24,872+ Python Fastapi Developer Jobs in UK — Top Companies Hiring July 2026

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ML Engineer – Generative AI

GreenPowerMonitor, a DNV company, is at the heart of the global energy transformation. We use data-driven digital solutions to optimise the performance of renewable energy installations around the world. Our work contributes to a more diverse, more sustainable global energy mix.We are looking for an ML ...

Quantitative Researcher, Private Equity Co Investments (Boston, London or Dublin)

Description SummaryFor over forty years, HarbourVest has been home to a committed team of professionals with an entrepreneurial spirit and a desire to deliver impactful solutions to our clients and investing partners. As our global firm grows, we continue to add individuals who seek a col ...

Computer Vision and Artificial Intelligence Engineer

As a Computer Vision and Artificial Intelligence Engineer within the Image Processing UK department, you will play a critical role in the development of MBDA products and technologies. You will be an important member of a department that produces world-beating algorithms.Salary: Up to £62,000 depending o ...

Senior Azure Engineer

Senior Azure Engineer Travel Requirement: Regular travel to the Channel Islands will be required, typically one to two days per week during the first six months (and potentially beyond), as part of supporting a key customer engagement. Applicants should be willing and able to travel regularly.Sha ...

Network Security Engineer

Salary - Up to £65,000.00Location - Scunthorpe, North Lincolnshire, DN16 1XAPattern of Work – 36.5 hours, Monday - FridayWhat you need to know about the roleWe are looking for a skilled Network Security Engineer with a strong focus on firewall technologies to join our IT Infrastructur ...

Market & Liquidity Risk Business Analyst

Market & Liquidity Risk Business AnalystLondon/Hybrid Contract to end March 2027Day rate from £700 DOE via Umbrella Company Our commitment is to provide equal opportunity regardless of, for example, your gender, age, ethnicity, disability, sexual orientation or beliefs. We als ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

Finance Business Partner

Contract type: one permanent vacancy and one 15-month fixed-term contract vacancyHours: 37.5 / weekSalary: circa £70,000 depending on experienceLocation: Leeds (LS1 4HR)WFH policy: Employees are required to attend the office 2 days/weekFlexible working: Variety of flexible wor ...

Instrumentation & Monitoring Manager

Help Shape the UK’s Energy FutureInstrumentation & Monitoring Manager Opportunity with the Civil Works Alliance (CWA), Supporting Sizewell CAs part of the CWA (Civil Works Alliance), you will support the building of Sizewell C. Sizewell C will be a 3.2-gigawatt power station generating low-ca ...

Software Test Lead

Company DescriptionALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solution ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

Software Team Leader

Job Title: Software Team LeaderLocation: Rochester, OnsiteSalary: Up to £65,000 dependent on experienceWho we are:Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help p ...

IT Security Engineer

SummaryWe’re looking for an IT Security Engineer to join our Security Operations team. You’ll help protect the systems, services and information that support the National Trust and the millions of people who engage with us every year. Working alongside experienced security professionals, ...

Process Engineer

Energise Your Career with Framatome UK – Powering a Safer, Smarter Nuclear FutureFramatome is a global leader in nuclear energy, recognised for delivering innovative, value-added technologies that design, build, maintain, and advance the world's nuclear fleet. With 20,000 employees in over 70 locations w ...

Head of AI & Agentic Platform Engineering

ROLE SUMMARYThe Head of AI & Agentic Platform Engineering owns the infrastructure layer that makes Pfizer's AI ambitions executable, the compute, LLM gateway, MLOps machinery, and observability platform on which every AI workload at Pfizer runs. This is not a supporting function. It is the capab ...

Head of AI & Agentic Platform Engineering

ROLE SUMMARYThe Head of AI & Agentic Platform Engineering owns the infrastructure layer that makes Pfizer's AI ambitions executable, the compute, LLM gateway, MLOps machinery, and observability platform on which every AI workload at Pfizer runs. This is not a supporting function. It is the capab ...

Head of AI & Agentic Platform Engineering

ROLE SUMMARYThe Head of AI & Agentic Platform Engineering owns the infrastructure layer that makes Pfizer's AI ambitions executable, the compute, LLM gateway, MLOps machinery, and observability platform on which every AI workload at Pfizer runs. This is not a supporting function. It is the capab ...

Head of AI & Agentic Platform Engineering

ROLE SUMMARYThe Head of AI & Agentic Platform Engineering owns the infrastructure layer that makes Pfizer's AI ambitions executable, the compute, LLM gateway, MLOps machinery, and observability platform on which every AI workload at Pfizer runs. This is not a supporting function. It is the capab ...

Go to Market Engineer (AI first GTM Engineering)

About SenseOnSenseOn is an AI cybersecurity platform helping organisations gain holistic visibility and control of cyber risk. We're building an AI-first go-to-market engine that blends engineering, data, and commercial execution to create pipeline and accelerate customer outcomes.The role</h ...

Senior Data Scientist

Who we are:Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one ...

Solutions Architect, Integrations (UK/EU)

Who we are:Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one ...

Lead AI System Architect

Lead AI System Architect The AI System Architect leads the architecture of EIS's agentic AI platform — the design of multi-agent systems that automate insurance workflows end-to-end across Policy, Billing, and Claims domains. The role owns the patterns, frameworks, and standards for agent ...

AI Enablement Lead (Belfast based)

 AI Enablement Lead (Belfast based)We are looking for an AI Enablement Lead to drive the practical adoption of AI across the business. This is a hands-on role focused on building tools, automating work ...

Principal Backend Engineer MPG Fully remote from the UK or the EU

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships.Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Gi ...

Technical Outbound Product Manager

Title: Technical Outbound Product Manager Location: Bangalore, Karnataka, IN Requisition ID: 133912 Job SummaryNetApp Platform Product Team is responsible for building, launching, and managing NetApp’s core storage and data management products. The team ...

Senior Backend Engineer MPG Fully remote from the UK or the EU

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships. Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Giving ...

Senior Data Engineer Customer Data Platform

About the BusinessLexisNexis® Risk Solutions provides customers with solutions and decision tools that combine public and industry-specific content with advanced technology and analytics to assist in evaluating and predicting risk and enhancing operational efficiency. We use the power of data and ad ...

Solutions Architect, Integrations (UK/EU)

Who we are:Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one ...

Senior Backend Engineer MPG Fully remote from the UK or the EU

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships. Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Giving ...

Location Planning Manager

What You Will DoLeads the development of the store estate strategy for specific regions of the UK, acting as the primary source of insight and business subject matter expert.Uses available data, insight analytics and standalone analysis projects to shape strategy, support decision making and ...

Senior Data Scientist

Who we are:Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one ...

AI Enablement Lead (Belfast based)

 AI Enablement Lead (Belfast based)We are looking for an AI Enablement Lead to drive the practical adoption of AI across the business. This is a hands-on role focused on building tools, automating work ...

Principal Backend Engineer MPG Fully remote from the UK or the EU

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships.Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Gi ...

Technical Outbound Product Manager

Title: Technical Outbound Product Manager Location: Bangalore, Karnataka, IN Requisition ID: 133912 Job SummaryNetApp Platform Product Team is responsible for building, launching, and managing NetApp’s core storage and data management products. The team ...

Data Architect – AI & Cloud Infrastructure Leeds Halifax Manchester

<p>Lead Data Architect AI & Cloud Infrastructure</p> <p>Location: Leeds, Manchester, Halifax<br /> Department: Enterprise Data & Analytics<br /> Employment Type: FTC/Contract</p> <p&g ...

Lead AI System Architect

Lead AI System Architect The AI System Architect leads the architecture of EIS's agentic AI platform — the design of multi-agent systems that automate insurance workflows end-to-end across Policy, Billing, and Claims domains. The role owns the patterns, frameworks, and standards for agent ...

Go to Market Engineer (AI first GTM Engineering)

About SenseOnSenseOn is an AI cybersecurity platform helping organisations gain holistic visibility and control of cyber risk. We're building an AI-first go-to-market engine that blends engineering, data, and commercial execution to create pipeline and accelerate customer outcomes.The role</h ...

Staff Software Engineer Warehouse Connect

As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues. With ethical values at the heart of the business and technology leaders who truly understand engineering, this is an exciting ti ...

Quantitative Analyst Prediction Markets

Quantitative Analyst — Prediction MarketsAbout Moreton Capital PartnersMoreton Capital Partners (MCP) is a CFTC regulated systematic, technology-first investment manager trading across commodities, alternative markets, and emerging data-rich asset classes. We combine quantitative mode ...

Senior DevOps Engineer(Night Shift)

At NiCE, we don’t limit our challenges. We challenge our limits. Always. We’re ambitious. We’re game changers. And we play to win. We set the highest standards and execute beyond them. And if you’re like us, we can offer you the ultimate career opportunity that will light a fire within you.At NICE, we ...

Senior ML Engineer

**THE AI ACCELERATOR** Most diseases are still poorly understood at a biological level. Despite decades of research, the causal mechanisms driving many conditions remain unclear, limiting our ability to identify the right targets, design the right interventions and bring the right medicines to patients. ...

Playback Ops Sys Dev Engineer, Playback Operations Systems Group

DescriptionCome build the future of entertainment with us. Are you interested in shaping the future of movies and television? Do you want to define the next generation of how and what Amazon customers are watching? Prime Video is a premium streaming service that offers customers a vast collection of ...

Nuclear Graphite Engineer

We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities. <br ...

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    Python Fastapi Developer Jobs in United Kingdom Job Search Guide, Trends and Insights