Senior Python DeveloperStraal is an international provider of payment, optimisation, and fraud prevention solutions for future-minded small and medium businesses. The company offers a comprehensive suite of products that make accepting digital payments easy, convenient, and fully secure for merchants and their customers. You will work on an a project related to processing open banking and alternative payment methods, creating a seamless payment solution for our clients.We offer a B2B contract with a competitive salary range of 21 000 - 25 000 net PLN (+ additional vacations & sick days), depending on your experience. Additionally, we provide 26 paid days off per year and 100% paid sick leave.We are working from our office in Warsaw, which provides the core environment for our work. You have the flexibility to work remotely twice a week. 🌍Your responsibilitiesYour main areas of focus:Implementing and maintaining projects in the fintech industry.Programming business logic, APIs, data models, and testing.Conducting code reviews.Participating in feature design.Participating in operations and deployments.Minimum qualifications:At least 5 years of professional experience as a Python DeveloperFamiliarity with FastAPI, Pydantic, and SQLAlchemyExpertise in asynchronous programming and building modern, scalable services.Strong proficiency in RDBMS with advanced SQL skills.Solid understanding of HTTP, REST, web-services and internet standards.Demonstrated ability to write efficient and maintainable code, with a focus on performance optimization.Awareness of security best practices and an interest in addressing security challenges.Skilled in using Git for version control and collaboration.Strong problem-solving and analytical abilities, with a proactive approach to tackling complex issues.Excellent communication skills, a collaborative mindset, and a willingness to share knowledge and mentor others.Ability to work independently while contributing effectively to the team’s growth and success.Preferred qualifications:Experience in FinTech, payments, open banking or financial systems.Familiarity with DevOps practicesFamiliarity with Kubernetes (K8s) from a developer's perspective.Experience with Linux/macOS operating systems.See what perks we've prepared for you.Our employees' health and personal growth are what we care about. Also, we do not forget about the little things that make our office life fun.Health & WellbeingWe care about our employees’ health. We offer private medical care and a Multisport card. Growth supportAs your startup grows, there’ll be ample promotion opportunities. Employees have unlimited access to educational platforms. Work You will have 26 days off, regardless of how long you’ve been with us. Sick days are paid in full. We have a flexible schedule, and we operate from a comfortable office in Warsaw Spire.CommunityWe believe in a culture of appreciation. We organize office theme parties, contests, and integration events.