Senior Python Engineer - Trading Systems & Data Automation

Mondrian Alpha; Greater London; On-site; GBP 75,000 - 110,000; Full time

Job summary

Mondrian Alpha, a leading hedge fund, is hiring a Software Engineer to join its London office. You will design and build Python-based applications supporting trading workflows and data infrastructure, with ownership of development from design through production deployment.

Responsibilities include data pipelines, dashboards, and automation tools, working closely with business stakeholders to streamline operations and reporting. Prior experience in finance is a plus.

Qualifications

• Strong commercial software development experience with Python.
• Proficiency in SQL, relational databases and data manipulation with Pandas/NumPy.
• Experience building web applications, APIs or full‑stack solutions.
• Understanding of software engineering principles and data‑intensive apps.
• Ability to work with both technical and non‑technical stakeholders.
• Exposure to AWS or cloud infra and data visualization tools.
• Financial services experience is a bonus.

Responsibilities

• Design and develop Python-based applications to support trading-related processes.
• Build scalable data pipelines, databases and reporting solutions.
• Develop internal web apps, dashboards and automation tools.
• Collaborate with stakeholders to translate requirements into technical solutions.
• Modernise existing systems and improve performance and reliability.
• Own full SDLC from design to production deployment.

Skills

Python

SQL

Pandas

NumPy

Web APIs

Full-stack

Problem solving

Stakeholder communication

AWS

Tools

Plotly Dash

Tableau

Power BI

Job description

Mondrian Alpha, a leading hedge fund, is hiring a Software Engineer to join its London office. You will design and build Python-based applications supporting trading workflows and data infrastructure, with ownership of development from design through production deployment.

Responsibilities include data pipelines, dashboards, and automation tools, working closely with business stakeholders to streamline operations and reporting. Prior experience in finance is a plus.