Senior Full Stack Developer (Java, Spring Boot & TypeScript)

Job Title: Senior Full Stack Developer – Java / Spring Boot / TypeScript

Location: Airoli, Mumbai

Work-type: Hybrid (3 days WFO, 2 days WFH)

Experience: 8+Years

Job Type: Contract

Notice Period: Immediate to 15 days

Job Description:

We are looking for an experienced Senior Full Stack Developer with 8+ years of professional software development experience to design, develop, and maintain scalable, secure, and high performance web applications. The ideal candidate will have strong expertise in Java and Spring Boot for backend development, along with hands-on experience in TypeScript, HTML5, and Tailwind CSS for frontend development. The role involves developing REST APIs and microservices, building responsive web interfaces, implementing authentication and authorization using Keycloak, and working extensively with PostgreSQL. You will collaborate with product managers, architects, designers, QA, and DevOps teams to deliver production-ready solutions in an Agile environment.

Key Responsibilities:

Backend Development:

• Design, develop, and maintain scalable applications using Java and Spring Boot.
• Develop secure RESTful APIs and microservices.
• Apply Java 8+, Spring Boot, Spring Security, and related Spring technologies. Implement business logic using clean code, SOLID principles, and design patterns.
• Design solutions with scalability, performance, fault tolerance, and maintainability in mind.
• Troubleshoot and optimize backend services and production issues.

Frontend Development:

• Develop responsive web interfaces using TypeScript, HTML5, and Tailwind CSS.

Build reusable and maintainable frontend components.

• Integrate frontend applications with backend REST APIs.
• Implement client-side validation, error handling, state management, and performance optimization.
• Experience with React.js or a similar modern frontend framework is preferred

Database Development:

• Design and maintain relational database schemas using PostgreSQL.
• Write complex and optimized SQL queries and database operations.
• Analyze query performance and implement indexing and optimization strategies.
• Ensure data integrity, consistency, and efficient database access.

Authentication & Security:

• Implement authentication and authorization using Keycloak.
• Work with OAuth 2.0, OpenID Connect (OIDC), JWT, and Role-Based Access Control (RBAC).
• Secure REST APIs and frontend applications.
• Follow security best practices across the application stack.

Architecture & System Design:

• Participate in high-level and low-level system design discussions.
• Design scalable, highly available, and fault-tolerant applications.
• Contribute to architectural decisions involving microservices, APIs, databases, authentication, and frontend architecture.
• Identify technical risks and recommend appropriate solutions.

DevOps & Collaboration:

• Work with Docker for application containerization.
• Collaborate with DevOps teams on CI/CD pipelines and deployment processes.
• Use Git/GitHub/GitLab and standard branching and pull-request workflows.
• Participate in code reviews and provide technical guidance to other developers.
• Work effectively within Agile/Scrum teams.

Key Requirements:

• 8+ years of professional software development experience with strong Full Stack exposure.
• Strong hands-on expertise in Java 8+ and Spring Boot.
• Experience designing and developing REST APIs and microservices.
• Strong proficiency in TypeScript.
• Good knowledge of HTML5 and Tailwind CSS.
• Hands-on experience with PostgreSQL and advanced SQL.
• Strong understanding of Keycloak, OAuth 2.0, OIDC, JWT, and RBAC.
• Experience with Spring Security and securing REST APIs.
• Experience with modern frontend frameworks, preferably React.js.
• Strong understanding of OOP, SOLID principles, design patterns, and clean architecture.
• Experience with Docker and containerized environments.
• Proficiency with Git and code-review/pull-request workflows.
• Experience with Agile/Scrum methodologies.
• Strong debugging, problem-solving, and analytical skills.
• Ability to independently own technical tasks and contribute to architectural decisions.

Nice to Have:

• Kubernetes and container orchestration
• CI/CD tools and pipelines
• Kafka or other messaging systems
• Redis or other caching technologies
• AWS, Azure, or other cloud platforms
• Swagger/OpenAPI and Postman
• Automated testing using JUnit, Mockito, Jest, or similar frameworks
• Experience working with large-scale enterprise applications

Pay: ₹381,757.12 - ₹2,238,592.78 per year

Application Question(s):

• Do you have 8+ years of professional software development experience?
• Do you have experience implementing authentication and authorization using Keycloak, OAuth 2.0, or OIDC?

Work Location: Hybrid remote in Airoli, Navi Mumbai, Maharashtra