</> Career Journey & Milestones

Work Experience

4.9+ years hands-on experience designing and operating robust enterprise applications, high-performance web systems, and secure API microservices. Specialized in PHP (Laravel & CodeIgniter), Node.js & Express, and MySQL / MongoDB.

4.9+ Yrs

Industry Experience

20+ Apps

Shipped to Production

99.9%

API Reliability & Uptime

Quick Connect

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</> Verified Career History

Employment Journey

Verified roles detailing hands-on backend engineering, RESTful APIs, database design, and production maintenance.

Software Engineer

Present

Efficient INDIA • Full-time

Feb 2022 — Present • 4 yrs 9 mos New Delhi, Delhi • On-site

What I Worked On

Engineered scalable, secure server-side architectures for enterprise web systems and modern SaaS applications. Spearheaded the design, migration, and optimization of back-end modules to support high-throughput operations.

Key Responsibilities & Architectural Deliverables:

High-Performance REST APIs: Architected standardized API pipelines with JSON-API schemas, input sanitization, JWT authorization, and rate limiting for web and cross-platform mobile apps.
Database Tuning & Indexing: Structured complex relational database schemas in MySQL, applying composite indexing and query profiling with `EXPLAIN` to resolve high-concurrency bottlenecks.
Payment & Transaction Workflows: Integrated multi-gateway payment infrastructure (Razorpay, Cashfree, UPI QR stacks) with asynchronous webhook processing and idempotency keys.
Production Deployment & Server Maintenance: Managed deployment cycles, Apache virtual host configurations, SSL certifications, and automated backup routines on Ubuntu Linux and cPanel environments.

Projects Delivered:

E-Commerce School Management System Car Booking App Online Examination Portal Travel Portal CRM HRM REST APIs

Core Tech Stack:

CodeIgniter Laravel Node.js Express React MySQL MongoDB PostgreSQL AWS VPS cPanel

Software Engineer Trainee

Adhyapak Online • Full-time

Jul 2021 — Sep 2021 • 3 mos Noida, Uttar Pradesh

What I Worked On

Hands-on backend programming, database query structuring, automation scripting, and foundational Python & web development modules.

Key Learning & Foundations:

Python Programming Fundamentals: Built backend scripts for data manipulation, routine automation, and API data parsing.
Database Structuring: Structured relational MySQL tables, normalized schema definitions, and implemented data validation rules.
Agile Collaboration: Participated in daily standups, code review feedback sessions, and collaborative version control workflows using Git.

Projects:

Key Press Tracker Application Portfolio Website

Core Tech Stack:

Python MySQL Backend Architecture Git & GitHub

</> Value & Strengths

What I Bring to Engineering Teams

Proven architectural strengths and day-to-day software engineering practices delivered across scalable web applications and production systems.

Clean MVC Architecture

Writing modular, easily testable controllers, service layers, and reusable models that scale effortlessly without creating technical debt.

High-Throughput APIs

Designing reliable REST APIs with strict parameter validation, token authorization, rate limiting, and standardized error messaging.

Database Performance

Analyzing and eliminating slow database queries through composite indexing, caching layers, and optimized relational joins.

Security & Bot Defense

Hardening applications against threats: Google reCAPTCHA v3 bot protection, CSRF safeguards, secure hashing, and SQL injection prevention.

</> Let's Connect

Ready to Build Something Great?

Always open to discussing software architecture, sharing developer insights, and building meaningful connections in tech. Drop a message anytime!

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CPN Prajapati