26 to 50 of 54 Python Engineer Jobs in London

Software Engineer – AI Startup – Up to 85k 🚀🧠 💰 Salary: £50,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team … stack ✅ Understand the working dynamics of a fast paced start-up If this role sounds like it could be of interest, apply now! Software Engineer – AI Startup ...

optimise scalable data pipelines , supporting both batch and streaming workloads, using technologies such as Apache Spark . Work extensively with data technologies , leveraging Python and SQL to deliver high-quality analytical and data-driven solutions. Lead the design and delivery of data-centric applications , translating complex business and analytical … implementing microservices architectures , ideally within cloud environments . Strong background in data engineering , including building and maintaining large-scale data pipelines. Advanced proficiency in Python and SQL . Practical experience working with large language models , including model fine-tuning and API-based integrations (e.g. OpenAI). Experience in solution ...

Senior Software Engineer (Java/Python/Cloud & AI) We're looking for a Senior Software Engineer to join a high-performing technology team building scalable, cloud-native applications and AI-powered solutions within a fast-paced enterprise environment. You'll work as part of an agile ...

long-term maintainability Provide clear updates to stakeholders, supporting informed decision-making Key Skills & Experience Strong background in software engineering, either as a Senior Engineer or Technical Lead Experience with JavaScript (Node.js/TypeScript) or Python-based environments Proven experience leading teams through end-to-end technical delivery ...

Contract Senior Software Engineer (Java or Python) | Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop and support … into auditable, production-grade code Provide production support, working with Platform and SRE teams as needed Key Requirements: Technical: 8+ years commercial experience in Python or Java across the full development lifecycle 5+ years in financial services (buy-side strongly preferred) Solid relational database skills; MS SQL Server ...

Contract Senior Software Engineer (Java or Python) | Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop and support … into auditable, production-grade code Provide production support, working with Platform and SRE teams as needed Key Requirements: Technical: 8+ years commercial experience in Python or Java across the full development lifecycle 5+ years in financial services (buy-side strongly preferred) Solid relational database skills; MS SQL Server ...

Software Engineer/Developer (C++ Python Risk) London to £130k Are you a backend focussed Software Engineer with experience of working on financial Risk systems? You could be progressing your career in a hands-on Software Engineer role at the Investment Management arm of a global ...

Machine Learning Engineer (MLOps Python LLM AWS) London/WFH to £90k Are you a senior Machine Learning Engineer looking for an opportunity to take ownership, working on complex and interesting systems? You could be progressing your career in a hands-on technical leadership role ...

Lead Software Engineer is required by this B2B Fintech business as they look to improve their product platform offering and build on their client success. You'll be expected to take more technical leadership than managerial responsibilities, promoting better engineering practice, driving technology improvements and leading from a strong … hands-on perspective. This is a web-based reporting platform written in Python and Django, and your decisions around the technical direction will be critical in the future success of the business and how they continue to deliver to their clients. If the opportunity to take responsibility ...

Full-Stack Engineer (Mid-Level) – £75k + Equity – London (Hybrid) A well-funded AI startup based in central London is growing its engineering team and hiring a mid-level full-stack engineer. The company is focused on helping businesses integrate AI into real, day-to-day workflows — not just … High-impact role in a small, collaborative team What you’ll be doing You’ll work across both backend and frontend systems, primarily using Python and either React or Vue. There’s flexibility to lean into your strengths, but you’ll have ownership across the stack. What they ...

Description Senior Software Engineer (Java/Python/Cloud & AI) We're looking for a Senior Software Engineer to join a high-performing technology team building scalable, cloud-native applications and AI-powered solutions within a fast-paced enterprise environment. You'll work as part ...

Full Stack Engineer LegalTech/GenAI London (5 days onsite) Between £70,000 - £180,000 + Equity The Company My client are a fast-growing legal-tech startup applying Generative AI to the entire IP lifecycle - patents, trademarks, and legal documentation. They build real production systems used by 400+ … work with WYSIWYG editors (TinyMCE/CKEditor) Still hands-on with backend to deliver end-to-end features What They're Looking For Strong Python and/or TypeScript and React Solid full-stack fundamentals Top academic background preferred Comfortable moving fast in a startup environment Happy being ...

need an experienced SRE to focus predominantly on automation, optimization, and process re-engineering using AI for the Market Risk Platform. Strong Python and provable agentic AI delivery Primary Objectives: Eliminate Operational toil and recurring manual work through durable automation Re-engineer support/change processes to reduce … existing SREs spend less time firefighting and more time engineering Key Responsibilities (Automation & Process first) Automation Engineering (Core) Build production grade automation in Python(tools, services, workflows) to remove repetitive work: environment checks, dependency validation, automated reruns/reprocessing, safe restarts, drift detection, remediation actions, and standardized operation tasks ...

advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will … What Does a Typical Day Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend ...

advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will … What Does a Typical Day Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend ...

advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will … What Does a Typical Day Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend ...

advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will … What Does a Typical Day Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend ...

advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will … What Does a Typical Day Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend ...

Level Full-Stack Engineer | Up to £75k + Equity | London A funded AI startup in central London is looking for a mid-level full-stack engineer to join a small, fast-growing team. They help organisations actually embed AI into their teams' daily workflows and are backed with … client traction. 💸 Paying Up to £75,000 + Equity 🏙️ 1 day a week in Central London office The Role You'll work across a Python backend and Vue/React frontend, with flexibility depending on where you lean. This is a high-ownership position, small team, real impact ...

performer with aspirations to be the best? Are you proficient in Python Are you looking for your next career step? This role could potentially offer you an uplift in comp, responsibility and offers great scope for progression Why would you be interested? Join a team of already proven performers … being utilised? If so you will probably make more money here than where you are now! What you'll need? Proficiency in Python Experience with distributed systems Proficiency with AWS Experience working on Buyside Responsibilities: Contribute to the core tech platform Writing the software to improve and manage their ...

training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS) — with particular emphasis on systems-level code, performance-critical applications, and infrastructure. You will evaluate … solutions. What Does a Typical Day Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS). Evaluate and refine AI-generated code with an emphasis on systems-level correctness ...

training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS) — with particular emphasis on systems-level code, performance-critical applications, and infrastructure. You will evaluate … solutions. What Does a Typical Day Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS). Evaluate and refine AI-generated code with an emphasis on systems-level correctness ...

AgreatenergyclientbasedinLondonislookingforaFullStackPythonEngineer. If youre looking for a genuinely exceptional tech environment in London, this is it. The team is highly collaborative, technically strong, and incredibly supportive a group of talented professionals who genuinely enjoy working together. ...

Senior Software Engineer | React, Python, AWS | Real-time Data Intelligence Platform Full stack (flexible on lean) Location: Hybrid (London, Oxford or Cambridge) We’re working with an early stage technology company building a production grade data platform for real time systems and analytics at scale. While the business … Engineers to help build and evolve customer facing features on top of the core platform. This is a role for senior full stack Software Engineer who enjoy working across the stack in early stage environments. You will be building real features used by customers, helping shape how new capabilities ...

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 7+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, Fix Protocol with some Low Latency … drive a highly efficient technology used by several markets around the world. To be successful in this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other ...