Tech Lead - Customer Growth Transactional Communication Platform at Decathlon Digital EN

We are looking for a Tech Lead to join our Customer Growth team, where you will help us transform how we manage transactional communications for hundreds of millions of users across the global Decathlon ecosystem. As part of our shift toward a global organization, you will play a key role in scaling our event-driven architecture and microservices while fostering a high-performing, agile engineering culture.

Responsibilities

• Design, build, and maintain robust software solutions from initial prototyping through to final delivery.
• Apply core software engineering principles to solve complex problems and create detailed technical specifications.
• Mentor and coach junior team members to help them thrive and grow within our engineering environment.
• Adopt and promote Agile methodologies to improve development speed and code quality.
• Analyze existing systems and recommend improvements to enhance performance and reliability.
• Monitor system health and perform risk analysis to ensure our platforms remain secure and scalable.
• Evaluate and integrate new technologies to keep our tech stack at the forefront of the industry.
• Ensure all projects are properly documented and aligned with our high standards for quality.

Must-haves

• At least 7 years of professional experience working as a Java developer.
• Strong expertise in Spring Reactive (WebFlux) and the broader Spring/SpringBoot framework.
• Hands-on experience with Docker, Kubernetes, and the Kafka ecosystem.
• Deep understanding of microservices architecture, design patterns, and testing methodologies like BDD and TDD.
• Proven ability to build and maintain APIs using REST, SOAP, JSON, and RPC.
• Solid grasp of SOLID principles and Async API standards.
• Experience working within Agile and DevOps development environments.
• Fluency in English.

Nice-to-haves

• Experience working with PostgreSQL and NoSQL databases.
• Familiarity with security best practices, including the OWASP Top 10.
• Proficiency with automation tools like GitHub Actions.
• Experience using monitoring and metrics tools such as Datadog, Dynatrace, or Prometheus.
• Knowledge of Apache ActiveMQ and JMS.
• Experience with Salesforce Marketing Cloud APIs and SDKs.
• A strong belief in the you build it, you run it philosophy.

Benefits

• Opportunity to work from our offices in Amsterdam or Lille.
• Choice of professional work equipment, including Mac or Windows options.
• Access to a global network with clear opportunities for an international career path.
• Robust professional development, including internal training, mentorship, and support for certifications like AWS or GCP.
• Participation in our employee shareholding program.
• Eligibility for monthly and quarterly performance bonuses.