Staff Python Engineer

HRLabs is excited to present a great opportunity to join a leading investment technology team. Our client is redefining how technology powers financial markets, combining systematic trading, quantitative research, large-scale data platforms and AI solutions. Key Responsibilities: <> Own architectural direction for critical systems and drive long-term technical decisions across multiple teams. <> Design and build scalable backend systems, APIs, distributed applications and high-performance data pipelines for large financial datasets. <> Work across relational, NoSQL and time-series databases, with a strong focus on performance, resilience, observability and production readiness. <> Act as a technical partner to engineers, researchers and platform teams, translating complex requirements into clear technical strategies. <> Raise engineering standards through hands-on mentorship, code reviews, testing practices and technical guidance. Your Background: <> 8+ years of professional software development experience, with deep expertise in Python or another object-oriented language and the ability to quickly reach expert-level Python proficiency. <> Proven experience owning architecture and technical direction for production systems operating at significant scale. <> Strong academic background in Computer Science, Mathematics, Engineering, Physics or a related quantitative field. <> Strong understanding of distributed systems, orchestration, performance optimisation and large-scale data processing. <> Excellent knowledge of Linux, Git and modern software engineering practices, including testing, monitoring and deployment. Bonus Skills: <> Experience with the Python scientific stack, including pandas, NumPy, SciPy and scikit-learn. <> Familiarity with technologies such as Prometheus, InfluxDB, Elasticsearch, Kafka, Hadoop or Spark. <> Experience with LLMs, open-source contributions or engineering standards and communities of practice. Our Client Offers: <> Work on challenging problems at the cutting edge of finance and technology. <> Small, agile teams with high autonomy and impact. <> Hybrid working model and flexible schedules. <> Professional development opportunities, internal tech talk and external conferences. Join a forward-thinking team and take your career to the next level. Apply now! All documents will be treated in the strictest confidentiality. Only short-listed candidates will be invited for an interview. HRLabs License 3357/13.07.2022