ITDS Portugal

ITDS is a leader in outsourcing IT engineers and works with various web and mobile technologies for over 30 global clients. It has been recognized as one of the 1000 fastest-growing companies in Europe for three consecutive years, Great Place to Work, and the Forbes Diamond award in 2023. ITDS currently has more than 600 IT professionals working in Portugal, Poland, and the Netherlands.
About company

Senior C++ Developer – Financial Systems Integration

On-site

location Lisbon

date May 28, 2026

Empower financial innovation — build high-impact systems that shape the future of banking!

Lisbon-based opportunity with hybrid work model.

As a Senior C++ Developer – Financial Systems Integration, you will be working for our client, a leading player in the financial industry, focused on integrating cutting-edge software solutions for Fixed Income Trading and Risk Management. Your work will support complex interactions between internal and external entities, enabling seamless financial operations and innovative service-oriented architectures. Be part of a forward-thinking team driving digital transformation in finance and expanding your expertise in an evolving landscape.

Your main responsibilities:

  • Develop and maintain Fixed Income financial software based on Summit software, ensuring effective integration and collaboration with internal and external systems.
  • Learn Summit SDK, understand the overall Summit software ecosystem, and implement system functionalities.
  • Document all developments thoroughly using tools like JIRA and Confluence.
  • Acquire financial knowledge related to the client’s business processes.
  • Collaborate in code review processes—both manual and automatic.
  • Create and maintain automatic functional tests and unit tests for new developments.
  • Contribute to the evolution of non-regression testing tools and other productivity solutions.
  • Assist with DevOps tasks, including scripting and system deployment.

You're ideal for this role if you have:

  • Minimum 6 years of experience in software development, preferably in finance or related fields.
  • Strong skills in C++, shell scripting, C#, and SQL.
  • Experience with Git version control.
  • Nice to have: Summit SDK.
  • Nice to have: Python, Digital.ai (XLDeploy), Jenkins, Artifactory.
  • Knowledge of Back Office workflows such as clearing, confirmation, payments, and accounting (optional).
  • Financial products knowledge including credit derivatives, interest rate derivatives, FX, and options (optional).
  • Experience testing and mapping business processes and protocols (optional).

Language Required for the role:

  • Fluent English (C1 level or higher).

Eligibility for the role:

  • Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

https://itdsportugal.com/en/it-jobs/8191/?utm_source=itjobs

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