Lijin P John
Reading,West Berkshire
Summary
Senior Software Engineer with 15 years of experience designing scalable systems across diverse industries. Skilled in Java, Spring Boot, and microservices, with expertise in cloud-native technologies including AWS and Kubernetes. Focused on AI-augmented development, leveraging tools like GitHub Copilot to optimise workflows and enhance delivery.
Overview
15
15
years of professional experience
4
4
years of post-secondary education
Work history
Full Stack Developer
Maersk Line UK Ltd
2022.12 - 2026.06
- Designing and developing microservices for contract-based pricing in container shipping.
- Implementing features using Java 25, Spring Boot, and reactive programming.
- Optimising PostgreSQL queries and improving service performance.
- Writing unit tests and contributing to test automation.
- Managing deployments and CI/CD pipelines using Azure and Kubernetes.
- Leveraging AI tools extensively to accelerate development and improve code quality.
Senior Java Engineer
Tata Consultancy Services – Marks & Spencer
2020.02 - 2022.11
- Developed and enhanced features for the supplier management portal.
- Built REST APIs and integrated MongoDB.
- Improved database performance and implemented automated tests.
- Supported deployments and production operations using Azure and Kubernetes.
Java Engineer
Tata Consultancy Services – Marks & Spencer
2017.02 - 2020.01
- Developed modules for retail inventory optimisation systems.
- Built SQL/PLSQL components and optimised database performance.
- Implemented test automation and supported AWS-based deployments.
- Contributed to batch processing and backend integrations.
Java J2EE Engineer
Tata Consultancy Services – World Bank
2016.07 - 2017.01
- Developed transaction processing and fundraising management modules.
- Built controllers, DAOs, JSP views, and implemented web security.
- Used Hibernate ORM and Maven; contributed to design documentation.
Java Engineer
Suntec Business Solutions
2013.04 - 2016.01
- Developed customer-centric revenue management applications for financial and telecom clients.
- Built controllers, DAOs, JSPs, and implemented security and messaging.
- Migrated build system from Ant to Maven.
Software Engineer
IAP Company Ltd – NIC (Government of Kerala)
2011.12 - 2013.04
- Developed web applications enhancing pay and entitlement management for gazetted officers.
- Implemented client/server-side validation, creating technical documentation.
- Built servlets, JSPs, model classes; designed Oracle database schema.
Education
Bachelor of Technology - Computer Science & Engineering
Cochin University of Science and Technology
India 2007.08 - 2011.04
Skills
Backend & Microservices
Java 25, Spring Boot, Spring WebFlux, Spring Cloud, Microservices Architecture, Event-driven Architecture, REST APIs, Kafka,
Cloud & DevOpsAWS, Azure, Kubernetes, Docker, Helm, Terraform, GitHub Actions, Azure DevOps, Jenkins, Prometheus, Grafana, OpenTelemetry
DatabasesPostgreSQL, MongoDB, Cassandra, Oracle, SQL/PLSQL,
FrontendAngular, Vuejs, TypeScript, JavaScript
Testing & AutomationJUnit 5, Mockito, Testcontainers, K6 Performance testing, Selenium, Cucumber, Cinnamon
AI-augmented DevelopmentGitHub Copilot, Claude Code, OpenCode, AI-assisted development workflows, LLM‑powered feature integration
Architecture & PracticesClean Architecture, Hexagonal Architecture, DDD, Agile, Extreme Programming, BDD, Secure Coding, OAuth2, JWT, Spring Security
Additional information
- Total Experience: 15 Years
- Available for: Hybrid / Remote / On-site roles
Timeline
Full Stack Developer
Maersk Line UK Ltd
2022.12 - 2026.06
Senior Java Engineer
Tata Consultancy Services – Marks & Spencer
2020.02 - 2022.11
Java Engineer
Tata Consultancy Services – Marks & Spencer
2017.02 - 2020.01
Java J2EE Engineer
Tata Consultancy Services – World Bank
2016.07 - 2017.01
Java Engineer
Suntec Business Solutions
2013.04 - 2016.01
Software Engineer
IAP Company Ltd – NIC (Government of Kerala)
2011.12 - 2013.04
Bachelor of Technology - Computer Science & Engineering
Cochin University of Science and Technology
2007.08 - 2011.04