Gaurav Mandal

Experience

Delaware (Remote)
Software Development Engineer
July 2024 - Present

Engineered and integrated Microsoft Graph API with 99.9% uptime, enabling seamless Microsoft Office integration. Implemented multi-platform authentication (Google, Microsoft, LinkedIn), increasing user signup conversion by 35%.
Optimized API performance with Redis caching, cutting response time by 66-75% (6-8s to 2s).
Architected a real-time proctoring system using LoopBack and AWS Lambda, handling 10,000+ concurrent sessions. Utilized BullMQ for distributed job processing and Remote Procedure Calls (RPC), securing a $250K contract.
Conducted technical interviews for 10+ candidates, assessing skills and cultural fit. Mentored 2 interns, successfully transitioning them into full-time roles, achieving a 100% retention rate.
Refactored and modularized a monolithic server, eliminating 4,000+ lines of redundant code, improving maintainability and scalability.

Mumbai
Software Development Engineer
August 2023 - June 2024

Developed an AI-powered support bot with Langchain and OpenAI, handling 1000+ daily queries with 95% accuracy, reducing support response time by 60%.
Streamlined API response times with Redis and database indexing, improving performance by 10x.
Led integration of NFC, Google My Business, and AI tools, generating 1cr+ in additional revenue.

Remote
Software Engineer Intern
January 2023 - June 2023

Built an AI-powered SQL generator using OpenAI and Langchain, improving query accuracy by 50% and reducing development time by 40%.
Introduced Google Sign-In authentication serving 10,000+ users with 99.9% uptime and zero security incidents.

Programming Languages: Java, JavaScript, TypeScript, Python, HTML
Frameworks & Libraries: Spring Boot, NestJS, React.js, Node.js, Vue.js, LoopBack, Langchain, Docker, Microservices
Databases & Message Brokers: MongoDB, PostgreSQL, SQL, Redis, BullMQ, Apache Kafka
DevOps & CI/CD: AWS (Lambda, EC2, ECR, ECS, SQS), Azure, Bitbucket, GitHub, Git, Docker, Nginx, Eclipse, Google Colab, Agile Methodologies
Core Competencies: Cloud Computing, System Design, Monolithic Decoupling, Remote Procedure Calls (RPC), Microservices Architecture, API Development, Database Design, Test-Driven Development (TDD)

Mumbai, India
Bachelor of Engineering in Information Technology
GPA: 8.5/10.0

Designed automated code review GitHub app processing PRs daily with 95% accuracy in detecting code quality issues.
Integrated Piston API and OpenAI for automated code execution and review, reducing review time by 30%.

Ranked 787 among 200,000+ participants nationally in CodeKaze contest (1st in college).
Solved 600+ algorithmic and data structure challenges on LeetCode and GeeksforGeeks.
Achieved top 5 position in Invectus 24-hour hackathon among 100+ teams.