1 to 25 of 113 Python Software Engineer Jobs in London

Python Software Engineer Cyber Security

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Python Software Engineer/Developer London/WFH to £80k Do you have strong backend Python software development experience? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from … advanced cyber threats, working alongside a team of friendly and supportive people and enjoying a host of perks and benefits. As a Python Software Engineer within the R&D team you'll work on a new Greenfield product to combat the threat of AI based security attacks. ...

Lead AI Labs Software Engineer Python Developer Finance London

Hiring Organisation
Joseph Harry Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Lead AI Labs Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen Pydantic AI Bedrock PydanticAI AgentCore ADK Azure GCP Cloud Asset Manager Buy Side Investment Management Fund Hedge Fund Finance Financial Services Banking Front … Office Trading Asset Manager) required by our client in finance in London. You MUST have the following: Advanced experience as a Python Software Engineer/Programmer/Developer Leadership experience for the delivery of projects from beginning to end- inception to production Excellent interpersonal skills Advanced design ...

Senior Software Engineer Python

Location
London, United Kingdom
Senior Software Engineer/Developer (Python) Cambridge to £80k Do you have strong backend Python software development experience? You could be joining the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced cyber threats, working … alongside a team of friendly and supportive people and enjoying a host of perks and benefits. As a Senior Software Engineer within the R&D team you'll work on a new Greenfield product to combat the threat of AI based security attacks. You'll work ...

Software Engineer Python

Hiring Organisation
Enterprise Recruitment Limited
Location
West London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Software Engineer, AI Video This pioneering deep tech company is developing the future of media technology - enabling scalable, low-latency delivery of rich, immersive content across a variety of platforms. Their work spans everything from XR and interactive streaming to cloud-native media infrastructure. We are looking … Software Engineer who is interested in applying Python engineering skills to real-world AI video processing challenges. To qualify for this role, youll need some commercial software engineering experience, good Python skills, an understanding of how video is processed and an interest in AI. Sound ...

Backend Software Engineer Python LLM - Finance

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Backend Software Engineer/Developer (Python LLM MLOps) London/WFH to £90k Are you an experienced Backend Software Engineer with strong Python skills and a good knowledge of AI, LLMs and agentic coding? You could be progressing your career at a global finance … your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible holiday scheme Your role: As a Backend Software Engineer you'll design and develop autonomous AI systems integrating multi-modal LLMs (text, image, audio, video), design agentic workflows enabling AI agents ...

Lead Software Engineer Python API - Fintech

Hiring Organisation
Client Server
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Lead Software Engineer/Developer London/WFH to £120k Are you a skilled a backend focussed Python technologist with team leadership experience? You could be progressing your career at a well-funded and profitable FinTech start-up. As a Lead Software Engineer … Central London office with flexibility to work from home twice a week in a hybrid model. About you: You're an experienced Software Engineer with Python expertise and a strong knowledge of software engineering best practices and full SDLC experience You have team leadership experience, happy ...

Python Software Engineer - Quant Trading Fixed Income

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Python Software Engineer – Quant Trading Fixed IncomeQuant Capital is urgently looking for a Quant Software Engineer to join our high profile client.rformance figures of 23%. They trade a number of products across equity and commodities in both high and low frequency strategies. They have … best funds globally. They use a combination of proprietary data, superior technology, and aggressive execution to achieve their trading objectives. This Quant Python Software Engineer role is to join a small team running their own Fixed Income Quant strategy; you will be an integral part of this ...

Software Engineer - Python/AWS/Terraform (SC or DV Cleared)

Hiring Organisation
La Fosse Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 650 Daily
Senior Software Engineer - AWS/Python/Terraform Active SC or DV Clearance Required | Government Programme | Contract | Inside IR35 Location: UK - hybrid/remote working, subject to project and security requirements Security Clearance: Current SC, enhanced SC or DV clearance is mandatory Engagement: Contract - Inside IR35 Sector … building modern cloud-native and AI-enabled digital capability within a highly technical AWS environment. The team are looking for an experienced Senior DevOps Engineer with strong AWS, Terraform and CI/CD experience who is also comfortable working with Python. This is not a purely infrastructure-support ...

Python Software Engineer - Fintech

Hiring Organisation
Run-Time Group Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Senior Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights … sourced from direct connections to their clients systems. You will be joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python ...

AWS/Python Software Engineer

Hiring Organisation
E.ON
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Senior to Staff Software Engineer We're looking for an experienced Senior to Staff Software Engineer to join our Engineering team and help us build technology that's changing the way people use and interact with energy. At E.ON Next, we're tackling some … happen. You'll join a collaborative, high-performing engineering team working across multiple areas of the business. We build full-stack cloud solutions, with Python at the heart of our backend and a serverless-first approach using AWS services such as Lambda, DynamoDB, RDS and AppSync. We care about ...

Senior Software Engineer, Quant trading - Python, Java, C++

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior Software Engineer, Quant trading – Python, JavaLondon (Hybrid)130,000-175,000 + benefits and bonusQuant Capital is urgently looking for a Senior Software Engineer to join our high profile client. My client, a leading player in the global cryptoassets industry, is seeking a talented … Senior Software Engineer to join their dynamic team. This role will be instrumental in building and supporting a diverse technology stack, enabling my client to trade across multiple exchanges and regions with a wide range of strategies. As a Senior Software Engineer, you will work closely ...

Senior Software Engineer, Quant trading - Python, RUST, C++

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior Software Engineer, Quant trading – Python, RUST, C++London (Hybrid)150,000-180,000 + 50k bonusQuant Capital is urgently looking for a Senior Software Engineer to join our high profile client. My client, a leading player in the global cryptoassets industry, is seeking a talented … Senior Software Engineer to join their dynamic team. This role will be instrumental in building and supporting a diverse technology stack, enabling my client to trade across multiple exchanges and regions with a wide range of strategies. As a Senior Software Engineer, you will work closely ...

AWS/Python Software Engineer

Location
Greater London, England, United Kingdom
Senior to Staff Software Engineer We’re looking for an experienced Senior to Staff Software Engineer to join our Engineering team and help us build technology that’s changing the way people use and interact with energy. At E.ON Next, we’re tackling some … happen. You’ll join a collaborative, high-performing engineering team working across multiple areas of the business. We build full-stack cloud solutions, with Python at the heart of our backend and a serverless-first approach using AWS services such as Lambda, DynamoDB, RDS and AppSync. We care about ...

Senior Software Engineer (Python)

Location
Greater London, England, United Kingdom
SeniorSoftware Engineer (Python) About Anemoi Marine Technologies At Anemoi,we’reon a journey to shake up the maritime industry withcutting-edgeRotor Sail technology. From our headquarters in the UK and production base in China,we’redeveloping and delivering advanced, automated wind-assisted propulsion systems that help shipowners … environment by harnessing the power of wind! About the Role Contract Length: 3 to 6 months Location: London We are looking for an experienced Software Engineer to build on and lead the hands-on development of Anemoi's existing, early-stage scientific and engineering software ...

Python Software Engineer Cyber Security

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
Python Software Engineer/Developer London/WFH to £80k Do you have strong backend Python software development experience? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from ...

Python Lead Software Engineer - Rates Live Risk & P&L

Location
Greater London, England, United Kingdom
environment is fast-moving and highly collaborative, with strong expectations for production ownership, rapid iteration, and high-quality delivery. Job Responsibilities Build and enhance Python services and applications that power live Rates risk and P&L, with a strong focus on low latency and predictable performance. Partner directly with … automation. Maintain strong engineering standards through code reviews, testing discipline, performance profiling, and clear documentation/runbooks. Required qualifications, capabilities, and skills Strong Python development skills, including writing production-quality code with solid testing and packaging practices. Experience building and operating production services, including production support and incident-driven ...

Backend Software Engineer Python LLM - Finance

Hiring Organisation
Client Server
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
Backend Software Engineer/Developer (Python LLM MLOps) London/WFH to £90k Are you an experienced Backend Software Engineer with strong Python skills and a good knowledge of AI, LLMs and agentic coding? You could be progressing your career at a global finance ...

Sr Lead Software Engineer - C++, Python,

Location
Greater London, England, United Kingdom
Lead Software Engineer - C++, Python, LONDON, LONDON, United Kingdom Locations 25 Bank Street, Canary Wharf, London, Greater London, E14 5JP, GB Job Schedule Full time Job Description If you are looking for a game-changing career, working for one of the world's leading financial institutions … come to the right place. As a Sr. Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank Compute Runtime Platforms, you will play a crucial role in providing expertise and engineering excellence as part of an agile team. Your responsibilities include enhancing, building, and delivering trusted ...

Senior/Lead AI Software Engineer Java & Python

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£843.00 - £1,000.00 per day
Contract Role – Senior/Lead AI Software Engineer Java & Python x 2 – London/Hybrid – 12 months initial – Inside IR35 PAYE Role Overview: Job Title: Senior/Lead AI Software Engineer Java & Python Location: Hybrid – 4 days onsite per week in London Contract Type … Contract Duration: 12 months initial Rate: £ per day Inside IR35 Strong Java and Python development skills in mission-critical applications required. Proven experience building AI-based solutions in enterprise environments, including both machine learning and generative AI use cases, is highly desirable. Strong understanding ...

Python Software Engineer

Hiring Organisation
VIQU IT
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 500 Daily
Python/Applied AI Engineer Contract Duration: 3 months Location: Remote IR35: Inside IR35 VIQU are in need of a Python engineer to support a customer with building an AI Chatbot using Python and LlamaIndex. Key Technologies: Python 3.12+ LlamaIndex/RAG Azure … Foundry/OpenAI Typesense/Vector Search PostgreSQL/Pydantic Plotly Dash Key Duties: Develop and enhance production-grade Python AI applications and chatbot capabilities. Build and improve RAG pipelines, retrieval and document search. Extend LlamaIndex agents, workflows, retrievers and tool-calling capabilities. Integrate LLMs, APIs, databases and structured ...

Python Software Engineer

Hiring Organisation
VIQU IT
Location
London, Covent Garden, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day Inside IR35
Python/Applied AI Engineer – Contract Duration: 3 months Location: Remote IR35: Inside IR35 VIQU are in need of a Python engineer to support a customer with building an AI Chatbot using Python and LlamaIndex. Key Technologies: Python 3.12+ LlamaIndex/RAG Azure … Foundry/OpenAI Typesense/Vector Search PostgreSQL/Pydantic Plotly Dash Key Duties: Develop and enhance production-grade Python AI applications and chatbot capabilities. Build and improve RAG pipelines, retrieval and document search. Extend LlamaIndex agents, workflows, retrievers and tool-calling capabilities. Integrate LLMs, APIs, databases and structured ...

Python Software Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £500.00 per day
Python/Applied AI Engineer – Contract Duration: 3 months Location: Remote IR35: Inside IR35 VIQU are in need of a Python engineer to support a customer with building an AI Chatbot using Python and LlamaIndex. Key Technologies: Python 3.12+ LlamaIndex/RAG Azure … Foundry/OpenAI Typesense/Vector Search PostgreSQL/Pydantic Plotly Dash Key Duties: Develop and enhance production-grade Python AI applications and chatbot capabilities. Build and improve RAG pipelines, retrieval and document search. Extend LlamaIndex agents, workflows, retrievers and tool-calling capabilities. Integrate LLMs, APIs, databases and structured ...

Senior Python Software Engineer – 3–6 Contract, London

Location
Greater London, England, United Kingdom
Anemoi Marine Technologies is seeking a Senior Software Engineer (Python) to lead hands-on development of our early-stage scientific software for a defined contract period in London. You will work with engineers and analysts to translate methods into reliable software and contribute to other … Python, data, and scientific projects where your expertise adds value. This role combines delivery with technical leadership, requiring pragmatic architectural decisions and established development #J-18808-Ljbffr ...

Python Software Engineer - Intraday Trading

Hiring Organisation
Millennium Management
Location
London, UK
Employment Type
Full-time
Python Software Engineer - Intraday TradingAbout MillenniumMillennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium's mission is to deliver results for our investors. Our people are empowered with both independence and support: the autonomy to pursue ideas with … analytics workflows Contribute to application development, project delivery, and platform architecture for highly scalable real-time systemsWhat You Bring 5+ years of experience in Python application development, with a strong understanding of Linux operating systems Experience with grid scheduling and compute orchestration for real-time compute management at scale ...

Lead Software Engineer Python API - Fintech

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Lead Software Engineer/Developer London/WFH to £120k Are you a skilled a backend focussed Python technologist with team leadership experience? You could be progressing your career at a well-funded and profitable FinTech start-up. As a Lead Software Engineer ...