Resume

Software Developer with 10+ months of experience building scalable web applications using MERN Stack, Next.js, and Python. Skilled in React, TypeScript, REST APIs, JWT authentication, and database optimization. Passionate about delivering clean, performant, and user-friendly solutions.

mldangelo.combalakrishnan.rs411@gmail.comgithub.com/mldangelo

Experience

to Present

Samvridhi Shigra Pvt LtdSoftware Developer

Full-stack developer specializing in building and maintaining production-grade web and mobile applications using modern frontend frameworks, backend services, databases, and cloud platforms.
  • Developed and maintained production-grade applications across multiple business domains, collaborating with cross-functional teams to deliver scalable, reliable, and maintainable software solutions.
  • Built modern web applications using React.js, Next.js, TypeScript, JavaScript, Redux Toolkit, Context API, Tailwind CSS, and responsive UI development practices.
  • Developed backend services and REST APIs using Node.js, Express.js, NestJS, and Python, integrating frontend applications with scalable backend systems.
  • Worked with PostgreSQL, MySQL, and MongoDB, including database schema design, query optimization, indexing, and aggregation pipeline improvements.
  • Optimized database queries and aggregation pipelines, achieving a 35% reduction in API response times for optimized production services.
  • Implemented secure authentication workflows using JWT authentication, refresh-token rotation, and secure cookie handling.
  • Developed reusable frontend components and application architectures using React.js, Next.js, Redux Toolkit, and Context API to improve maintainability and consistency.
  • Built SEO-focused Next.js applications using server-side rendering, optimized content delivery, responsive interfaces, and performance-focused development practices.
  • Developed mobile applications using React Native and Flutter as part of full-stack and mobile development workflows.
  • Worked with Git and GitHub using feature-branch workflows, pull requests, code reviews, and collaborative development practices.
  • Managed production deployments and application maintenance using Vercel, Netlify, and Render, including CI/CD workflows for reliable production releases.
  • Collaborated with cross-functional teams to analyze requirements, troubleshoot production issues, implement new features, and continuously improve application performance and reliability.

Projects

Enterprise Restaurant Management Suite

MERN StackReduxSCSSVercelRazorpay
  • Developed a comprehensive QR-based ordering system integrated with a real-time Kitchen Display System (KDS), supporting 50+ concurrent tables without latency.
  • Engineered complex cart state management using Redux and integrated the Razorpay payment gateway for secure, seamless transaction processing.
  • Deployed the scalable backend on Vercel with automated CI/CD, significantly reducing deployment overhead.

Healthcare Mobile Application with Teleconsultation

React NativeNode.jsMySQLExpress.js
  • Built a cross-platform React Native mobile application connecting patients with a network of 100+ doctors across 50 partner hospitals.
  • Designed and normalized complex relational schemas in MySQL for appointment scheduling, patient records, and token-based payment logic.
  • Increased user retention by 25% by integrating an AI-driven symptom checker module and a personalized health news feed.

Intern Management & Payment Platform

Next.jsNode.jsExpress.jsMongoDB
  • Designed and developed a full-stack internship platform for a client, enabling efficient intern tracking, payment processing, and performance visualization via an interactive leaderboard.
  • Built the backend using Node.js and Express.js with MongoDB for flexible data storage, implementing secure user authentication and payment processing.
  • Developed a dynamic Next.js admin dashboard with separate user and admin interfaces, enabling comprehensive internship management and monitoring.
  • Integrated JWT authentication with rotating refresh token mechanism to ensure high-level security and persistent user sessions.
  • Implemented media storage and delivery using Cloudinary for image optimization and Cloudflare R2 for scalable object storage.
  • Deployed the application on Vercel, ensuring scalable and reliable infrastructure with automated deployments.

Developer Portfolio & Technical Blog

Next.jsApp RouterMarkdownTailwind CSSVercel
  • Designed and deployed a high-performance personal portfolio with dynamic content rendering using the Next.js App Router.
  • Achieved a near-perfect Google Lighthouse Score of 95+ through Static Site Generation (SSG), optimized Tailwind CSS bundling, and responsive image delivery.

Education

Skills

Backend

Express.jsJWT AuthenticationNode.jsREST API DesignCookie HandlingDjangoNestJSRefresh Token RotationFlask

Cloud

CloudinaryFirebase FirestoreNetlifyVercelAWS S3Cloudflare R2Render

Databases

MongoDBFirebase FirestoreMySQLPostgreSQL

DevOps

GitGitHubNetlifyVercelGoDaddyRenderDocker

Frontend

CSS3HTML5Next.jsReact.jsContext APIRedux ToolkitStreamlit

Languages

CSS3HTML5JavaScript (ES6+)TypeScriptPython

Methodologies

Responsive Web DesignAgile (Scrum)Cross-Browser CompatibilitySEO Optimization

Mobile

React NativeFlutter

Security

JWT AuthenticationRefresh Token Rotation

Styling

Tailwind CSSMaterial-UISCSS / SassShadcn UI

Tools

GitGitHubPostman

Selected Courses

References

References available upon request. Get in touch →