Madhusudhan S
Udupi,India
Summary
Senior Backend Developer (11+ years) specializing in Java (8+), Spring Boot, and microservices architecture. Experienced in system design, API development, and distributed systems with strong expertise in event‑driven architecture (Apache Kafka) and advanced database management (Postgres, MySQL). Skilled in cloud technologies (AWS EC2, S3, RDS, EKS, DynamoDB, CloudWatch) and containerization with Docker.
Proven track record in building secure systems using Spring Security, JWT, encryption protocols (ECDH), and two‑factor authentication. Adept at performance optimization, multithreading, CI/CD pipeline automation, and Agile delivery. Additional experience includes frontend support (AngularJS, Bootstrap) and third‑party API integrations (LinkedIn, Google Maps).
Overview
12
12
years of professional experience
4
4
years of post-secondary education
1
1
Certification
Work history
Senior Software Engineer | Technical Leadership
Wabtec Corporation
Bangalore
2023.07 - 2026.05
- Clients: Norfolk Southern USA, Canadian National Railway
Developed backend services for Precision Dispatch System(PDS) to automate train operations, enhance safety, and optimize rail network efficiency.
Built scalable microservices using Java and CockroachDB(based on Postgres)
Designed APIs and database schemas aligned with business requirements
Enabled inter-service communication using Kafka with optimized schemas and topics
Designed and implemented Apache Camel–based router service for Apache Kafka, improving message routing reliability to 99.99% uptime and optimizing data flow efficiency to handle 100K+ messages per second.
Leveraged AI tools (Copilot) to improve code quality and development speed
Provided technical leadership and resolved complex engineering challenges
Authored unit tests and ensured quality using JUnit and Mockito
Led software development teams for successful project completion.
Integrated AWS CloudWatch metrics, logs, and alarms into microservices, improving incident detection and resolution speed by 30% through proactive monitoring.
Senior Software Engineer
Robosoft Technologies
Udupi, Karnataka
2018.08 - 2023.07
- Clients: NeSL, PayPay(Paytm Japan), Takeda Pharmaceutical, Wise(Fintech), Flipkart, Franklin Templeton Investments
Delivered secure, scalable fintech and investment solutions across global platforms — from digital debt records (NeSL) to mobile payments (PayPay), cross-border transfers (Wise), and enterprise investment systems (Franklin Templeton).
Contributed to development of Clinical Trial Management application for Takeda Pharmaceutical, Japan, ensuring streamlined trial operations and regulatory compliance
Contributed across SDLC phases using Agile and Scrum practices
Built microservices using Spring Boot and Spring Data JPA
Developed REST APIs using Spring Controllers and JSON communication
Implemented DAO layers and CRUD operations using JDBC transactions
Utilized Java Collections for efficient data handling
Wrote unit tests using JUnit and Mockito frameworks
Containerized applications using Docker and created Dockerfiles
Implemented custom and global exception handling mechanisms
Designed and maintained MySQL database schemas
Deployed scalable applications on AWS (EC2, S3, RDS)
Implemented robust server-side cryptographic encryption for sensitive financial data in Account Aggregator platform, ensuring 100% compliance with RBI regulations and safeguarding 10M+ customer records.
Engineered automated CI/CD pipelines with Jenkins, GitHub Actions, and AWS CodePipeline, enabling zero‑downtime deployments and cutting release cycles by 40%.
Implemented AWS EKS clusters with auto‑scaling policies, ensuring resilient microservices and optimized resource utilization.
Software Engineer
Niveus Solutions Pvt. Ltd
Udupi
2014.07 - 2018.07
- Clients: Zwayam Talent Management, Uber like App
- Built backend APIs using Spring Boot and frontend using AngularJS
- Developed SQL queries for CRUD operations and stored procedures
- Implemented DAO-based persistence layers
- Managed builds using Maven
- Implemented server-side pagination for performance efficiency
- Designed UI grids with pagination using Bootstrap
- Integrated frontend services with backend using HTTP GET/POST
Education
BE - Bachelor of Engineering
Visvesvaraya Technological University
Mangalore, Karnataka 2009.08 - 2013.08
Skills
- Core Backend & Architecture: Java 8/21, Spring Boot, Spring Data JPA Microservices Architecture, REST APIs, Distributed Systems System Design, API Design, DB Schema Design
- Messaging & Streaming: Apache Kafka (Producers, Consumers, Schema Design, Topic Management) Event-Driven Architecture, Message Routing
- Databases: Cockroach DB, MySQL SQL (Advanced Queries, Stored Procedures, Transactions)
- Cloud & DevOps: AWS (EC2, S3, RDS, ECS, EKS, CloudWatch, Auto Scaling, Load Balancing) Docker, Containerization Gradle, Maven
- Testing & Quality: JUnit, Mockito Unit Testing, Test Case Design
- Security & Integration: Spring Security, JWT Authentication Encryption (ECDH), 2FA (OTP-based systems) Webhooks, Third-party Integrations (LinkedIn, GAMS APIs)
- Additional Expertise: Multithreading, Performance Optimization Swagger API Documentation Google Maps API PDF Report Generation JSON Kubernetes Git versioning DynamoDB CI/CD pipeline
- Frontend (Supporting): AngularJS, Bootstrap
- Methodologies: Agile, Scrum, SDLC
Certification
AWS Certified Cloud Practitioner
Timeline
Senior Software Engineer | Technical Leadership
Wabtec Corporation
2023.07 - 2026.05
Senior Software Engineer
Robosoft Technologies
2018.08 - 2023.07
Software Engineer
Niveus Solutions Pvt. Ltd
2014.07 - 2018.07
BE - Bachelor of Engineering
Visvesvaraya Technological University
2009.08 - 2013.08