776 to 800 of 975 Python Jobs in Central London

Rust Quant Developer - Trading Systems - Major Hedge Fund

Hiring Organisation
Capital Markets Recruitment
Location
City of London, London, United Kingdom
with a team of talented traders and quant developers to help build out a real-time trading platform/execution system using Rust and Python Work closely with Quant Researchers and Traders to optimise trading strategies Develop high quality Machine Learning pipelines, market data and analytics systems Desirable Candidates: Minimum … years of hands-on experience with Rust and Python 3+ years of financial software engineering experience Previous buyside experience Strong Linux development and SQL skillset BS in Computer Science, Engineering, or related quantitative discipline CQF certification is a bonus To discuss the role in confidence, please reach out to Rhys ...

Senior Software Engineer (AI HealthTech) - Up to £100k + Bonus + Equity - FULLY REMOTE

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
cutting-edge AI systems that power healthcare innovation at scale. Full remote flexibility across the UK, total ownership of greenfield projects, modern tech stack (Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team … designing, building, and scaling complex systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing ...

Senior Software Engineer (AI HealthTech) - Up to £100k + Bonus + Equity - FULLY REMOTE

Hiring Organisation
Hunter Bond
Location
Central London / West End, London, United Kingdom
cutting-edge AI systems that power healthcare innovation at scale. Full remote flexibility across the UK, total ownership of greenfield projects, modern tech stack (Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team … designing, building, and scaling complex systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing ...

Senior Data Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
market data platform, working directly with quants, PMs, and traders to power insights that drive investment returns. You’ll: Develop scalable ETL pipelines in Python for high-volume financial data. Build cloud-based data lake environments (AWS/Databricks). Implement robust data validation and quality checks. Work with researchers … design pipelines for modeling and back-testing. Document and maintain the firm’s core data architecture. Requirements: 5+ years of Python development (Pandas, SQL, Linux environment). Hands-on experience building data solutions for trading, research, or risk. Deep technical curiosity and strong problem-solving skills. Strong knowledge of market ...

Senior Backend Engineer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
areas for Agile process improvement . My client adopts the best tools for the job. Our primary stack includes: Category Tools/Frameworks Language Python Backend FastAPI, Django Cloud/Infrastructure AWS, Kubernetes, Helm, Terraform Data OpenSearch, PostgreSQL Source Control GitHub What You'll Need Strong technical skills to build … scalable backend services, primarily using Python (any framework). Analytical skills and a love for problem-solving and continuous process improvement. Good understanding of databases, OO design, data structures, and SOLID principles . Strong desire to work collaboratively with peers and business teams. The ability to communicate complex technical concepts ...

Head of eFX Engineering (Director) - Leading Investment Bank

Hiring Organisation
Nicoll Curtin
Location
City of London, London, United Kingdom
Director - Head of eFX - C++, Java, Python, FX, eFX, Low-latency, Trading, Front Office, Linux, Unix, Multithreading, Agile, DevOps, Cloud, Databases, Databricks, Kafka I am working with a leading Investment Banks which is looking for a Head of eFX (Director level) to join their Information Systems Department who provide … beyond regular working hours. Designing, implementing, and delivering complex globally distributed high availability real-time trading systems. Key Skills: OO Language - C Java/Python/Rust/C# FX Financial Markets Low-Latency Market Data Multi-Threading No-SQL/SQL Unit Testing/TDD/Automated Testing Strong ...

Senior Data Engineer

Hiring Organisation
Alexander Associates Technical Recruitment
Location
City of London, London, United Kingdom
Month initial contract Hybrid role (up to 3 times a week in London) Start ASAP £550 - £575 per day Inside IR35 Azure/Python/SQL/ELT experience *Please note that this role requires security clearance due to the nature of the project Essential Skills & Experience 10+ years’ experience … Data Engineering, with a minimum of 3 years of hands-on Azure Databricks experience delivering production-grade solutions. Strong programming proficiency in Python and Spark (PySpark) or Scala, with the ability to build scalable and efficient data processing applications. Advanced understanding of data warehousing concepts, including dimensional modelling, ETL/ ...

Senior Data Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
pipelines, enhance the security master, and ensure the front office has the data needed to drive investment returns. Key Responsibilities: Develop and maintain scalable Python-based ETL pipelines for market data ingestion and transformation. Build and manage cloud data lake solutions (AWS/Databricks) for structured and unstructured data. Implement … architecture, data flows, and technical solutions. Requirements: Bachelor’s or higher in Computer Science, Engineering, Mathematics, Statistics, or a quantitative discipline. 5+ years developing Python-based financial software, with strong Pandas experience. Exposure to financial datasets across multiple asset classes. Experience supporting quantitative research and modelling. Proficiency in Linux environments. ...

Senior Software Engineer

Hiring Organisation
Tempest Vane Partners
Location
City of London, London, United Kingdom
tenure What You’ll Do Design and build distributed, cloud-native services supporting large-scale equity workflows Develop high-performance backend systems using C#, Python and Go , with a strong focus on reliability and throughput Build and evolve APIs and service-to-service communication using gRPC Contribute to modern … Need Significant experience building and maintaining production systems (8+ years) Deep knowledge of an object-oriented language ( C# or Java ) and strong Python experience Experience working with cloud infrastructure (AWS preferred) Comfort designing scalable systems and making architectural trade-offs Financial markets experience is beneficial but not essential, curiosity ...

Senior Software Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
optimisation. Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions. Work with modern technologies such as Python, Django, Cloud Firestore, BigQuery, and Elasticsearch to deliver scalable, reliable software. Contribute to continuous improvement by identifying opportunities to enhance system architecture and code quality. … Degree in Computer Science or equivalent industry experience. 3+ years' experience in backend software development within a fast-paced, agile environment. Strong proficiency in Python (or similar modern backend language) and experience building RESTful APIs or microservices. Solid understanding of data structures, algorithms, and software design principles. Experience with cloud ...

Full Stack Engineer

Hiring Organisation
W Talent
Location
City of London, London, United Kingdom
senior, hands-on engineer working across the full stack in a small, experienced team. Responsibilities include: Building features end-to-end using Python, React, and TypeScript Writing clean, well-tested, production-grade code Improving architecture, performance, and scalability Strengthening testing, CI, and CD pipelines Collaborating closely with Product to solve … bureaucracy. What we’re looking for Proven experience building and running production-grade systems in a senior engineering role Strong full-stack capability across Python and React Solid SQL skills A strong testing mindset and commitment to engineering quality Someone who leads by example and takes ownership Pragmatic, curious ...

Senior Data Analyst

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
pipelines, ETL, and cloud data environments. Define/govern consistent international metrics. Deliver scalable, multi-region analytics solutions. Automate reporting, validation, and metrics (SQL, Python/R, modern data tools). Advanced Analytics & Reporting Develop clear dashboards (Tableau, Power BI, Looker, Qlik). Conduct deep-dive analysis on customer pain … What You’ll Bring 8+ years in Data Analytics or Data Science, ideally within Customer Success, Operations, or Digital Experience. Expert SQL and strong Python or R skills. Proven experience with Tableau/Power BI/Looker/Qlik and modern cloud platforms (Snowflake, Databricks, Spark). Strong understanding ...

Founding Lead AI Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
workflows, and LLM-based intelligence frameworks, driving real-world impact across financial markets. The role is approximately 80% hands-on and 20% strategic, covering Python engineering, system architecture, and model evaluation, while collaborating closely with product and domain experts. Key Responsibilities Build and deploy RAG pipelines, agentic AI workflows … Strong experience in LLM engineering, RAG systems, prompt orchestration, and agentic architectures Proven experience delivering ML/AI systems into production environments Excellent Python engineering and system design skills Familiarity with APIs, MLOps, and cloud deployment (AWS, GCP, or Azure) Clear communicator, comfortable in fast-paced, early-stage environments STEM ...

AI Engineer - AVP Capital Markets

Hiring Organisation
Caspian One
Location
City of London, London, United Kingdom
organisational boundaries and champion modern engineering trends. Stay ahead of the curve in Generative AI, ML infrastructure, and cloud-native tooling. Tech Stack Programming: Python (Java familiarity is a plus). AWS: S3, Kinesis, Glue, Lambda, Step Functions, SageMaker, and more. On-Prem: Managed Kubernetes Platform and Hadoop ecosystem. … Looking For 5 – 10 years of experience in software/data engineering, ideally in platform or infra roles. Strong programming skills in Python; passion for code quality and testing. Demonstrable experience applying Generative AI concepts (ideally in a front-office/capital market environment) Experience with AWS services (S3, Glue ...

Machine Learning Engineer (Mid-Senior, Remote)

Hiring Organisation
Renude
Location
City of London, London, United Kingdom
LangChain or LlamaIndex.2+ Experience with production optimisation for RAG systems, including latency, token cost control, context window constraints, monitoring and prompt versioning Strong Python skills and experience with PyTorch, TensorFlow or Keras Exposure to MLOps practices and hands-on experience with Sagemaker and/or Vertex AI Bachelor's degree … training and optimising computer vision models Proficiency working with vector stores, data chunking, embeddings, retrieval, ranking and recommendation systems Experience with Django or similar Python web frameworks Familiarity with Docker and containerised development Exposure to CI/CD pipelines and infrastructure-as-code 🌱 What We Offer Competitive compensation (based ...

Machine Learning Engineer (Mid-Senior, Remote)

Hiring Organisation
Renude
Location
Central London / West End, London, United Kingdom
LangChain or LlamaIndex.2+ Experience with production optimisation for RAG systems, including latency, token cost control, context window constraints, monitoring and prompt versioning Strong Python skills and experience with PyTorch, TensorFlow or Keras Exposure to MLOps practices and hands-on experience with Sagemaker and/or Vertex AI Bachelor's degree … training and optimising computer vision models Proficiency working with vector stores, data chunking, embeddings, retrieval, ranking and recommendation systems Experience with Django or similar Python web frameworks Familiarity with Docker and containerised development Exposure to CI/CD pipelines and infrastructure-as-code 🌱 What We Offer Competitive compensation (based ...

Lead Cybersecurity Incident Responder - GIAC, IR, Cyber

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Permanent
. * Exposure to penetration testing, including red team or purple team exercises, is advantageous. * Ability to script or automate using Bash, Perl, Python, or PowerShell. * Strong analytical mindset and familiarity with hypothesis-driven investigation methods. * Confident understanding of compliance, legal requirements, and managing third-party vendor relationships. * Solid working knowledge … Hunting, Cyber Threat Intelligence, MITRE ATT&CK, Red Team, Purple Team, Malware Analysis, Cyber Forensics, Security Operations, Security Engineer, On-Call IR, Penetration Testing, Python, PowerShell, Bash, Cyber Defence, CSIRT, MSSP, Network Forensics, Endpoint Forensics, Cloud Security, IR Lead, Security Consultant. ...

AI Engineer

Hiring Organisation
55 Exec Search
Location
City of London, London, United Kingdom
user interactions, wearables etc Comfortable managing experiments, model versions, and reproducible ML workflows Experience deploying machine learning models using cloud infrastructure (AWS preferred) Strong Python skills and a practical, delivery-focused mindset Desirable PhD in Machine Learning, Computer Science, Applied Mathematics, Computational Linguistics, or a related field Experience with behavioural … background or publications in relevant areas Tech stack • ML/AI: PyTorch, MLflow, SageMaker, ZenML • Infrastructure: AWS, Kubernetes, Docker • Edge deployment: CoreML, ONNX • Data: Python, S3, multimodal sensor data pipelines • Collaboration: JIRA, Git, structured OKR methodology Why you will enjoy working with our client: You’ll join a small, growing ...

Deskside Support Engineer(VIP Support)

Hiring Organisation
Cognizant
Location
City of London, London, United Kingdom
such as Microsoft Endpoint Configuration Manager (SCCM), Microsoft Intune, or JAMF Pro for software deployment and patching. Develop, test, and deploy automated scripts ( PowerShell, Python, or Bash ) to streamline routine maintenance, provisioning, and configuration tasks. Manage and enforce security and group policies within Active Directory, Azure AD, and Okta … macOS endpoints. Proven experience administering and leveraging a major endpoint management tool (SCCM, Intune, or JAMF). Advanced scripting skills (e.g., PowerShell or Python) for automation and task efficiency. Deep understanding of enterprise networking protocols, VPNs, and advanced security configurations. Expert knowledge of Microsoft 365/Office 365 administration ...

Principal Engineer/Engineering Manager

Hiring Organisation
Acxiom UK
Location
City of London, London, United Kingdom
remote engineers and data scientists, distributed across multiple countries in Europe, with a significant presence in Poland and Ukraine. Our tech stack includes Python with a React frontend, deployed on AWS in Kubernetes clusters, using GCP for Gemini and LangGraph for agent orchestration. While you’ll have the resources … personality, high enthusiasm, energy, and confidence Minimal Requirements: Proven experience as a senior technical leader in an Agile/Scrum environment Strong knowledge of Python and microservice architectures Experience building web applications, preferably including React Familiar with software development methodologies, scaled system design, and best practices Knowledge ...

Founding Engineer (Full Stack) – w/ Equity

Hiring Organisation
TEN-XER
Location
City of London, London, United Kingdom
while learning from demanding users. 🧩 What You'll Do Build core product features across the stack from cloud infrastructure to prompting to UX, including Python backend, Next.js with TypeScript frontend, PostgreSQL, and Azure-hosted LLM workloads with CI/CD pipelines via GitHub Actions and IaC such as Bicep Work … Bring 3+ years building and shipping production web applications full-stack, ideally in startups or small, high-ownership teams Strong backend experience with Python or similar, PostgreSQL, and cloud infrastructure with Azure preferred but AWS or GCP also relevant Frontend experience with modern TypeScript frameworks like Next.js or React ...

Senior/Lead Full Stack Developer (React / Python) AI Start up!

Hiring Organisation
Robert Half
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior/Lead Hands on Full Stack Developer - React/Python London Hybrid (4days in the office and 1 day from home) £110,000+ Equity Full-Time Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across … stack - React on the front end, Python on the back end click apply for full job details ...

AI Software Engineer | Python | RAG | Retrieval Augmented Generation | DAG | Dagster | London, UK

Hiring Organisation
Enigma
Location
City of London, London, United Kingdom
Software Engineer | Python | RAG | Retrieval Augmented Generation | DAG | Dagster | London, UK The role We are hiring an agent-focused software engineer to build internal agentic frameworks for our discovery product. You will define and implement the operating system that allows scientists to run repeatable, agent-in-the-loop, tool-using … evaluation infrastructure so every agent run is reproducible and reviewable by scientists and customers. Core responsibilities Own the architecture and implementation of agentic workflows (Python-first), including state management, retries, branching logic, and human-in-the-loop checkpoints. Build and maintain a tooling interface layer that standardises how agents call ...

Senior Software Engineer (Python/React)

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
120k 🚀🧠 💰 Salary: £70,000 - £140,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being ...

AI Validation Specialist (Python / AWS)

Hiring Organisation
Essential Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
customer-facing chatbots. To alleviate near-term pressure on the validation function and accelerate delivery through H1 2026, we are seeking individuals with strong Python capability and proven experience working in an AWS environment, combined with a sound, pragmatic approach to AI model risk management. The focus … ensure validation outcomes are actionable. Contribute to repeatable validation approaches and artefacts, leveraging and improving existing internal tooling where appropriate. Key Experience Required Python proficiency, with ability to demonstrate capability in a technical interview and/or practical test. Proven experience working in an AWS environment (hands-on, not just ...