Sabashan Baladevan
Auckland CBD
Summary
A seasoned Software Engineer with over 8+ years of software engineering industry experience, specializing in Microservice Architecture, Spring Boot & Java. Strong hands-on skills in web application development, RESTful APIs, event-driven design, and AWS. Proven success in leading engineering teams, designing scalable, secure solutions, and implementing best practices in cloud and application security. Passionate about delivering high-quality, impactful software in fast-paced, agile environments.
Overview
11
11
years of professional experience
Work History
Specialist Software Engineer
Pearson
04.2024 - 01.2025
- Design and implementation of a microservice architecture for a digital education integration platform.
- Enhanced platform performance, security, and scalability by implementing features such as Simplified User Access, Launch Darkly, Message Queues, Circuit Breaker and Query Optimization.
- Lead the deployment of the platform using Docker and GitLab CI/CD pipelines on ECS.
- Collaborate with cross-functional teams in an agile environment to deliver high-quality software solutions.
- Develop RESTful APIs and event-driven architecture to support seamless data exchange between services.
- Implemented Web Application Firewall (WAF) solutions to protect applications from common web exploits and vulnerabilities, improving overall security posture.
- Tech stack: Java, Spring Boot, Maven, Mongo Atlas, Kafka, Elastic Search, ECS, Lambda, Secret Manager, WAF, GitHub Copilot
Associate Specialist Software Engineer
Pearson
04.2021 - 03.2024
- Led the engineering team and architecture design for a widely used digital education integration platform.
- Designed and implemented Java-based software solutions to meet business requirements, ensuring code quality and maintainability.
- Collaborated with cross-functional teams to develop and integrate components using Spring Boot, enhancing the user experience.
- Worked closely with AWS experts to optimize microservice architecture and take advantage of cloud-native services for cost-efficiency and scalability.
- Successfully delivered software projects on time and within budget, exceeding customer expectations.
- Mentored junior developers and conducted code reviews to maintain code quality and knowledge sharing.
- Tech stack: Java, Spring Boot, Maven, Mongo Atlas, Kafka, Elastic Search, Security Group, EC2, ECS, Junit
Senior Software Engineer
Pearson
04.2019 - 03.2021
- Collaborated with cross-functional teams to gather and analyse requirements, design software solutions, and implement features.
- Implemented RESTful APIs to facilitate communication between front-end and back-end systems.
- Successfully migrated a complex microservices architecture from Kubernetes to Amazon ECS to enhance scalability, performance, and cost-efficiency.
- Worked with various databases, including MongoDB and MySQL to store and retrieve data efficiently.
- Developed and maintained unit and integration tests using JUnit and TestNG, applying testing methodologies such as unit testing, acceptance testing, Test-Driven Development (TDD), and Behavior-Driven Development (BDD) to ensure high code quality and functionality.
- Pioneered automated deployment pipelines using Jenkins, decreasing software release cycles by 40% and enabling weekly releases, which improved time to market for critical features and bug fixes.
- Troubleshot and resolved issues promptly, ensuring minimal downtime.
- Tech stack: Java, Terraform, AWS Cloud Formation, Spring Boot, Mongo BD, React JS, Redux, JUnit, Mockito, Swagger
Software Engineer
Pearson
10.2017 - 03.2019
- Developed and maintained Java-based applications, ensuring optimal performance, reliability, and security.
- Designed and developed an announcement system in the Portal, enabling two types of messages: broadcast messages (ticker-style on the homepage) and general announcements targeted at specific courses.
- Implemented responsive and dynamic frontend components with ReactJS and Redux to display real-time announcements and ensure a seamless user experience.
- Leveraged DynamoDB for fast, scalable storage of message metadata and targeting information, optimizing read/write operations for performance.
- Integrated role-based access control to ensure that only authorized users could create or manage announcements.
- Collaborated cross-functionally with product and UX teams to ensure announcements were non-intrusive yet visible and useful for end-users.
Software Engineer
Xcendant
10.2014 - 09.2017
- Integrated SSO for seamless and secure access across different modules of the academic system.
- Developed custom reports using Jasper Reports to provide insights and analytics for administrative users.
- Optimized database interactions using Hibernate ORM, and performed schema design and query tuning in MySQL.
- Collaborated with stakeholders to gather requirements and translate them into functional software components.
- Participated in regular code reviews and unit testing to maintain high code quality and adhere to development standards.
Trainee Software Engineer
WSO2
04.2014 - 09.2014
- Developed a cloud connector to integrate Google Custom Search API with Enterprise Service Bus (ESB).
- Implemented seamless communication between WSO2 ESB and external APIs to retrieve and process search results.
- Created connector logic to handle API authentication, request formatting, and response parsing.
- Delivered reusable and configurable components to support multiple use cases within the ESB environment.
- Developed a cloud based web application using JAX-RS RESTful Web Services following the MVC pattern.
- Utilized Jersey framework for REST API development and MySQL as the database backend.
Education
B.Sc. (Hons) - Information Technology
Skills
- JAVA
- ReactJS
- Spring Boot
- Hibernate
- AWS
- Mongo Cloud
- GitLab
- Jenkins
- Nexus
- Docker
- Kubernetes
- ECS
- SNYK
- Qualys
- Insight AppSec
- React
- TypeScript
- MongoDB
- MySQL
- IntelliJ IDEA
- VS Code
- SonarQube
- Jacoco
- Checkstyle
- GIT
- Cloud Watch
- New Relic
- Grafana
- AppDynamics
- Monza
- PagerDuty
- ServiceNow
- Agile Development
- Scrum
- Atlassian Jira
- Confluence
Websites
Personal Information
Title: Software Engineer
Timeline
Specialist Software Engineer
Pearson
04.2024 - 01.2025
Associate Specialist Software Engineer
Pearson
04.2021 - 03.2024
Senior Software Engineer
Pearson
04.2019 - 03.2021
Software Engineer
Pearson
10.2017 - 03.2019
Software Engineer
Xcendant
10.2014 - 09.2017
Trainee Software Engineer
WSO2
04.2014 - 09.2014