Welcome to the team:
Development Java Lead (MCP) (m/f/diverse)

    Your tasks

    • Designing, developing, and implementing the MCP gateway, ensuring its integration, operational stability, and performance;
    • Developing and implementing scalable software for MCP servers, ensuring secure connections between AI models and banking systems (files, databases, APIs, third-party tools). Providing technical guidance to internal teams on MCP server development;
    • Implementing and enforcing best-in-class security practices for MCP server and gateway development, protecting sensitive financial data and advising teams on secure MCP implementation.
    • Ensuring developed MCP components comply with banking regulations, data protection laws, and internal audit guidelines.
    • Collaborating with software developers, system administrators, and data engineers to technically orchestrate MCP-driven workflows.
    • Developing and integrating robust monitoring for MCP server and gateway performance, proactively identifying and addressing bottlenecks or downtime;
    • Optimizing MCP server and gateway architecture and code for high performance and scalability, handling high transaction volumes and dynamic AI model requests;
    • Documenting MCP integration processes and workflows, proposing improvements for deployment pipelines and automation;
    • Designing and developing reusable frameworks/SDKs to simplify and standardize AI model interaction with the banking ecosystem via MCP.

    Your profile

    • Very good knowledge of Java / Java Script;
    • Experience with Java development or other Object Oriented language;
    • Good understanding of authentication and authorization with OAuth 2.0 and OIDC;
    • Knowledge about Monitoring Systems (e.g Kibana, Dynatrace, Prometheus,Grafana);
    • Basic experience with automated Web Services tests;
    • Joy of developing innovative software in an agile team and motivation to learn quickly;
    • University degree in IT or relevant.

    In return, we offer:

    • Good work-life balance, including 25 days annual paid leave (increasing with 1 day per year up to 31 in total), flexible working hours, work-from-home and work from abroad opportunities;
    • Luxury package of additional health and dental insurance;
    • Food vouchers in the amount of EUR 80 monthly;
    • 6 additional annual days off for exceptional circumstances;
    • Employee assistance program for psychological, financial, and legal consultations;
    • Multisport card;
    • Annual contribution of EUR 153.39 net per child for a summer camp/school/kindergarten for children up to age of 15;
    • Possibilities for building career-advancing skills by covering training/certification courses and conferences based on individual learning and development needs, access to an online learning platform;
    • Opportunities for long-term professional development in a stable, 150-year-old company while contributing to the vision of a new, just starting Digital Technology Center;
    • Friendly and supportive multicultural environment, open to new opinions and ideas.

    Commerzbank is proud to be an equal opportunity employer, committed to creating a diverse environment. All qualified applicants will receive consideration for employment without regard to gender, race, color, national origin, religion, gender identity or expression, sexual orientation, genetics, disability, age, or any other characteristics.

    Our Benefits

    • Learning Platforms
    • Children Summer Camp Contribution
    • Employee assistance program
    • Food vouchers
    • 6 Exceptional Days Off
    • 25 up to 31 annual paid leave
    • Multisport Card
    • Health& Dental Insurance
    • Work-life balance
    • Work internationally

    Learning Platforms; Children Summer Camp Contribution; Employee assistance program; Food vouchers; 6 Exceptional Days Off; 25 up to 31 annual paid leave; Multisport Card; Health& Dental Insurance; Work-life balance; Work internationally

    The company

    Commerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so are we. We are leaving the traditional bank behind us and we are choosing to move forward as a digital enterprise.

    As part of this strategy, Commerzbank continues the expansion of its Digital Technology Center in Sofia, Bulgaria. We need motivated people who will join us on this journey, and we are looking for a Development Java Lead in our Business Connectivity team.

    The Business Connectivity Cluster accelerates the transformation of Commerzbank into a digital technology company by developing and promoting internal and external APIs that are an integral part of our digital infrastructure. Positioning of Commerzbank in the German market as the first port of call for simple and innovative API-based customer solutions. In addition to that our cluster has spread across multiple technologies including Kafka, MQ, MFT, TokenManager.

    We are seeking a highly skilled Senior Software Developer to design, build, and deploy secure backend services connecting our core banking systems to advanced AI models. In this role, you will lead the implementation of a Model Context Protocol (MCP) gateway, enabling AI-driven solutions to interact securely with live data, internal APIs, and digital services.

    Contact

    Apply now with your up-to-date CV in English!

    Due to the high volume of applications, we contact only the candidates who best match the role requirements. If you do not hear from us within 14 days, please consider that we won't proceed with your application at this stage.