Junior python developer Work, Jobs (with Salaries)

Junior / Mid-level Front Office Python Engineer (R&D / Trading Systems)
Margo Conseil —London
- Computer Science
- SQL
- Analysis skills
Junior Algorithmic Developer, Analyst, London
Jefferies & Company, Inc. —London
- Full-time
- Computer Science
- Engineering
- Master's degree
Junior Software Developer (C#/.NET)
Codan Limited —Kingston upon Hull
- Scripting
- Agile
- Python
- Annual leave
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
5d
Software Engineer
Everfox —Malvern
- £32,600 - £53,600 a year
- Full-time
- Java
- Analysis skills
- C++
- Annual leave
2d
Scientific Software Engineer
Oxford BioTherapeutics —Oxford
- £60,000 - £80,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Master's degree
- Free parking
- Referral programme
Quick apply
Unity 3D Developer
Humanitarian Operations —Edinburgh
- £35,000 - £55,000 a year
- Full-time
- Maths
- JavaScript
- Mentoring
Quick apply
Level 2 Support- London
FDM Group —London
- Azure
- DevOps
- Scripting
- Annual leave
Java Developer
Methods Business and Digital Technology —London
- Full-time
- Hybrid work
- Azure
- Java
- Software development
- Employee assistance programme
Quick apply
Senior Software Engineer (AWS Cloud Technologies)
Office for National Statistics —Newport
- £44,050 - £47,121 a year
- Full-time
- Hybrid work
- AWS
- Presentation skills
- JavaScript
2d
Senior Software Engineer
GRAVITY PROJECTS —London
- £85,000 - £90,000 a year
- Full-time
- Azure
- Computer Science
- Engineering
- Free parking
- Annual leave
Quick apply
4d
SENIOR STATISTICAL PROGRAMMER
i5 Solutions Europe Limited —Manchester
- Computer Science
- Master's degree
- SQL
Lead Data Engineer
Liberis —London
- Hybrid work
- Azure
- DevOps
- SQL
Quick apply
Senior Data Engineer
Arbuthnot Latham —London
- Azure
- DevOps
- Machine learning
Senior DevOps Engineer - Newcastle
Accenture —Newcastle upon Tyne
- Full-time
- DevOps
- AWS
- Scripting
Senior kdb+ Engineer
Data Intellect —London
- Full-time
- Hybrid work
- Azure
- Management
- AWS
- Paid training
- Referral programme
Quick apply
Senior Backend Engineer
IntelliSense.io —Cambridge
- Computer Science
- Java
- SQL
Quick apply
9d
Senior Java Engineer
London Stock Exchange Group —London
- Full-time
- Oracle
- Java
- Mentoring
Senior Site Reliability Engineer
Navan —London
- DevOps
- Java
- Master's degree
Quick apply
Software Developer
VINCI Construction —United Kingdom
- SQL
- Analysis skills
- C++
- Annual leave
- Employee assistance programme

I want to receive the latest job alerts for junior python developer

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

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

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

Junior Algorithmic Developer, Analyst, London

Junior Software Developer (C#/.NET)

Jr Developer - Brand Website and Marketing systems

Software Engineer

Scientific Software Engineer

Unity 3D Developer

Level 2 Support- London

Java Developer

Senior Software Engineer (AWS Cloud Technologies)

Senior Software Engineer

SENIOR STATISTICAL PROGRAMMER

Lead Data Engineer

Senior Data Engineer

Senior DevOps Engineer - Newcastle

Senior kdb+ Engineer

Senior Backend Engineer

Senior Java Engineer

Senior Site Reliability Engineer

Software Developer

I want to receive the latest job alerts for junior python developer

Related Searches

Explore jobs in more locations

Jobseeker tools

Employer Tools

Browse

Stay Connected