelance, STEMMED: "Built and deployed a responsive marketing website for an ed\-tech client \(HTML/CSS/JS\)\.

Teaching Assistant at Coding Ninjas, Jan 2023 \- May 2023 · 5 mos, remote, TA, Coding Ninjas: "Guided 100\+ students through DSA coursework; reviewed code and led doubt\-clearing sessions on recursion, trees, and DP\."

Campus Ambassador at Indian Institute of Technology, Kanpur, Aug 2022 \- Mar 2023 · 8 mos

## Education

Integrated M\.Sc \(Dual Degree\), Mathematics and Computer Science, Birla Institute of Technology, Mesra

Intermediate, Divya Bhaskar public School

## Public links

- github: https://github\.com/spidycoder
- leetcode: https://leetcode\.com/spidycoder178
- codeforces: https://codeforces\.com/profile/spidycoder

[View the original profile](https://tal.club/meet/aditya-kumar-30)

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