Hi! I'm Harjit Singh Brar, a passionate software engineer with extensive experience in backend development, microservices, and MLOps. I've worked extensively with Java, Python, and various modern frameworks and tools to build scalable and efficient applications. I enjoy solving complex problems, mentoring colleagues, and am always eager to learn new technologies. Over the years, I've contributed to several projects involving data pipelines, ELT workflows, streaming services, and batch processing. I'm detail-oriented and enjoy optimizing algorithms and building well-structured software solutions. Outside coding, I participate in local algorithm proficiency tests and engage in hackathon events to continually sharpen my skills.

Harjit Singh Brar

Hi! I'm Harjit Singh Brar, a passionate software engineer with extensive experience in backend development, microservices, and MLOps. I've worked extensively with Java, Python, and various modern frameworks and tools to build scalable and efficient applications. I enjoy solving complex problems, mentoring colleagues, and am always eager to learn new technologies. Over the years, I've contributed to several projects involving data pipelines, ELT workflows, streaming services, and batch processing. I'm detail-oriented and enjoy optimizing algorithms and building well-structured software solutions. Outside coding, I participate in local algorithm proficiency tests and engage in hackathon events to continually sharpen my skills.

Available to hire

Hi! I’m Harjit Singh Brar, a passionate software engineer with extensive experience in backend development, microservices, and MLOps. I’ve worked extensively with Java, Python, and various modern frameworks and tools to build scalable and efficient applications. I enjoy solving complex problems, mentoring colleagues, and am always eager to learn new technologies.

Over the years, I’ve contributed to several projects involving data pipelines, ELT workflows, streaming services, and batch processing. I’m detail-oriented and enjoy optimizing algorithms and building well-structured software solutions. Outside coding, I participate in local algorithm proficiency tests and engage in hackathon events to continually sharpen my skills.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate

Language

English
Advanced

Work Experience

Software Engineer at Ascendion (Collabera Digital)
May 31, 2025 - August 21, 2025
Developed a batch validation service for transaction report files using Spring and Kafka triggered by cronjobs, integrated services for on-prem Prometheus and configured Grafana dashboards for real-time monitoring and observability. Refactored legacy RESTful microservices to Spring WebFlux and Spring OpenFeign to improve maintainability and scalability. Conducted performance testing and deployed services to Kubernetes clusters. Migrated Mulesoft microservices into Java + Spring Boot and deployed them in Kubernetes clusters using ArgoCD.
Associate Software Engineer at Samsung Research and Development Philippines
September 30, 2022 - August 21, 2025
Developed REST services featuring CSV export/import and long polling using Node.js and Express. Reverse-engineered and refactored data pipelines in Scala. Created REST services for Big Data products using Java 8 and Spring Boot and led POCs for refactorization projects using Java 11, Spring Boot, and MyBatis. Implemented Python scripts for validating CSV data for data engineering pipelines using Pandas, designed ERDs, and wrote unit tests using Mockito and JUnit. Co-authored a patent and performed exploratory data analysis projects. Also developed a navigation algorithm for a local robot hackathon and mentored colleagues on algorithms.

Education

Bachelor of Science Computer Science at University of Santo Tomas
July 1, 2014 - June 30, 2018

Qualifications

Problem solving professional level - Samsung Research and Development Philippines Local certificate
January 1, 2022 - August 21, 2025
FE certificate - PhilNITS
January 1, 2018 - August 21, 2025
Cum Laude - University of Santo Tomas (UST)
January 1, 2018 - August 21, 2025
Best Thesis - College of Information and Computing Sciences, UST
January 1, 2018 - August 21, 2025

Industry Experience

Software & Internet, Professional Services, Manufacturing, Education

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate