Backend engineering
Java 17/21/25 · Spring Boot · Spring MVC · Spring Data JPA · Hibernate · REST APIs · OpenAPI
Resume
Basil N G
Staff Engineer | Senior Java Backend Engineer
Staff Engineer and Java backend specialist with 8+ years of experience building secure, resilient and scalable backend systems for payment, financial and enterprise platforms.
Technical skills
Distributed systems
Microservices · Event-driven architecture · Kafka · RabbitMQ · Resilience4j · Transactional outbox · Idempotency
Data and performance
PostgreSQL · MongoDB · Redis · SQL tuning · JVM tuning · JMeter · Flyway
Security and platform
Spring Security · OAuth2/OIDC · JWT/JWKS · AWS · Podman/Docker · Kubernetes · GitHub Actions · Prometheus/Grafana
Professional experience
Staff Engineer · Altimetrik
Jul 2024 - Present
- Own backend delivery for Java and Spring Boot payment services covering REST integrations, reconciliation, AWS messaging and storage.
- Integrated a payment gateway that reduced payment failures by 25% and improved transaction reliability.
- Validated workloads above 50,000 concurrent users, identified bottlenecks and improved throughput by 30%.
- Automated reconciliation through AWS Batch and Lambda, restoring 99.9% master-data consistency and reducing processing time by 70%.
- Modernised AWS SDK integrations and enforced IMDSv2 to improve throughput and remove metadata-service exposure.
Senior Developer · SubscribeIT
Aug 2021 - May 2024
- Re-engineered a legacy payment-processing platform as Spring Boot microservices and REST APIs, reducing processing time by 30%.
- Led an eight-engineer team delivering an algorithmic financial platform that exceeded previous benchmarks by 15%.
- Migrated critical banking services to AWS-oriented deployment patterns, lowering infrastructure cost by 25% and shortening release cycles by 40%.
- Established GitHub Actions pipelines that increased deployment frequency by 300%.
- Optimised JVM garbage collection, SQL access paths and latency-sensitive code, reducing peak response time by 20%.
Business Technology Analyst · Deloitte
Feb 2021 - Aug 2021
- Delivered Java microservice and REST enhancements while preserving API validation and error-handling standards.
- Created unit and service tests that reached 95% coverage and improved regression protection.
- Used chaos testing and Splunk diagnostics to validate recovery paths and resolve production defects.
- Mentored junior engineers on setup, debugging and testing practices.
Software Engineer · Zerone Consulting
Sep 2018 - Jan 2021
- Built enterprise Java backend services, REST/SOAP integrations and data-processing applications.
- Developed Hadoop and AWS EMR processing workflows to improve throughput and reduce storage cost.
- Automated Linux deployment tasks with shell scripting and improved maintainability using modern Java practices.
Education
Master of Computer Application · Computer Science
Sree Narayana Gurukulam College of Engineering, Ernakulam, Kerala, India
Sep 2015 - Dec 2018
Bachelor of Computer Application · Computer Science
Indira Gandhi College of Arts and Science, Kothamangalam, Kerala, India
Jun 2012 - Mar 2015