Junior / Mid-level Front Office Python Engineer (R&D / Trading Systems)

Junior / Mid-level Front Office Python Engineer (R&D / Trading Systems)

Full-Time 50000 - 65000 £ / year (est.) No working from home possible
Margo Group

At a Glance

  • Tasks: Design and develop Python-based tools for trading and research teams.
  • Company: Margo, a tech-native consultancy in financial services.
  • Benefits: Competitive salary, tailored training paths, and impactful work.
  • Other info: Great career growth opportunities in a supportive environment.
  • Why this job: Join a dynamic team and see the immediate impact of your contributions.
  • Qualifications: Strong Python skills and experience in Linux environments required.

The predicted salary is between 50000 - 65000 £ per year.

Python Developer – Front Office R&D Trading Systems

Location: London, UK

Employment Type: Permanent or Contract

About Margo

MARGO is a tech-native consultancy delivering high-value-added IT expertise to the financial services industry. We specialize in complex Front Office environments where software engineering, quantitative logic, and production robustness intersect. Our consultants work closely with trading and research teams on real-time trading platforms, pricing frameworks, and analytical systems.

The Role

You will join a Front Office R&D and Trading Technology environment, designing, maintaining, and evolving the ecosystem used by traders and quantitative teams. This role combines 70% Development & Engineering with 30% Production Support, giving you strong ownership of the platform.

The environment is characterized by rapid iterations, direct interaction with traders, and high reliability constraints. You will work primarily in Python, developing core frameworks, analytical libraries, and monitoring tools.

Key Responsibilities

  • Design, develop, and maintain Python-based core libraries and frameworks.
  • Work closely with traders and research teams to gather requirements for new analytics and trading tools.
  • Improve the performance, scalability, and maintainability of the Python platform.
  • Enhance existing monitoring, analysis, and control tools to support research workflows.
  • Provide L1/L2 support to Front Office users to ensure system stability during market hours.
  • Investigate and resolve production incidents efficiently.
  • Develop tools to improve system reliability and operational efficiency.
  • Contribute to the evolution of performance-sensitive and low-latency setups.

Requirements

Essential Skills

  • Strong Python Proficiency: Expertise in core Python development and performance‑aware coding.
  • Linux/UNIX: Solid knowledge of Linux environments for production and debugging.
  • Database Skills: Experience with SQL and relational databases.
  • Production Experience: Ability to work under pressure with strong troubleshooting and analytical skills.
  • Communication: Clear communication style with a structured problem‑solving mindset.

Valued (but not restrictive)

  • Experience in Front Office R&D or Electronic Trading environments.
  • Ability to read and interact with C++ code.
  • Knowledge of distributed architectures, caching, or in‑memory data handling.
  • Understanding of financial market concepts.

Education

Degree (or equivalent) in Computer Science, Engineering, Mathematics, Physics, or a related quantitative discipline.

Why Join Margo?

  • High Impact: Work directly with traders and quantitative teams in a demanding Front Office environment.
  • Balanced Role: A mix of technical development and production ownership ensures you see the immediate impact of your work.
  • Career Growth: Benefit from a human-sized structure with close follow‑up and tailor‑made training paths.

Please note - We do not offer visa sponsorship for this position.

Interested? Motivated? Apply on our website or at staff.uk@margo.com

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Junior / Mid-level Front Office Python Engineer (R&D / Trading Systems) employer: Margo Group

Margo is an exceptional employer that fosters a dynamic and supportive work environment, perfect for Rapid Application Developers looking to make an immediate impact in the finance sector. With a strong emphasis on tailored training and skill development, employees are encouraged to grow within a human-sized company that values collaboration and innovation. Located in London, Margo offers the unique advantage of working directly on the trading floor, providing invaluable exposure to high-profile projects and direct interaction with traders, ensuring a rewarding and meaningful career path.

Margo Group

Contact Details:

Margo Group Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Junior / Mid-level Front Office Python Engineer (R&D / Trading Systems)

Tap into Campus Networks

If you're still in uni, don’t forget to engage with your campus's career services and attend finance-related events. Banks often do presentations and recruitment drives on campus, so put yourself out there and make use of these opportunities to show off your passion for the field.

Get Certified

Consider pursuing relevant certifications like the CFA or ACCA while you’re job hunting. They not only beef up your CV but also connect you with professional bodies which can lead to networking opportunities and even job openings in banking and financial services.

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Join finance-focused groups on platforms like LinkedIn and engage in discussions. This can really help you stand out from the crowd, allowing potential employers to see your knowledge and interest in industry trends. Plus, you might stumble upon job postings shared exclusively within the group.

Apply Directly and Be Proactive

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We think you need these skills to ace Junior / Mid-level Front Office Python Engineer (R&D / Trading Systems)

Python Proficiency
Linux/UNIX Knowledge
SQL and Relational Databases Experience
Troubleshooting Skills
Analytical Skills
Communication Skills
Performance-aware Coding

Some tips for your application 🫡

Show Off Your Numbers!:In the banking and financial services world, quantifiable achievements are key. Make sure your CV highlights your grades in relevant subjects, any financial certifications you hold, and specific projects where you've delivered measurable results. Employers love to see how your skills translate into real-world success.

Tailor Your Cover Letter to the Role:When applying for a full-time position, your cover letter should make a direct connection between your experience and the job description. Don't just state your enthusiasm for finance—dive into how your background in banking or financial analysis sets you apart. Let your passion shine through while being specific about what you can bring to Margo Group.

Include Relevant Financial Software Experience:If you've worked with financial modelling tools or software like Excel, SAP, or specific analytical tools during your studies or internships, bring that up! Highlighting your proficiency can really make your application pop and show you're ready to hit the ground running in a full-time role.

Research and Reflect:Before hitting that 'apply' button on Margo Group's website, do a little digging. Look up their recent projects, values, and culture. Reflecting their ethos in your application can make a huge difference and show you’re genuinely interested in being part of the team!

How to prepare for a job interview at Margo Group

Brush Up on Financial Analysis Skills

Make sure you're well-versed in financial concepts and analytical techniques relevant to banking and financial services. Get comfortable with tools like Excel for modelling or financial forecasting, as technical questions in this area are common during interviews with Margo Group.

Prepare for Case Studies

Expect to tackle case studies that demonstrate your problem-solving skills in real-world banking scenarios. Familiarise yourself with the types of problems you might face—think risk assessments or investment evaluations—and be ready to articulate your thought process clearly.

Show Your Passion for Finance

Since this is a full-time position, employers at Margo Group will be keen to see your genuine interest in finance. Be prepared to discuss recent industry trends or news articles that excite you, showcasing your enthusiasm and engagement with the field.

Network with Industry Professionals

Before your interview, reach out to current or former Margo Group employees on platforms like LinkedIn. They'll offer unique insights into the company's culture and the interview process, which can give us a delightful edge in showcasing a good fit for the team.