Ramesh Ashok
Java & Backend Engineer
Chennai
Summary
Java & Backend Engineer with 4+ years of experience delivering scalable, high-performance systems across airline and B2C domains. Strong background in Java/Spring Boot microservices with hands-on experience in Node.js and GraphQL for serverless architectures on Azure Functions. Proven expertise in backend performance optimization, cloud-native design, caching strategies, and resilient system architecture.
Overview
4
4
years of professional experience
5
5
Certificates
Work History
Software Developer
Tata Consultancy Services
01.2025 - Current
- Project: Jazeera Airways – B2C Platform
- Built and optimized a Node.js + GraphQL backend on Azure Functions for a B2C airline booking platform.
- Reduced cold-start latency by ~35% and deployment size by ~50% via Apollo Server → GraphQL Yoga migration, bundling, and DI removal.
- Improved API response times by ~25% using request-level and instance-level caching with optimized TTLs.
- Eliminated N+1 query issues, reducing redundant database calls by ~60% using GraphQL Dataloaders.
- Implemented circuit breakers and request timeouts, improving system resilience and preventing cascading failures.
- Integrated OpenTelemetry (OTel) for distributed tracing and metrics, paired with Azure Application Insights for end-to-end monitoring, latency analysis, and production debugging.
- Delivered and optimized high-traffic, business-critical APIs supporting search, pricing, and booking flows.
- Project: British Airways – NDC Platform
- Engineered microservices-based backend systems for the NDC platform for British Airways(IAG) using Spring Boot and PostgreSQL, ensuring efficient handling of large-scale airline booking data.
- Leveraged AWS services (EC2, S3) for deployment, achieving 99.9% system uptime and 25% faster performance.
- Enhanced database performance by optimizing queries and designing efficient schemas in PostgreSQL, reducing data latency by 15%.
- Integrated RESTful APIs with third-party platforms like Amadeus GDS for seamless service functionality.
- Implemented unit and integration testing, ensuring code reliability and maintainability.
Backend Developer
Bloomlync Technology
08.2021 - 01.2022
- Modernized backend systems with Spring Boot and AWS Lambda, achieving a 20% reduction in system errors.
- Designed and implemented RESTful APIs integrated with PostgreSQL, improving data retrieval performance.
- Contributed to client projects, meeting 100% of delivery timelines and quality standards.
Software Intern
Oracle Cerner
10.2020 - 06.2021
- Designed and developed a Blog Module for RCCREDIT.com using Spring Boot, React JS, and MongoDB, delivering a seamless user experience.
- Integrated APIs with database operations to optimize query performance and system reliability.
- Delivered detailed documentation and supported project milestones adhering to Agile practices.
IoT Intern
Amtex Systems
05.2017 - 07.2017
- Worked on an IoT automation project for the American School, Chennai, improving communication efficiency by 30%.
- Used JavaScript and integrated data visualizations for real-time announcement systems.
Education
Master of Computer Applications -
SRM Institute of Science And Technology
Chennai06.2021
Skills
Programming Languages – Java, JavaScript, TypeScript
Frameworks – Spring Boot, Hibernate, NodeJS, Apollo, GraphQL
Database Technologies – PostgreSQL, Oracle DB, MongoDB
Cloud Platforms – AWS (S3, EC2), Azure Functions
Microservices – Design, Implementation, and Deployment
Development Tools – Git, Docker, Jenkins, Github Actions, DevOps
Development Practices – Agile, TDD, CI/CD
Certification
Spring Boot – Udemy
Timeline
Software Developer
Tata Consultancy Services
01.2025 - Current
Backend Developer
Bloomlync Technology
08.2021 - 01.2022
Software Intern
Oracle Cerner
10.2020 - 06.2021
IoT Intern
Amtex Systems
05.2017 - 07.2017
Master of Computer Applications -
SRM Institute of Science And Technology