Sonu Kumar

Senior Software Engineer

Bengaluru, Karnataka, India3 yrs 8 mos experience

Highly Stable

Key Highlights

4+ years of experience in Java backend development.
Expertise in Spring Boot and Microservices architecture.
Proven ability to deliver scalable healthcare solutions.

Stackforce AI infers this person is a Backend-heavy Java Developer with expertise in Healthcare and Insurance domains.

Contact

cs2sonu@gmail.com LinkedIn

Skills

Core Skills

Java Backend DevelopmentSpring Boot

Other Skills

Java 17REST APIsPostgreSQLSpring SecurityDockerKubernetesAzure DevOpsGitAgile/ScrumOracle SQLApache KafkaMultithreadingGit/GitHubJIRAAgile

About

Results-driven Java Backend Developer with 4+ years of experience in designing, developing, and deploying scalable applications in Healthcare and Insurance domains. Hands-on expertise in Spring Boot, Microservices, RESTful APIs, Liquibase, and PostgreSQL/Oracle. Strong experience in backend architecture, API design, database versioning, role-based access control (RBAC), and performance optimization. Skilled in event-driven system design using Kafka/RabbitMQ and containerized deployments using Docker and Azure CI/CD pipelines. Proven ability to solve complex backend challenges, write clean and maintainable code, and deliver business-critical solutions in Agile environments. Passionate about backend engineering, system scalability, and continuous learning.

Experience

3 yrs 8 mos

Total Experience

1 yr 8 mos

Average Tenure

3 mos

Current Experience

Ltm

Senior Software Engineer

Feb 2026 – Present · 3 mos · Bengaluru, Karnataka, India · On-site

Alfahive inc.

Java Software Developer

Aug 2025 – Dec 2025 · 4 mos · Bengaluru, Karnataka, India · Hybrid

Job Profile – Java Backend Developer (Alfahive, Healthcare Domains)
Java Backend Developer at Alfahive, I contributed to building and optimizing a Healthcare Management Platform for radiologists, hospitals, and patients. My role involved designing secure, scalable, and high-performance backend services, ensuring compliance with healthcare data standards and efficient user management.
🔑 Responsibilities & Achievements:
● Developed and optimized RESTful APIs using Java (Spring Boot) for managing hospitals, radiologist profiles, user roles, specialties, availability, and radiology reports.
● Designed and implemented robust data models in PostgreSQL, ensuring efficient query performance and reliable storage of sensitive healthcare data.
● Integrated role-based access control (RBAC) and Spring Security to protect patient and hospital data with strict authorization policies.
● Containerized applications using Docker and deployed them on Azure Kubernetes Service (AKS), improving scalability, reliability, and fault tolerance.
● Automated build, testing, and deployment pipelines using Azure DevOps CI/CD, ensuring faster and error-free releases.
● Implemented reporting modules for generating, validating, and managing radiology reports with high accuracy.
● Collaborated with cross-functional teams (frontend, QA, DevOps) in an Agile environment to deliver secure, efficient, and scalable healthcare solutions.
Tech Stack Used:
Java 17, Spring Boot (2.x/3.x), REST APIs, PostgreSQL, Spring Security, Docker, Kubernetes (AKS), Azure DevOps (CI/CD), Git, Agile/Scrum.

Java 17Spring BootREST APIsPostgreSQLSpring SecurityDocker+5

Capgemini

Software Engineer

Mar 2022 – Apr 2025 · 3 yrs 1 mo · Bengaluru, Karnataka, India · Hybrid

Domain: Insurance (Life Quotation & Claims Services)
At Capgemini, I worked as a Java Backend Developer on critical insurance domain projects, focusing on building scalable APIs, optimizing system performance, and modernizing applications for better efficiency and maintainability.
Key Contributions:
● Designed and developed REST APIs, services, and schedulers using Core Java & Spring Boot, ensuring seamless integration across systems.
● Upgraded APIs from Java 8 → Java 17 and Spring Boot 2.x → 3.x, improving performance, compatibility, and maintainability.
● Implemented event-driven architecture with Apache Kafka, resulting in a 20% improvement in system efficiency.
● Built multithreaded components with Java concurrency for parallel file processing and scheduling, reducing processing time.
● Worked on checksum implementation and file-splitting schedulers to enhance batch document processing reliability.
● Collaborated in an Agile environment using Git/GitHub, JIRA, and best coding practices to deliver high-quality solutions on time.
Tech Stack Used:
Java 17, Spring Boot (2.x/3.x), REST APIs, Oracle SQL, Apache Kafka, Multithreading, Git/GitHub, JIRA, Agile