Lead Software Engineer (C#.NET) - Data & AI Products

Lead Software Engineer(C#. NET) - Data & AI Products

WHAT MAKES US, US Join some of the most innovative thinkers in Fin Tech as we lead the evolution of financial technology.

If you are an innovative, curious, collaborative person who embraces challenges and wants to grow, learn and pursue outcomes with our prestigious financial clients, say Hello to Sim Corp!

At its foundation, Sim Corp is guided by our values — Caring, Customer success-driven, Collaborative, Curious, and Courageous.

Our people-centered organization focuses on skills development, relationship building, and client success.

We take pride in cultivating an environment where all team members can grow, feel heard, valued, and empowered.

If you like what we’re saying, keep reading!

WHY THIS ROLE IS IMPORTANT TO US

Team Prometheus builds AI-enabled capabilities that help clients and internal users get better insight from post trade data.

The team works at the intersection between enterprise data, AI applications, and client-facing product innovation.

We are looking for a new colleague to our agile team, who can take a leading role in designing, building, and evolving our agentic application.

This is a role for an experienced engineer who combines strong C#/.

NET skills with practical understanding of AI, LLM-based systems, data integration, and responsible software delivery.

You will help turn complex client and product needs into scalable, maintainable, and reusable capabilities.

You will work closely with engineers, product stakeholders, architects, and other AI specialists to build solutions that are reliable, secure, testable, and suitable for enterprise use.

As an agile team member, you will not only deliver code.

You will influence architecture, raise engineering standards, and help shape how our AI applications are built and operated in a regulated financial technology context.

AI will play an important role both in what we build and how we build.

We actively explore modern engineering practices and AI-assisted development workflows, including tools such as Claude Code, to support experimentation, learning, and implementation speed.

We value people who care deeply about creating meaningful solutions — not only from a technical perspective, but also from a user and business perspective.

We are looking for curious, creative, and collaborative engineers who want to help shape both products and ways of working.

• WHAT YOU WILL BE RESPONSIBLE FOR
• Build and integrate AI-powered application features, including LLM-based workflows, retrieval-augmented generation, agent integrations, and data-driven user experiences
• Translate complex product- and client needs into clear technical designs and sustainable implementation plans.
• Contribute to component architecture, integration patterns, performance, reliability, and long-term maintainability.
• Stay current with relevant AI technologies, frameworks, patterns, and limitations, and help to apply them pragmatically.
• Raise the quality bar through code reviews, design reviews, automated testing, CI/CD, observability, and secure development practices.
• Collaborate and share knowledge with other engineers, and help shaping the ways of working to grow the team’s engineering capability and AI application maturity.
• Experience designing evaluation frameworks for AI output quality and production monitoring.
• WHAT WE VALUE
• Core Engineering
• 5+ years of experience with C#/. NET and backend development in enterprise or product software environments.
• Strong understanding of object-oriented design, clean code, API design, integration patterns, and maintainable software architecture.
• Experience with automated testing, code reviews, CI/CD, Git-based workflows, and modern engineering practices preferably on Azure Dev Ops.
• Experience with cloud-based development and services, preferably Azure.
• AI and Data
• Good practical understanding of AI application development, including LLM-based solutions.
• Familiarity with prompting strategies, retrieval-augmented generation, agentic workflows, evaluation methods, and common LLM limitations.
• Curiosity and discipline to follow the rapidly evolving AI landscape and apply new approaches pragmatically.
• Experience with cloud-based data platforms preferably - Snowflake,
• Leadership and Collaboration
• Thriving in an agile team environment
• An eye for how to break outcomes into smaller batches/deliverables, with fast feedback loops
• Confidence in breaking down ambiguous problems and turning them into clear technical direction.
• Experience leading technical work, shaping designs, and taking ownership of important components or services.
• Ability to mentor junior colleagues and help the team improve engineering practices.
• Strong communication skills and the ability to collaborate across disciplines and locations.

Nice to have Experience from fintech, financial services, investment management, or another regulated industry.

Experience designing evaluation frameworks for AI output quality and production monitoring

BENEFITS

• Attractive salary, bonus scheme, and pension are essential for any work agreement.
• However, in Sim Corp, we believe we can offer more.

Therefore, in addition to the traditional benefit scheme, we provide a good work and life balance: flexible working hours and a hybrid workplace model.

• Simcorp follows a global hybrid policy, asking employees to work from the office two days each week while allowing remote work on other days.
• On top of that, we have IP sprints where you have 3 weeks per quarter you can spend on developing your skills as well as contributing to the company development.
• There is never just only one route - we practice a personalized approach to professional development to support the direction you want to take.

WHO WE ARE?

For over 50 years, we have worked closely with investment and asset managers to become the world’s leading provider of integrated investment management solutions.

We are 3,000+ colleagues with a broad range of nationalities, education, professional experiences, ages, and backgrounds.

Sim Corp is an independent subsidiary of the Deutsche Börse Group.

Following the recent merger with Axioma, we leverage the combined strength of our brands to provide an industry-leading, full, front-to-back offering for our clients.

Sim Corp is an equal opportunity employer and welcome applicants from all backgrounds, without regard to race, gender, age, disability, or any other protected status under applicable law.

We are committed to building a culture where diverse perspectives and expertise are integrated into our everyday work.

We believe in the continual growth and development of our employees, so that we can provide best-in-class solutions to our clients.

Sim Corp is a provider of industry-leading integrated investment management solutions for the global buy side.

Founded in 1971, with more than 3,000 employees across five continents, Sim Corp is a truly global technology leader that empowers more than half of the world’s top 100 financial companies through its integrated platform, services, and partner ecosystem.

Sim Corp is a subsidiary of Deutsche Börse Group.

As of 2024, Sim Corp includes Axioma, the leading provider of risk and management and portfolio optimization solutions for the global buy side.

Discover more about our culture, recruitment process, and commitment to promoting meaningful work

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