Senior Middleware Software Engineer

Clearstream Global Securities Services Ltd. • Cork

Learn. Develop. Grow. But always: Share value

Join our international team that drives positive change, united by a spirit of openness and curiosity. We empower you to have an impact and to grow – personally and professionally. With us, you work at the heart of financial systems and evolve the way markets operate. We’re excited about the future because we are the ones shaping it. Let´s do this together by sharing value!

Who we are

Who we are

Tracing its origins to 1585, Deutsche Börse Group has become one of the world’s leading exchange organisations and an innovative market infrastructure provider. In this role, we provide investors, financial institutions and companies access to global capital markets. What’s your part in all this? With your commitment you contribute to the success of our unique business model: offering a wide range of products, services and technologies for security, transparency and integrity on the markets. By creating trust in the markets of today and tomorrow we foster growth and contribute to the prosperity of future generations.


Your career at Deutsche Börse Group

As an integral part of the Deutsche Börse Group, Clearstream offers settlement and custody services to more than 2,500 clients world-wide, covering over 150,000 domestic and internationally traded bonds and equities. Clearstream's core business ensures that cash and securities are promptly and effectively delivered between parties, and that clients are always notified of the rights and obligations attached to the securities they keep under our custody. Thanks to its committed staff, Deutsche Börse Group has developed into one of the most modern exchange organisations in the world. More than 3,600 employees work for the Group – a dynamic, highly motivated and international team.
Investment Funds Service (IFS) IT Department builds, maintains and operates a portfolio of applications which provide Clearstream clients state of the art solutions to standardise fund processing, and to increase efficiency and safety in the investment funds sector. Our global funds processing platform Vestima allows for reaching all types of funds, from mutual funds to ETFs and hedge funds.


Your Responsibilities
You will take responsibilities in a broad range of architecture, infrastructure and information security engineering activities, covering the entire IFS IT landscape. As such, you will be a key member of the working group in charge of designing, delivering for, and supporting those areas. Your assignments will include:

  • Designing, developing and delivering Web server, Application Server and other middleware infrastructures (RedHat JBoss A-MQ, Redis, Kafka…) You will target both on-premise and public Cloud deployments, using IaaS and PaaS models
  • Working in autonomy and acting as lead for the projects assigned to you; coordinating the work of a small team when required
  • Assessing new infrastructure solutions and innovative technologies
  • Maintaining and developing Java/JavaEE integration components such as security modules and Resource Adapters, including their documentation and test suites
  • Maintaining and developing the related automation frameworks, scripts and DevOps connectors, including their documentation
  • Managing in autonomy the relation with the development, infrastructure and information security teams involved in your deliveries
  • Creating and documenting the architecture and security of IFS systems, including for critical Internet customer-facing applications; you will also be working on the applicable processes and standards
  • Working with the other Domain Experts of the group and reporting to the group lead
  • Participating in approx. 4 major production implementations each year (Saturday work)
  • Interacting with the middleware/security software vendor’s support engineers


Your Profile

  • Master’s Degree (or equivalent) in computer science
  • Hands-on experience in configuring, deploying, operating and supporting a Web application infrastructure including an Apache httpd Web server and a Java application server on Linux.
  • Knowledge of the challenges posed by multi-tier Web infrastructures, especially in the areas of high-availability, security, Web servicing and transaction management
  • Ability to take, justify and challenge technical architecture decisions
  • Experience in application security design and vulnerability assessment, especially for Web Internet facing applications. 
  • Practical knowledge of TLS (PKI), including its configuration in middleware software; practical knowledge of certificate/key deployment
  • Ability to structure and document architecture and security concepts; very good English technical writing skills
  • Practical experience in the following technologies:
  • Linux OS
  • OpenIDConnect and/or SAML SSO
  • Public Cloud architecture and APIs, preferably Microsoft Azure and Google Cloud Platform
  • Git
  • IntelliJ and/or Eclipse IDE 
  • Apache Maven
  • Additional assets will be: experience with RedHat OpenShift, ActiveMQ, Kafka, Ansible, Jenkins, Docker, Kubernetes, RedHat EAP, JavaEE services and APIs.
  • Proficiency in written and spoken English; French and German language skills will be an asset

Why Deutsche Börse Group?

We are committed to providing a work environment which makes our employees both feel at each other and reach their full potential. Our standards go far beyond simply matching candidate with the suitable position.

Exciting, cutting-edge projects

“Boredom” is a concept unknown to us. With us you are part of a growing company that is shaping the future and where you can make a difference and actively participate – by supporting companies and start-ups going public, developing trading technologies or designing the cloud infrastructure for a highly regulated environment.

International environment

Our market infrastructures are connected globally: whether in Singapore, London, Chicago, Luxembourg or Dubai – working with us means collaborating with like-minded colleagues and teams across over 60 locations from more than 100 nations.

Security and growth

Our company is experiencing healthy growth, not least due to our diversified business model. As a globally active exchange organiser, we provide market participants with consistently safe infrastructures that stimulate growth along the entire value chain. For you this means: a secure and promising workplace!

Diversity & Inclusion

We embrace diversity. As the cornerstone of our success, your contribution counts – irrespective of gender, nationality, ethnic or social background, religion or worldview, disability, age, sexual preference and identity.

Our values

We at Deutsche Börse create trust in the markets of today and tomorrow. We want to achieve this common goal with performance, reliability, integrity, openness and responsibility. Mutual respect and appreciation are of particular importance. Our values shape our culture and behaviour – both within our organisation and externally.

Team spirit

Our employees work in great teams that drive positive change – and therefore they enjoy working with us. This is reflected in our annual employee surveys. No matter how great the challenges posed by the markets might be – we support each other, work together closely to successfully complete projects and face change with a positive, collaborative approach.

Work-life balance

We offer a work environment, in which professional and private life can interact individually. Flexible working time models, allowance for childcare, working remotely, studying alongside your job or part-time models – we give you the opportunity to adapt your job to your life situation.

Careers with a future

Whether you are an apprentice, a trainee, a young or experienced professional – with us your career is off to a good start that holds many different paths to develop and reach the next level. Your professional future is in your hands – as a manager, expert or project manager. You can count on our support as well as further education and training measures.


Your well-being is important to us! We provide you with a comprehensive healthcare scheme that covers you and your civil partner and/or dependants. It gives you access to public and prive hospitals as well as a great cover for everyday medical expenses.

Our hybrid work model

Personal exchange and the collaborative atmosphere at our offices are an important part of our corporate culture. At the same time, we offer our employees the flexibility to work remotely several days per week in line with business needs and local regulation.

Pension scheme

Top up your pension! We pay you an annual pension contribution which is meant to build up additional retirement savings for you.

Campus Recruiting

Campus Recruiting

Are you interested in an internship, an apprenticeship or a working student job?


Our Campus Recruiting Team is looking forward to your call or e-mail.

Recruiting Team

Recruiting Team

Take your career to the next level with us and embrace new challenges!


Our Recruiting Team is looking forward to your call or e-mail.

Ready to start your career with us?

Apply now!