Shubham Upadhyay
Senior Software Engineer & Backend Architect with 8+ years of production experience. I spend most of my time figuring out how to make backend systems faster, resilient, and easier to operate—from multi-tenant platforms serving 50k+ daily users to developer tools that diagnose slow queries in development. Creator of ShubhamLabs.
Backend architecture, systems design & collaboration.
Engineering backend infrastructure that stays simple under pressure
An in-depth look into my technical background, architectural trade-offs, and how I approach performance, state management, and developer tooling in production.
Shubham Upadhyay
Senior Software Engineer • Backend Architect • India
Background & Focus: I build backend systems, developer tools, and data architectures that solve difficult operational problems. Over 8+ years, I’ve worked across APIs, databases, distributed workflows, and developer tooling—from platforms serving 50k+ daily users to small tools that eliminate painful engineering bottlenecks.
In enterprise environments, my focus centers on eliminating race conditions in multi-stage approval workflows, optimizing slow MySQL queries, and designing APIs that remain predictable under traffic surges.
I value pragmatic simplicity over artificial architectural complexity. The best systems are delightfully resilient: explicit boundaries, defensive validation, predictable query plans, and zero unhandled panic states.
Beyond day-to-day engineering, I run ShubhamLabs—an independent initiative where I build open-source developer utilities, database diagnostics, and systems software used by developers globally.
High-Concurrency APIs
Designed 500+ secure REST endpoints with JWT authorization, idempotent requests, and webhook dispatchers (Razorpay, Shopify, BigCommerce). Built with strict rate-limiting and defensive validation to prevent cascading downstream failures.
MySQL & Query Optimization
Deep EXPLAIN ANALYZE execution profiling, composite B-Tree indexing, and lock contention elimination—dropping heavy enterprise report query latency from ~1.8s down to <320ms.
Distributed State Machines
Architected deterministic approval state machines and asynchronous queue workers, eliminating race conditions and double-execution across high-volume payroll, leave, and visa processing pipelines.
Engineering At-a-Glance
Some things
I've worked on
Developer utilities, distributed systems, and backend infrastructure built to solve concrete engineering headaches.
My professional
journey
Where I've contributed over the past 8+ years—the engineering trade-offs navigated, constraints tackled, and production systems shipped.
Senior Software Developer
Ascent HR Technologies Private Limited • Bengaluru
Senior backend developer on StoHRM, serving 50k+ daily users across enterprise clients. Architected core Attendance, Regularization, and Leave approval engines; engineered 25+ high-throughput REST APIs for web and mobile clients, focusing on query optimization and zero-downtime database migrations under continuous production traffic.
Senior Web Developer & Associate
TTK Services Private Limited • Bengaluru
Architected the Links CRM workflow engine for mission-critical visa and consular tracking across multi-stage verification checkpoints. Built asynchronous background workers and idempotent Razorpay payment webhooks to handle high-value transactions with zero duplicate charges.
PHP Web Developer
LetUsCode Systems Pvt. Ltd. • Jaipur
Built the quote-to-order manufacturing backend for custom CNC fabrication. Integrated Shopify and BigCommerce APIs with real-time status webhooks, automating order flow into internal ERP and production scheduling pipelines.
Web Developer
InfoTech Enterprises • New Delhi
Engineered custom MIS business portals and automated batch database synchronization routines. Established relational schema normalization and indexing practices that eliminated table-lock bottlenecks across legacy reporting queries.
Resilient by design. Proven in production.
“I believe the best backend systems are delightfully boring: zero unhandled panic states, predictable query latency, observable data pipelines, and clean architectural boundaries that let engineering organizations scale without 2 AM production firefighting.”
Have an engineering challenge or project in mind?
Whether you're tackling database bottlenecks, high-throughput APIs, or system architecture—let's connect.