Devanshu SinghSoftware Engineer
Skills
Languages/Frameworks

Node.js, React.js, Next.js, Python, Java, PHP

Backend & Systems

REST APIs, WebSockets, Microservices, RabbitMQ, Redis, Queuing, Cron Jobs

Cloud & Infrastructure

GCP, AWS, Kubernetes, Docker, ArgoCD, Nginx, Linux, DNS, Self-hosting

Databases & Tools

MongoDB, MySQL, PostgreSQL, DynamoDB, Git, Jira, Bitbucket, Confluence, Cloudflare

Education
Bachelor of Computer Applications, Bharati Vidyapeeth⁠
2017 – 2020 | New Delhi, India
Interests
Vollyball, Badminton, Home-Lab, Gaming, DJing and Cafe hopping
References
Aman Rawat⁠, Vice President of Engineering, Trade Fantasy Games
9910273898
Yaagni Roalji⁠, Co-Founder & CTO, ZeroBalance
8320230074
About Me

Software engineer with startup and founding-engineer experience, focused on building products and production systems end-to-end. Experienced across backend, frontend, distributed systems, and cloud infrastructure, with hands-on ownership from product discovery and architecture through deployment and operations. Built and operated systems serving 1M+ users, led engineering teams, and worked extensively with Node.js, React, Kubernetes, Docker, AWS, GCP, Redis, MongoDB, MySQL, and event-driven architectures.

Professional Experience
Interactive Advertising Bureau (IAB), Software Engineer
August 2025
  • •Took ownership of production microservices across Java, React, GCP VMs, Cloud Run and Cloud Functions following a team transition.
  • •Led Java-to-Node.js migration across multiple microservices while maintaining existing functionality and integrations.
  • •Built a RAG-based AI chatbot using ~5,000 website pages and documentation from 40+ GitHub repositories.
  • •Integrated the AI assistant into the website and Slack, enabling seamless access across customer and internal workflows.
  • •Designed and deployed self-hosted Keycloak on GCP, implementing OpenID Connect-based centralized SSO.
  • •Built a React analytics dashboard for Zoom meetings to provide meeting insights and analytics.
    • Trade Fantasy Games⁠, Lead Developer
    December 2023 – June 2025 | New Delhi, India
  • •Engineered secure and scalable game logic for real-time transaction-based systems, similar to micro-payment architecture used in fintech platforms
  • •Led a team of developers, collaborating closely with testers, DevOps, and the Product Manager to ensure timely and high-quality releases.
  • •Designed and operated production systems supporting a ₹10 crore contest with 1M+ users, maintaining reliability and a seamless real-time user experience under high load.
  • •Owned production infrastructure across GCP, Kubernetes, Nginx and load balancers, including deployment, scaling, high availability and development/production environments.
  • •Redesigned MySQL, MongoDB and Redis data access patterns using indexing, caching and MongoDB read/write replicas, reducing query response times by 60%.
  • •Designed and implemented event-driven services using RabbitMQ for asynchronous processing, improving reliability and decoupling latency-sensitive workloads.
  • •Independently built a multiplayer card game using Socket.IO, demonstrating proficiency in real-time application development
    • Zerobalance⁠, Founding Engineer (MERN)
    June 2022 – December 2023 | Ahemdabad, India
  • •Set up Infra for our product.
  • •Owned development of product MVPs, translating requirements into user flows, APIs, technical designs and production implementations.
  • •Built production integrations and platform capabilities including third-party APIs, WebSockets, Redis, rate limiting, scheduled jobs, analytics and notifications.
  • •Launched GoldPe, a second product, from development to production in 40 days, owning feature design, API development, integrations and production releases.