Python Programmer/ Developer in London

Python Programmer/ Developer in London

London Full-Time 70000 - 90000 £ / year (est.) Home office (partial)
Harrington Starr

At a Glance

  • Tasks: Design and build robust systems for advanced trading analytics.
  • Company: Dynamic fintech firm revolutionising trading technology for institutional clients.
  • Benefits: Hybrid work model, competitive salary, and opportunities for professional growth.
  • Other info: Fast-paced environment with a focus on innovation and collaboration.
  • Why this job: Join a high-performing team and shape the future of trading technology.
  • Qualifications: 5+ years in platform engineering with strong Python skills; finance knowledge is a plus.

The predicted salary is between 70000 - 90000 £ per year.

A growing fintech business building advanced analytics and execution technology for institutional clients across the derivatives space. Their platform is used by leading hedge funds and asset managers to support relative value, volatility, and macro trading strategies. You’ll play a key part in designing and evolving production systems used by traders, quants, and portfolio managers, with ownership across reliability, scalability, and performance.

The role would suit someone with strong platform engineering instincts who enjoys building robust systems in fast-moving trading environments.

  • Design and build core platform components including pricing services, APIs, and data pipelines.
  • Develop scalable ingestion and processing systems for market, macro, and time-series data.
  • Own the full software lifecycle across design, coding, testing, monitoring, and continuous improvement.
  • Improve observability, deployment processes, and developer experience across the platform.

Strong software engineering fundamentals across architecture, design, and quality practices.

  • ~5+ years’ experience in platform engineering, quant development, data engineering, or software engineering within financial services.
  • Strong Python experience in production environments.
  • Exposure to C++ or Rust would be beneficial for performance-sensitive components.
  • Experience building data infrastructure such as APIs, pipelines, and time-series systems.
  • Good understanding of financial markets, ideally rates or derivatives.

Opportunity to shape a growing platform in a high-performing fintech environment.

Python Programmer/ Developer in London employer: Harrington Starr

Join a dynamic fintech company in London that champions innovation and excellence in the financial services sector. With a strong focus on employee growth, you will have the opportunity to work alongside industry experts, enhancing your skills in a collaborative and fast-paced environment. The hybrid work model promotes a healthy work-life balance, while the company's commitment to cutting-edge technology ensures that you are at the forefront of advancements in analytics and execution systems.

Harrington Starr

Contact Details:

Harrington Starr Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Python Programmer/ Developer in London

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Harrington Starr or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Harrington Starr.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Harrington Starr.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Harrington Starr that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Python Programmer/ Developer in London

Python
Platform Engineering
Quant Development
Data Engineering
Software Engineering
C++
Rust

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Harrington Starr.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Harrington Starr and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Harrington Starr

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Harrington Starr uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.