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RAKESH NIKUM

@rakeshnikum

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Lead Java developer specializing in scalable microservices, cloud, and distributed systems.

India

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What I'm looking for

I seek a senior backend or architecture role where I can lead microservices design, mentor engineers, and deliver scalable, cloud-native systems in collaborative, security-conscious teams.

I am a results-driven Lead Developer with over 11 years of experience designing and building scalable backend systems using Core Java (Java 8/17) and Spring Boot. I focus on microservices architecture, event-driven systems, and cloud-native practices to deliver resilient, high-performance applications.

Throughout my career I have led design and development for BFS and education domain applications, architected distributed systems using MongoDB and PostgreSQL, and implemented distributed transactions with Saga and event-sourcing patterns. I prioritize data consistency, integrity, and operational reliability in large-scale systems.

I drive technical excellence through code reviews, mentoring, and cross-team collaboration to align APIs, data contracts, and integration strategies. I have hands-on experience with CI/CD, containerization, and AWS deployments to ensure high availability and security.

I hold an MCA in Computer Science and am AWS Certified Solutions Architect – Associate; I seek roles where I can lead backend architecture, mentor engineers, and deliver robust, scalable systems for mission-critical applications.

Experience

Work history, roles, and key accomplishments

Current

Technical Architect

Current

Cognizant

Oct 2021 - Present (4 years 8 months)

Led design and development of scalable microservices and event-driven systems for BFS and education domains, improving resilience and cross-team API alignment. Implemented distributed transactions (Saga) and ensured data consistency across MongoDB and PostgreSQL.

Spring Boot Microservices MongoDB PostgreSQL Distributed Systems Event Driven Architecture AWS CI CD

Senior Consultant

Hitachi Vantara

Dec 2018 - Oct 2021 (2 years 10 months)

Led microservices design and architecture for high-volume educational platforms, ensuring availability, scalability, and security while driving code reviews and mentoring. Implemented distributed transactions and collaborated on API/data contract alignment.

Spring Boot Microservices MongoDB PostgreSQL System Design DevOps CI CD

Senior Java Developer

Sears Holdings India

Nov 2017 - Oct 2018 (11 months)

Designed and developed robust microservices for high-scale e-commerce, implemented distributed transactions and optimized NoSQL data models to improve performance and reliability. Mentored juniors and participated in architectural reviews.

Java Spring Boot Microservices MongoDB Distributed Transactions Monitoring Testing API Design

Software Engineer

Meganexus

Oct 2016 - Oct 2017 (1 year)

Architected and implemented backend microservices with REST APIs and event-driven communication, built CI/CD, logging and monitoring pipelines from scratch, and optimized service performance and reliability.

Java Spring Boot Microservices REST Event Driven Architecture CI CD Logging Monitoring

Java Developer

PTC

Aug 2014 - Oct 2016 (2 years 2 months)

Developed and maintained web applications using Core Java and Spring MVC, integrated AngularJS frontend components, and collaborated with QA/DevOps to ensure reliable deployments.

Java Spring MVC JSP AngularJS Frontend Debugging Deployment