Software System Design & Optimization
Experienced in building and improving complex software systems to enhance performance and reliability.
Start with the bottleneck
Senior Engineer II
Senior Engineer II with 8+ years of experience building scalable, high-availability backend systems across fintech and aviation domains. Specialized in cloud-native architecture, distributed systems, and microservices using Node.js, TypeScript, Haskell, and PureScript. Proven track record of optimizing system performance, reducing latency by up to 90%, and architecting mission-critical infrastructure serving millions of users.
8+ years
in production
Point of view
The through-line is simple: make complex systems easier to operate.
8+
01years in production
backend systems since 2018
90%
02latency removed
Juspay payout processing
75%+
03launch success
AirFi captive portals
The through-line
Senior Engineer II My work spans the systems behind fast payments and in-flight connectivity, where latency, availability, and failure behavior matter more than novelty.
Work History
Senior Engineer II
Associate Lead Engineer
Senior Software Engineer
Software Developer
Tooling
The languages, frameworks, and platforms I reach for when the system has to hold.
Databases
Specializations
Working together
Architecture, code review, and performance work for teams shipping critical paths.
Experienced in building and improving complex software systems to enhance performance and reliability.
Start with the bottleneck
Skilled in developing fast, secure payment backends and integrating with banks and payment providers.
Creator of various tech tools and bots, contributing to open-source and automation projects.
Social proof
A few words from people who have seen the systems up close.
Selected note
I had the privilege of working with Shubham during our time at AirFi, and I can confidently say he is one of those rare professionals who consistently uplifts the entire team. Whenever support was needed, he was always the first to step in - dependable, proactive, and genuinely invested in team success. What sets him apart is his inquisitive nature and constant drive for new challenges. For him, routine is never enough; he thrives in dynamic environments where he can explore, learn, and contribute beyond expectations. This is evident in his strong and versatile technical skill set, which spans a vast subset. He has a natural ability to quickly grasp new technologies and apply them effectively, often becoming the go-to person for guidance. Beyond his technical acumen, Shubham embodies the qualities of a true team player. He brings enthusiasm, positivity, and humility to every interaction. Whether it’s high-level design work or routine tasks, he never says no and gives his best with the same zeal. His willingness to handle even the so-called 'grunt work' reflects not only his dedication but also his understanding of what it takes to deliver as a team. In addition, he demonstrates strong problem-solving skills, excellent collaboration, and adaptability under pressure. He is dependable, detail-oriented, and has the rare quality of combining technical brilliance with a people-first mindset. Any team would be fortunate to have him - not just as a developer, but as someone who can help build a positive, collaborative, and high-performance culture. I wholeheartedly recommend Shubham and am confident that he will excel in any role or challenge he chooses to take on.
Director of Technology · Sep 2025
More notes
Credentials
Formal training that supports the practical work.
Start a conversation
Start with the bottleneck, the trade-off, or the idea you want to pressure-test.
Direct channels
As a seasoned software engineer, I excel in optimizing intricate systems, transforming payment applications, and elevating user experiences with inventive solutions. Let's collaborate to drive your projects forward.