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- Tasks: Develop and enhance Python applications for trading and risk management in investment banking.
- Company: Leading investment bank with a focus on innovation and technology.
- Benefits: Competitive contract rate, hybrid work model, and opportunities for professional growth.
- Other info: Collaborative environment with mentorship opportunities and exposure to cutting-edge financial technologies.
- Why this job: Join a dynamic team and make an impact in the fast-paced world of finance.
- Qualifications: 6-10 years of Python development experience and strong SQL skills required.
The predicted salary is between 60000 - 80000 £ per year.
Location: London, UK (Hybrid 3 days office)
Type of Hiring: Contract Inside IR35
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)
Sr Python Developer in London employer: Ampstek
Contact Detail:
Ampstek Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Sr Python Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the investment banking sector and let them know you're on the lookout for a Sr Python Developer role. Personal recommendations can really give you an edge.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your Python projects, especially those related to trading and risk management. This will help potential employers see your expertise in action.
✨Tip Number 3
Prepare for technical interviews by brushing up on your SQL and Python libraries like Pandas and NumPy. Practice coding challenges that focus on data processing and backend development to impress the interviewers.
✨Tip Number 4
Don’t forget to apply through our website! We’ve got loads of opportunities that match your skills, and applying directly can sometimes speed up the process. Let’s get you that job!
We think you need these skills to ace Sr Python Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Python and any relevant trading or risk management systems. We want to see how your skills match the role, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re the perfect fit for the Sr Python Developer role. Mention specific projects or experiences that relate to the job description, especially in investment banking.
Showcase Your Technical Skills: When filling out your application, make sure to emphasise your technical skills, especially in Core Python, SQL, and any frameworks like Flask or Django. We love seeing candidates who can demonstrate their expertise with real examples.
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 makes the whole process smoother for everyone involved.
How to prepare for a job interview at Ampstek
✨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.
✨Showcase Your SQL Skills
Prepare to demonstrate your ability to handle complex SQL queries. Think of examples where you've worked with large datasets, especially in a financial context, and be ready to explain your thought process.
✨Understand the Financial Domain
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 help you connect with the interviewers and show that you understand their needs.
✨Be Ready for Technical Challenges
Expect to face some technical questions or coding challenges during the interview. Practice building RESTful APIs or data processing pipelines, and be prepared to discuss your approach to system design and performance optimisation.