Core Java Developer

Core Java Developer (Senior) at Infogain - Mumbai, Maharashtra

Infogain is seeking a Senior Core Java Developer to join our team in Mumbai, Maharashtra. This role is integral to leading and developing robust backend solutions while aligning with architectural and product vision.

Responsibilities:

General

• Contribute 8-9 years of overall software development expertise.
• Provide 3-5+ years of leadership in a Technical Lead or Solution Lead capacity.
• Demonstrate strong hands-on proficiency in both Backend (Java/Microservices) and Frontend (React.js) development.
• Collaborate effectively with Architects, Product Owners, and Scrum Masters.

Backend Technical Skills (Strong Hands-on):

• Develop using Java 17+, Spring Boot, Spring Cloud, and Spring Security.
• Implement and manage RESTful APIs, GraphQL, ensuring API versioning and backward compatibility.
• Apply expertise in OAuth2, JWT for API authentication and authorization.
• Utilize ActiveMQ / IBM MQ / equivalents for asynchronous processing.
• Build and manage batch and scheduler jobs using Spring Batch / CRON.
• Perform advanced SQL operations, work with PostgreSQL, conduct data modeling, and optimize performance.
• Document APIs using Swagger / OpenAPI.
• Implement logging, tracing, and monitoring solutions with ELK, Prometheus, Grafana, and CloudWatch.
• Design and develop integration layers between disparate systems.
• Ensure the development of secure and high-performance software systems.

Cloud, DevOps & Platform Skills:

• Leverage the AWS ecosystem including EKS, API Gateway, SNS, IAM, and CloudWatch.
• Implement Docker and Kubernetes for container-based deployments.
• Develop and maintain CI/CD pipelines using Git, Jenkins, Sonar, and conduct unit & integration testing.
• Possess infrastructure awareness for design-level clarity.
• Manage production-grade deployments and rollbacks effectively.

Design & Delivery Responsibilities:

• Define API contracts, data models, error standards, and security standards.
• Ensure consistency across microservices and frontend consumption.
• Guide migration, refactoring, and modernization efforts as needed.
• Lead sprint planning, technical breakdown sessions, and estimations.
• Review user stories for technical feasibility and clarity.
• Provide support to developers during sprint execution and bug fixing.
• Present technical and architectural aspects during sprint demos.
• Collaborate closely with TPMs/SMs and operate independently when required.
• Conduct technical walkthroughs with client engineering teams.

Additional Desired Skills:

• Experience with BPM and Integration technologies is a plus.

Experience Required:

• 8-11 years of professional experience.

Skills:

• Primary Skill: Java Development
• Sub Skill(s): Java Development
• Additional Skill(s): Java Architecture, Core Java, Java Application/Web Server, UX Design