Java Backend Engineer

embIND Embitel Technologies (India) Private Limited; Bengaluru; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

Embitel Technologies is seeking Backend Engineer for a 6-8 week migration project to rewrite Keycloak SPI to Quarkus, upgrade runtime, and configure OIDC integration. You will work across Java provider code, container/CI configuration, and identity federation to ensure seamless migration.

The role requires Java 11+ proficiency, JPA/Hibernate, OIDC knowledge, Docker, and experience with Quarkus. Familiarity with AWS services and GitHub Actions is a plus for CI/CD tasks.

Qualifications

• Professional level Java (11+).
• Keycloak SPI development experience; know how providers are packaged and deployed.
• Familiarity with JPA / Hibernate; lifecycle management without container injection.
• OIDC / OAuth 2.0 knowledge; configure an OIDC Identity Provider in Keycloak.
• Docker multi-stage builds; migration from WildFly to Quarkus build.
• Quarkus configuration and extension model.
• Spring Security; preserve existing password verification logic in SPI.
• GitHub Actions; update workflows for CI/CD.
• AWS services usage; ECS / ECR related tasks.
• PostgreSQL version upgrade considerations (13-17).
• Java 21-compatible runtime and development environment.

Responsibilities

• Migrate Keycloak SPI to Quarkus and Java 21 across all layers.
• Modify infrastructure and CI/CD to support migration and deployment.
• Configure OIDC Identity Provider in Keycloak and verify token claims.
• Work across Java provider code, container/CI configuration, and identity federation.

Skills

Java

Keycloak SPI development

JPA / Hibernate

OIDC / OAuth 2.0

Docker

Quarkus

Spring Security

GitHub Actions

AWS

PostgreSQL

Java 21

Tools

AWS ECS / ECR

Job description

About the Company

Embitel Technologies is a Volkswagen AG (VW) Group Company. VW is a German multinational automotive manufacturing corporation headquartered in Wolfsburg, Germany. VW is one of the world’s largest automaker by sales. VW sold 10.9 million vehicles in 2019. The group comprises of 12 brands from seven European Countries: Volkswagen, Audi, Lamborghini, Porsche, Bugatti, Bentley, Ducati (motorcycles), Skoda, SEAT, Scania, MAN and Volkswagen commercial vehicles.

Job Description

Backend Engineer Two engineers are required for 6-8 weeks. Both are expected to cover the full scope of the migration - backend SPI development, infrastructure changes, and OIDC integration.

Role Description

The migration rewrites a Keycloak User Storage SPI (Java, EJB to Quarkus), upgrades the Keycloak runtime and supporting infrastructure, and configures GRP as an external OIDC Identity Provider. Engineers on this project will work across all three layers: Java provider code, container/CI configuration, and OIDC/identity federation.

Must Have

• Java (professional level, Java 11 or later)
• all three Maven components target Java 21
• Keycloak SPI development - has written or maintained a User Service Provider or equivalent; understands how providers are packaged and deployed to Keycloak
• JPA / Hibernate - comfortable managing an lifecycle without container injection
• OIDC / OAuth 2.0 - understands token structure, identity federation, and broker login flows; must be able to configure an OIDC Identity Provider in Keycloak and interpret token claims
• Docker (multi-stage builds) - the Dockerfile is a full rewrite from a WildFly entrypoint model to a Quarkus two-stage build
• AWS Good to Have Jakarta EE migration experience
• Quarkus (datasource configuration, extension model)
• Keycloak administration - configuring realms, clients, identity providers, and mapper flows via the admin UI and REST API
• AWS ECS / ECR - image promotion via CI/CD pipeline
• GitHub Actions - updating existing workflows
• PostgreSQL - version upgrade (13-17); no schema changes required
• Spring Security - existing password verification logic is preserved in the SPI
• Github Copilot

Good to Have

• Jakarta EE migration experience
• Quarkus (datasource configuration, extension model)
• Keycloak administration - configuring realms, clients, identity providers, and mapper flows via the admin UI and REST API
• AWS ECS / ECR - image promotion via CI/CD pipelineGitHub Actions - updating existing workflows
• PostgreSQL - version upgrade (13-17); no schema changes required
• Spring Security - existing password verification logic is preserved in the SPI
• Github Copilot

Working with Embitel

• Freedom to challenge norms, make mistakes, learn and grow
• There is no 'I' in word 'Team' and no hierarchy at Embitel
• Employees of Embitel are partners of our excellence and growth. And they are at the core of organization's Mission and Vision To explore an exciting & progressive Career development at Embitel India:
• Visit us at: www.embitel.com
• Follow us at https://www.linkedin.com/company/embitel-technologies-india

About Embitel Technologies

Embitel Technologies is a leading digital transformation company specializing in automotive embedded systems, connected mobility, and digital commerce/experience. We have been instrumental in delivering software-defined vehicle (SDV) solutions for global automotive OEMs and Tier 1 suppliers. We have also been helping leading brands achieve sustainable digital transformation across industries. We are a 100% subsidiary of the Volkswagen Group. Embitel serves all 12 brands of the Volkswagen Group through our CARIAD India unit, contributing to platform software, ADAS/AD, energy and diagnostics systems, and scalable compute platforms. Simultaneously, we work with third-party automotive OEMs and Tier 1 suppliers, making us one of India’s first engineering-led GCC Plus organizations.

Diversity & Inclusion

At Embitel, diversity and inclusion are not just principles we talk about, they're woven into who we are and how we grow. We believe that every individual brings a unique story, perspective, and strength that makes us stronger as a team. Here, you’ll find a workplace where differences are celebrated, ideas are welcomed, and collaboration thrives. We want you to feel confident bringing your whole self to work - your experiences, your passions and your voice, because they all matter! Together, we are creating an environment where everyone feels respected, supported, and empowered to succeed. When people belong, they don’t just do their best work, they inspire those around them. That’s what drives us forward.

Workplace Culture

Life at Embitel is all about balance, growth, and belonging. We understand that work is just one part of your journey, which is why we place strong emphasis on work-life balance - so you can thrive both personally and professionally. With immense learning and development opportunities, you’ll always have the support to sharpen your skills, explore new ideas, and shape your career path. Our work culture is rooted in collaboration, trust, and respect, creating an environment where you feel valued and inspired every day. And with approachable leaders who listen, guide, and encourage, you’ll never feel like just another employee; you’ll feel an integral part of a team that’s building something meaningful together.