101 to 125 of 311 Python Jobs in the City of London

Market Access Developer (C++)

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
have direct impact on live trading performance across global markets. 🧠 Required Skills & Experience 5+ years of professional C++ development on Linux Strong experience with Python and Bash scripting Proven experience designing multithreaded and/or distributed systems Hands-on experience with trading gateways or market data feed handlers Strong understanding ...

Data Engineer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
right Data Engineer should have: Proven experience working in a Data Engineering role within complex or data-rich environments Strong programming capability in Python, SQL or similar languages Experience working with cloud platforms and deploying data infrastructure Understanding of data modelling, orchestration, and secure data handling practices Ability to communicate ...

C++ Software Engineer - Relocation to Amsterdam

Hiring Organisation
Elevate Partners
Location
City of London, London, United Kingdom
years’ professional software engineering experience post-graduation Strong commercial C++ development experience, ideally using modern C++ standards Experience working within Linux environments Familiarity with Python scripting Exposure to Docker and Kubernetes environments This is an excellent opportunity to join one of the most technically sophisticated proprietary trading environments globally, working ...

Senior Pricing Analyst

Hiring Organisation
Gerrard White Consulting
Location
City of London, London, United Kingdom
pricing precision What we’re looking for 2-3 yrs+ experience in GI pricing (motor or P&C) and experience building pricing models Strong Python + SQL (R also useful) for analysis, modelling, and repeatable data workflows Good grounding in actuarial principles (rating, loss cost, segmentation, validation) Experience with claims ...

AI Architect

Hiring Organisation
Charles Simon Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Generation), Agentic AI frameworks Hands-on with; LLMs (OpenAI, Llama, Claude, Mistral), Vector DBs (Pinecone, Weaviate, FAISS), Frameworks (LangChain, LlamaIndex, AutoGen, CrewAI, LangGraph) Strong Python + ML frameworks (PyTorch/TensorFlow) Experience deploying on AWS, Azure, or GCP Experience leading or influencing technical teams Nice to have: Experience in consulting ...

Senior AI Engineer | Tech Start-Up

Hiring Organisation
Nicholson Glover
Location
City of London, London, United Kingdom
Engineer or Senior AI Engineer include: Strong Data Science Foundations – bring solid grounding in statistics and machine learning, along with strong programming skills – Python preferred. Passion for Cutting-Edge AI – You actively experiment with and apply modern AI technologies such as LLMs, RAGs, co-pilots, agentic workflows (heavily desired ...

Graduate Software Engineer

Hiring Organisation
Oho Group
Location
City of London, London, United Kingdom
discipline You demonstrate strong software engineering fundamentals You have hands-on experience building AI systems or working with LLMs You demonstrate strong proficiency in Python You thrive in fast-paced, ambiguous environments You are an excellent problem-solver and communicator Benefits: Extremely competitive salary plus meaningful equity and benefits Genuine ...

Senior Data Engineer (12M FTC) | Investment Data Transformation

Hiring Organisation
Pharos Resource Partners
Location
City of London, London, United Kingdom
deliver real business impact 🎯 What we’re looking for 5–10+ years’ experience in data engineering within asset management/financial services Strong Python & SQL — you’ve built and owned pipelines in production Proven experience designing data architecture and integration frameworks Track record of automating operational workflows ...

Data Architect

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
cloud platforms Knowledge of big data and distributed systems Experience with microservices architecture Ability to be hands-on when required using technologies such as Python, Java, or Scala Strong understanding of both structured and unstructured data design Experience leading teams and engaging with senior stakeholders Excellent communication skills, both written ...

Artificial Intelligence Engineer

Hiring Organisation
Annapurna
Location
City of London, London, United Kingdom
translate business problems into scalable solutions Evolving tooling into a maintainable internal product, not just scripts What They’re Looking For Strong experience in Python, SQL, and automation engineering Proven track record building data pipelines and production systems Experience integrating systems via APIs and structured data feeds Solid understanding ...

Senior Full Stack Engineer - Remote

Hiring Organisation
Birchwell Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
ability to work independently Technical Environment The primary stack is Ruby on Rails. However, we are open to candidates with strong experience in: Python (Django/FastAPI) Node.js Go Elixir The focus is on strong backend engineering fundamentals rather than a specific language. Preferred Experience Experience scaling systems to large ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
Minded Builder: You have experience in production environments and enjoy seeing your code solve tangible business problems. Stack Versatility: You are highly proficient in Python ( FastAPI ) and TypeScript ( React/Next.js ), with a solid grasp of SQL and GCP . Independent Execution: You are comfortable working with high levels ...

AI Consultant

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
other predictive models. Hands-on experience applying AI and machine learning, such as chatbots, LLMs or advanced ML models. Solid programming skills in Python and SQL. Experience exploring AI as an alternative or improved solution to existing lending or collections processes. Confident communicator, comfortable presenting technical work to varied stakeholders. ...

Data Engineer

Hiring Organisation
Searchability®
Location
City of London, London, United Kingdom
process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS Data Engineering, SQL, Python, Azure, Snowflake, ETL, Data Warehousing, Data Architecture, Data Pipelines, CI/ ...

Senior/Lead Data Scientist – Fintech Lending

Hiring Organisation
Intellect Group
Location
City of London, London, United Kingdom
practical solution What they’re looking for: Around 3–5 years of commercial experience in Data Science/Decision Science/advanced analytics Strong Python skills Solid grounding in traditional data science, modelling and statistical thinking Experience working with modern data environments/warehouses Ability to work independently and operate ...

Data Modeler - P&C Insurance

Hiring Organisation
ValueMomentum
Location
City of London, London, United Kingdom
8+ years of experience in data modeling in the property and casualty insurance industry. Proficiency in SQL, data modeling tools and languages such as Python and UML. Strong analytical thinking is essential for creating efficient and scalable data models that meet business needs. Proven experience as a Data Modeler preferably ...

Product Engineer - TWE45253

Hiring Organisation
twentyAI
Location
City of London, London, United Kingdom
supporting consulting teams in a technical capacity. Strong technical proficiency in NextJS, TypeScript , and LLM frameworks (e.g., Pydantic, LangGraph). Comfortable working with Python and familiar with modern cloud infrastructure (AWS, Terraform, PostgreSQL, Modal). Ability to create intuitive, polished user interfaces using React and Tailwind CSS. Value fast iteration ...

Cyber Seurity Lead Financial Fintech London

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
digital certificates (CA processes, lifecycle management). Deep understanding of network security (firewalls, IDS/IPS, packet analysis). Scripting skills in Python for automation and threat analysis. Strong AWS security expertise (IAM, GuardDuty, Security Hub, CloudTrail, VPC design). Experience with SIEM, MDR, and vulnerability management tools. Familiarity with ...

Lead Data Analyst

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
technical stakeholders. • An appreciation for effective dashboard and product design, ideally with some awareness of UX and UI best practice. • Experience with Python for analysis or modelling is beneficial. What They Offer • £80,000 to £90,000 base salary. • Hybrid working (three days per week in London). • The chance ...

Senior Software Engineer – AI / Agentic Systems

Hiring Organisation
MA (Montreal Associates)
Location
City of London, London, United Kingdom
identify and resolve technical debt What they are Looking For Core Experience 5+ years in backend engineering, ideally at Senior level Strong experience with Python and/or Golang Proven track record building and scaling distributed systems or cloud-native platforms (AWS preferred) Experience delivering end-to-end solutions ...

Founding Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, London, United Kingdom
quality, and help shape the team as it grows. The best candidates will be energised by that scope, not daunted by it. REQUIREMENTS: Strong Python in production, ideally including FastAPI or similar async frameworks Proven experience building and deploying LLM-powered applications, not prototypes that never saw users Solid understanding ...

Full Stack Engineer

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
full‐stack engineering experience (not purely front end or back end), working across the full development lifecycle. Your core technology experience includes React, Node.js, Python, and Java. You have hands‐on cloud experience, designing and delivering solutions on AWS and/or Azure. AI experience is essential: you have ...

Cyber Security Engineer

Hiring Organisation
Eligo Recruitment
Location
City of London, London, United Kingdom
security, logging, network security, and vulnerability management. Knowledge of security architecture principles and secure-by-design methodologies. Experience building automation and security workflows using Python, PowerShell, or similar tooling. Familiarity with AI-assisted security tools, machine learning concepts for detection, or data-driven security analytics. Understanding ...

Front Office Python Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
Full Stack Python Developer London/Hybrid | Permanent A global financial markets business is hiring a Full Stack Python Developer to join a high-impact enterprise engineering team working on one of its most strategic platform initiatives. This role sits within a central technology function responsible for building shared capabilities … internal tooling, while also contributing to emerging AI initiatives and developer productivity capabilities. What You’ll Be Doing Design, build and maintain production-grade Python services and APIs Develop shared platform capabilities including APIs, connectivity layers and real-time services Build internal tools and development environments for engineering teams Contribute ...

Senior Golang Engineer

Hiring Organisation
PCR Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35
developing and deploying robust, scalable services and platforms that enable secure operations across an organization. Proven experience in programming and scripting languages (e.g., Go, Python, Bash, Java, JavaScript ). Minimum Qualifications Bachelor's degree in computer science (or similar) with 5+ years of relevant industry experience Significant experience with Golang … documentation, and production services Track record of driving improvements in code quality, performance , etc. Experience leveraging ORMs to interact with databases efficiently Familiarity with Python, Java, Swift, C, C++ and/or Objective-C ; and JavaScript and/or Typescript/React is a plus ...