Utkarsh Singh

Software Engineer

Delhi, India2 yrs experience

Most Likely To Switch

Key Highlights

Expert in optimizing fintech applications for millions of users.
Proven track record of improving application performance by 25-35%.
Passionate about clean architecture and developer experience.

Stackforce AI infers this person is a Full-Stack Software Engineer specializing in Fintech with a focus on performance optimization.

Contact

Skills

Core Skills

ReactJavascript

Other Skills

AWS LambdaAPI integrationsPre-renderingCachingNode.jsSystems DesignSQLTailwind CSSCascading Style Sheets (CSS)Public SpeakingFigma (Software)Financial AnalysisData AnalysisJavaPresentations

About

Full-stack software engineer specializing in building and optimizing large-scale fintech products serving millions of users. Skilled in React, Node.js, AWS Lambda, and modern JavaScript frameworks, with a proven ability to improve application performance, scalability, and developer efficiency. I’ve contributed to high-traffic user-facing features and backend integrations, driving measurable improvements such as 25–35% faster load times, enhanced component reusability, and stronger system reliability. I thrive in fast-paced, high-impact environments, bridging the gap between technical execution and business goals, and delivering solutions that are both user-focused and maintainable at scale. Passionate about clean architecture, performance optimization, and developer experience, I enjoy collaborating across teams to deliver products that leave a lasting impact.

Experience

2 yrs

Total Experience

1 yr 2 mos

Average Tenure

1 yr 3 mos

Current Experience

Paytm

2 roles

Software Engineer

Jun 2025 – Present · 10 mos · On-site

Contributing to large-scale fintech platforms used by millions daily, with a focus on improving UI performance, scalability, and consistency across multiple applications. Leading frontend architecture for mini-apps using React, AWS Lambda, and modern JavaScript frameworks, optimizing load times by 25–30% through caching, layout refinements, and rendering strategies. Driving enhancements in component reusability, accessibility, and developer workflows, ensuring that new features are both high-performing and maintainable at scale.

ReactAWS LambdaJavaScript

Intern

Jan 2025 – Jun 2025 · 5 mos · On-site

Worked on high-traffic fintech features including gamified engagement products reaching 30M+ hits/month. Improved time-to-interactive by 35% through advanced pre-rendering and caching strategies. Developed secure API integrations, implemented dynamic logic for campaign-based flows, and enhanced user engagement through responsive UI updates. Contributed to internal developer tools for automated performance audits and facilitated knowledge-sharing sessions to accelerate team productivity.

API integrationsPre-renderingCachingJavaScriptReact

Aws cloud club dtu

Co Captian

Apr 2024 – Jun 2025 · 1 yr 2 mos · Delhi, India

Yes foundation

Technical Support Engineer

Jul 2023 – Apr 2024 · 9 mos

Coordination of computer-equipped mobile vans for digital learning and skill development among more than 200+ economically disadvantaged students.
Engaged in productive partnerships with school administrators, and local
communities to secure support and active participation in the initiative.
Recognized by YES Foundation with a letter of recommendation for exceptional
dedication and impact in providing education to underprivileged students.