A senior engineer who treats reliability as a luxury — precise, unhurried, and built to last.
I build the invisible architecture behind products people trust at scale.
Software Engineer with 4+ years of experience specializing in scalable backend systems, cloud platforms, large-scale distributed architectures, microservices, and AI-driven development. Proven expertise in building high-performance APIs, driving user engagement, and optimizing systems for millions of users globally. Passionate about leveraging cutting-edge technologies to solve complex problems and deliver impactful solutions.
Dossier
Est. 2021
AJ
Bangalore, India
2023 —
Unacademy
Senior Software Engineer
2021 — 23
Slice
Software Engineer
2021
Bright Money
Software Engineer
Focus
Backend · Cloud · AI
Now
Unacademy
Craft
Latency · Reliability
Mode
Remote-friendly
From fintech rails to live AI classrooms — ownership, latency, and systems that stay up.
Languages, platforms, and infrastructure I use to keep systems calm under pressure.
Go
Java
Python
Docker
AWS
MySQL
Git
MongoDB
PostgreSQL
Nginx
Not a gallery of everything — only the systems that changed how people learn, buy, and pay.
Senior Backend Engineer
Built scalable backend services for Airlearn, a language learning platform leveraging AI for interactive lessons and real-time feedback. Developed RESTful APIs, integrated AI models for personalized learning paths, and optimized performance to handle thousands of concurrent users. Implemented robust data storage solutions and ensured high availability using cloud infrastructure.
Backend Engineer
Developed the backend for Galleria, an e-commerce platform specializing in art and collectibles. Designed and implemented RESTful APIs for product management, user authentication, and order processing. Integrated payment gateways and optimized database queries to ensure fast load times and a seamless shopping experience. Utilized Docker for containerization and deployed services on AWS for scalability.
A few marks that matter — not vanity, just the shape of the work so far.
7700+
A quiet, growing circle of engineers and builders.
60+
Open experiments, production patterns, and practice.
2000+
LeetCode Guardian. Contest instinct, kept sharp.
A measured academic path — strong fundamentals, then the long practice of building.
Guardian on LeetCode. Expert on Codeforces. The practice that keeps systems thinking sharp.
LeetCodeGuardian
Contest rating
2204
Global 6,813 / 809,188 · Top 0.89%
Problems
880+
Community
4.3K
25+ solutions · 4,300+ views
Promotions, platforms, and the quiet work of taking something from zero to millions.
2022
Promoted from SDE Intern to full-time Software Engineer after successfully delivering key projects and demonstrating strong technical skills and teamwork.
Promotion: Intern → Engineer
2023
Designed and launched a UPI payments integration handling 50K+ transactions daily with 99.9% uptime and seamless user experience.
Payments platform launch
2024
Recognized for leadership and technical excellence, leading to promotion to Senior Software Engineer within 1 year of joining the company.
Promotion: Senior SWE
2025
Architected and scaled Airlearn backend to support millions of users, implementing low-latency APIs, real-time features, and robust infrastructure.
Scaling to millions
2026
Taking on leadership roles across various projects while continuously exploring and integrating new technologies to drive innovation and efficiency.
Tech leadership & innovation
A handful of certificates — useful as receipts, never as a substitute for shipped work.
Mentors, leads, and teammates — the people who saw the work up close.
Read on LinkedIn6
Recommendations
Written in public
Nikhil Chauhan
Software Engineer (DevOps) · Airlearn · Unacademy · AWS · Kubernetes · Terraform
November 20, 2025
“I worked closely with Abhishek and he consistently impressed me with his technical depth and ownership. He grasps system-level challenges quickly, partners seamlessly with DevOps to deliver stable, scalable solutions, communicates clearly, reviews thoughtfully, and stays calm under pressure. Supportive, reliable, and a great teammate—I strongly recommend him.”
Worked with Abhishek on the same team
Prateek Jakhar
Software Developer · Golang · Node.js · AWS
November 19, 2025
“Abhishek was the senior engineer on my team and I learned a lot from his guidance. He is skilled, reliable, and focused on high-quality delivery, quickly understanding complex problems and finding practical solutions. He explains clearly, shares knowledge, and his code quality plus careful reviews noticeably improved our project—calm under pressure and a valuable addition to any team.”
Worked with Abhishek on the same team
Rohit Shaw
Software Engineer · React.js · Scalable Web Applications
November 19, 2025
“I feel lucky I got to work with Abhishek. He is very knowledgeable, always gives 100%, guides with patience, supports the team, and constantly encourages others to improve. He is a great teammate and an even better person—I genuinely recommend him.”
Worked with Abhishek on the same team
Rahul Gupta
Android Engineering Lead · Airlearn · Unacademy
November 8, 2025
“Working with Abhishek has been fantastic—one of the most talented and dedicated backend engineers I have worked with. His deep understanding of backend systems, AI-driven solutions, and distributed system design stands out; he solves complex problems efficiently, takes full ownership, collaborates seamlessly, and consistently delivers high-quality, scalable solutions.”
Senior to Abhishek (not direct manager)
Saksham Garg
Lead Software Engineer · LambdaTest · Ex-Zetwerk
June 22, 2023
“I worked with Abhishek. He is hard-working, dedicated, and shows a strong sense of responsibility—handling multiple tasks simultaneously with a solid grasp of technical concepts.”
Worked with Abhishek on different teams
Abhishek Kumar
Software Engineer · Google
Mentor at Bright Money
“I mentored Abhishek at Bright Money for over two months and saw his ability to learn from people and tackle challenging problems. He has clear potential to grow into a great software engineer and would be a strong addition to any team.”
Mentor to Abhishek for 2+ months
These are the notes colleagues left in public. Open the profile for the full thread.
Worlds, systems, and the joy of getting better.
New cities, slower days, wider eyes.
Side streets, local food, unplanned turns.
Light, faces, and the quiet in between.
A quieter reading of skills, growth, and where the hours have gone.
20+
Projects
95%
Avg. proficiency
3
Core languages
4+
Years
Collaborations, roles, or a precise question. I usually reply within a day.
