Pritam Kumar Singh

Software Engineering Leader / Developer

Senior Software Developer with 9+ years of experience building and scaling mobile and web applications from the ground up. Experienced in React, React Native, Next.js, Golang, Node.js, and modern system design, with a strong focus on performance, reliability, and clean architecture. Seeking to contribute as a hands-on engineer to build high-impact, user-centric products at scale while continuously growing in system design and distributed systems.

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Experience (9.5 Years)

Lead Engineer

Sep 2022 - Present

SaveIN Fintech Private Limited (Fintech Rising Star of the year 2023)

Gurgaon

  • Led the re-architecture of customer and merchant-facing mobile and web applications, improving scalability, reliability, and overall user experience; contributed to business growth from ₹3–4 crore to ~₹40 crore monthly loan disbursements.
  • Designed and built production-grade React Native and React applications using TypeScript, Redux, and modular component architecture, supporting high-traffic customer journeys.
  • Owned frontend system design, including state management patterns, API integration strategies, and performance optimization for complex flows such as onboarding and loan applications.
  • Collaborated closely with backend teams to define clean REST API contracts, handle edge cases, and ensure graceful error handling and data consistency.
  • Improved application performance through lazy loading, code splitting, render optimization, and API call reduction, ensuring stability across low-end devices.
  • Actively participated in production debugging, incident resolution, and release planning, ensuring high availability and smooth deployments.

Senior Software Developer

Apr 2021 - Aug 2022

Digichal Consultancy Private Limited

Gurgaon

  • Built DigiChal's product ecosystem from the ground up: including the flagship shopkeeper mobile app and a customer-facing web portal, onboarded 5,000+ vendors and achieved 10K+ app downloads within the first 6 months.
  • Delivered high-performance, scalable applications: by optimizing API architecture, enhancing load speeds, and ensuring a seamless user experience across mobile and web platforms, resulting in 10K+ app downloads and strong adoption.

Senior Software Developer

Aug 2019 - Mar 2021

Pidge (Silicon India Spotlight Award 2022)

Gurgaon

  • Developed and launched: customer- and rider-facing mobile applications with real-time order tracking and delivery capabilities, driving 100K+ downloads and improving delivery efficiency.
  • Built and optimized: internal web applications and the company's marketing website, enhancing UI/UX and improving site performance through code optimization, caching strategies, and responsive design.

Frontend Developer

Aug 2017 - Jul 2019

Binbill Service Private Limited

Gurgaon

  • Led development: of mobile applications for bill tracking and shopkeeper sales management, reducing manual billing processes by 40% and increasing merchant engagement by 30%.
  • Automated internal processes: via custom web applications and maintained customer-facing websites, implementing promotional strategies that improved user retention and conversion rates.

Frontend Developer

Jul 2016 - Jul 2017

Creative Appography Research Labs Private Limited

New Delhi

  • Developed and maintained: responsive, secure web applications for fantasy sports leagues and government fund management, ensuring cross-device compatibility and data protection.
  • Built a full-featured e-commerce platform: for online wire and cable sales, improving checkout flow and boosting conversion rates by 20% within the first quarter after launch.

Education

Bachelor of Engineering - Computer Science and Technology

July 2012 - June 2016

Birla Institute of Technology, Mesra

Jharkhand

CGPA: 7.2

Technical Skills

Languages & Databases

JavaScriptTypeScriptGoCC++HTMLCSSMongoDBMySQL

Frameworks & Libraries

ReactJSReact NativeNodeJSExpressAngular(2+)NextJSBootstrapMaterial UITailwindCSSAnt Design

Tools

GitBitbucketPostmanFigmaJiraTrello

Platforms

AWSDockerFirebaseHerokuNetlifyVercelDigital Ocean

Other Skills

Technical Leadership & Team MentoringSystem Design & ArchitectureCode Quality & Best PracticesAgile/Scrum MethodologiesStrategic Planning & Execution

Honors and Awards

Best Techie Award

SaveIN (2023)

For outstanding contributions to technology and innovation.

Best Employee Award

Pidge (2020)

For exceptional technical expertise and leadership.

Google Code Jam 2014

Qualified

Qualified in this prestigious global coding competition.

1st Place - WriteACode

IEEE 2014

Competitive programming event.

3rd Place - ACM Chapter

BIT Mesra (2013–14)

Weekly coding competition.

Get In Touch

I'm always open to discussing new opportunities, interesting projects, or just having a chat.