Full Stack Developer with 5+ Years Experience

Saroj Kumar Das

Full Stack Developer

+91-737******* — **************@*****.*** — linkedin.com/in/saroj-kumar-b6770915b — github.com/SarojKumar0987 — Gurugram, India

Professional Summary

Full Stack Developer with 5+ years of experience building and scaling high-performance web applications, cutting system response times by up to 40% and accelerating deployment cycles by 60%. Specialized in PHP frameworks and JavaScript frameworks, with expertise in REST and GraphQL-based services, AWS (EC2, S3), and SQL/NoSQL databases. Proven track record of delivering scalable solutions that supported 2x account growth, streamlining CI/CD pipelines, and maintaining 99.9% application uptime. Professional Experience

Full Stack Developer March 2025 - Present

Antworks Money Gurugram, India

− Led end-to-end development of a fintech affiliate platform using Laravel, Node.js, and React, scaling system capacity to accommodate 2x account growth.

− Designed and deployed secure PayPal payment workflows, cutting transaction failures by 30% and boosting reliability.

− Optimized REST and GraphQL services using PostgreSQL and MongoDB, slashing response time by 40% via Redis caching.

− Automated CI/CD pipelines and deployed containerized apps on AWS EC2, shortening deployment time by 60%. Full Stack Developer December 2023 - February 2025 Canam Consultants Chandigarh, India

− Engineered high-performance SPAs using React.js, accelerating frontend load speed by 35% and elevating experience.

− Implemented JWT and RBAC authentication, decreasing security vulnerabilities and unauthorized access by 50%.

− Architected MySQL and MongoDB databases, boosting API throughput by 30% while ensuring high system reliability.

− Collaborated with teams to automate CI/CD pipelines, reducing production issues by 25% through codebase refactoring. Backend Developer January 2021 - November 2023

Crowdvolley IT Solutions Mohali, India

− Built and optimized PHP-based applications, accelerating database query performance by 40% and cutting load times.

− Integrated Stripe and PayPal gateways, lifting transaction success rate by 20% while ensuring secure processing.

− Developed responsive UI components, driving higher engagement and usability across multiple client projects.

− Strengthened system reliability to 99.9% uptime through PHPUnit testing and performance tuning strategies. Projects

Antworks Money React.js, Laravel, MySQL, AWS EC2, S3 antpay.in

− Designed a financial platform enabling loan processing and secure payment systems for end clients.

− Established multi-level role management and financial reporting dashboards.

− Deployed on AWS EC2 and leveraged S3 for secure document storage and retrieval. Grupin React.js, Laravel, MySQL, AWS EC2 grupin.in

− Built a group collaboration platform with real-time messaging, account management, and analytics modules.

− Hosted on AWS EC2 with scalable infrastructure to support a growing member base. Vue.js Admin Dashboard Vue.js, Laravel, MySQL

− Designed real-time analytics dashboards for administrative monitoring and reporting.

− Connected third-party APIs to support interactive data visualization. Client Projects Node.js, React.js, Vue.js, Laravel, MySQL, MongoDB

− GameBiz, Canam Group, SinghTek, EduAlay, BeMyLegal, VRMatka - full stack across education, legal, and gaming sectors. Education

Biju Patnaik University of Technology Odisha, India Bachelor of Technology in Mechanical Engineering 2015 - 2018 Technical Skills

Frontend: JavaScript (ES6+), React.js, Vue.js, HTML5, CSS3, Bootstrap, Tailwind CSS, jQuery, Ajax, TypeScript Backend: Core PHP, Laravel, CodeIgniter, Node.js, Express.js APIs & Architecture: RESTful APIs, GraphQL APIs, MVC, JWT Authentication, RBAC Databases: MySQL, PostgreSQL, MongoDB, Redis

DevOps & Cloud: AWS EC2, AWS S3, Docker, GitHub, Git, Apache, Nginx Payments: Stripe, Razorpay, PayPal

Soft Skills: Problem-Solving, Communication, Team Collaboration, Time Management, Adaptability, Leadership, Attention to Detail, Critical Thinking

Achievements

- Integrated Stripe, Razorpay, and PayPal gateways, lifting transaction success rate by 20%.

- Strengthened authentication and payment security, cutting unauthorized access incidents by 50% in high-traffic systems.

- Led and mentored development teams, accelerating delivery efficiency and shortening release cycles by 30%.

- Streamlined CI/CD pipelines on AWS, slashing deployment time by 60% and minimizing production downtime.

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