Senior Python Developer in London

Senior Python Developer in London

London Full-Time 70000 - 90000 £ / year (est.) No home office possible
ScaleneWorks People Solutions LLP

At a Glance

  • Tasks: Develop and enhance Python applications for trading and risk management.
  • Company: Join ScaleneWorks, a career architect connecting talent with top-tier opportunities.
  • Benefits: Hybrid work model, competitive salary, and professional growth.
  • Other info: Collaborative environment with opportunities to mentor and grow.
  • Why this job: Shape the future of finance with cutting-edge technology and impactful projects.
  • Qualifications: 7-12 years in Python development, especially in investment banking.

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

At ScaleneWorks People Solutions, we're more than recruiters; we're career architects dedicated to connecting exceptional talent with top-tier opportunities. We are looking for a Sr Python Developer – Trading / Risk Platforms for our well-known client.

Location: London

Type of Work: Hybrid (2-3 days in a week from Office)

Employment Type: Permanent/Contract (Inside IR35)

Experience: 7–12 years of experience

We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting.

Key Responsibilities:

  • Develop and enhance Python-based applications for trading and risk use cases
  • Build data processing pipelines and automation scripts for trade, risk and reconciliation workflows
  • Work with large financial datasets to support PnL, risk and reporting requirements
  • Contribute to system design, architecture and scalability decisions
  • Collaborate with quants, traders and risk teams to translate business requirements into technical solutions
  • Develop and integrate REST APIs and backend services
  • Contribute to CI/CD pipelines and deployment processes
  • Support production systems (L2/L3) including debugging, enhancements and performance optimization
  • Write and maintain unit and integration tests. Ensure high code quality and test coverage
  • Participate in code reviews and mentor junior developers where required

Must-Have Skills:

  • Strong experience in Core Python development (6–10 years)
  • Strong SQL skills with ability to handle complex queries and large datasets
  • Experience with Python libraries (Pandas, NumPy) for data processing
  • Experience building RESTful APIs/services (Flask / FastAPI / Django)
  • Strong understanding of data structures and performance optimization
  • Experience working with large-scale data processing and performance optimization
  • Working knowledge of Unix / Linux environments and basic shell scripting

Domain Experience (Critical):

  • Experience working in Investment Banking / Capital Markets environments
  • Hands-on exposure to: Market Risk / CCR / PnL / Trade lifecycle / Reconciliation
  • Understanding of financial products such as: Derivatives (swaps, futures, options), bonds

Good-to-Have:

  • Exposure to PySpark or large-scale data processing
  • Experience working with quants or pricing models
  • Basic scripting (Unix / Bash)
  • Prior experience in global banking environments

Note: Candidates without capital markets / risk / trading domain experience will not be considered.

If you're ready to embark on an exciting journey with ScaleneWorks, we’d love to hear from you! Submit your resume today and let’s unlock new possibilities together.

Senior Python Developer in London employer: ScaleneWorks People Solutions LLP

At ScaleneWorks People Solutions, we pride ourselves on being more than just recruiters; we are career architects committed to fostering a supportive and dynamic work environment. Our London office offers a hybrid work model that promotes flexibility while ensuring collaboration with industry experts, providing ample opportunities for professional growth and development in the fast-paced world of investment banking. Join us to be part of a culture that values relationships, champions your success, and empowers you to shape your future in a meaningful way.
ScaleneWorks People Solutions LLP

Contact Detail:

ScaleneWorks People Solutions LLP Recruiting Team

StudySmarter Expert Advice 🤫

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

✨Network Like a Pro

Get out there and connect with people in the industry! Attend meetups, webinars, or even casual coffee chats. Building relationships can lead to job opportunities that aren’t even advertised.

✨Show Off Your Skills

Create a portfolio showcasing your Python projects, especially those related to trading and risk management. This gives potential employers a taste of what you can do and sets you apart from the crowd.

✨Ace the Interview

Prepare for technical interviews by brushing up on your coding skills and understanding key concepts in trading and risk systems. Practice common interview questions and be ready to discuss your past experiences in detail.

✨Apply Through Our Website

Don’t forget to check out our website for the latest job openings! Applying directly through us not only shows your interest but also helps us match you with the right opportunities faster.

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

Core Python Development
SQL
Data Processing (Pandas, NumPy)
RESTful APIs (Flask, FastAPI, Django)
Data Structures
Performance Optimization
Large-scale Data Processing
Unix/Linux Environments
Basic Shell Scripting
Investment Banking Experience
Market Risk Knowledge
Trade Lifecycle Understanding
Financial Products Knowledge (Derivatives, Bonds)
CI/CD Pipelines
Unit and Integration Testing

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to highlight your experience in Python development, especially in trading and risk management. We want to see how your skills align with the job description, so don’t hold back on showcasing relevant projects!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about this role and how your background makes you a perfect fit. We love seeing enthusiasm and a clear connection to the position.

Showcase Your Technical Skills: When listing your technical skills, be specific! Mention your experience with Python libraries like Pandas and NumPy, and any RESTful APIs you've built. We’re looking for concrete examples that demonstrate your expertise.

Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re serious about joining our team!

How to prepare for a job interview at ScaleneWorks People Solutions LLP

✨Know Your Python Inside Out

Make sure you brush up on your Core Python skills, especially around the libraries like Pandas and NumPy. Be ready to discuss how you've used these in past projects, particularly in trading and risk management systems.

✨Understand the Financial Landscape

Familiarise yourself with key concepts in investment banking, such as market risk, PnL, and trade lifecycle. Being able to speak the language of finance will show that you can effectively collaborate with quants and traders.

✨Showcase Your Problem-Solving Skills

Prepare to discuss specific challenges you've faced in building backend applications or data processing pipelines. Highlight your approach to debugging and performance optimisation, as these are crucial for the role.

✨Be Ready for Technical Questions

Expect to dive deep into technical discussions, including RESTful API development and CI/CD processes. Practise explaining your thought process clearly, as this will demonstrate your ability to translate complex requirements into technical solutions.

Senior Python Developer in London
ScaleneWorks People Solutions LLP
Location: London

Land your dream job quicker with Premium

You’re marked as a top applicant with our partner companies
Individual CV and cover letter feedback including tailoring to specific job roles
Be among the first applications for new jobs with our AI application
1:1 support and career advice from our career coaches
Go Premium

Money-back if you don't land a job in 6-months

>