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I’m Devans Shah, a results-driven Full Stack Developer with over four years of experience delivering cloud-native web and mobile applications. I enjoy turning complex requirements into scalable, maintainable systems using Java, Spring Boot, React, Next.js, Node.js, and AWS. I thrive in Agile teams, care deeply about performance and security, and embrace AI-assisted development to accelerate delivery. I’ve led migrations from monoliths to microservices, implemented BFF patterns, and built robust CI/CD and testing practices to ensure reliable releases.…I’m Devans Shah, a results-driven Full Stack Developer with over four years of experience delivering cloud-native web and mobile applications. I enjoy turning complex requirements into scalable, maintainable systems using Java, Spring Boot, React, Next.js, Node.js, and AWS. I thrive in Agile teams, care deeply about performance and security, and embrace AI-assisted development to accelerate delivery. I’ve led migrations from monoliths to microservices, implemented BFF patterns, and built robust CI/CD and testing practices to ensure reliable releases.

DEVANSH SHAH

Full Stack Developer, Web Developer, Back-End Developer, +3

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I’m Devans Shah, a results-driven Full Stack Developer with over four years of experience delivering cloud-native web and mobile applications. I enjoy turning complex requirements into scalable, maintainable systems using Java, Spring Boot, React, Next.js, Node.js, and AWS. I thrive in Agile teams, care deeply about performance and security, and embrace AI-assisted development to accelerate delivery. I’ve led migrations from monoliths to microservices, implemented BFF patterns, and built robust CI/CD and testing practices to ensure reliable releases.…I’m Devans Shah, a results-driven Full Stack Developer with over four years of experience delivering cloud-native web and mobile applications. I enjoy turning complex requirements into scalable, maintainable systems using Java, Spring Boot, React, Next.js, Node.js, and AWS. I thrive in Agile teams, care deeply about performance and security, and embrace AI-assisted development to accelerate delivery. I’ve led migrations from monoliths to microservices, implemented BFF patterns, and built robust CI/CD and testing practices to ensure reliable releases.

Available to hire

I’m Devans Shah, a results-driven Full Stack Developer with over four years of experience delivering cloud-native web and mobile applications. I enjoy turning complex requirements into scalable, maintainable systems using Java, Spring Boot, React, Next.js, Node.js, and AWS.

I thrive in Agile teams, care deeply about performance and security, and embrace AI-assisted development to accelerate delivery. I’ve led migrations from monoliths to microservices, implemented BFF patterns, and built robust CI/CD and testing practices to ensure reliable releases.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Fluent

Amharic

Intermediate

Work Experience

Software Developer (Full Stack) at NTT Data Payment Services

March 1, 2025 - Present

Architected a Backend-for-Frontend (BFF) layer to decouple a legacy Spring JSP monolith into scalable microservices, enabling independent deployment for mobile, internal web, and external merchant clients. Built high-performance RESTful APIs with Spring Boot, JPA, and Spring Batch for batch processing; implemented Redis caching to improve throughput; applied multithreading via Java ExecutorService for parallel workflows; secured endpoints with JWT/OAuth 2.0 and RBAC. Led JSP-to-React migration and contributed to CI/CD improvements. Leveraged GitHub Copilot for AI-assisted development and integrated SonarQube with TDD practices.

Full Stack Developer at Insynqs (Co-op)

May 1, 2024 - August 1, 2024

Built a job search platform with Angular and Laravel; integrated Python-based ML for resume matching; launched a responsive Next.js marketing site deployed on AWS with Docker. Implemented real-time assessments via WebSockets (Soketi) and designed role-based RESTful APIs for students, companies, and admins.

Full Stack Developer at Transact Box

June 1, 2022 - December 1, 2022

Engineered full-stack payment applications using Java, Spring Boot, and ReactJS; integrated 2DS/3DS payment gateways, improving processing speed and reducing failures. Built production-grade RESTful services with JPA/Hibernate, and authored JUnit/Mockito test suites with full coverage. Created reusable ReactJS component libraries to accelerate UI development across teams.

Assistant System Engineer at Tata Consultancy Services

November 1, 2020 - June 1, 2022

Developed RESTful APIs and enterprise web applications using Spring Boot, Java, and ReactJS for large-scale clients. Implemented JPA/Hibernate for CRUD operations; configured Basic and SAML authentication for security; delivered infrastructure improvements that boosted production reliability.

Full Stack Developer (Freelance) at Visagen – Immigration Case Management Platform

December 1, 2024 - March 1, 2025

Designed end-to-end multi-tenant SaaS architecture on AWS (ECS, S3); implemented AWS Cognito for authentication with JWT/OAuth 2.0 token management and RBAC. Built NestJS microservices for Study/Work Permit and PR workflows; developed Next.js + React web app and Flutter mobile app; created a Chrome Extension to streamline IMM form data-entry.

Full Stack Developer at DriveSync

September 1, 2024 - December 1, 2024

Developed a React Native + Expo mobile app with real-time Google Maps tracking, connecting users with nearby service providers. Built Node.js + Sequelize back-end with REST APIs; integrated Google/Facebook OAuth and Redux for secure auth and state management.

Full Stack Developer at WorkLifeBalance

October 1, 2023 - Present

Built a full-stack productivity platform using ReactJS and Spring Boot with JWT authentication, Pomodoro timer, and motivational content. Implemented role-based Admin/User dashboards, task creation modules, and secure REST API communication to improve team workflow efficiency.

Full Stack Developer at Sports Bar

February 1, 2023 - February 28, 2023

Developed a responsive ReactJS frontend with Socket.io integration for real-time live pricing on a restaurant digital menu, improving customer transparency. Built and consumed RESTful APIs via Axios for efficient front-end/back-end communication and dynamic menu updates.

Full Stack Developer (Co-op) at Insynqs (Co-op)

May 1, 2024 - August 1, 2024

Built a job search platform with Angular and Laravel, and integrated a Python-based ML algorithm for resume matching; independently launched a responsive Next.js marketing site deployed on AWS with Docker; implemented real-time features with WebSockets (Soketi) and designed role-based RESTful APIs for students, companies, and admins.

Full Stack Developer at Visagen – Immigration Case Management Platform (Canada-based Client)

December 1, 2024 - March 1, 2025

Designed end-to-end multi-tenant SaaS architecture on AWS (ECS, S3); defined microservice boundaries and API contracts; implemented AWS Cognito for authentication with JWT/OAuth 2.0; built NestJS microservices for Study/Work Permit and PR workflows; created Next.js + React web app and Flutter mobile app; developed a Chrome Extension to streamline IMM form data-entry with AI coding assistance.

Full Stack Developer at DriveSync – Location-Based Mobile App (Canada-based Client)

September 1, 2024 - December 1, 2024

Developed a React Native + Expo mobile app with real-time Google Maps tracking; built Node.js + Sequelize back-end with REST APIs; integrated Google/Facebook OAuth and Redux for secure authentication and state management.

Full Stack Developer at WorkLifeBalance – Productivity App (Canada-based Client)

October 1, 2023 - Present

Built a full-stack productivity platform using ReactJS and Spring Boot with JWT authentication, Pomodoro-style timer, and motivational content; implemented role-based Admin and User dashboards and secure REST API communication to improve team workflow efficiency.

Full Stack Developer at Sports Bar – Live Menu App (India-based Client)

February 1, 2023 - Present

Developed a responsive ReactJS frontend with Socket.io integration for real-time live pricing on a restaurant digital menu, improving customer transparency; built and consumed RESTful APIs via Axios for efficient front-end/back-end communication.