Senior Backend Engineer - Java, Spring Boot, Node.js, React

Sachin Basavaraja

240-***-**** **************@*****.*** github.linkedin.com/com/sachin199914 in/sachin-basavaraja sachin199914.github.io/portfolio Summary

Software Engineer with 4+ years of experience building scalable, high-performance backend and full-stack applications using Java, Spring Boot, Node.js, and React. Expertise in microservices architecture, RESTful API design, distributed systems, and cloud platforms (AWS, Azure). Proven track record delivering production-grade systems, improving reliability, and optimizing performance. Strong foundation in system design, CI/CD, and Agile methodologies. Actively seeking roles in backend, distributed systems, and AI-driven applications. Experience

Abroad Founding Engineering Intern May 2025 – December 2025 Tech Stack: Node.js, Express.js, MongoDB, React, React Native California, USA

• Architected 15+ RESTful API endpoints using Node.js and Express.js supporting 3 core product modules, reducing average API response time by 22%.

• Engineered cross-platform UIs using React and React Native, driving 35% increase in user engagement within 60 days of launch.

• Redesigned MongoDB schemas and introduced index-based query optimization, cutting average query latency by 40% and doubling throughput under peak load.

Alshaya Group Senior Software Engineer October 2021 – August 2024 Tech Stack: Java, Spring Boot, MySQL, REST APIs, Microservices, Azure Bengaluru, India

• Architected and migrated legacy POS systems to a microservices architecture, improving uptime by 30% and reducing deployment cycle time by 50% across 500+ retail stores.

• Developed high-throughput REST APIs serving 500+ stores, ensuring 99.9% availability under peak retail load.

• Built a scalable promotion engine supporting 25+ promotion types, boosting customer engagement by 25%.

• Integrated distributed payment systems using Azure Functions, reducing payment failures by 45% and cutting error-resolution time by 60%.

• Automated CI/CD pipelines with Jenkins and GitHub Actions, reducing manual deployment effort by 70%; led Agile sprints and code reviews across a cross-functional team of 8 engineers. Quotient Technology Software Intern February 2021 – October 2021 Tech Stack: Java, Selenium, Maven, Jenkins, JMeter Bengaluru, India

• Developed a test automation framework using Java and Selenium covering 200+ test cases, reducing production bugs by 60% and cutting manual QA time by 40%.

• Integrated testing into CI/CD pipelines and executed performance testing with JMeter, identifying 3 critical bottlenecks before production release.

Technical Skills

Languages: Java, Python, JavaScript, TypeScript, C, C++, SQL Backend: Spring Boot, Node.js, Express.js, REST APIs, Microservices, Distributed Systems Frontend: React, React Native, Next.js, Angular, HTML, CSS Cloud & DevOps: AWS (SAA-C03, DVA-C02), Azure, Docker, Kubernetes, CI/CD, Jenkins, GitHub Actions Databases: MySQL, PostgreSQL, MongoDB, Redis, NoSQL Tools & Practices: Git, Agile/Scrum, System Design, Data Structures, OOP, Design Patterns, Testing Projects

FIFA World Cup AI Analyst Next.js, TypeScript, Python, FastAPI, LangChain, ChromaDB February 2026

• Built an AI analytics platform using RAG architecture with LangChain and ChromaDB, enabling natural language queries over 900+ data chunks at 87% retrieval accuracy and p95 latency under 800ms. DigiSchool LMS Java, Spring Boot, MySQL, React, AWS December 2024

• Led 5 engineers to ship a full-stack LMS with RBAC, automated assessments, and real-time discussions, supporting 500+ concurrent users on AWS EC2/RDS and cutting course management time by 30%. Education

University of Maryland, College Park August 2024 – May 2026 Master of Engineering in Software Engineering College Park, Maryland Siddaganga Institute of Technology August 2017 – May 2021 Bachelor of Engineering in Computer Science Tumkur, India Certifications

• AWS Certified Solutions Architect – Associate (SAA-C03) AWS Certified Developer – Associate (DVA- C02)

• Cisco NetAcad Certification in C, C++, Python, Computer Networks

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