Noida, India · Available for select opportunities
Aman Kumar Singh
Team Lead & Senior Software Engineer in Noida, India. I build scalable full-stack applications with React, Next.js, Node.js, NestJS and microservices — 6+ years leading teams and shipping products that perform.
- 6+
- Years experience
- 15+
- Apps delivered
- 50k+
- Users served
● Team Lead
Aman Kumar Singh is a results-driven Team Lead and Senior Software Engineer based in Noida, India, with 6+ years of software development experience. He specializes in JavaScript, TypeScript, React.js, Next.js, Node.js, NestJS, and microservices architecture. Aman has led cross-functional teams of 5–10 developers and delivered 15+ scalable full-stack applications, including advanced financial-management and insurance platforms, while driving performance-optimization initiatives that improved system efficiency by up to 40%.
What I do
Currently a Team Lead at JellyFish Technologies in Noida, Aman Kumar Singh (also known as Aman Singh or Aman K Singh) partners with product managers, designers, and stakeholders to turn complex requirements into reliable, production-grade software. He is equally comfortable architecting a distributed backend, tuning a slow database query, building a pixel-perfect React interface, or mentoring a junior engineer through their first system-design review. His work spans the full software lifecycle — planning, architecture, implementation, testing, deployment, and long-term maintenance — with a consistent focus on performance, security, and clean, maintainable code.
Full-Stack Web Development
Aman Kumar Singh designs and builds complete web applications end to end — from responsive, accessible React and Next.js interfaces to robust Node.js and NestJS REST APIs. Over 6+ years he has shipped 15+ production applications, including financial and insurance platforms serving tens of thousands of users, always with a focus on performance, security, and long-term maintainability.
Backend & System Architecture
As a backend and systems specialist, Aman architects scalable microservices using Node.js, NestJS, PostgreSQL, MySQL, MongoDB, and Redis, with secure OAuth-based authentication, payment-gateway integrations, and reliable AWS deployments using Docker, Kubernetes, and SQS. He has reduced API response times by up to 40% and kept mission-critical systems running at 99.5% uptime.
Technical Leadership & Mentoring
As a Team Lead in Noida, Aman leads cross-functional teams of 5–10 engineers, runs Agile and Scrum ceremonies, sets coding standards, and mentors developers through structured code reviews and pair programming. His teams consistently deliver enterprise software with a 95% on-time delivery rate while improving code quality and reducing defects.
Skills & technologies
A full-stack toolkit spanning frontend, backend, databases, and cloud — the stack behind six years of shipping production software.
Frontend
- React.js
- Next.js
- JavaScript (ES6+)
- TypeScript
- HTML5
- CSS3
Backend
- Node.js
- NestJS
- REST APIs
- Web API
- Microservices
- MVC
- OAuth
Databases
- PostgreSQL
- MySQL
- MongoDB
- Redis
- SQL
DevOps & Cloud
- AWS
- AWS SQS
- Docker
- Kubernetes
- CI/CD
Ways of working
- Agile
- Scrum
- Code Review
- System Design
- Mentoring
- Payment Integrations
Knowledge hub
Writing, guides & tools
I write in depth about backend engineering, system design, and building scalable full-stack software — organized into topic guides, with a set of free developer tools alongside.
Browse by topicNode.jsNestJSTypeScriptReactNext.jsPostgreSQLDatabasesRedisSystem DesignSecurityDevOps & AWSInterview & Career
Experience
From Software Developer to Team Lead — a progression built on shipping reliable software and growing the teams around me.
Team Lead · JellyFish Technologies
May 2025 – Present
- Spearhead a team of 8+ developers, delivering enterprise-level software with a 95% on-time delivery rate.
- Architect and implement scalable microservices, improving system performance by 35%.
- Serve as the primary technical liaison between project management, stakeholders, and clients.
- Establish and enforce coding standards and best practices, reducing code defects by 25%.
- Mentor 5+ junior developers through structured code reviews and pair programming.
- Drive Agile ceremonies: sprint planning, daily standups, and retrospectives.
Associate Team Lead · JellyFish Technologies
May 2023 – May 2025
- Led Agile ceremonies for a team of 4 developers, increasing sprint velocity by 20%.
- Developed and maintained 10+ full-stack applications with React.js, Node.js, and TypeScript.
- Contributed to architecture decisions for a financial-management platform serving 50,000+ users.
- Implemented comprehensive code-review processes, improving code-quality scores by 30%.
- Delivered an insurance platform handling ₹10Cr+ in transactions annually.
Senior Software Engineer · JellyFish Technologies
August 2020 – May 2023
- Developed and deployed 3+ high-profile client applications with 100% on-time delivery.
- Optimized system performance, reducing API response times by 40%.
- Collaborated with QA to resolve 200+ issues, maintaining 99.5% uptime.
- Implemented RESTful APIs and microservices for scalable backend solutions.
- Participated in technical interviews, contributing to the hiring of 10+ engineers.
Software Developer · Eigen Technologies
June 2019 – August 2020
- Built robust backend solutions using Node.js and MySQL for 2+ applications.
- Collaborated with cross-functional teams to define and deliver project specifications on schedule.
- Established coding best practices through active participation in code reviews.
- Improved documentation standards, reducing new-developer onboarding time by 25%.
Featured projects
A selection of platforms and products I've built and led — from enterprise systems to custom business software.
Jewellery Business Software
Custom jewellery retail & inventory management software.
Custom software designed and developed for a jewellery retail business. The platform streamlines inventory, billing, and day-to-day operations for the jewellery store, replacing manual processes with a fast, reliable digital workflow.
- React.js
- Node.js
- REST APIs
- MySQL
- TypeScript
Financial Management Platform
Full-stack financial platform serving 50,000+ users.
Contributed to the architecture and delivery of an advanced financial-management platform serving 50,000+ users, using React.js, Node.js, and TypeScript within a microservices architecture.
- React.js
- Node.js
- TypeScript
- Microservices
- AWS
Insurance Platform
Insurance platform handling ₹10Cr+ in transactions annually.
Collaborated with cross-functional teams to deliver an insurance platform processing ₹10Cr+ in transactions annually, with secure payment integrations and RESTful microservices.
- Node.js
- NestJS
- PostgreSQL
- Redis
- AWS SQS
Frequently asked questions
Quick answers about Aman Kumar Singh — who he is, what he builds, and how to get in touch.
Who is Aman Singh?
Aman Singh (full name Aman Kumar Singh) is a Team Lead and Senior Software Engineer based in Noida, India, with 6+ years of experience building scalable full-stack applications using React.js, Next.js, Node.js, NestJS, and microservices architecture.
Is Aman Singh a software engineer in Noida?
Yes. Aman Kumar Singh is a software engineer and Team Lead based in Noida, India. He currently leads a team of developers at JellyFish Technologies, delivering enterprise-grade web applications.
What technologies does Aman Kumar Singh work with?
Aman Kumar Singh specializes in JavaScript, TypeScript, React.js, Next.js, Node.js, and NestJS on the frontend and backend, along with microservices, REST APIs, PostgreSQL, MySQL, MongoDB, Redis, AWS, Docker, and Kubernetes.
What is Vowerole and how is it related to Aman Singh?
Vowerole (vowerole.com, vowerole.in, and vowerole.co.in) is a software venture owned by Aman Kumar Singh, the Team Lead and software engineer based in Noida, India. If you searched for “Vowerole” or “Aman Vowerole”, it is Aman’s own brand and set of websites.
How can I contact Aman Singh?
You can reach Aman Kumar Singh through the contact page on this website or by connecting on LinkedIn at linkedin.com/in/amansingh1597.
How many years of experience does Aman Singh have?
Aman Kumar Singh has 6+ years (6 years 7 months) of professional software development experience, progressing from Software Developer to Senior Software Engineer to Team Lead.
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Let's work together
Whether it's a full-stack build, a technical lead role, or custom software for your business — I'd love to hear from you. Based in Noida, India, working with teams worldwide.