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Sagar Vashnav

@sagarvashnav

Software developer specializing in Java backend systems and scalable event-driven architectures | Java 17, Spring Boot, Microservices, AWS |

India

Message

What I'm looking for

Expert in Java 8/11/17, Spring Boot, Microservices & AWS. Specialized in Fintech & HealthTech systems, PostgreSQL optimization, and Kafka event-driven design. Skilled in System Design (LLD/HLD), Docker, K8s, Redis & Spring Security. Passionate about AI-driven development.

I am a backend software engineer focused on building secure, scalable Java-based systems and event-driven architectures. I have hands-on experience improving platform security, reliability, and performance through pragmatic engineering.

At Starhealth Insurance I redeveloped and integrated Spring Boot authentication systems, implemented Kafka messaging for asynchronous workflows, and integrated SonarQube to reduce bugs and improve code quality. My work contributed to measurable gains in user adoption, retention, and processing efficiency.

I built high-throughput services such as a File Processor Service that processes 100k+ documents per month and a Single Sign-On application supporting SAML 2.0 and multiple external identity providers. I emphasize testability, CI/CD automation, and non-blocking, fault-tolerant pipelines.

I am proactive in open-source and community programs, with mentorship and patent experience, and I continually sharpen my skills in system design, data structures, and cloud-native tooling to deliver reliable production systems.

Experience

Work history, roles, and key accomplishments

Current

Software Development Engineer

Current

Starhealth Insurance

Aug 2024 - Present (1 year 7 months)

Redeveloped Java Spring Boot authentication systems and integrated event-driven Kafka flows, improving user adoption by 20% and reducing bugs by 30% through SonarQube-driven quality improvements.

Java Spring Boot Kafka SonarQube REST APIs Microservices

Software Development Intern

Starhealth Insurance

Mar 2024 - Aug 2024 (5 months)

Developed and deployed Keycloak-based SSO supporting OAuth2/OpenID Connect across 40+ apps, cutting login efforts by over 60% and driving test-covered, clean-code integration with services.

Keycloak Java OAUTH2 OpenID Connect Junit Mockito

Education

Degrees, certifications, and relevant coursework

K.R. Mangalam University

Bachelor of Technology, Computer Science and Engineering

2020 - 2024

Grade: CGPA: 8.45

Activities and societies: Mentor and organizer for HACK KRMU 2.0; Linux Kernel mentee (LFX Fall'23); patent on decentralized identity for refugees; Dan Kohn Scholarship recipient.

Completed a Bachelor of Technology in Computer Science and Engineering with a CGPA of 8.45, focusing on software engineering, distributed systems, and cloud-native technologies.