Developer C# / .NET – X ONE Pricing

Responsibilities

GBTO provides the most reliable, flexible and efficient Risk & Finance platform and delivers the shared market data repository for our partners in MARK, RISQ & DFIN to:

• Meet the strategic business needs of GBIS.

• Meet our regulatory commitments and secure the provision of reports to regulators.

• Optimize capital requirements.

• Distribute certified data.

• Manage and ensure the consistency of the PNL, Market, Liquidity and Credit Risks, and Accounting and Finance for the Bank

• Contribute to the digital transformation of GBIS.

GBTO/PRE/CFI provides Fixed Income market risk calculators to our partners on Rates and FX. X-ONE / Riskone is a key application where pricing curves definition are used to project the risk in the calculators. You will work on highly visible and business‑critical systems that price financial products, distribute real‑time market data, and support trading activities in a demanding environment characterized by performance, low latency, and reliability constraints.

This role combines feature development, test framework engineering and L3 support critical to delivering robust, high‑quality pricing and reliable solutions.

Your Responsibilities

• Design and develop pricing features aligned with business and technical roadmaps

• Participate in modernization initiatives, including .NET to .NET Core transformations

• Contribute to performance‑critical and low‑latency system components

• Participating in key strategic projects to support the business and the bank ambition

• Design, refactor, and optimize automated test frameworks to ensure

  • Functional coverage of pricing feature

  • Improved stability and execution performance

  • Adoption of testing best practices

• Develop and maintain unit and non‑regression tests

• Collaborate closely with Traders, Sales, and IT teams across the pricing chain

• Work on a large‑scale codebase

Participating in production activities and application support

Profile required

Competencies required   

• Strong experience in C# / .NET / .NET Core
• Solid understanding of software design, testing, and performance optimization
• Knowledge in Finance, especially market risks process and fixed income products
• Ability to work with tight deadlines
• Organized, autonomous, and collaborative, with a strong sense of ownership
• Collaboration and team spirit
• Master’s degree in computer science, engineering, or equivalent job experience

Technical Environment

• C#, .NET, .NET Core
• REST APIs
• CI/CD pipelines
• GitHub, Jenkins, JIRA
• Sonar
• MongoDB, MySQL
• RabbitMQ
• Elasticsearch & Kibana
• High performance and low latency systems
• AI tools

Prior work experience required:

• At least 2 years of Market Risk and PnL experience at a large bank or Insurance
• At least 3 years of experience as a developer

Why Join Us?

• Work at the heart of a mission critical pricing ecosystem
• Tackle high impact technical challenges in real time financial systems
• Collaborate daily with business and IT experts in an international environment
• Grow your skills in a culture that values innovation, reliability, and engineering excellence
• Build a long term career within a leading global financial institution
   

LANGUAGE: 

Ability to communicate in English, both orally and in writing, is a requirement as the person in this position will need to collaborate regularly with colleagues and partners in the United States.

Due to US Federal Securities law that may apply to this position, candidates who will apply for this position may be required to submit to an enhanced background screening, including the collection of their fingerprints by a third-party vendor selected by the Financial Industry Regulatory Authority ("FINRA").