Kunal Sahu

Full Stack Engineer

Bengaluru, Karnataka, India2 yrs 9 mos experience

Key Highlights

3 years of full stack development experience.
Expert in building high-performance web applications.
Proven track record in optimizing application performance.

Stackforce AI infers this person is a Full Stack Developer with expertise in Healthcare SaaS applications.

Contact

Skills

Core Skills

Node.jsReact

Other Skills

Next.jsPostgreSQLAWSWebGLLexicalViteAmazon Web Services (AWS)WebpackRedux.jsJestLexiconTesting ToolsBack-End Web Development3D RenderingVitek

About

With 3 years of experience in full stack development, I specialize in creating robust web applications using modern technologies like React, Next.js and Node.js. I've successfully worked on projects ranging from B2B, B2C e-commerce platforms to SaaS applications, always focusing on clean code, optimal performance, and seamless user experience. My technical toolkit includes: Frontend (React, Next.js, JavaScript/TypeScript, HTML5, CSS3), Backend (Node.js, Express, RESTful APIs), Databases (PostgreSQL, MongoDB).

Experience

2 yrs 9 mos

Total Experience

2 yrs 5 mos

Average Tenure

4 mos

Current Experience

Outflo.io

Full Stack Developer

Feb 2026 – Present · 4 mos · Bengaluru

Localwell®

2 roles

Software Development Engineer

Aug 2023 – Jan 2026 · 2 yrs 5 mos

Built a fast, SEO-optimized medicine marketplace using Node.js, Next.js, React and Zustand, achieving 2-second load time and Lighthouse score of 94.
Fixed PostgreSQL database crashes and optimized queries, eliminating daily downtime incidents, reduced AWS costs by 20%.
Designed and Built backend subscription and authentication module, designing PostgreSQL schemas and writing optimized queries.
Optimized React Native app performance by reducing startup time from 900ms to 550ms, increasing FPS from 45 to 60, and cutting native heap usage from 250MB to 110MB through code splitting and lazy loading.
Built reusable React libraries with virtualized tables and optimized rendering, improving performance and developer productivity.
Integrated Google ML Kit and React Native VisionCamera to extract medicine information from prescription images, streamlining data entry.

Node.jsNext.jsReactPostgreSQLAWS

SDE Intern

Apr 2023 – Jul 2023 · 3 mos

Collaborated with designers to translate Figma prototypes into production-ready, scalable components following React best practices and company coding standards
Implemented responsive layouts using modern CSS techniques (Flexbox, Grid) and ensured consistent user experience across devices.