Senior Python Software Engineer - Trading IT

Ready to dive deep into code and significantly shape the technical landscape of our energy trading team? Our Trading IT team is seeking a Senior Python Software Engineer to build, optimize, and evolve critical applications. If you're a seasoned expert in high-performance Python, cloud solutions, and you love solving complex problems with code, this role offers direct impact as well as technical leadership.

What you'll do

• Develop: design, develop, and deploy complex, high-performance Python applications for energy trading.
• Technical authority: hold a strong voice in technical design and implementation decisions, ensuring system scalability, reliability, and efficiency.
• Performance obsession: expertly optimize systems, with deep expertise in IO-bound operations and advanced asynchronous patterns, leveraging structured concurrency.
• Cloud leadership: implement and guide our AWS solutions using Infrastructure as Code, ideally with AWS CDK.
• Full lifecycle ownership: work autonomously with business stakeholders to define requirements, refine specifications, and independently drive the development and delivery of solutions from concept to production.
• Mentorship & best practices: champion engineering best practices and provide technical guidance to the team, fostering a culture of high-quality code and continuous improvement.
• Strategic impact: translate complex business needs and market insights into sophisticated technical solutions through hands-on coding.

What we're looking for 

• A Python expert: extensive professional experience - 5+ years - in  Python, including advanced features, performance tuning, and designing robust systems.
• Asynchronous authority: deep expertise in structured concurrency Python and practical experience with its application in production systems.
• AWS acumen: proven experience in building and deploying solutions on AWS, coupled with strong Infrastructure as Code experience (ideally AWS CDK).
• An optimization master: an exceptional understanding of system and database performance optimization, with a focus on efficient access patterns and data structure design.
• A product mindset: a demonstrated ability to engage directly with business users, elicit requirements, propose solutions, and independently manage the delivery of impactful features.
• CI/CD & Git Guru: proficient with Git and extensive experience building and maintaining robust CI/CD pipelines.
• Hands-on mentorship: demonstrated ability to lead technical initiatives through coding, mentor engineers, and drive the adoption of engineering best practices. 
• Impact driven: proactive, adaptable, and takes ownership in a dynamic environment where your code directly impacts trading profitability.
• Energy interest: a strong interest in the energy markets and a desire to deepen your business domain understanding.
• Languages: proficiency in English, Dutch is a plus but not required

What we offer you

You will join a team of dynamic and young professionals, passionate about the integration of renewable energy flows into the energy markets YUSO is active in. This job opening includes remote work and/or working from the YUSO offices in Waregem, Belgium. Our office space is one of the best equipped working environments for energy market activities, offering a multitude of multimedia to connect with other colleagues remotely.  As a company, YUSO focuses on the well-being of its employees and the team-spirit as a whole!

Our remuneration is market competitive and offers  extra benefits like health- and group insurance, meal vouchers, IT-equipment supporting remote work, home-office compensation and a mobile plan.  It also includes a variable part linked to the performance of the team.