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Software Engineer with 7 years of experience designing, developing, and optimizing scalable Java and Spring Boot-based microservices and distributed systems. Skilled in building secure REST APIs, event-driven applications, and high-throughput platforms processing large volumes of data and transactions. Proficient in Spring Security, Spring Data JPA, PostgreSQL, Redis, Kafka, RabbitMQ, Azure, Docker, and cloud-native development, with hands-on experience in CI/CD, observability, system design, and performance optimization. Passionate about building resilient, maintainable, high-performance applications while collaborating in Agile/Scrum environments.…Software Engineer with 7 years of experience designing, developing, and optimizing scalable Java and Spring Boot-based microservices and distributed systems. Skilled in building secure REST APIs, event-driven applications, and high-throughput platforms processing large volumes of data and transactions. Proficient in Spring Security, Spring Data JPA, PostgreSQL, Redis, Kafka, RabbitMQ, Azure, Docker, and cloud-native development, with hands-on experience in CI/CD, observability, system design, and performance optimization. Passionate about building resilient, maintainable, high-performance applications while collaborating in Agile/Scrum environments.

Subir Chandra Kar

Back-End Developer, Web Developer, Programmer, +1

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Software Engineer with 7 years of experience designing, developing, and optimizing scalable Java and Spring Boot-based microservices and distributed systems. Skilled in building secure REST APIs, event-driven applications, and high-throughput platforms processing large volumes of data and transactions. Proficient in Spring Security, Spring Data JPA, PostgreSQL, Redis, Kafka, RabbitMQ, Azure, Docker, and cloud-native development, with hands-on experience in CI/CD, observability, system design, and performance optimization. Passionate about building resilient, maintainable, high-performance applications while collaborating in Agile/Scrum environments.…Software Engineer with 7 years of experience designing, developing, and optimizing scalable Java and Spring Boot-based microservices and distributed systems. Skilled in building secure REST APIs, event-driven applications, and high-throughput platforms processing large volumes of data and transactions. Proficient in Spring Security, Spring Data JPA, PostgreSQL, Redis, Kafka, RabbitMQ, Azure, Docker, and cloud-native development, with hands-on experience in CI/CD, observability, system design, and performance optimization. Passionate about building resilient, maintainable, high-performance applications while collaborating in Agile/Scrum environments.

Available to hire

Software Engineer with 7 years of experience designing, developing, and optimizing scalable Java and Spring Boot-based microservices and distributed systems. Skilled in building secure REST APIs, event-driven applications, and high-throughput platforms processing large volumes of data and transactions.

Proficient in Spring Security, Spring Data JPA, PostgreSQL, Redis, Kafka, RabbitMQ, Azure, Docker, and cloud-native development, with hands-on experience in CI/CD, observability, system design, and performance optimization. Passionate about building resilient, maintainable, high-performance applications while collaborating in Agile/Scrum environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Javanese

Fluent

Work Experience

Senior Software Engineer at Lowe's India

January 1, 2026 - Present

Built scalable Java Spring Boot microservices and secure REST APIs for a vendor onboarding platform handling 50,000+ tasks daily, improving workflow execution and task lifecycle management. Implemented a MongoDB CDC-based CQRS architecture and ElasticSearch search flow, reducing data access read latency by ~60%. Contributed to system design, performance optimization, deployment planning, and production support to ensure scalability and reliability.

Software Engineer II at Lexmark International (Xerox Corporation)

May 1, 2022 - January 1, 2026

Contributed to architecture and implementation of a cloud-connected printer management platform processing telemetry for 100,000+ devices and enabling generation of ~6,000 consumable orders daily. Designed and developed secure REST APIs and reusable Angular modules supporting pagination, dynamic filtering, sorting, bulk operations, routing guards, and fine-grained role-based access controls. Automated supply threshold notifications (80% reduction in manual monitoring effort), implemented bulk firmware deployment capabilities (70% rollout time reduction), and optimized synchronization mechanisms to reduce data propagation latency from ~15 minutes to under 10 seconds. Supported CI/CD and multi-environment deployments using Jenkins, Docker, and Git.

Senior Systems Engineer at Infosys Limited

November 1, 2019 - May 1, 2022

Developed backend services using Java, Spring, and OAuth2 for device notifications (50,000+ devices), user-facing APIs serving 25,000+ daily users, and bulk file upload capabilities supporting up to 500 records per file. Provided production support for enterprise applications including debugging, defect resolution, root cause analysis, and cross-functional collaboration to ensure high system availability and customer satisfaction. Managed Git workflows, CI/CD pipelines, and Docker-based deployments across multiple environments to support reliable releases.