14 of 14 Permanent Python Developer Jobs in the City of London

Graduate / Junior Developer, Python, Linux, C#, Java - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over … customers by delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position ...

Front Office Python Developer (Prop Trading Firm)

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
Front Office Python Developer (Prop Trading Firm) London | Hybrid | Trading Technology A leading digital asset trading firm is looking for a Front Office Python Developer to join its London team, working at the heart of the front office alongside traders and quants. This is a hands … infrastructure supporting data analysis and ML workflows Take ownership of projects from concept through to production What we’re looking for: Strong experience with Python (Python 3) Experience building real-time systems, data pipelines, or backend services Solid understanding of SQL/databases Comfortable working in Linux environments ...

Python Developer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
Core Developer (Python) - Algo Trading Firm - London - Up to £350k+ TC (DOE) One of London's most impressive Algo Trading firms is looking for Engineering Wizards to join their team in London. Having arguably one of the best technology teams in the world, the firm … last 2 years). In the role, you would be focusing on highly scalable distributed systems, working directly with the Lead Core Developer, the CTO and other various internal stakeholders. The system you would be designing and the building will be written on Linux, in Python, but will ...

Graduate / Junior Developer, Python, JavaScript, PHP - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
Graduate/Junior Developer, Python, JavaScript, PHP - London (Tech stack: Graduate/Junior Developer, Python, JavaScript, PHP, Graduate/Junior Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client … number of new offices are being opened in the UK and our client is looking for talented, enthusiastic and passionate Graduate/Junior Developer to bring their product to these new markets and help enhance this already successful company! These roles would be suitable Graduate/Junior Developer ...

Python Developer

Hiring Organisation
Arcus Search
Location
City of London, London, United Kingdom
Python Developer - Observability Engineering London | Hybrid | Perm I’m working with a leading quantitative research and trading firm looking to expand their Observability Engineering team. This team sits at the centre of engineering productivity, owning the systems that allow teams to produce, move and consume telemetry at scale. … Define and promote “golden paths” for instrumentation across a wide range of services • Work closely with engineering and research teams to improve visibility and developer experience • Scale and optimise telemetry systems handling large volumes of real-time data • Improve incident response through better coverage and monitoring What they ...

Senior Python Developer

Hiring Organisation
Mastek
Location
City of London, London, United Kingdom
Title: Senior Python Developer Location: London, UK (3 days in office) SC Cleared: Required Job Type: Full-Time Experience: 10+ years About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance … cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. The Senior Developer will be responsible for both front-end and back-end development, with a focus on Python, including the challenging but rewarding task of reverse engineering ...

Python Developer

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
Fintech organisation based in London are on the lookout for a Python Developer in order to contribute to the development of the next iteration of their platform. They are seeking someone with keen proficiency in Python and Django primarily in the London area who want to join … initiatives from conception to delivery Qualifications Bachelor's degree in Computer Science (or related field) 1-2+ years of relevant work experience using Python and related tech stack in a professional environment Any of the following: Django, FastAPI, PostgreSQL, Kafka, AWS, Kubernetes experience and knowledge Experience ...

Python Developer

Hiring Organisation
Venturi
Location
City of London, London, United Kingdom
Python Engineer (Contract) Location: Canary Wharf (3 Days Per Week) Contract Type: Contract – Inside IR35 Day Rate: £500 per day Interview Process LeetCode-style live coding interview Final technical interview We are looking for an experienced Senior Software Engineer to join a high-performing engineering team working on scalable … native technologies and distributed systems Participate in code reviews and engineering best practices Troubleshoot and optimise system performance Key Skills & Experience Strong experience with Python development Experience building scalable backend systems and APIs Familiarity with cloud platforms (AWS, Azure, or GCP) Experience working with microservices architectures Strong understanding ...

Sports Python Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
Python Software Engineer – Sports Trading Technology Permanent | Full-time | London (Hybrid) Overview A technology-driven trading firm operating within global sports betting markets is looking to hire a Python Software Engineer. The business combines quantitative research, proprietary systems, and deep sports market expertise to identify inefficiencies across major … understand requirements and deliver technical solutions Required Experience Around 3+ years of commercial software engineering experience Must come from a sports trading domain Strong Python development skills with solid object-oriented programming fundamentals Experience building or maintaining data-driven applications or pipelines Exposure to client-server system architecture Experience ...

Python Developer (high-throughput/low-latency)

Hiring Organisation
Ascendion
Location
City of London, London, United Kingdom
Description: We are looking for an experienced Python Backend Developer with strong cloud expertise and hands-on experience building or supporting enterprise-grade platforms. This role is ideal for someone who has worked on complex, high-performance systems such as trading platforms, financial systems, or other large-scale … enterprise applications. Key Responsibilities: Design, develop, and maintain scalable backend services using Python Build and enhance REST APIs and microservices Work on high-throughput, low-latency systems Deploy and manage applications on AWS cloud infrastructure Collaborate with cross-functional teams including DevOps and architecture Optimize performance, scalability, and system ...

Python Developer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
Senior Backend Engineer (Python) – AI Platform | High-Growth FinTech - £500 Outside IR35 We’re partnering with a rapidly scaling AI company transforming global debt markets. Their platform centralises proprietary credit data, deep analysis and high-value workflows for 300+ leading financial institutions worldwide. With strong product-market … rapid international expansion, they’re hiring a Senior Backend (Python) Engineer to take technical ownership across high-impact projects. What You’ll Do Lead system design and deliver scalable backend services Build and evolve APIs, data processing pipelines and automation Mentor engineers and run code reviews Collaborate closely with ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
success is driven by cutting-edge analytics, high-frequency data processing, and a commitment to innovation. We are now looking for a Senior Python Engineer to join our dynamic team in London and drive our next wave of technological advancements. Role Overview: As a Senior Python Engineer … building robust systems that enhance our trading strategies, risk management, and data analysis. You will collaborate closely with quants, data scientists, and traders, providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment ...

Python Developer

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
Senior Software Engineer (Python) £85,000 - £100,000 Office Location: Central London (Hybrid) A global, high-growth Fintech firm is seeking a Senior Software Engineer to join its engineering team in Madrid. This organisation has expanded to over 600+ globally. This is an opportunity to take ownership … Product and Operations teams to ensure technical solutions align with global business goals. Technology & Environment Backend Engineering: Extensive experience with complex software systems using Python preferred; open to other OOP backgrounds Architecture: Building and managing services with standard APIs and external integrations. Observability: Incorporating robust monitoring, alerting, and reliability ...

Python Developer

Hiring Organisation
numi
Location
City of London, London, United Kingdom
optimize return metrics. Who We're Seeking: We're on the lookout for a seasoned Associate to Mid-level Software Engineer with hands-on Python experience. Familiarity with AWS Serverless and related technologies would be advantageous. Strengths in Pandas, Polars, Pytest, Postgres, and CI/CD is essential. ...