Junior python developer Work, Jobs in Brentford, Gtl (with Salaries)

Junior / Mid-level Front Office Python Engineer (R&D / Trading Systems)
Margo Conseil —London
- Computer Science
- SQL
- Analysis skills
Java Developer
Methods Business and Digital Technology —London
- Full-time
- Hybrid work
- Azure
- Java
- Software development
- Employee assistance programme
Quick apply
kdb+ Engineer
Data Intellect —London
- Full-time
- Hybrid work
- Azure
- Management
- AWS
- Paid training
- Referral programme
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Sr. Full Stack Developer
Broadridge —London
- Full-time
- Doctoral degree
- Computer Science
- Java
Senior Engineer- Platform Engineering
Janus Henderson —London
- Hybrid work
- Azure
- Management
- Computer Science
Staff Site Reliability Engineer
Replit —London
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
kdb+ Contractor (Capital Markets)
Data Intellect —London
- Hybrid work
- Azure
- Management
- AWS
Quick apply
Platform Engineer
Risk Ledger —London
- £90,000 - £110,000 a year
- DevOps
- Master's degree
- AWS
Quick apply
1d
Senior Data Engineer
Arbuthnot Latham —London
- Azure
- DevOps
- Machine learning
Senior Java Engineer
London Stock Exchange Group —London
- Full-time
- Oracle
- Java
- Mentoring
Lead Data Engineer
Liberis —London
- Hybrid work
- Azure
- DevOps
- SQL
Quick apply
Senior kdb+ Engineer
Data Intellect —London
- Full-time
- Hybrid work
- Azure
- Management
- AWS
- Paid training
- Referral programme
Quick apply
Senior Site Reliability Engineer
Navan —London
- DevOps
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- Master's degree
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Junior Algorithmic Developer, Analyst, London
Jefferies & Company, Inc. —London
- Full-time
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- Master's degree
Python Developers
CGI —London
- Full-time
- DevOps
- AWS
- Mentoring
Quick apply
Jr Developer - Brand Website and Marketing systems
Go2 Glory LTD —London
- £25,000 - £38,000 a year
- Full-time
- Hybrid work
- Computer Science
- English
- Master's degree
- Employee stock purchase plan
- Work from home
Quick apply
3d
Software Engineer - Core Technology
AI Security Institute —London
- £61,620 - £74,605 a year
- Hybrid work
- Azure
- DevOps
- Laboratory experience
- Annual leave
Level 2 Support- London
FDM Group —London
- Azure
- DevOps
- Scripting
- Annual leave
Apps Integration CI/CD & Automation Engineer
Sky —London
- Full-time
- Hybrid work
- AWS
- JavaScript
- Scripting
- Free parking
- Employee discount
8d
Senior Software Engineer
GRAVITY PROJECTS —London
- £85,000 - £90,000 a year
- Full-time
- Azure
- Computer Science
- Engineering
- Free parking
- Annual leave
Quick apply
2d

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

Margo Conseil -
London

Apply Now

Job details

Permanent

Qualifications

Computer Science
Relational databases
UNIX
SQL
Analysis skills
C++
IT
Financial services
Linux
Python
Debugging

Full job description

Job Title: 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

Development & Engineering (Approx. 70%)

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.

Support & Production (Approx. 30%)

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

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Apply Now

Refine Your Search

junior python developer jobs in brentford, gtl

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