Headline

Information Technology student at Netaji Subhash University of Technology (formerly NSIT)

About

Senior Backend Software Engineer with 5+ years of experience designing and delivering scalable distributed systems using Java, Spring Boot, and Node.js. Specialized in microservices architecture, system design (HLD/LLD), event-driven systems (Kafka), and RESTful API design. Proven experience building fault-tolerant, high-availability systems with Redis caching, Resilience4j circuit breakers, distributed tracing, and cloud integrations (AWS, Azure). Hands-on with multi-tenant SaaS platforms, API gateway design, rate limiting, and full observability stacks (Prometheus, Grafana, Zipkin). Strong background in SAP integrations, data lake analytics (AWS Athena), and CI/CD pipelines (Jenkins, Nexus). Mentored junior engineers and driven cross-team architectural decisions on platforms managing INR 5B+ in business value. Open to Senior Software Engineer / SDE-2 / Lead Engineer roles in product companies, MNCs, and fintech firms across India.

Location

Gurugram

AI stack

claude code

codex

cursor

langchain

langgraph

openai

Work experience

Module Lead at Q3 Technologies (Q3 Infotech Pvt Ltd), Jun 2025 - Present · 1 y 4 mo, Gurugram, Java, Spring Boot, Node.js, Microservices, AWS, Redis, Kafka, React.js Module lead with 5+ years of experience owning the design and delivery of scalable distributed systems using Java, Spring Boot and Node.js. Specialized in system design (HLD/LLD), microservices architecture, event-driven systems, and RESTful API design. Proven track record of delivering low-latency, fault-tolerant systems (99.9% uptime SLA) with clear architectural ownership and cross-team execution Architected schema-per-tenant multi-tenancy with automated provisioning and a serverless AWS ETL pipeline (Lambda, Glue/PySpark, Step Functions) ingesting data from 15+ security tools. Mentored code reviews, design walkthroughs, JPA, and microservice pair programming.

Senior Software Engineer at Q3 Technologies, Jun 2021 - Present · 5 y 4 mo, Gurugram, Haryana, India, Java, Spring Boot, Microservices, Redis, Kafka, React.js Led backend design (HLD/LLD) for a Capex Cockpit Platform managing capital expenditure of INR 5B+ across 20+ locations and 10,000+ users. Configured Resilience4j circuit breakers and bulkheads to prevent cascading failures, engineered a Redis cache-aside layer cutting DB load by 40%, and architected a Kafka-based event pipeline reducing notification failures by 25-30%. Implemented 2-tier sliding-window rate limiting (per-IP and per-user) at the API gateway layer, reducing abuse-related incidents by 30%. Implemented cross-service observability with distributed tracing and MDC trace propagation, reducing incident diagnosis time by 60%.

Software Engineer at Q3 Technologies (Q3 Infotech Pvt Ltd), Jun 2022 - Jun 2024 · 2 y, Gurugram, Optimized REST APIs through JPA tuning, indexing, and HikariCP connection pool sizing, reducing p95 latency by 25-30% and increasing throughput by 40%. Redesigned grid aggregation across 12+ linked tables using CompletableFuture-based parallel fetching, cutting response time by 60-70%. Implemented stateless authentication and authorization using Spring Security, JWT, and RBAC with server-side token revocation. Built a hybrid local/Azure Blob storage layer delivering 99.9% upload reliability, and engineered a low-latency, paginated Global Search System using Microsoft Graph API, reducing search time by 50-60%. Built multi-source data ingestion pipelines (LinkedIn, SAP, SFTP) with scheduled background sync, saving 50+ hours/month. Architected a reusable DMS/Intranet template (60+ modules) that cut delivery time by 70% and drove new business across 10+ clients - including supporting pre-sales efforts through technical demos and solution walkthroughs for prospective clients - adjust this to what you actually did.

Junior software engineer at Q3 Technologies (Q3 Infotech Pvt Ltd), Jun 2021 - Jun 2022 · 1 y, Gurugram, Built workflow automation and multi-level approval systems that reduced manual operations by 40%. Developed reusable React components and backend CRUD APIs, along with export/import utilities, cutting data handling errors by 20-25%.

Education

Bachelor of Engineering - BE, Information Technology, Netaji Subhas Institute of Technology

Public links

github: https://github.com/shivam14jain14

leetcode: https://leetcode.com/sj654862

shivam14jain14.github.io: https://shivam14jain14.github.io/Portfolio/#