GOKUL KRISHNAN
Muttom P .O
Summary
Java Software Engineer with 6+ years of experience in building scalable microservices and backend systems in the airline and travel domain. Proficient in Java (11/17/21), Spring Boot, gRPC, Kafka, Docker, Kubernetes, AWS, Redis, PostgreSQL, and Elasticsearch, with hands-on expertise in API development, system integration, and performance optimization. Experienced in migrating monolithic applications to microservices, implementing Offer Stitching workflows, and enhancing observability with Prometheus/Grafana. Strong problem-solver and team player with proven skills in debugging, test-driven development (80%+ JUnit coverage), and CI/CD automation. Passionate about advancing as a microservices/cloud architect and delivering innovative, high-performance solutions.
Overview
6
6
years of professional experience
Work History
Software Engineer
Verteil Technologies
11.2022 - Current
- Building and maintaining airline domain microservices using Java/Spring Boot.
- Designed and implemented OrderCreate, OrderRetrieve, OrderChange, and cancellation workflows.
- Enhanced connector services (Amadeus, TPConnect, Jazeera, BA, FLX) reducing latency and improving throughput.
- Implemented HTTP connection pooling and Prometheus/Grafana dashboards for monitoring.
- Performed load testing with k6, optimized SOAP parsing (DOM → Axiom/StAX).
- Contributed to pricing rule augmentations, OB Fee workflows, and asynchronous cancellation logic.
- Automated Gradle-based build/deployment pipelines with AWS EKS.
- Debugged production issues, performed heap/GC analysis, and performance tuning.
SDE-III
Walmart Labs
08.2022 - 11.2022
- Worked in a microservices-based architecture ensuring scalability and modular development.
- Developed backend services using Java with Maven for build and dependency management.
- Integrated with Elasticsearch to enable search, filtering, and indexing features for faster data retrieval.
- Designed and optimized REST APIs to support business-critical operations with high performance.
- Wrote JUnit test cases to validate core functionality and maintain code quality.
- Participated in code reviews and followed best practices for clean, maintainable, and reusable code.
- Contributed to CI/CD pipelines for smooth deployments and environment management.
- Collaborated with cross-functional teams to analyze requirements, provide technical solutions, and ensure timely delivery.
- Assisted in production monitoring and troubleshooting, helping reduce response time for issue resolution.
Software Engineer
UST Global
08.2021 - 11.2022
- Developed and enhanced an SMS and OTP notification orchestration system using Java 11 in a microservices architecture.
- Built and maintained the application using Gradle, ensuring modularity and efficient dependency management.
- Implemented new features and resolved bugs, consistently improving product stability and performance.
- Wrote JUnit test cases to ensure high code quality and reliability, achieving strong test coverage.
- Designed and executed smoke tests to validate deployments and catch issues early in the CI/CD pipeline.
- Worked on CI/CD pipelines using Jenkins, streamlining build, test, and deployment processes.
- Collaborated with the production support team to monitor applications in production, proactively identifying issues.
- Contributed to root cause analysis (RCA) and provided timely fixes for production incidents, reducing downtime.
Software Engineer
IBS Software
06.2019 - 07.2021
- Migrated a monolithic Negotiated Fare Engine (NFE) to microservice architecture.
- Developed APIs for flight search, booking, and post-booking flows.
- Implemented gRPC microservice communication and integrated external sources using Apache Camel.
- Owned a service repository, achieved 80%+ JUnit coverage and optimized performance.
Education
Bachelor of Technology - Electronics and Communication Engineering
Kerala Technological University, College of Engineering And Management Punnapra
01.2019
Skills
- Languages: Java 11/17/21, SQL, JavaScript
- Frameworks: Spring Boot, Spring MVC, Hibernate, gRPC, Apache Camel, Kafka
- Databases: MySQL, PostgreSQL, Redis
- Tools/DevOps: Maven, Gradle, Git, Jenkins, Docker, Kubernetes (EKS)
- Cloud: AWS (EC2, S3, RDS)
- Testing/Monitoring: JUnit, Mockito, Micrometer, Prometheus, Grafana, k6
- Frontend: HTML, CSS, JSP, Thymeleaf, Bootstrap
Hobbies and Interests
Drawing, Cooking, Traveling, Photography
PERSONAL SKILLS
- Decision making
- Reliable & Professional
- Time Management
- Team Player
- Fast Learner
- Self-Motivated
Hobbies
- Doodling
- Photography
- Travelling
- Cooking
- Reading
Timeline
Software Engineer
Verteil Technologies
11.2022 - Current
SDE-III
Walmart Labs
08.2022 - 11.2022
Software Engineer
UST Global
08.2021 - 11.2022
Software Engineer
IBS Software
06.2019 - 07.2021
Bachelor of Technology - Electronics and Communication Engineering
Kerala Technological University, College of Engineering And Management Punnapra