Sabar
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    • Sabarinathan K S

    Backend Software Engineer with 3 years building scalable cloud-native microservices and REST APIs for healthcare platforms. Skilled in distributed systems, SQL/NoSQL, and Azure DevOps CI/CD; supported 100,000+ member records and earned Rookie of the Year 2025 for integration excellence.

    Projects

    Core Integration Layer (CIL) & Engage Cost Estimator (ECE)

    a scalable healthcare integration platform with secure REST APIs, cloud deployments, Azure DevOps automation, and backend performance optimization supporting 100,000+ member records.

    Stack
    • Azure DevOps
    • REST
    • Healthcare
    • Cloud

    Sabar-ETH

    Using React, Solidity, MetaMask you'll able to Transfer your Ethereum CryptoCurrency Through this Web Application - ETH.

    Stack
    • Metamask
    • Javascript
    • React
    • solidity

    Professional Experience

    Cognizant Technology Solutions (TriZetto, Healthcare Domain)


    Software Engineer - Java Backend | Chennai, India | 09/2023 – Present

    Sole backend engineer owning two enterprise healthcare systems, Core Integration Layer (CIL) and Engage Cost Estimator (ECE), supporting 100,000+ member records in distributed payer environments.

    Key achievements:

    • Built Java 11/Spring Boot microservices with 15+ REST APIs for healthcare cost estimation and member management.
    • Integrated Facets and QNXT platforms with secure REST contracts, cutting cross-system errors by 35%.
    • Automated Azure DevOps CI/CD across INT/QA/PAT/PERF, reducing manual deploy effort 40% and enabling zero-downtime releases.
    • Optimized JPA/Hibernate and SQL queries for MySQL/PostgreSQL, improving throughput 25% on high-volume record processing.
    • Delivered full SDLC ownership across 10+ quarterly Agile releases and resolved Maven build issues to reduce failures 30%.

    Technologies used:

    Java 11
    Spring Boot
    Spring MVC
    Spring Data JPA
    Hibernate
    MySQL
    PostgreSQL
    MongoDB
    Azure DevOps
    Git
    Swagger
    Postman
    REST APIs
    Microservices
    Facets
    QNXT

    TimeLine

      2019

      Started Engineering Journey

      2020

      Enhanced my Web Skills

      2021

      Open Source Contributor

      2022

      Graduated, Joined Cognizant

      2024-2026

      Healthcare's Backend Software Engineer

     RESUME

    Personal Achievements

    7+

    Open Source Projects

    35795+

    Hackerrank Community

    55+

    Increased user experience scores by 55% for Vcet web