Headline

SDE-1 @ Simplilearn | Peaked at Top 4.32% on LeetCode (Global) | MCA’24 @ VIT

About

🚀 Backend Developer | Node.js | MongoDB | MySQL | Scalable Systems | SDE-1 at Simplilearn I am a passionate Backend Developer with a strong foundation in building scalable and secure backend systems. With a Master's degree in Computer Applications from Vellore Institute of Technology (2024), I bring hands-on experience from startups, government projects, and freelance work. 💼 Professional Experience Currently working as an SDE-1 at Simplilearn, contributing to a fast-paced tech team building impactful learning solutions. Previously at AHAsolar Technologies Ltd., I worked on multiple government-backed platforms such as PM Surya Ghar Yojana, GEDA EV, and Grievance Management System. I built CMS tools, optimized workflows, integrated AWS S3, and developed stored procedures to streamline large-scale operations. As a Freelance Backend Developer for a confidential client, I developed REST APIs using Node.js and MongoDB, implemented cron jobs, integrated email automation, and ensured secure access with JWT-based authentication. 🛠️ Tech Stack & Skills Languages & Frameworks: Node.js, Express.js, PHP, JavaScript, C++ Databases: MongoDB, MySQL Other Tools: JWT, Auth0, AWS S3, REST APIs, Git Core Skills: API Design, Role-Based Access Control, Database Optimization, Cron Jobs 🎯 I love solving real-world problems through code. From managing complex data workflows to integrating third-party services and optimizing backend performance, I’m driven by clean architecture and practical outcomes. 🔗 Check out my Projects section for live demos and insights into my work. 📩 Let’s connect—whether it’s for collaboration, mentorship, or discussing backend architecture!

Location

Bangalore Urban

AI stack

antigravity

claude code

codex

mcp

openai

ChatGPT

Work experience

Software Development Engineer-1 (SDE-1) at Simplilearn, Jun 2025 - Present · 1 yr 3 mos, Bangalore Urban, - Built and optimized high-impact marketing platforms, including IIT Programs and Top Courses pages, contributing to campaigns that achieved 2× ROAS (Return on Ad Spend). - Developed end-to-end features for the Learning Management System (LMS), delivering both frontend and backend solutions for course modules and learner experiences. - Designed and implemented internal Admin Portal and Dashboard Portal, enabling teams to manage operations, content, and reporting more efficiently. - Worked extensively within a Turborepo monorepo architecture, creating and maintaining reusable components and shared packages to improve development velocity and consistency across applications. - Led the revamp of shared Header and Footer components across both B2C and B2B platforms, ensuring a unified user experience and simplified maintenance. - Built dynamic, CMS-driven website sections including Categories, Roles, FRS, SkillUp, Authors, and other content-driven experiences, reducing manual effort and improving scalability. - Developed key B2B experiences including the Homepage, SkillUp+, and Pricing pages, supporting product growth and customer acquisition initiatives. - Drove frontend performance optimization efforts, improving Lighthouse performance scores from 64 to 92, resulting in faster load times and better user experience. - Collaborated closely with product, design, and marketing teams to deliver scalable, high-performance web applications using modern frontend and backend technologies.

Freelance Backend Developer at NDA-Protected Client, Mar 2025 - May 2025 · 3 mos, India, Worked with a confidential client under a Non-Disclosure Agreement (NDA) to design and develop a robust backend and cross-platform desktop applications. Leveraged technologies such as Node.js, Express.js, MongoDB, and Electron.js, collaborating remotely with occasional on-site visits for requirement gathering and project alignment. Key Responsibilities & Contributions: • Designed and maintained RESTful APIs for user management, product inventory, and workflow automation. • Developed Electron.js-based desktop applications for internal use, enabling seamless cross-platform access to core functionalities. • Created and managed cron jobs to automate daily backend tasks like checking pending work and updating stock levels. • Integrated an email notification system to send scheduled reports and critical alerts to stakeholders. • Implemented JWT authentication and role-based authorization to ensure secure API and application access. • Participated in on-site client meetings to capture evolving requirements and deliver tailored technical solutions. • Followed best practices in code structure, error handling, and performance optimization, ensuring compliance with strict confidentiality standards.

Software Engineer at AHAsolar Technologies Ltd., Jul 2024 - Feb 2025 · 8 mos, Ahmedabad, Gujarat, India, Worked as a Backend Developer on multiple government-backed digital platforms, contributing to projects like the Pradhan Mantri Surya Ghar Yojana, GEDA EV, and Grievance Management System (GMS). Played a key role in optimizing backend performance, building scalable systems, and improving workflows for internal and external stakeholders. Key Achievements: CMS Development for PM Surya Ghar Yojana: Built a content management system to manage 500+ files and assets, reducing manual effort by 70% and improving content handling efficiency. Cloud Storage Integration: Integrated AWS S3 for seamless file upload and retrieval, enhancing system reliability and scalability. GEDA EV Project: Digitized and optimized the vendor registration and approval workflow, reducing onboarding time by 30% and improving overall operational efficiency by 40%. Subsidy Disbursement Optimization: Streamlined and automated subsidy workflows, achieving 99% accuracy and cutting processing time by 45%. Grievance Management System (GMS): Engineered a multi-portal complaint handling system with automated ticket assignment, escalation rules, and departmental routing—resulting in 50% faster issue resolution. Database Engineering: Designed and developed 50+ stored procedures and optimized 20+ existing ones across projects to improve performance, scalability, and maintainability.

Back End Developer at WRITO EDUCATION PRIVATE LIMITED, Feb 2024 - May 2024 · 4 mos, Remote

Software Developer Intern at Sankhyana Consultancy Services Pvt. Ltd., Sep 2023 - Jan 2024 · 5 mos, Banglore

Education

Master of Computer Applications - MCA, Computer Science, Vellore Institute of Technology

Bachelor of Computer Applications - BCA, Computer Science, CIMAGE Group of Institutions, Patna

Public links

github: https://github.com/bhaveshranjan