Ashwin

About the Candidate

 

ASHWIN R

Technical Lead

7200107913 | [email protected] | Chennai, India | [LinkedIn Profile]

Dynamic Technical Lead with 12 years of experience driving innovation in software development. Expert in Java, Python, Spring Boot, and AWS, leveraging CI/CD pipelines, microservices, and system design to deliver scalable, secure solutions. Skilled in Agile methodologies, mentoring teams, and implementing automation frameworks to ensure high-quality deliverables. Adept at solving complex challenges, optimizing performance, and fostering a culture of continuous improvement in fast-paced environments.

SKILLS

● Programming Languages: Java (8, 17), Python 3, Go

● Frameworks: Spring Boot, Spring Security, Spring Cloud, Resilience4j

● Cloud Technologies: AWS (EC2, S3, KMS, DynamoDB, Lambda, CloudFormation, SQS, SNS, RDS), OpenShift, Kubernetes

● DevOps & CI/CD: Jenkins, Docker, Terraform, Git, Maven

● System Design: SAGA, Circuit Breaker, Factory, Singleton, Abstract Factory, SOLID Principles

● APIs & Messaging: REST, gRPC, RabbitMQ, MQ Middleware (Pub/Sub)

● Tools & Methodologies: Agile, Scrum, JUnit, Selenium, Cucumber, Jira, Confluence

● Networking: iptables, firewall-d, pre-routing, post-routing

 

EXPERIENCE

Hexaware Technologies, Chennai

Technical Lead 04/2024 – Present

● Upgraded microservices from Spring Boot 2.x to 3.x, reducing latency by 15% and enhancing scalability.

● Achieved PCI compliance by resolving 100% of vulnerabilities from GitHub scans, strengthening security posture.

● Designed and developed REST APIs for lodging systems, integrating third-party fax and mail libraries, processing 5,000+ daily transactions.

 

 

 

● Implemented AWS KMS for encryption, securing sensitive data across 3 applications with zero breaches.

● Optimized DynamoDB queries, reducing data retrieval time by 25% while ensuring data integrity.

● Idempotent payment processing using Redis-based locking.

● Retry mechanism and circuit breaker with Resilience4j.

● Designed and implemented RESTful APIs for payment initiation, verification, and status inquiry

● Integrated third-party payment gateway SDKs using OpenFeign clients

● Implemented transaction consistency using the Saga pattern

● Developed and deployed RESTful APIs to handle payment initiation, verification, and status inquiries.

● Integrated third-party payment gateway Software Development Kits (SDKs) utilizing OpenFeign clients.

● Ensured transaction consistency by implementing the Saga pattern.

● Deployed applications on OpenShift and Kubernetes, improving resource utilization by 30%.

● Automated batch processing with Spring Batch and S3, cutting processing time by 20% and saving 10 hours weekly.

● Mentored 8 junior developers, boosting team productivity by 30% through code reviews and Agile training.

 

Intelsat, Chennai

Senior Software Development Engineer 03/2022 – 04/2024

● Led feature grooming with High-Level (HLD) and Low-Level (LLD) designs, delivering 12+ features on PI commitments.

● Implemented gRPC for microservice communication, reducing inter-service latency by 40%.

● Developed RabbitMQ-based pub/sub queue services, enabling seamless communication for 15+ microservices.

● Managed a team of 6, resolving 95% of Jenkins pipeline issues within 4 hours, ensuring zero deployment delays.

● Built Go-based applications, improving system performance by 20% for high-traffic services.

● Enhanced networking expertise in iptables and firewall-d, securing 5+ production environments.

● Debugged and resolved critical production issues, reducing downtime by 50% across 3 services.

● Conducted knowledge transfer sessions, onboarding 10+ new joiners with 90% faster ramp-up.

 

Genesys Telecom Labs, Chennai

Senior Software Engineer 10/2017 – 03/2022

● Developed internal tools using Java (SWF workflows) and Python (Step Functions), automating 80% of manual processes.

● Scripted interactions with AWS services (SWF, EC2, S3, DynamoDB, CloudFormation), cutting deployment time by 15%.

● Experience in developing and deploying applications to AWS Cloud environment using JAVA and Spring Cloud Framework

● Experience in developing Rest API’s(CURD Operations)

● Built and deployed REST APIs using Spring Cloud, supporting 10,000+ daily user requests.

● Configured CI/CD pipelines in Jenkins, reducing build times by 25% for 5+ projects.

● Participated in on-call rotations, resolving 90% of production outages within SLAs.

● Applied Java 8 features (Streams, Lambdas) and Spring Security to enhance code efficiency by 20%.

● Involved in on-call rotation to provide crucial support to internal and external teams during production outages

 

Cognizant Technology, Chennai

Associate Engineer 05/2016 – 10/2017

● Automated system integration testing with Selenium and Cucumber, achieving 85% test coverage for cloud applications.

● Developed 50+ test cases for unit, integration, and system testing, ensuring zero critical defects in production.

● Contributed to an automation framework, reducing regression testing time by 30%.

● Hands-on experience on system integration testing, including automation, of newly developed or enhanced applications

● Reviewed requirements and design artifacts, developing unit, integration and system test cases, ensuring extensive test coverage for our cloud application

● Played active role in translating business and functional requirements into concrete deliverables

● Contributed to the Automation development framework & end-end regression

● Writing E2E test scenarios in Selenium with Java using Cucumber- JVM hybrid framework

● Experience in front-end & backend testing

● Hands-on on some automation & CI/CD technologies (e.g UI, services, APIs, Jenkins, Cucumber, Git, JUnit, Jira, etc.)

 

Languages and Tools: Java, Maven, Postman, Test NG, Selenium, Rest API, Jenkins.

HCL Technologies

Lead Engineer, 07/2015 – 05/2016

● Hands-on experience on system integration testing, including automation, of newly developed or enhanced applications

● Reviewed requirements and design artifacts, developing unit, integration and system test cases, ensuring extensive test coverage for our cloud application

● Played active role in translating business and functional requirements into concrete deliverables.

● Contributed to the Automation development framework & end-end regression

● Experienced in mentoring junior Test engineers

● Writing E2E test scenarios in Selenium with Java using Cucumber- JVM hybrid framework

● Experience in front-end & backend testing

● Contributed in estimating, prioritizing, and planning testing activities

● Hands-on in automation & CI/CD technologies (e.g UI, services, APIs, Jenkins, Cucumber, Git, JUnit, Jira, etc.)

 

Languages and Tools: Java, Maven, Postman, Jenkins, TestNG, Selenium, Python, Rest API.

Elpis IT Solutions Pvt Ltd

Quality Engineer, 03/2013 – 07/2015

● Hands-on experience on system integration testing, including automation, of newly developed or enhanced applications

● Reviewed requirements and design artifacts, developing unit, integration and system test cases, ensuring extensive test coverage for our cloud application

● Played active role in translating business and functional requirements into concrete deliverables

● Contributed to the Automation development framework & end-end regression

● Writing E2E test scenarios in Selenium with Java using Cucumber- JVM hybrid framework

● Experience in front-end & backend testing

● Hands-on on some automation & CI/CD technologies (e.g UI, services, APIs, Jenkins, Cucumber, Git, JUnit, Jira, etc.)

 

Languages and Tools: Java, Maven, Postman, Test NG, Selenium, Rest API, Jenkins.

EDUCATION

Vellore Institute of Technology, Vellore Masters in Software Engineering 03/2007 – 05/2012

CERTIFICATIONS

● AWS Solutions Architect – Associate (01/2025)

● Oracle Certified Professional: Java SE Programmer (06/2023)

● AWS Cloud Practitioner (05/2019)