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Sakthivel Balakrishnan

Full Stack Developer with nearly 6 years of professional experience building enterprise microservices applications effectively providing Enterprise Industries solve the problem with more efficient and effective solutions with ReactJS, Java, Spring Boot and microservice technologies utilising GCP & CICD best practices. Well versed in analysis, design, development and testing of Enterprise applications using JAVA, Spring Boot as Core Technologies.

  • Role

    Full Stack Developer

  • Years of Experience

    7.3 years

  • Professional Portfolio

    View here

Skillsets

  • Microservices
  • REST
  • Pivotal Cloud Foundry
  • BuildKite
  • Spring Test
  • Spring Security
  • Spring Data JPA
  • Spring Batch
  • Postman
  • PostgreSQL
  • Oracle
  • MySQL
  • Mockito
  • Java - 6 Years
  • Kubernetes
  • JUnit
  • HTML5
  • GraphQL
  • Docker
  • CSS3
  • Azure DevOps
  • Angular
  • react - 2 Years
  • Jenkins - 2 Years
  • Spring Boot - 6 Years

Professional Summary

7.3Years
  • Jan, 2026 - Present 7 months

    Full Stack Developer

    Freyr Technologies
  • Mar, 2025 - Dec, 2025 9 months

    Full Stack Developer

    Wayfair
  • Oct, 2023 - Mar, 20251 yr 5 months

    Full Stack Developer

    Walmart Global Technologies
  • Jan, 2019 - May, 2019 4 months

    Contractor

    Cognizant Technology Solutions
  • May, 2019 - Apr, 20211 yr 11 months

    Back-end Developer

    Cognizant Technology Solutions
  • Jun, 2021 - Sep, 20232 yr 3 months

    Full Stack Developer

    NielsenIQ

Applications & Tools Known

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    Java

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    Spring Boot

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    microservices

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    React Native

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    Angular

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    ReactJS

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    GraphQL

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    Azure Devops

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    PCF

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    Zipkin

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    GCP

Work History

7.3Years

Full Stack Developer

Freyr Technologies
Jan, 2026 - Present 7 months
    Leading full stack development of enterprise applications using Java, Spring Boot, React, and Angular. Architecting secure, scalable microservices and RESTful APIs for cloud-native solutions. Developing & maintaining CI/CD pipelines to streamline software delivery & deployments. Collaborating with cross-functional teams to deliver high-quality, business-driven solutions. Driving application modernization by enhancing system performance and scalability.

Full Stack Developer

Wayfair
Mar, 2025 - Dec, 2025 9 months
    Developed new features for the Admin Sales Suite using Java, Spring Boot, and React. Built and deployed scalable Spring Boot microservices on AWS. Implemented automated CI/CD pipelines using Buildkite for faster, reliable releases. Developed a secure user impersonation module with Spring Security and OAuth2. Managed production incidents and optimized application stability and performance.

Full Stack Developer

Walmart Global Technologies
Oct, 2023 - Mar, 20251 yr 5 months
    Designed and developed Spring Boot microservices for employee benefits applications. Built high-volume batch processing solutions using Spring Batch and Java. Modernized legacy applications into cloud-native microservices architecture. Developed Angular components and REST APIs for enterprise platforms. Optimized back-end services to improve application performance.

Full Stack Developer

NielsenIQ
Jun, 2021 - Sep, 20232 yr 3 months
    Developed scalable microservices & enterprise applications using Java, Spring Boot & React. Built RESTful APIs to support large-scale retail data collection platforms. Automated application deployments using Jenkins and AWS-based CI/CD pipelines. Designed back-end solutions to improve data processing and application reliability. Collaborated with cross-functional teams to deliver high-quality software solutions.

Back-end Developer

Cognizant Technology Solutions
May, 2019 - Apr, 20211 yr 11 months
    Designed and tested Spring Boot applications for the American Airlines Pilot Trade System, improving pilot scheduling operations. Built a scalable data transfer microservice for PepsiCo, consolidating high-volume data from multiple sources into a centralized repository. Automated CI/CD pipelines using Jenkins and implemented pipeline-as-code practices for reliable deployments. Delivered enterprise-grade microservices with a focus on scalability, performance.

Contractor

Cognizant Technology Solutions
Jan, 2019 - May, 2019 4 months
    Architected enterprise microservices for the 7-Eleven Enterprise Platform using Spring Boot and Pivotal Cloud Foundry (PCF). Developed chunked data transfer solutions for efficient processing of large-scale data. Collaborated with cross-functional teams to deliver scalable backend solutions within project timelines.

Achievements

  • Patent : http://ipindia.gov.in/writereaddata/Portal/IPOJournal/1_4785_1/Part-1.pdf (201841045042)

Major Projects

4Projects

Freya Fusion Submission

    Built a secure data submission platform using Java 17, Spring Boot, React, OAuth2, and Microservices. Modernized the Fusion Submission platform.

Konnectco

    Developed scalable back-end microservices, PostgreSQL database schemas, and REST APIs using Spring Boot. Delivered the back-end infrastructure on schedule.

Admin Sales Suite

    Developed a secure user impersonation module using Java, Spring Security, OAuth2, and React. Reduced global support ticket resolution time by 15%.

Nextgen Beneficiary Online

    Modernized a legacy application into Spring Boot microservices with Redis and REST APIs. Improved processing efficiency by 20%.

Education

  • B.Tech. (CSE)

    SRM Institute of Science & Technology (2019)

Interests

  • Technology Research