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What will you do as a Lead Developer Python?

At Ortec Finance, we help financial institutions make better investment and risk decisions through advanced models and technology. Our Economic Scenario Generator is one of our core solutions — a sophisticated simulation framework that produces consistent, data-driven projections of economic and financial variables. These scenarios support our clients in strategic decision-making, risk management, and long-term financial planning.

Why do we need a Lead Developer Python?

The Scenario Analysis & Valuation (SAV) department at Ortec Finance is accelerating its innovation roadmap by developing the next generation of our Economic Scenario Generator – in Python! To help and enable the team responsible, we’re looking for a highly experienced Lead Python Developer to spearhead the development of our next generation Economic Scenario Generator. The team collaborates closely with quantitative financial analysts, to translate complex mathematical models into robust, flexible, production-grade software. As Lead Developer Python, you will enable and guide the quantitative financial developers and analysts to design and build robust, production-grade software together.

Introducing: your team!

The team currently consists of 6 enthusiastic and highly educated professionals with a variety of backgrounds and experiences. With more than 30 people in the solution, there is always someone to help you (personal initiative and helping each other is one of the core values of Ortec Finance we hold high). You can find testimonies from our colleagues here or apply for the position. If you are invited for a job interview you will see, we put our money where our mouth is.

What do we offer?

We offer you a challenging and rewarding role in a growing company, while being part of an inspirational global business with a lot of opportunities for personal and professional career development.

The salary range is between 90k and 110k EUR on yearly basis (including variable pay, 13^th month, holiday allowance) for a 40-hour workweek, depending on your role, competency profile and experience.

In addition to a competitive salary, we offer you excellent benefits, including:

• An open and inclusive work environment (including active staff association with a broad variety of activities, staff social events, annual summer, and Christmas party and much more) with inspiring, friendly, and enthusiastic colleagues.

• Opportunities to develop yourself with a training program as well as weekly research and knowledge meetings

• Hybrid working (Working from the office in Rotterdam or Amsterdam with possibility to partly work from your home office)
• The prospect of a permanent contract, because we strive for a long-term collaboration

Who are you?

As Lead Developer Python, you are a team player with excellent communication and collaboration skills. You have a proactive attitude, and you enjoy mentoring others; growing a development team excites and motivates you! With your result orientated and energetic mindset, you can inspire everyone to get the best out of themselves. You have a sound understanding of mathematics and data science, and you have proven yourself with cloud platforms (such as Azure), SQL and modern DevOps practices. You understand and are comfortable working in a context-low working culture. And of course, you recognize yourself in our core values.

In addition, the following aspects are important:

• Bachelor+ degree in Computer Science, Software Engineering, or a related technical field.
• At least 7 years of professional software development experience, including experience in technical lead roles.
• Strong proficiency in Python and its ecosystem (NumPy, Pandas, SciPy)
• Excellent understanding of software architecture (generally, as well as Python specific), design patterns, and object-oriented programming.
• Interest or background in quantitative finance, econometrics, or stochastic modeling is a strong plus.

Who are we?

Working at Ortec Finance means working in a continuously innovating world where science, academics, and mathematics go hand in hand, since models are key in helping Ortec Finance’ clients with complex financial decisions. Because that is what we love: helping people to make better decisions.

Here, your daily job is very in-depth, based on evidence and relevant to society. It means a job that matters. Your learning curve is steep; we learn something new every single day. And we need to, because continuous innovation is key. Especially in a fintech world. We thrive on innovation, challenging the status quo at every turn.

We believe everyone should have the confidence and tools to make investment decisions that align with their personal goals, for example financial, environmental, or social. That’s why we build technology and insights that help individuals and organizations make informed, sustainable choices. Together, we aim to support a future where finance serves both people and the planet. For more information, check out the video’s on our careers page.

Ortec Finance is a global leader in technology and solutions for risk and return management. Our mission is to empower individuals and organizations to navigate the complexity of investment decisions with confidence. We achieve this by delivering advanced, accessible, and innovative solutions that support responsible investment decision-making for financial institutions worldwide.Our strength lies in combining cutting-edge models, forward-thinking technology, and deep market expertise to create meaningful, data-driven insights. Learn more at www.ortecfinance.com.

Diversity & Inclusion

One of the core values of Ortec Finance is personal initiative and helping each other. Our D&I policy reflects exactly that: showing personal initiative to be who you want to be and being open to people with a different background or idea. We have respect for opinions of others and appreciate the differences that make us all unique individuals with our own strengths and challenges. You can find our full D&I Statement here.

More information or do you want to apply?

For more information regarding this position please contact Maruska, Recruitment Assistant +31 10 700 5000 or send an email to recruitment@ortec-finance.com. We offer no sponsoring as knowledge migrant for this position. A personality assessment and take-home test is part of the recruitment process.

Ready to be part of our team? Click the application button to get started!

We hope to meet you soon!