Senior Lead Engineer - Microservices & Azure
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Mugalivakkam, Chennai
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BARATHKUMAR
S e n i o r L e a d E n g i n e e r
Solution-oriented Senior Technology Leader with 14+ years of experience in designing scalable enterprise applications, leading cross-functional teams, and delivering complex solutions in Banking & Financial Services. Proven expertise in Microservices Architecture, Cloud (Azure), Distributed Systems, and API-driven ecosystems. Strong track record in solution design and end-to-end delivery ownership, with hands-on experience in modern engineering practices and Agile environments. Experience
Architected and engineered scalable post-trade microservices encompassing settlement, reconciliation, and custody, optimizing end-to-end trade lifecycle workflows.
Redesigned transaction processing pipelines and refined core system architecture, significantly enhancing data ingestion reliability, operational throughput, and fault tolerance.
Led cross-functional engineering initiatives, translating complex business requirements from product stakeholders into highly available, performant technical solutions.
Spearheaded the integration of AI-assisted development (GitHub Copilot) across the SDLC, utilizing advanced prompt engineering to automate boilerplate coding, synthesize test suites, and accelerate microservice delivery. Accelerated developer velocity and code maintainability by embedding LLM- driven workflows into the engineering lifecycle for automated code reviews, rapid debugging, and dynamic documentation generation. Designed and implemented resilient event-driven architectures leveraging asynchronous messaging patterns, improving system scalability and decoupling services.
Relevantz Senior Lead Engineer March 2025 - Present MNM Jain Engineering College
PV Polytechnic College
B.TECH IT
Diploma in Computer Engineering
2007 - 2011
2005 - 2007
Expertise
Java/J2EE, Spring Boot, WebFlux,
JPA, Microservices, REST/SOAP
UI: HTML, CSS, JavaScript, Angular
(Basics), JSP
Messaging: Kafka, IBM MQ
Database: Oracle, DB2, SQL Server
GraphQL
Cloud: Azure, PCF
CI/CD: Jenkins, GitHub
Testing: JUnit
Architecture: System Design, Event-
Driven Patterns
Performance Optimization &
Scalability
DBS Singapore l Software Consultant March 2023 - March 2025 Architected and deployed highly scalable, fault-tolerant enterprise systems, ensuring strict adherence to stringent banking regulations, security protocols, and data governance standards.
Served as the Lead Solution Owner, steering end-to-end system design, complex enterprise integrations, and translating overarching business requirements into robust technical blueprints.
Orchestrated the concurrent delivery of mission-critical engineering initiatives, directing cross-functional technical pods to execute complex SDLC pipelines within strict timeline and budget parameters.
Spearheaded system refactoring and infrastructure optimization strategies, significantly improving application throughput and reducing latency while driving down operational expenditures (OpEx).
Implemented high-availability and disaster recovery strategies, ensuring business continuity for critical banking applications. Drove data consistency and integrity improvements across distributed systems using transactional design and reconciliation frameworks. Designed scalable integration patterns for legacy-to-modern system transitions, enabling seamless digital transformation initiatives. Mentored junior engineers and conducted technical knowledge-sharing sessions, strengthening overall team capability and delivery quality. Participated in performance analysis, design, development and testing. Reviewed code and debugged errors to improve performance. Designed, developed and implemented software applications for website based on analyzed requirements and understanding of industry technical standards. Troubleshot various software issues by using debugging processes and coding techniques.
Participated in requirements gathering and design development meetings. Determined coding requirements for specialized scripts. Worked with business teams to understand needs and address production questions.
E&Y GDS Senior Technical Lead Mar 2021 - Dec 2022 Scrum Master-CSM
AZ-900 Azure Fundamentals
Certification
TCS l Assistant Consultant Jan 2018 - Mar 2021
HCL Technologies l Lead Engineer Apr 2016 - Jan 2018 Wipro Technologies l Senior Project Engineer May 2012 - Apr 2016 Involved in all phases of application development which involved requirements management, application design along with FR walk-through & OPPM finalization and development & testing.
Created application design and multi-tiered architecture for all the systems. Developed and maintained application REST services using Web API. Technical standpoint for the implementation of requirements. Troubleshoot live issues and provide necessary workaround/fix. Involved in developing UTR, Technical Design, SIA/RSC/CRW & Release Check-List preparations for Production, Production and COB Support. Technical Leadership – Lead, coach, task manage, technical plan, and mentor team members and morejunior engineers.
Writing JUNIT cases & have knowledge with Mockito tool, Sonar Integration for code-coverage, Black-Duck integration for Vulnerability findings. Creates application design and multi-tiered architecture. Propose ideas, process change (if required) getting feedback from customer to improve the existing system(s) activities.
Troubleshoot live issues and provide necessary workaround/fix. Provide technical leadership to the team of developers working in onshore- offshore model using respective development practices. Build profile-based screens for different user types in MVC pattern using latest front-end technologies.
Involved in all phases of application development which involved requirements management, application design and development & testing. Developed and maintained application SOAP services using Web API. Developed and maintained batch jobs for the application workflow. Involved in developing UTR, Technical Design, SIA, Production and COB Support.
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