April 8, 2026
Python Specialist
Senior • Remote
Warsaw, Poland
Introduction & Summary
We are seeking a highly skilled Python Specialist with extensive experience in building and maintaining production-grade Python systems. The ideal candidate must demonstrate deep fluency in modern Python features and a robust understanding of RDBMS principles. You will play a crucial role in both enhancing legacy systems and developing new applications with high standards.
Main Responsibilities
As a Python Specialist, your core duties will include:
- Developing and maintaining Python applications in a production environment.
- Implementing features using SQLAlchemy 2.0, ensuring efficient database interactions.
- Managing schemas in PostgreSQL with a focus on optimization.
- Overseeing database migrations using Alembic.
- Utilizing FastAPI to construct and deploy REST APIs.
- Refactoring existing applications to adopt modern architectures.
- Interfacing with AWS services for deployment and infrastructure management.
- Employing Terraform for infrastructure-as-code methodologies.
- Executing comprehensive testing strategies using pytest.
- Implementing behavior-driven testing practices.
Key Requirements
- Extensive experience with Python, including features such as type hints and decorators.
- Hands-on experience with SQLAlchemy 2.0 and PostgreSQL.
- Strong understanding of RDBMS fundamentals and database migrations (Alembic).
- Experience with FastAPI or similar ASGI frameworks.
- Ability to refactor legacy applications while serving production traffic.
- Familiarity with AWS cloud services and Terraform.
- Proficient in Docker for application deployment.
- Strong testing discipline with pytest and knowledge of behavior-driven testing.
- Experience with Domain-Driven Design principles.
- Familiarity with CI/CD best practices using GitHub Actions.
Nice to Have
- Background in Operations Research or Mathematical Optimization.
- Experience in regulated industries such as pharmaceuticals or medical devices.
Other Details
This position involves collaboration in a regulated environment, with a strong focus on compliance and documentation standards. Remote working options may be available.
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Warsaw, Poland
8,000 - 11,000 EUR
🏢 Summary: The offer is for a Staff Python Developer to design and build scalable backend services, internal core banking tools, and customer-facing banking systems deployed in the cloud. The role focuses on system design, third-party integrations, and improving engineering standards within a remote team. It combines hands-on development with technical leadership and architectural decision-making. 🗂️ Requirements: Strong experience with Python and backend development, Experience with Django framework, Experience designing scalable backend services and APIs, Hands-on experience with AWS, GCP, or Azure, Strong knowledge of PostgreSQL or MySQL, Experience with NoSQL databases, Knowledge of CI/CD and DevOps practices, Experience with logging, monitoring, and tracing tools, Understanding of security best practices and secure coding, Strong system design and architectural skills, Ability to lead technical initiatives and mentor engineers 📃 Skills: Python, Django, PostgreSQL, MySQL, Redis, MongoDB, DynamoDB, AWS, GCP, Azure, CI/CD, DevOps, Logging, Monitoring, Tracing, APIs, NoSQL, Security 🏢 Description: We are looking for a Staff Python Developer to expand our small remotely working team. Join us to develop internal core banking tools and customer-facing services for banking products. Systems developed by the group are used by customers daily and are critical to the company's success. They are based on Django and PostgreSQL and are deployed to AWS. In addition, you will play a central role in the development of new features and integration with third-party systems to improve the workflows of commercial teams worldwide. Responsibilities: Design and implement software solutions and integrations with third-party systems to support business activities Introduce and advocate for coding best practices, ensure well-tested and maintainable code Collaborate with other engineers, product managers and UX designers throughout the development to involve them in the decision making and set expectations Contribute to the documentation to share knowledge and increase the team's expertise Investigate and apply new technologies to make our systems simpler and more efficient Experience designing and building scalable backend services and APIs Hands-on experience with cloud platforms: AWS, GCP, or Azure Strong database expertise: PostgreSQL/MySQL, NoSQL databases (Redis, MongoDB, DynamoDB, etc.) Strong CI/CD and DevOps practices knowledge Experience with observability tooling:Logging, Monitoring, Tracing Understanding of security best practices and secure coding standards 100% commitment to our team - we maintain a single-employment policy Leadership & Staff-Level Expectation: Strong system design and architectural decision-making skills Ability to mentor senior and mid-level engineers Proven ability to lead technical initiatives across multiple teams Strong system design and architectural decision-making skills Ability to mentor senior and mid-level engineers Experience driving engineering standards and best practices Ability to influence technical direction without direct authority Strong ownership mindset and ability to lead ambiguous projects Ability to balance delivery speed with technical quality and scalability What we offer: Competitive salary tailored to your skills and experience Participation in the company stock option program (equity) 20 paid days off annually, starting after a 3-month trial period No corporate nonsense — just real work, focused engineering, and minimal process overhead Flexible work environment with trust-based collaboration Opportunity to work on meaningful, technically challenging projects Direct communication and fast decision-making processes