Tarun LNU
Technical Lead and Senior Software Engineer with 12+ years of Global Delivery Experience. Expertise in Java, Spring Boot, Microservices, Kafka, RabbitMQ, React, JavaScript, Distributed Systems, AWS, Docker, and CI/CD
Bangalore, India
#OpenToWork
About
Technical Lead with 12+ years of global delivery experience in the USA, Kuwait, Japan, and India. Expertise in Java, Spring Boot, Microservices, Distributed Systems, and AWS in building high-throughput, fault-tolerant distributed systems for e-commerce platforms.
Experienced in leading cross-functional teams of 8–15 engineers, including 40% scalability improvements, maintaining 99.9%+ platform availability, 30% lower latency, and 25% higher throughput across SaaS, banking, insurance, and e-commerce platforms.
What I'm looking for
As a tech lead, I have owned systems end-to-end, mentored teams of 8–15 engineers, and partnered closely with product, QA, and business stakeholders to deliver production-grade platforms. I focus on writing clean, maintainable code, setting engineering standards, and building systems that are reliable, scalable, and easy to evolve.
Experience
Technical Lead
Dec 2023 – Present
Led a cross-functional engineering team of 8–15 developers, delivering enterprise-grade microservices while owning architecture, technical direction, and production delivery.
Spearheaded migration of legacy monolithic applications into cloud-native microservices architectures, reducing deployment cycle time by 35% and significantly lowering technical debt.
Architected scalable REST APIs and API Gateway solutions, reducing API latency by 25% and improving service reliability across distributed systems.
Designed event-driven architectures with Apache Kafka, increasing platform scalability by 40% to support peak transaction volumes.
Designed and delivered high-performance Java 17 and Spring Boot microservices processing 10k requests per second (RPS) while maintaining 99.9%+ platform availability.
Developed AI-powered enterprise HR solutions using Spring AI, LLMs, RAG, and MCP, enabling context- aware conversations while reducing AI hallucinations by approximately 60%.
JavaSpring BootApache Kafka
HRize LLC
Technical Lead
Dec 2023 – Present
• Led a cross-functional engineering team of 8–15 developers, delivering enterprise-grade microservices while owning architecture, technical direction, and production delivery.
• Spearheaded migration of legacy monolithic applications into microservices architectures, reducing deployment cycle time by 35% and significantly lowering technical debt.
• Built event-driven architectures with Apache Kafka, increasing platform scalability by 40% to support peak transaction volumes.
MicroservicesApache KafkaDistributed Systems
HRize LLC.
Sr. Java Developer
May 2023 – Nov 2023
• Led backend development for a high-volume e-commerce platform integrating inventory, order management, and third-party vendor ecosystems.
• Refactored legacy applications using SOLID principles and design patterns, improving maintainability, extensibility, and code quality.
• Built secure, multi-tenant REST APIs using OAuth2, Okta, and Spring Security, ensuring enterprise-grade authentication and authorization.
JavaSpring BootAWS
J.M.T. Al-Ghanim & Sons Co.
Senior Software Engineer
Jun 2022 – Jan 2023
• Delivered asynchronous messaging workflows using RabbitMQ, improving distributed data synchronization by 20%.
• Created scalable REST APIs, reducing API latency by 25% and improving service reliability across distributed systems.
• Increased test coverage from 45% to 92% through automated unit and integration testing (JUnit/Mockito), reducing production defects by 15% and accelerating release cycles from bi-weekly to weekly delivery.
RabbitMQJUnitDocker
DealerSocket India Pvt. Ltd.
Senior Consultant
Feb 2019 – May 2022
• Developed secure, high-throughput REST APIs with sub-second response times for mission-critical financial applications.
• Improved application throughput by 25% through JVM tuning, performance profiling, and database optimization.
JavaAzureMicroservices
MSG Global Solutions
Senior Engineer
Oct 2016 – Jan 2019
• Designed and deployed robust REST APIs for real-time data ingestion and processing using Spring Boot and Spring Data JPA for international engineering clients.
• Created modernization of legacy financial systems into Java microservices, improving deployment frequency, resilience, and scalability.
Spring BootSpring Data JPAREST APIs
L&T Technology Services
Senior Software Engineer
Apr 2015 – Jun 2016
• Developed scalable backend modules for web-based enterprise applications using Core Java, Spring MVC, and Hibernate/JPA.
• Collaborated with frontend developers to integrate RESTful APIs, ensuring end-to-end functionality and consistent data contracts.
JavaSpring MVCHibernate
XcelNow Solution
Software Developer
Jul 2012 – Jul 2014
• Designed and implemented application features using Java and Object-Oriented Programming principles.
• Designed database schemas and wrote complex SQL queries for reporting modules.
JavaOOPSQL
Fantabulous Technologies Pvt. Ltd.
Education
Sri Sukhmani Institute of Engineering & Technology
Bachelor of Technology (B.Tech) · Computer Science and Engineering
2008 – 2012
Sri Sukhmani Institute of Engineering & Technology
Bachelor of Technology · Computer Science and Engineering
2008 – 2012
Certifications
Generative AI Certification
Outskills
Sep 2025 – No expiry
Skills
ScalibilityDistributed SystemSpring AIGrafanaPrometheusMockitoJUnitKeycloakOAuth 2.0RedisPostgreSQLDockerAzureAWSReactRabbitMQApache KafkaMicroservicesSpring BootJava