Java Back-End Engineer

Inthepocket; Belgique; Sur place; EUR 70 000 - 100 000; Plein temps

Avantages offerts par ce poste

Medical insurance

Meal vouchers

Mobility budget

Team events

Learning & development budget

Résumé du poste

In The Pocket is seeking an experienced backend engineer to design, develop, and deploy robust APIs using Java and JVM ecosystems. You’ll migrate and manage cloud infrastructure on AWS, GCP, or Azure, automate deployments with Terraform, and optimise resources for cost and scalability.

The role emphasizes security (OWASP) and AI-assisted development. You’ll join a multidisciplinary team across Europe, working in autonomous squads that own delivery, collaborate closely with product and design

Qualifications

• Expert knowledge of Java and JVM ecosystem.
• Experience with Spring Boot (and related Spring projects) and Kotlin variants.
• Proven cloud experience with AWS, GCP or Azure and containerization (Docker/Kubernetes).
• Strong understanding of authentication (OAuth, OpenID Connect, SAML) and database tech (SQL/NoSQL).

Responsabilités

• Design, develop, and implement backend APIs.
• Migrate and manage cloud infrastructure on AWS, GCP, or Azure.
• Automate deployments with Terraform and CI/CD pipelines.
• Optimize cloud resources for cost, performance, and scalability.
• Implement security measures (OWASP) for cloud-based apps.
• Troubleshoot complex backend issues and stay updated on cloud trends.
• Integrate AI tools into the development workflow to boost productivity.

Connaissances

Java

Kotlin

JVM ecosystem

Spring Framework

Cloud platforms

Docker

Kubernetes

OAuth/OpenID Connect/SAML

CI/CD

AI tooling

Outils

Terraform

CI/CD pipelines

AWS

GCP

Azure

Description du poste

We're an independent European digital product studio with a strong track record of delivering market-defining strategies and products for enterprises and governments. With about 200 talented people across three countries, premium AI capabilities and a diverse portfolio of international clients, we define, design and ship high-quality digital products, strategies and software. From global cloud-based platforms and large-scale apps to medical devices, banking software and augmented reality experiences. In a nutshell: if it lives and breathes digital, it’s what we do best.

Become a part of our team

At In The Pocket, you join a multidisciplinary team of designers, engineers, strategists and data specialists who care about the work as much as the people they work with. We work in small, autonomous teams that stay close to our clients and their users, and we give everyone the space to take ownership, speak up and grow. You’ll learn from colleagues across our studios, ship products that reach thousands or even millions of people and help shape what digital can do for leading organisations in Europe.

What you’ll do

• Design, develop, and implement backend APIs using secure and efficient programming languages and frameworks.
• Migrate and manage cloud infrastructure on platforms like AWS, GCP, or Azure.
• Automate backend deployments and infrastructure provisioning using infrastructure-as-code (IaC) tools like Terraform.
• Optimise cloud resource utilisation for cost-effectiveness and scalability.
• Implement robust security measures to protect our applications and data in the cloud. (OWASP)
• Troubleshoot and debug complex backend issues.
• Stay up-to-date with the latest trends and innovations in cloud technologies.
• Effectively integrate AI tools (e.g., Claude, Codex, etc) into the development workflow to optimize code writing, code reviews, and overall productivity.

Who you are

• Excellent knowledge of Java and of the JVM ecosystem. Kotlin experience is a plus, not a requirement.
• Excellent knowledge of frameworks and the judgement to pick the right one in the right context. Examples are the Spring ecosystem (Spring Boot, Spring Cloud, Spring core, Spring Data, Spring AI) or Kotlin variants like Ktor. Plus the tooling around it (Gradle or Maven).
• Proven experience working with cloud platforms like AWS, GCP, or Azure.
• Experience with containerization technologies like Docker and Kubernetes.
• Good knowledge of authentication technologies such as OAuth, OpenID Connect, SAML.
• Good knowledge of database technologies Relational, Documents, (MySQL, Redis, MongoDB, Postgres).
• Good understanding of messaging and broker systems (Pub/Sub, RabbitMQ, Kafka, SNS/ SQS).
• Solid grasp of common software engineering practices: OO principles, modern design patterns, test-driven development, continuous integration and continuous deployment.
• Good understanding of security concepts and best practices (OWASP).
• Good understanding of DevOps practices (infrastructure as code (terraform), observability, CI/CD)
• Excellent problem-solving and debugging skills.
• Strong communication and collaboration skills.
• A passion for building high-quality, maintainable, scalable, and secure software.
• You apply AI tools at an advanced level to accelerate high-quality delivery, and you critically validate what comes out of them (e.g., Claude, Codex, etc).
• Nice to have:
  • Quarkus
  • GraalVM

What we offer

Joining In The Pocket means becoming part of a team that shapes the future of our clients’ businesses across Europe. Here’s what you can look forward to:

• You’ll start with a permanent contract in a role that comes with responsibility and the opportunity to make a real impact from day one.
• We offer a competitive salary that reflects your experience and the value you bring.
• Our benefits package has you covered with medical insurance, meal vouchers, and more.
• You’ll have a mobility budget that lets you decide how to get around, your way.
• Life at In The Pocket isn’t just about work, we host team events throughout the year to celebrate, connect, and have fun together.
• Learning never stops here, so after six months, you’ll receive a dedicated learning and development budget to keep growing your skills and exploring new horizons.

Ask us anything

But before you do, we'll try to troubleshoot some of the most common questions.