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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on Python platforms for credit risk models within Financial Engineering. Key technologies include Python, Git, CI/CD, NumPy, SciPy, pandas, plus Big Data tools like PySpark and containerization with Docker, Kubernetes. Responsibilities cover developing and optimizing libraries, team leadership, risk model deployment and collaboration with users and stakeholders. Flexible cooperation models, health benefits and development support are offered.
from: 1 July 2026
to: 31 July 2026
28 000 - 36 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
Python
Git
Optional technologies
NumPy
SciPy
pandas
polars
Matplotlib
PySpark
Docker
Kubernetes
Jenkins
Operating system
Windows
Our requirements
- Senior-level experience in building and testing Python applications in a professional environment.
- Previous experience leading development teams.
- Strong understanding of coding and code review best practices.
- Ability to write Pythonic code with a strong eye for code quality and efficiency.
- Proficient with Git version control and Agile development practices.
- Experience with CI/CD methodologies.
Optional
- MSc or PhD in Computer Science, Mathematics, Physics, Operations Research, or related technical fields.
- Knowledge of risk analytics and financial modelling.
- Experience with scientific stack (NumPy, SciPy, pandas, polars, Matplotlib).
- Familiarity with Big Data tools such as PySpark.
- Experience working with Docker, Kubernetes, and Jenkins.
- Background in developing open-source tools or Python libraries.
Your responsibilities
- Contribute to the design and development of our credit risk modelling toolkit.
- Ensure proper and efficient toolkit usage and gather feedback for continuous improvements.
- Collaborate directly with end users to understand and implement requirements.
- Develop and maintain a large-scale Python library and robust testing suites.
- Lead and mentor a team of developers, managing project portfolios and deliverables.
- Engage with senior non-technical stakeholders, ensuring alignment and transparency.
- Drive accelerated prototype development impacting global risk analysis and measurement.
- Note: Detailed project information will be shared during the recruitment process.
About the project
We are looking for a Lead Python Developer to join the Financial Engineering unit within Global Risk Analytics (GRA). This role is part of the Model Enablement team, which collaborates closely with Wholesale Credit Risk modellers and drives adoption of toolkits for credit risk model development.
The position involves building and improving Python-based platforms, contributing to the development of large libraries and testing frameworks, and ensuring efficient workflows and consistent implementation of risk models globally. You will also be responsible for optimizing model deployment processes and streamlining operations to reduce cost, time, and risk.
Sounds like your kind of challenge?
This is how we organize our work
This is how we work
agile
This is how we work on a project
- Continuous Deployment
- Continuous Integration
Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.
What we offer
- Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.).
- Hybrid work setup – (1 day Office / 4 days Remote).
- Collaborative team culture – work alongside experienced professionals eager to share knowledge.
- Continuous development – access to training platforms and growth opportunities.
- Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more.
- High quality equipment – laptop and essential software provided.
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of professional training & courses
- life insurance
Mindbox Sp. z o.o.
At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.
Lead Python Developer
28k–36k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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