I’m Guru Sidharth
Building scalable mobile and web applications with modern technologies.
My Services
Explore my range of expertise designed to go beyond aesthetics. I build visually considered, fully functional software tailored to real product needs.
Learn MoreEnterprise Web Applications
Architecting and building production web applications designed to scale with real business complexity.
Mobile Applications
End-to-end mobile app delivery, from architecture through App Store and Google Play release.
React Native Development
Cross-platform mobile engineering with native-level performance and a single, maintainable codebase.
Frontend Engineering
Component-driven UI engineering with React, Next.js, and Vue.js — accessible, responsive, and fast.
Backend Development
Node.js and Express services designed around clear boundaries, reliability, and maintainability.
REST API Development
Designing well-documented, versioned REST APIs that are predictable and easy to integrate against.
Performance Optimization
Profiling and optimizing critical rendering paths, bundle size, and data-fetching strategies.
UI Engineering
Translating design systems into pixel-accurate, animated, production-grade interfaces.
Authentication Systems
Secure authentication and authorization flows, including JWT, biometrics, and role-based access.
Cloud Integration
Integrating AWS and GCP services into application infrastructure for reliable, scalable deployments.
Projects I've Built for Real Products
A selection of production applications spanning healthcare, sports, and business operations.
Medical Care Workers Management Platform
Serves 1,000+ daily active users across facilities
Professional Experience
A timeline of the impact I've driven in production engineering roles.
Software Engineer
Connect Out Solutions
Chennai, India
Own end-to-end delivery of cross-platform mobile and web applications — from architecture and API design to deployment and production support.
- Develop cross-platform applications with React Native and React
- Build scalable, service-oriented application architecture
- Design reusable, accessible UI components used across products
- Manage complex application state with Redux Toolkit
- Integrate and consume REST APIs across the product surface
- Implement authentication systems, including biometric login
- Build payment integrations for in-app purchases and bookings
- Implement push notifications for real-time user engagement
- Integrate Google Maps for location-based features
- Drive performance optimization across app and web clients
- Ship releases to the App Store and Google Play
- Collaborate in Agile ceremonies with product, design, and QA
- Conduct code reviews and mentor junior engineers
Tech Stack
A well-rounded, production-tested stack spanning mobile, web, backend, and infrastructure.
TypeScript · JavaScript · HTML5 · CSS3
React · React Native · Next.js · Vue.js · Tailwind CSS · Styled Components · Material UI
Node.js · Express.js · REST APIs · Authentication · JWT
MongoDB · Supabase · Firebase · SQLite
AWS · GCP
Git · GitHub · GitLab · VS Code · Xcode · Android Studio · Postman · Figma
Jest · React Native Testing Library · Detox
Key Achievements
Outcomes I've driven that go beyond shipping features — real, measurable improvements.
Application Performance
Improved application performance through profiling and optimization
Crash Rate Reduction
Reduced crash rate through defensive engineering and monitoring
Development Time
Reduced development time with reusable components and tooling
Daily Active Users
Delivered applications serving daily active users at scale
Production apps released on App Store & Google Play
Education, Certifications & Continuous Learning
I invest deliberately in expanding what I can build and how well I can build it.
Education
Bachelor of Technology
Electrical and Electronics Engineering
Certifications
AWS Cloud Practitioner
Amazon Web Services · Cloud Computing
DevOps Foundations
Professional Development · DevOps
Continuous Learning
Self-Directed · Professional Development
Currently Learning
I’m Guru Sidharth, a full stack developer and react native developer working from Chennai, India.
I'm a Software Engineer with 3+ years of experience building enterprise-grade mobile and web applications used by real customers in production.
I specialize in React Native, full stack development with TypeScript, React, Next.js, and Vue.js on the frontend, and Node.js with REST APIs on the backend — backed by Firebase, Supabase, and MongoDB.
I enjoy building software that is scalable, maintainable, secure, and genuinely fast — treating performance and architecture as first-class product features, not afterthoughts.
- 3+ years of software engineering experience
- Developed production-ready React Native applications
- Built enterprise healthcare applications
- Improved application performance by 30%
- Reduced crash rates by 35%
- Shipped applications to the App Store and Google Play
- Strong experience with Agile development
- Passionate about software architecture and clean code
Let's build something great together
Open to full-time Software Engineer roles. Reach out directly — I reply to every message.