Profile

Balakrishnan S

Backend Software Engineer | ~5 years of professional experience | Bengaluru, India

Hey, I'm a Java Backend Developer specializing in scalable and resilient distributed systems using microservices to solve business challenges. My focus is on designing efficient, high-performance architectures that solve real-world business challenges.

I have a strong passion for writing clean, maintainable code and implementing best practices to ensure system reliability. Always eager to learn, I stay updated with the latest trends in backend development and cloud technologies.

Professional Overview

As part of my current role, I'm working with a Fortune 500 client in the U.S. healthcare sector (medcare domain). This engagement has given me hands-on experience with healthcare data standards such as FHIR and HL7, along with opportunities to collaborate across teams and engage with stakeholders — including the CDC, AIMS and other key industry partners.

Skills

Backend Development

Java 8 Java 11 Java 17 Spring Boot REST APIs Hibernate Spring JPA Spring Cloud Spring Security Microservices GraphQL PostgreSQL MongoDB Redis Apache Kafka JUnit Mockito Docker Kubernetes

Cloud

Azure

Azure Key Vault

Healthcare Domain (USA)

ECR FHIR HL7

Experience

April, 2023 — Present

Product Engineer II · Tekizma India Solutions Pvt Ltd

Designed, developed and maintained backend services using Java and Spring Boot, ensuring scalability and maintainability aligned with business goals.
Built and optimized RESTful APIs, improving data exchange efficiency and reducing average response times.
Worked extensively with PostgreSQL, performing schema design, complex query optimization, and index tuning to enhance database performance.
Implemented Redis caching and background job processing with Kafka, boosting throughput and reducing latency across distributed systems.
Led the migration of a monolithic application to a microservices architecture, improving system scalability, deployment efficiency, and fault isolation.
Integrated Spring Security for robust authentication and Role-Based Access Control (RBAC), strengthening overall application security.
Collaborated with cross-functional teams including frontend and product to ensure seamless integration and high-quality delivery.
Conducted extensive debugging and performance tuning to enhance system reliability and user experience.
Used Docker, Kubernetes and Git for containerized deployments and streamlined release management.
Java 17 Spring Boot Spring Security Apache Kafka GraphQL Redis PostgreSQL Docker Kubernetes

December, 2021 — March, 2023

Software Engineer · RamGenix

Designed and developed RESTful APIs to enhance cross-system communication, reducing bug occurrences by 10% and improving data consistency.
Enhanced authentication mechanisms using JWT, ensuring secure user sessions, preventing unauthorized access, and improving API security across microservices.
Optimized backend services and API performance, leading to a 15% reduction in frontend integration errors and improved system stability.
Built and maintained Angular applications used in production. Implemented reusable components, state management and API integrations
Java 11 Angular MongoDB Spring Boot Spring JPA Redis

March, 2021 — December, 2021

Software Engineer · Time Logic Solutions

Assisted in the design and implementation of backend systems using JAVA, contributing to a 20% improvement in application efficiency and load times.
Collaborated with senior developers to debug and optimize SQL queries, reducing data retrieval times by 25%.
Java 11 Spring Boot REST APIs JUnit

Education

Bachelor of Science (Computer Science)

The Oxford College of Science, Bengaluru — 2019

I’m passionate about building meaningful software and continuously growing as an engineer. If my work aligns with your vision, I’d love to connect and explore potential opportunities.

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