751 to 775 of 998 Python Jobs in Central London

Optimise and fine-tune LLMs for efficiency, scalability, and accuracy in production environments Build and maintain robust data pipelines and scalable backend components in Python Collaborate cross-functionally with engineers, data scientists, designers, and product managers to ship AI-first features Requirements: 2+ years of hands-on AI Engineering experience … with strong software engineering fundamentals Proven experience working with LLMs in production (fine-tuning, prompt engineering, or API integrations) Proficiency in Python Experience designing and deploying RAG pipelines (vector databases, embeddings, retrieval optimisation) Academic Excellence: BSc or MSc in Computer Science, AI, Data Science, or related technical field from ...

EC1M 6PB Start date: January 2026 Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a three-month contract but there is potential … CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers ...

across a modern data stack. Responsibilities Lead and mentor a small team of data engineers. Design, build and optimise data pipelines and integrations using Python and Airflow. Develop scalable, cloud-native solutions on AWS, leveraging services such as Snowflake, Kubernetes, and Terraform for infrastructure-as-code. Build and maintain robust … accurate, reliable, and driving business value. Requirements Strong hands-on experience with AWS (Azure or GCP also considered). Excellent programming skills in Python . Proven background in API development and integration. Experience building and maintaining modern data pipelines using Airflow and Kafka . Solid understanding of Snowflake or similar ...

Product, B2B2C 📏 Size | 600 people globally, 60 in London 🧢 Role | Security Engineer 🪜 Level | Senior 🎯 Areas | Security, Platform, GenAI, R&D ✨ Skills | AWS/GCP, Python/Node.js/Go, K8s, Terraform 📍 Based | Zone 1, London 💻 Hybrid | 2-3 days a week in-office 💰 Offer | £100-120k + bonus + … Engineer with experience/knowledge of: production systems in public cloud environments ( AWS/GCP/Azure/Kubernetes ) programming and infrastructure-as-code ( Python/Node.js/Go/Terraform/CloudFormation etc) fundamental security understanding across every layer of the stack bonus points for any exposure to security ...

practices. Collaborate with cross-functional teams for safe AI adoption. Qualifications Degree in Computer Science, Data Science, Finance, or related field. Strong programming skills (Python, SQL, C++, Java, etc.). Experience with AI/ML frameworks (TensorFlow, PyTorch). Minimum 4+ years in AI roles within finance or consulting. Knowledge … skills. Desired Traits Passion for innovation in regulated environments. Strong problem-solving and technical storytelling abilities. Commitment to ethical AI deployment. Key Skills Advanced Python and backend languages. Expertise in prompt engineering, fine-tuning, RAG, and agentic design. Familiarity with AI tools (GitHub Copilot, ChatGPT, SonarQube, LangChain, etc.). Understanding ...

embed DevOps best practices. Monitor system performance and proactively address issues. Tech Stack & Tools Cloud: AWS Containers: Kubernetes, Helm Automation: Terraform, GitOps Scripting: Python, Bash CI/CD: GitHub Actions, Jenkins (or similar) What You’ll Need Strong AWS experience with a focus on scalability and security. Hands-on experience … with Kubernetes, Helm, and containerization. Proven ability to build and maintain CI/CD pipelines. Proficiency in Python and Bash scripting for automation. Solid understanding of Infrastructure as Code (Terraform). A collaborative mindset and strong problem-solving skills. Perks & Benefits Hybrid working (Tue & Thu in office). Private medical ...

embed DevOps best practices. Monitor system performance and proactively address issues. Tech Stack & Tools Cloud: AWS Containers: Kubernetes, Helm Automation: Terraform, GitOps Scripting: Python, Bash CI/CD: GitHub Actions, Jenkins (or similar) What You'll Need Strong AWS experience with a focus on scalability and security. Hands-on experience … with Kubernetes, Helm, and containerization. Proven ability to build and maintain CI/CD pipelines. Proficiency in Python and Bash scripting for automation. Solid understanding of Infrastructure as Code (Terraform). A collaborative mindset and strong problem-solving skills. Perks & Benefits Hybrid working (Tue & Thu in office). Private medical ...

vibrant Financial/Banking environment, candidates will have a minimum of 2+ years Red Hat Linux systems Administration with some Scripting - Bash/Python - and ideally some SQL/Database knowledge. Job Overview You will be providing 1st, 2nd & 3rd line Linux technical support, troubleshooting, and maintenance for Linux-based …/or administering IT monitoring systems such as Nagios or SolarWinds. Experience with Version Control System (git) desirable. Scripting on Linux systems bash/python desirable. Cloud experience a bonus. SQL database experience a bonus. Strong analytical and organizational skills, with passionate attention to detail and a willingness to learn ...

including their AI/ML services. Strong foundation in software engineering principles for building scalable, maintainable, and production-ready AI systems. Proficiency in Python with AI/ML frameworks (PyTorch, TensorFlow). Experience with MLOps/LLMOps tools (MLflow, Kubeflow, Docker, Kubernetes). Deep proficiency in Python and extensive experience ...

following is a bonus, you do not need all of them. Backend & Infrastructure AWS (Lambda, API Gateway, Cognito, S3, OpenSearch) Node.js/TypeScript Python PostgreSQL & DynamoDB Serverless architecture & microservices Docker, CI/CD pipelines Cloud security & compliance (HIPAA/GDPR/NHS DTAC) Frontend React TypeScript Tailwind Component-driven development … quality, reliable solutions. Curiosity, humility, and a desire to build the future of clinical decision support. Nice to Have Experience coding in TypeScript, JavaScript, Python, or similar. Understanding of cloud systems (AWS preferred). Familiarity with LLMs, embeddings, or semantic search. A portfolio of side projects, tools, or apps ...

will benchmark these systems rigorously to ensure they actually work, not just "feel" smart. Build the Backend Foundation: You will spend significant time in Python (FastAPI, SQLAlchemy) building the APIs, data structures, and services that power the product. You are an engineer who ensures the "AI" is delivered on reliable … optimization. Skills & Experience Production Engineering (5+ years): You are a strong software engineer first. You have extensive experience building and maintaining backend services in Python (ideally FastAPI or similar async frameworks) deployed to modern cloud providers (GCP/AWS) or point solutions (Railway, Render, Vercel) Applied AI Architecture: You have ...

consulting firm on one or more modules for a major financial services client. The focus is on setting and enforcing engineering standards across multiple Python/Django applications, while remaining highly hands‐on. Key responsibilities: Lead the design and development of backend services and REST APIs using Python and Django … within a containerised environment (Kubernetes as a strong “should have”) and a client‐provided framework for deploying applications. Essential experience: Extensive commercial experience with Python and Django, including building production‐grade RESTful APIs. Proven track record as a lead/principal/tech‐lead engineer, owning technical decisions, code quality ...

Founding Full Stack Engineer (Python/TypeScript) – London - £180K plus equity Halian is currently working with a stealth-stage AI startup is hiring its first technical team member. If you want to build core AI systems from the ground up and move faster than a typical tech organisation ever allows … across backend, frontend, data, and cloud systems ·Solve high-impact problems (including the ones we haven’t discovered yet) Tech you’ll work with ·Python + TypeScript/Node.js (in equal measure) ·API integrations, ETL, schema validation ·React/TypeScript, Supabase, AWS ·Data quality systems and pipeline tooling ·Whatever ...

hiring for Senior Data Analyst - (SQL/Python/ADF/Databricks/insurance) Location: London, UK Hybrid - 2-3 weekly Job Description: Perform data profiling, mapping, and data quality analysis on complex insurance datasets across policy, claims, quotes, and pricing systems. Analyze source-to-target data flows and translate … development of data quality dashboards and reconciliation reports. Participate in sprint planning, agile ceremonies, and timely delivery of data artefacts. Key Skills: SQL, Python, Azure Data Factory, Databricks, Data Profiling, Data Quality, Insurance Data, Agile, Data Mapping ...

Fimador are working with a prestigious city based financial services firm on their quest to find a Python Engineer and help build out their data platform. As the company is still in the early stages of its data-engineering journey, this role offers the chance to influence architectural decisions … relatively modest, the business logic is complex and domain-heavy. Prior experience in securities lending is helpful but not essential. Responsibilities: • Develop and maintain Python-based data pipelines, with a primary focus on batch processing. • Integrate external vendor data sources (e.g., EquiLend Spire, Marex, Euroclear) and standardise inbound datasets. • Deliver ...

Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe About Us We build AI assistants that make technical knowledge instantly accessible. As a research engineer, you will work on advancing our system’s ability to answer increasingly complex technical questions. Our technology is already deployed … that this position is fully remote in Europe but you MUST have the right to work in your country of residence. Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe ...

Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe About Us We build AI assistants that make technical knowledge instantly accessible. As a research engineer, you will work on advancing our system’s ability to answer increasingly complex technical questions. Our technology is already deployed … that this position is fully remote in Europe but you MUST have the right to work in your country of residence. Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe ...

Engineering Manager – London OR Manchester - Salary up to £120k We’re hiring a Hands-On Engineering Manager with deep technical leadership experience across Python , large-scale data systems, and modern AWS infrastructure. You’ll lead a squad of 4 engineers , guiding them through complex technical decisions and helping them deliver … What You’ll Be Doing Lead and develop a squad of 4 engineers , supporting growth, coaching, and high-quality delivery. Set technical direction across Python services, distributed systems, and large-scale data processing. Work heavily with AWS — especially Redshift, Lambda, ECS, S3 , plus data formats like Parquet . Shape high ...

Software Developer Post-Trade Automation Ncounter are supporting a globally recognised systematic investment firm in hiring a Python focused Software Developer to join their Post Trade engineering group. This team builds and operates the pipelines that sit at the heart of post trade processing, powering millions of transactions and ensuring … quality driven, with strong expectations around software engineering standards, data integrity, and scalable distributed design. Core Requirements • Strong Computer Science background with 5 years Python engineering in trading or post trade domains • Proven experience building data intensive services and working with PostgreSQL and data frame tooling • Background in trade booking ...

data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of sources Collaborate with quants ...

Looking For: A degree in Computer Science or a related field Solid experience working as a Full Stack Developer Strong proficiency in React and Python Experience in the finance sector is a plus Excellent written and verbal communication skills A proactive approach to learning and a willingness to adopt ...

Startup - Backend Python Engineer A pair of second time founders who have already built and exited successful ventures are assembling a new elite engineering team for their next AI startup! They have secured top tier backing (8 figures!), built early traction with thousands of users and are now searching … backend systems that could redefine how people interact with AI every day! 💡 The Role Build core backend services, APIs and distributed systems in Python Design architecture, data flows and infrastructure foundations from day zero Work directly with the founders on product strategy and technical direction Move fast in an iterative ...

Software Developer (Python/Django) 📍 Hybrid – Onsite 2 Days/Week (UK) 🔐 Must Have : Live & Active Security Clearance From Day One 📅 Start: January 💷 Outside IR35 | Public Sector We’re partnering with a public sector organisation to find a talented Software Developer to join their team from January . This role … thoughtful improvements to a widely used platform. Software Developer – What You’ll Be Working On Enhancing and maintaining a server-side application built with Python/Django Performing database work including data loads , optimisation , and schema changes using PostgreSQL Supporting and refining a Celery-based background task system Collaborating with ...

Software Developer (Python/Django) 📍 Hybrid – Onsite 2 Days/Week (UK) 🔐 Must Have: Live & Active Security Clearance From Day One 📅 Start: January 💷 Outside IR35 | Public Sector We’re partnering with a public sector organisation to find a talented Software Developer to join their team from January . This role … thoughtful improvements to a widely used platform. Software Developer – What You’ll Be Working On Enhancing and maintaining a server-side application built with Python/Django Performing database work including data loads , optimisation , and schema changes using PostgreSQL Supporting and refining a Celery-based background task system Collaborating with ...

Python Software Engineer - VC-Backed Start-Up - London We're looking for a Python Software Engineer to join a fast-growing start-up developing a standout product in a high-potential, niche market. Backed by one of the world’s most prestigious venture capital firms , the company is gaining serious … building a world-class team. This is a rare opportunity to play a key role at a pivotal stage of growth, where your Python skills will have direct and visible impact . What We’re Looking For 5+ years of professional experience with Python Strong academic background ...