Backend Java Developer

Backend Java Developer

Spain Digital & IT 5 - 10 years Madrid Remote

Do you like challenges? Here's one!!!!

About The Member Company

We are a global high-tech consultancy company with a team of entrepreneurial engineers, scientists, and digital experts from around the world. Together we form a fast-growing and proud community. We offer consultancy services to high-profile clients globally in diverse service areas, such as:

• Technology & Engineering
• Energy & Renewables
• Life sciences & Pharma
• Digital & IT

About this vacancy

Senior Java Microservices Developer – Banking Sector

Job Description:

In a dynamic and highly demanding environment, we are looking for a Senior Java Developer with solid experience in microservices and participation in business-critical projects, preferably within the banking or financial sector. The ideal candidate is someone highly committed, capable of working in complex environments, and focused on quality, who wishes to contribute both technically and in the continuous improvement of processes and methodologies.

Responsibilities:

• Design, develop, and maintain microservices in Java 17 or higher, applying hexagonal architecture and DDD.

• Implement CQRS patterns and asynchronous communication using Apache Kafka in critical business systems.

• Apply TDD methodologies and acceptance tests to ensure quality in mission-critical environments.

• Manage and collaborate on projects versioned in GitHub or Bitbucket, applying best practices in version control.

• Ensure the resilience, scalability, and security of applications in banking production environments.

• Work closely with business teams, analysts, and architects to transform requirements into technical solutions.

• Propose and explore the use of AI tools applied to software development to enhance productivity and quality.

• Act as a technical reference and mentor for other team members.

What we expect from you

Requirements:

• +5 years of experience in backend development with Java (minimum Java 17).

• Proven experience in high-criticality business projects, preferably in banking or the financial sector.

• Strong knowledge of microservices, hexagonal architecture, and DDD.

• Experience in TDD, acceptance tests, and testing frameworks (JUnit, Cucumber, etc.).

• Knowledge of CQRS and experience with Apache Kafka (event streaming, integration).

• Experience with GitHub or Bitbucket repositories.

• Previous work in agile environments.

Desirable:

• Experience in digital banking, payments, core banking, or mission-critical financial systems.

• Experience with cloud platforms (AWS, Azure, GCP) and deployments using Docker/Kubernetes.

• Familiarity with CI/CD (GitLab CI, Jenkins, GitHub Actions, etc.).

• Interest and experience in using AI within the development cycle (copilots, test generation, code automation).

• Knowledge of security and regulatory compliance in banking (OAuth2, JWT, PSD2, GDPR).

What you can expect from us

TMC is an international high-tech consultancy company that brings expertise to its clients to support them in realizing their technological challenges. As such, TMC operates as an expert center at the disposal of its clients, helping them become more competitive in an increasingly global and rapidly changing technological world. At TMC, we believe that people drive technology. That is why we strive to create the best possible conditions for tech talents to thrive. We offer a challenging and stimulating work environment where you can be the director of your own career. As an Employeneur, you are part of our TMC family. In addition to our outstanding technical expertise, fun and engagement are meaningful parts of our culture. #LI-NR1