1,101 to 1,125 of 1,484 Python Jobs in London

Lead Python Developer Climate Tech London (Hybrid, 3 days per week) Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed by some of the biggest names in climate philanthropy, this … complexity, mathematical optimisation, and performance challenges at scale - a long way from your average API job. Requirements: 7+ years experience developing and maintain scalable Python/FastAPI back-end services Ideally worked with high-performance APIs for complex hierarchical data queries and grid modelling computations Managed and optimised GCP cloud ...

Python Developer – Cyber £60,000 – £70,000 | Fully Remote (UK based) We’re working with a cutting-edge cybersecurity company looking to hire a Python Developer to join their team. This is a highly technical role focused on building tools and systems that detect and analyse real-world cyber threats … scale. Main Duties of the Role Design and develop Python-based tools for threat intelligence and security research Build and optimise data pipelines to process large volumes of security data Work closely with researchers to identify, monitor, and analyse emerging threats Contribute to scalable, cloud-based platforms used for offensive ...

Lead Python Developer – Climate Tech 👥 Non-Profit | Major Philanthropic Backing | Real Engineering Problems 📍 London (Hybrid, 2/3 days per week) 🔧 Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed … complexity, mathematical optimisation, and performance challenges at scale - a long way from your average API job. ⚡ Requirements: 7+ years experience developing and maintain scalable Python/FastAPI back-end services Ideally worked with high-performance APIs for complex hierarchical data queries and grid modelling computations Managed and optimised GCP cloud ...

platform used to assess over £200bn of non-life insurance business? This is a mid-level software engineering role focused heavily on production-grade Python development. Suitable for an experienced developer with 3 - 10 years of experience, and demonstrable experience writing production-grade Python. This is a hybrid role based … . The role: Technical Challenge: Take ownership of performance bottlenecks involving 4GB+ datasets. Architectural Input: Taking new features from conception to deployment Production-Grade Python: Apply software engineering best practices including OOP, unit testing, and CI/CD. What We Are Looking For: Production-Grade Python: Strong experience writing clean ...

would involve working across critical trade execution flows in real-time environments. Requirements: Strong Solace experience Knowledge of Middleware Messaging Ideally have experience using Python Experience in the trading industry would be ideal Does this sound like an opportunity that might be of interest to you? Apply ...

excel in this role, you should have expertise in the following areas: Quantitative Research Gauss Hull Options Theory C++ Erlang F# Scala Haskell Django Python Twisted NoSQL Data Science #J-18808-Ljbffr ...

Strong experience in HPC, research computing, or scientific computing operations Strong hands-on Slurm, MPI, CUDA, and multi-node GPU cluster experience Comfortable in Python, C/C++, Fortran, understanding code, not just running it Experience with parallel file systems and HPC data movement architectures Ideally: national lab, supercomputing centre ...

deploying offensive security solutions with deep understanding of adversary TTPs Architecting and scaling cloud-based systems for intensive data processing Strong code in Python and Go , at internet-wide scale ...

process they'd go to patch this vulnerability. Key Requirements 3 years+ as a security researcher with proven experience finding vulnerabilities Scripting in Python and/or GoLang, so you can find security vulnerabilities at scale CRT/OSCP (must have) Published CVEs Nice to have CCSAS/CCT (nice ...

methodologies to capture and validate design intent. Knowledge of CPU, DSP, or FPU architectures, including debug and test strategies. Proficiency in C, SystemC, C++, Python, Perl, or TCL. Understanding of verification requirements derived from architectural and functional specifications. Experience with GPU or CPU design methodologies, including UVM. On offer ...

looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhance Python-based applications for trading and risk use cases Build data … Ensure high code quality and test coverage Participate in code reviews and mentor junior developers where required Must-Have Skills Strong experience in Core Python development (6–10 years) Strong SQL skills with ability to handle complex queries and large datasets Experience with Python libraries (Pandas, NumPy) for data processing ...

Senior Product Engineer (Python) | Django, FastAPI, TDD, AWS, JavaScript | Building Human Intelligence > AI Infra | Research + Healthcare | Remote (UK) | £80-100k+ Bonus + Equity The Company - AI systems are only as reliable as the data and feedback loops behind them. We’re partnering with a profitable, globally-used technology … significant growth ahead, they’re investing heavily in senior engineering talent to shape the next phase of the platform. The Role - Senior Product Engineer (Python) | Django, FastAPI, TDD, AWS, JavaScript | Building Human Intelligence > AI Infra | Research + Healthcare | Remote (UK) | £80-100k+ Bonus + Equity You’ll join ...

Senior Product Engineer (Python) | Django, FastAPI, TDD, AWS, JavaScript | Building Human Intelligence > AI Infra | Research + Healthcare | Remote (UK) | £80-100k+ Bonus + Equity The Company - AI systems are only as reliable as the data and feedback loops behind them. We’re partnering with a profitable, globally-used technology … significant growth ahead, they’re investing heavily in senior engineering talent to shape the next phase of the platform. The Role - Senior Product Engineer (Python) | Django, FastAPI, TDD, AWS, JavaScript | Building Human Intelligence > AI Infra | Research + Healthcare | Remote (UK) | £80-100k+ Bonus + Equity You’ll join ...

Senior Python Engineer | Full Stack | Real-time Data Platform 3 days onsite (nr Oxford) every 6 weeks This is a backend-led full stack role at an early stage technology company building a production grade SaaS platform for real-time data systems and analytics at scale. This is product engineering … features and also contribute directly to the core platform as the business accelerates through its next phase of growth. You will work primarily in Python, reaching into React on the frontend and working across AWS to ship and support full features end to end. What you will be doing Building ...

Platform Engineer - Contract – Consulting - GCP, Kubernetes, Terraform, Python/Go Oliver Bernard are currently working with a Consultancy client of ours who are looking for strong Platform/DevOps Contractors, from a Development background, for a large Cloud, Container and Software focused project. You’ll be expected to work … Kubernetes History of IaC with Terraform, alongside CI/CD and Automation work Background in Software Engineering, comfortable coding with an OO language (ideally Python, Go or Java) Previous experience working in Finance or Regulated environments This position can offer £650-750 p/day, inside IR35, for an initial ...

join a cross-functional product team and help shape the backbone of their platform. What you'll be doing Backend-heavy engineering across a Python/FastAPI stack, working on everything from data pipelines and API design to ML/AI service integration. You'll be a proper senior … running code reviews, mentoring engineers, and getting involved early in research and experimentation, not just building to spec. The stack Python (FastAPI, Flask, strong typing, Pydantic) PostgreSQL AWS (Lambda serverless + ECS/Docker) Internal dev platform with standardised CI/CD pipelines Feature flags and automated preview environments What ...

Python Engineer (AI/LLM Focus) London (Hybrid) | 🚀 Fintech Scale-Up We’re partnering with a fast-growing fintech company in London that’s redefining how financial data is leveraged through cutting-edge AI. They’re now looking for a Python Engineer with strong experience in AI and Large Language … product, data, and engineering teams to bring AI-driven features into production. What you’ll be doing: Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists to productionise ...

orchestrate containers using Docker,Kubernetes and Rancher Set up monitoring & alerting with Nagios, Prometheus, and Grafana Develop automation scripts in Bash, PowerShell, and Python Administer Linux & Windows servers Troubleshoot, resolve and prevent production issues by implementing security best practices across infrastructure Required Skills Strong scripting and programming skills in Python ...

using tools like Terraform or CloudFormation Build and optimise CI/CD pipelines for continuous delivery Support containerised environments (Docker, Kubernetes) Develop automation scripts (Python, Bash, Shell) Work within cross-functional DevOps/SRE teams to improve system reliability and scalability Apply DevOps best practices across monitoring, logging and deployment … Engineering Hands-on with: Azure or GCP , Terraform (or similar IaC tools) and CI/CD tooling Experience with containerisation (Docker, Kubernetes) Scripting experience ( Python, Bash or similar ) Solid understanding of Linux, networking and cloud architecture Experience working in Agile environments Experience with configuration management tools (Ansible, Puppet, Chef) Package ...

recently active, SC or DV clearance (essential) Strong experience delivering production systems in complex environments Depth in at least one modern language (Java, TypeScript, Python, Go etc.) Cloud/container experience and a security‐first mindset Confidence influencing technical decisions and improving teams Tech we commonly use Java TypeScript Python ...

hands-on data scientist with deep expertise in NLP and LLMs, strong Python coding skills, and a track record of deploying models to production? Do you thrive in building real-world AI solutions that are used by actual customers? If so, we'd love to talk to you!ROLE SUMMARY … develop innovative products for financial markets and professionals.We're looking for someone who combines deep technical expertise in NLP and LLMs, strong Python engineering skills, and real-world experience shipping and supporting models in production. You should be comfortable owning delivery timelines and ensuring that solutions meet business needs ...

customer-facing or field roles. Proven success building and deploying AI/ML or data-intensive applications in production. Deep full-stack development skills (Python, Node.js/Go, React/Vue) and DevOps experience (Docker, K8s, CI/CD). Expertise in building data pipelines and integrating with enterprise systems … REST, Python, SQL, GraphQL, Webhooks etc). Solid understanding of LLMs, Prompt engineering/tuning, Vector DBs (AstraDB, Pinecone, Weaviate etc), RAG pipelines (LlamaIndex, Haystack) and Agent/Workflow Orchestration (LangChain, LangGraph, CrewAI) Knowledge of SLM Finetuning and Distillation is big advantage. Experience and knowledge of Agentic development platforms ...

Python Developer Location: London, United Kingdom (Partial remote 2-3 days onsite) Employment Type: Inside IR35 Contract Rate : 60 GBP per hour Duration : One year contract with extensions Role Overview We are seeking a Python Developer to join a front-office team at a leading financial institution. This role involves … requires close collaboration with quant, sales, and trading teams to deliver business-critical applications in a dynamic environment. Key Responsibilities Design and implement backend Python software solutions within the structured notes domain. Collaborate on a React UI application, ensuring clean API contracts and integration with backend services. Work in close ...

bottlenecks, message loss, and latency Implement high availability, failover, and disaster recovery strategies for RabbitMQ environments Develop automation scripts and tooling using PowerShell and Python to support deployment, monitoring, and maintenance Integrate RabbitMQ with enterprise systems, APIs, and microservices architectures Monitor system health, capacity, and performance, implementing proactive improvements Support … queues, routing, RPC) Solid experience managing RabbitMQ in clustered and high-availability configurations Strong Scripting and automation skills in PowerShell Strong development capability in Python for tooling, automation, and integration Experience with REST APIs, message brokers, and event-driven architectures Familiarity with containerised environments (Docker/Kubernetes) is highly desirable ...

framework Build, enhance, and maintain data pipelines within Snowflake Develop transformations and data models using DBT Orchestrate workflows using Apache Airflow Write clean, modular Python code for data engineering solutions Improve pipeline reliability, performance, and observability Introduce and embed CI/CD, testing, and deployment best practices (Azure DevOps) Define … level Extensive experience with Snowflake as a core data platform Advanced SQL with strong business logic and modelling capability Experience with DBT, Airflow, and Python Experience building modular, scalable solutions within Snowflake CI/CD pipeline experience, ideally using Azure DevOps Exposure to Docker and modern software engineering practices Strong ...