Senior Backend Developer (PHP/Laravel, REST APIs)

SAURABH SINGH

Senior Backend Developer · PHP / Laravel · REST API · React.js / Next.js · MySQL

****************@*****.*** +91-832**-***** Vadodara, Gujarat linkedin.com/in/saurabh-singh-6b7579216 PROFESSIONAL SUMMARY

Backend-focused Full Stack Developer (4+ years) specializing in PHP/Laravel, REST API design, system design, and MySQL performance optimization. Currently delivering backend work on US-based client platforms at Kode Creators. Cut API response times 40% and post-release bugs 30% through indexing, caching, and structured code- review workflows. Experienced in secure authentication (JWT/OAuth), Redis pub/sub for real-time features, and containerized deployments (Docker, Nginx) with load balancing. Hands-on with payment gateway integrations and shipped an LLM (OpenAI/Claude) API integration into production. Built LMS/CRM platforms to 500+ daily active users; shipped 20+ production sites end-to-end. WORK EXPERIENCE

Senior Backend Developer — Kode Creators Pvt. Ltd. Dec 2025 – Present · Vadodara

● Client Delivery: Backend developer on US-based client platforms — collaborating with international stakeholders across time zones on feature delivery, API design, and release coordination.

● Performance & System Design: Reduced average API response time by 40% by redesigning MySQL indexing strategy, introducing Redis caching, and structuring services as modular, horizontally-scalable components.

● Security & Real-Time Architecture: Designed secure authentication using JWT and OAuth 2.0 for API access control; implemented Redis pub/sub for real-time event handling across services.

● Infrastructure & Deployment: Containerized services with Docker and configured Nginx for reverse-proxy and load-balanced, horizontally-scalable deployments; automated build/test/deploy with GitHub Actions CI/CD.

● Integrations & AI: Integrated payment gateway and third-party APIs with secure webhook/signature verification; shipped a production LLM API

(OpenAI/Claude) integration.

● Quality & Team Leadership: Cut post-release bug rate by 30% via PR review workflow, coding standards, and PHPUnit coverage; led sprint planning and mentored 2+ developers.

Full Stack Developer — BIT Infotech

Feb 2024 – Nov 2025 · Vadodara

● Product Scaling: Scaled an LMS/CRM platform to 500+ daily active users by architecting modular Laravel/CodeIgniter services designed for horizontal scalability.

● Growth Engineering: Increased organic traffic by 35% within 3 months by implementing SEO and Core Web Vitals improvements alongside Next.js SSR for high-traffic landing pages.

● Frontend Integration: Improved frontend-backend integration speed by building reusable React.js components consuming versioned REST APIs, reducing integration bugs across 2 teams.

Website Developer — Dev Infotech

Jan 2021 – Dec 2023 · Vadodara

● Full-Stack Delivery: Shipped 20+ production client sites end-to-end (PHP, MySQL, JavaScript, AJAX, JSON) as sole developer, from architecture through cPanel deployment.

● Payments Engineering: Secured payment processing for e-commerce clients across multiple industries by integrating Razorpay/PayU gateways, handling real transaction volume with zero major incidents.

TECHNICAL SKILLS

● Backend: PHP (Core & OOP), Laravel, CodeIgniter, REST API Design, MVC, Node.js (Basic), Python

● System Design & Architecture: Horizontal Scalability, Load Balancing, Caching Strategies, Redis Pub/Sub, Microservices Basics

● Security: JWT, OAuth 2.0, Webhook Signature Verification

● Database: MySQL, Query Optimization, Schema Design, Indexing & Joins, Redis (caching)

● DevOps & Infra: Docker, Nginx, Git & GitHub, CI/CD (GitHub Actions), cPanel/Hosting

● Frontend: React.js, Next.js (SSR basics), HTML5/CSS3, Bootstrap, JavaScript (ES6+), jQuery

● Integrations & AI: Payment Gateway Integration (Razorpay/PayU), Third-Party & LLM API Integration (OpenAI/Claude) KEY PROJECTS

● US-Based Client Platforms — Kode Creators: Backend development and API work on live client platforms, coordinated with international stakeholders.

● LMS Platform — BIT Infotech: Full LMS (courses, quizzes, progress tracking) in Laravel for 500+ users. Stack: PHP, Laravel, MySQL, Bootstrap.

● SSINDIA (ssiindia.in): End-to-end business website — sole developer, architecture through cPanel deployment. EDUCATION

MCA — Parul University, Vadodara 2022 – 2024 B.C.A — Sardar Patel University, Gujarat 2019 – 2022 ACHIEVEMENTS

● Tech Expo 2023 — 2nd Place: Facial Recognition Attendance Tracker, Parul University Tech Expo 2023.

● Teaching Excellence: Delivered 100+ hours of structured live online instruction; awarded for quality and consistency.

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