Full Stack Engineer – Java / React / Kafka

Job Title: Full Stack Engineer
Location: Onsite
Duration: Long-Term Contract
Job Type: Contract

Job Description

We are looking for an experienced Full Stack Engineer with strong hands-on experience in Java, Spring Boot, React, TypeScript, Kafka, and PostgreSQL to develop and enhance a modern Unified Workflow Engine platform.

Required Skills

• 7+ years of software development experience with strong Java expertise.
• 3+ years of hands-on Java/Spring Boot development.
• Strong experience with Java 17/21 and Spring Boot 3.x.
• Strong React + TypeScript development experience.
• Experience with React Query / TanStack Query.
• Strong experience building REST APIs using Spring Web / WebFlux.
• Hands-on experience with Apache Kafka, including producers, consumers, topics and partitions.
• Understanding of Kafka ordering, idempotency and delivery semantics.
• Strong PostgreSQL and JPA/Hibernate experience.
• Experience with Flyway or Liquibase database migrations.
• Experience implementing OAuth2, service authentication and API security/API keys.
• Experience with JUnit and integration testing.
• Experience working with private/scoped npm registries/package management.
• Experience with shared component libraries/design systems.
• Experience with Module Federation is highly preferred.
• Strong Git, CI/CD and Agile development experience.

Responsibilities

• Design, develop and maintain scalable full-stack applications.
• Build reusable React/TypeScript UI components and integrate them with backend services.
• Develop scalable Java/Spring Boot microservices and REST APIs.
• Design and implement Kafka producers and consumers.
• Ensure reliable event processing, ordering and idempotency.
• Work with PostgreSQL and JPA/Hibernate for data persistence.
• Implement secure authentication and authorization using OAuth2 and related security mechanisms.
• Develop unit, integration and automated tests.
• Collaborate with architects, product owners and engineering teams.
• Participate in code reviews, troubleshooting and production support.
• Contribute to shared UI libraries and modern frontend architecture.

Preferred Qualifications

• Experience with enterprise workflow platforms.
• Experience with microservices and event-driven architecture.
• Experience with Kubernetes/Docker and cloud environments.
• Strong communication and problem-solving skills.
• Ability to work independently in a fast-paced Agile environment.

Interested candidates can send their updated resume along with availability, location and rate.