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Hi, I’m Pintoo Kumar Singh. I’m a backend-focused tech lead with a passion for building scalable crypto and fintech platforms. I design and implement high-throughput microservices, data pipelines, and secure cloud deployments, with hands-on experience across Node.js, AWS, Docker, Kubernetes, and blockchain integrations. Over the years, I’ve mentored engineers, led cross-functional teams, and delivered production-ready features ahead of schedule while upholding clean architecture and code quality. I’m always eager to learn new technologies and collaborate with remote teams to drive performance, security, and business impact.…Hi, I’m Pintoo Kumar Singh. I’m a backend-focused tech lead with a passion for building scalable crypto and fintech platforms. I design and implement high-throughput microservices, data pipelines, and secure cloud deployments, with hands-on experience across Node.js, AWS, Docker, Kubernetes, and blockchain integrations. Over the years, I’ve mentored engineers, led cross-functional teams, and delivered production-ready features ahead of schedule while upholding clean architecture and code quality. I’m always eager to learn new technologies and collaborate with remote teams to drive performance, security, and business impact.

Pintoo Kumar Singh

Back-End Developer, Full Stack Developer, Web Developer, +2

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Hi, I’m Pintoo Kumar Singh. I’m a backend-focused tech lead with a passion for building scalable crypto and fintech platforms. I design and implement high-throughput microservices, data pipelines, and secure cloud deployments, with hands-on experience across Node.js, AWS, Docker, Kubernetes, and blockchain integrations. Over the years, I’ve mentored engineers, led cross-functional teams, and delivered production-ready features ahead of schedule while upholding clean architecture and code quality. I’m always eager to learn new technologies and collaborate with remote teams to drive performance, security, and business impact.…Hi, I’m Pintoo Kumar Singh. I’m a backend-focused tech lead with a passion for building scalable crypto and fintech platforms. I design and implement high-throughput microservices, data pipelines, and secure cloud deployments, with hands-on experience across Node.js, AWS, Docker, Kubernetes, and blockchain integrations. Over the years, I’ve mentored engineers, led cross-functional teams, and delivered production-ready features ahead of schedule while upholding clean architecture and code quality. I’m always eager to learn new technologies and collaborate with remote teams to drive performance, security, and business impact.

Available to hire

Hi, I’m Pintoo Kumar Singh. I’m a backend-focused tech lead with a passion for building scalable crypto and fintech platforms. I design and implement high-throughput microservices, data pipelines, and secure cloud deployments, with hands-on experience across Node.js, AWS, Docker, Kubernetes, and blockchain integrations.

Over the years, I’ve mentored engineers, led cross-functional teams, and delivered production-ready features ahead of schedule while upholding clean architecture and code quality. I’m always eager to learn new technologies and collaborate with remote teams to drive performance, security, and business impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Hindi

Advanced

Work Experience

Tech Lead (Contract) at Lorvens Solutions Pvt. Ltd.

November 1, 2025 - February 1, 2026

Led end-to-end backend architecture for a crypto & fintech platform serving high-throughput blockchain workloads. Designed scalable microservices using Node.js, NestJS, and PostgreSQL. Built secure AWS CI/CD pipelines enabling automated production deployments. Integrated DeFi & cross-chain protocols including LI.FI and blockchain bridges. Developed real-time on-chain/off-chain data pipelines, improving analytics latency by 80%. Integrated CoinGecko market data for live crypto pricing & trading insights. Merged PRs, managed deployments, and mentored 4+ engineers, enforcing clean architecture & code quality standards. Delivered production-ready APK (Avvio) ahead of schedule.

Senior Software Engineer at Litmus World Marketing Technologies Pvt Ltd

March 1, 2024 - November 1, 2025

Developed and maintained scalable microservices REST APIs using Node.js, Express.js, Elastic, Kubernetes, Docker, Redis, Cron, and MongoDB. Containerized applications with Docker for consistent deployments. Integrated Elasticsearch for advanced searching across large datasets. Merged PRs, managed deployments, and used Jira to improve system functionality and productivity. Owned AWS-based CI/CD pipelines ensuring security and reliability. Mentored engineers, enforcing clean architecture and backend best practices.

Software Developer at Adapt Technologies & Consultancy Services India Pvt Ltd

September 1, 2022 - March 1, 2024

Created APIs according to client requirements and integrated them on the client side. Analyzed requirements and implemented API logic for new features. Merged PRs and managed deployments. Worked with Node.js, Express.js, .NET, C#, MongoDB, Azure, React, and Jira to improve system functionality and productivity.

Back-End Developer Trainee at FunctionUp.org

May 1, 2022 - September 1, 2022

Learned JavaScript, Node.js, Express.js, MongoDB, REST API development, and CRUD operations on NoSQL databases. Collaborated in teams, led project components in group projects, and gained experience in end-to-end backend development.

Software Developer Trainee at Networkjourney.com

November 1, 2021 - April 1, 2022

Collaborated on team projects, gaining exposure to backend development, teamwork, and project leadership while building foundational skills in programming and software delivery.