Backend Engineer - Microservices, Cloud, CI/CD, ML Integration

Amit Kumar Gaur

+1-562-***-**** Portfolio ****************@*****.*** linkedin.com/in/developeramitkumargaur, github.com/amitgaur1717 SUMMARY

Software Development Engineer with nearly 3 years of experience designing, building, and deploying scalable backend services, REST APIs, and distributed systems in Python, SQL, and JavaScript. Strong foundation in data structures, algorithms, object-oriented design, and microservices architecture. Proven record of shipping production systems on AWS and Azure using Docker, Kubernetes, and CI/CD that cut latency by up to 60% and deployment time by 40%. Skilled in cross-functional Agile delivery, code review, testing, and applied machine learning integration.

TECHNICAL SKILLS

• Languages: Python, SQL, JavaScript (ES6+), Node.js

• Backend & APIs: REST APIs, FastAPI, Express, Microservices, Event-Driven Architecture, gRPC concepts, Domain-Driven Design

• Cloud & DevOps: AWS (Lambda, EC2, S3), Microsoft Azure (Functions, B2C), Docker, Kubernetes, CI/CD, GitHub Actions, Apache Kafka

• Databases: MySQL, PostgreSQL, Oracle, MongoDB, Redis, Vector Databases (FAISS, Chroma)

• CS Fundamentals: Data Structures & Algorithms, Object-Oriented Design, System Design, Scalability, Distributed Systems

• ML / AI: Machine Learning, NLP, LLMs, Retrieval-Augmented Generation (RAG), PyTorch, TensorFlow, Hugging Face, LangChain, MLflow

• Practices & Tools: Git, GitHub, JIRA, Agile/Scrum, Unit & Integration Testing, Code Review, CI/CD, Technical Documentation WORK EXPERIENCE

AI Software Developer Jio Platforms Limited Mumbai, India September 2022 – July 2024

• Architected scalable backend microservices and data pipelines in Python, SQL, and Apache Kafka.

• Built production REST APIs with FastAPI and Node.js microservices, cutting response latency by 35%.

• Designed event-driven serverless systems on AWS (Lambda, EC2, S3) and Azure Functions, enabling horizontal scaling.

• Engineered CI/CD pipelines with Docker, Kubernetes, and GitHub Actions, cutting release time by 40%.

• Led a zero-data-loss SQL-to-NoSQL migration framework with automated validation across distributed systems.

• Integrated services into executive analytics dashboards, partnering across product and data teams in Agile delivery. Software Developer Intern Flipkart Private Limited India September 2021 - August 2022

• Analyzed 10M+ user-behavior records with Python, Pandas, and SQL to build features for a high-traffic platform.

• Optimized backend Python services and database queries, profiling bottlenecks to cut API latency by 28%.

• Designed and shipped scalable RESTful APIs serving ML predictions with high availability and low latency.

• Implemented secure SSO and MFA authentication pipelines, strengthening enterprise identity and access management.

• Partnered with product managers and data scientists, contributing to code reviews and Agile sprint delivery. Student Office Assistant California State University Long Beach United States February 2025 – May 2026

• Automated data-processing and reporting workflows in Python and SQL, improving operational efficiency by 20%.

• Analyzed system-usage data to identify bottlenecks and authored documentation that streamlined onboarding.

• Built Python scripts to consolidate data from multiple sources into structured reports, eliminating recurring manual tasks.

• Used Git for version control of automation scripts and maintained README docs to enable handoff to future student staff. PROJECTS

NourishU – AI Powered Smart Meal Platform Python, OpenAI GPT, Google Gemini, RAG, FastAPI

• Built an end-to-end recommendation backend in Python and FastAPI with RAG pipelines over vector embeddings.

• Applied prompt optimization and A/B testing, lifting response quality and user engagement by 30%.

• Won a cash prize from the SPROUTS Startup Accelerator for innovation in AI-driven personalization.

• Designed REST APIs in FastAPI with async endpoints and Pydantic schema validation for type-safe request handling.

• Containerized the service with Docker and managed source control via Git/GitHub with feature branches and pull-request reviews.

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Data First - Real-Time Data Pipeline Apache Kafka, Python, Docker, Kubernetes

• Engineered Apache Kafka streaming pipelines, cutting data latency 60% via parallel consumers and tuned processing.

• Deployed containerized services with Docker and Kubernetes for horizontal scalability and high availability.

• Built producer–consumer services in Node.js with kafka, and consumer groups, scaling throughput to 10K+ events/sec.

• Designed async event handlers with Promises and backpressure control, preventing memory overflow under high-volume bursts.

• Wrote unit and integration tests with Jest and Testcontainers for Kafka, achieving 85%+ code coverage on core pipeline logic. Audit First — Identity & Access Management Automation Project

• Developed Built secure auth services with Node.js and Azure B2C, re-architected on serverless to cut latency 30%.

• Automated API validation and integration-testing workflows to enforce security compliance and reliability.

• Implemented OAuth 2.0 and JWT-based token validation in Node.js middleware, securing 20+ REST API endpoints across services.

• Designed role-based access control (RBAC) with reusable Express middleware, reducing duplicate auth code by 40% across modules. EDUCATION

Master of Science in Information Systems California State University, Long Beach August 2024 - May 2026 Relevant Coursework: ML, DL, Generative AI, Natural Language Processing, Statistics, Model Evaluation, Hyperparameter Tuning. Bachelor of Engineering in Computer Science Rajasthan Technical University, Kota, India August 2018 – July 2022 CERTIFICATIONS & RECOGNITION

• Google AI Specialization (Coursera, 2026) · Google Prompting Essentials Specialization (Coursera, 2026) · Statistics Foundations

(LinkedIn, 2025) · Foundations of Project Management (Google, 2025) · Project Management Skills for Leaders (LinkedIn, 2024)

· Duolingo English Test (2024) · Server-side Development with Node.js, Express & MongoDB (Coursera, 2022) · LinkedIn Learning – Backend & Architecture track (2022): Node.js, MongoDB, MySQL, JavaScript/ES6+, REST APIs, Microservices, DDD, Azure DevOps, Scrum, Agile Testing)

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