At Syberry, we believe that great software starts with a simple principle: being a strategic partner who helps clients achieve their goals.We are a global team that builds custom software for industries ranging from finance to healthcare. Our mission is to raise the bar for the entire software industry, that's why we invest in strong engineering practices, automation, and clear processes to make our work predictable, efficient, and meaningful.Join us as a Senior Python Developer to drive cutting-edge solutions while growing in a collaborative, forward-thinking environment.The ProjectWe are building a financial platform that will research and run systematic trading strategies.  We collaborate with the quant team on strategy research, risk modeling, and portfolio optimizations. Our software engineering team embeds the corresponding logic into the platform. Similar systems already exist on the market, but quants need to use several of them to research and run trading strategies. Our client’s idea is to build a system that can do it all.You can learn more about the project in our case studiesResponsibilities Design and implement engineering solutions that directly support the customer’s business goals Collaborate closely with quantitative analysts to gather, clarify, and refine requirements through direct communication (no intermediary Business Analyst) Take ownership of the end-to-end delivery process, from understanding the problem to deploying stable and maintainable solutions Present completed work during regular demo sessions, clearly explaining the value delivered and technical decisions made Contribute to maintaining high production stability and quality, proactively identifying and addressing potential issues Requirements 5+ years of professional experience in Python software engineering Strong communication skills and fluency in English Comfortable working directly with stakeholders (no BA on the project) Confident in working with: Pandas DataFrames SQLAlchemy SQL (PostgreSQL, MySQL, or similar dialects) Python virtual environments Pytest (or similar test frameworks) Intermediate+ experience with: AWS (S3, IAM) or a similar cloud platform Multiprocessing, multithreading, asyncio Availability until 7 PM (Poland time) at least 3 days a week for crossover with a client located in NY Benefits Direct influence on the product. Your ideas and contributions shape the roadmap and outcomes Collaboration with experienced Wall Street professionals. Gain insights and grow alongside domain experts Lean processes, minimal overhead. Focus on delivering value, not navigating bureaucracy Small, agile teams. Work closely with talented peers in a high-impact environment B2B employment model with: 20 paid workdays off per year 3 paid sick days Ongoing education through Syberry Academy. Develop your skills with company-supported learning opportunities Remote-friendly culture. Choose the setup that works best for you: fully remote, hybrid, or in-office Team and corporate events. We value connection and fun, with regular team-building and company-wide celebrations Financial support for key life events. Because we care about you beyond the job