25,270+ Python Fastapi Developer Jobs in UK — Top Companies Hiring July 2026

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Lab Automation Scientist

Title: Lab Automation ScientistLocation: SloughWe are seeking a highly motivated Lab Automation Scientist to drive the implementation, optimisation, and support of laboratory automation systems across our biopharma R&D and development workflows. The ideal candidate will have hands-on ex ...

Embedded Software Engineer, Ring

Ring builds home security products used by millions of customers worldwide. Our firmware engineers own the software that runs on those devices, from first boot through to the features customers use every day. We are looking for engineers who design and build software systems that happen to run on embedded target ...

Credit Analyst Structured Finance & Alternatives Manager

Job DescriptionAre you ready to shape the future of investment analysis? At L&G, we’re looking for a Credit Analyst to join our Credit Ratings Team, where your insights will help drive robust, independent ratings for structured finance and alternative investments. You’ll be part of a collabo ...

IAM Security Engineer

Job DescriptionContract Role: IAM Security Engineer Contract Location: London/Belfast (Hybrid)Contract Duration: 6 months initially (with potential extension)Contract Start Date: Immediate</d ...

Technical Lead – Datacore

Technical Lead – DatacoreWe are searching for an experienced Technical Lead – DatacoreMake an Impact at RSM UK We are seeking a Technical Lead to join our Data, Analytics & AI team within a professional services environment. The successful candidate will provide technical leadership for the desi ...

Demand Planning Manager (All Genders)

Job Description The duration of this role is fixed, and the contract will have a length of 12 months.As a Demand Planner Manager – Stock Keeping Unit (Replenishment), you’ll manage and improve inventory forecasts to ensure optimal stoc ...

Programmer Analyst

Programmer Analyst Job Posted: 15 July 2026 Job Updated: 15 July 2026 Apply Now Job Title: Programmer AnalystFunction: CommercialLocation: Hybrid 1 day a week at any of our offices (Nottingham, Alfreton, Sheffield, Wakefi ...

Pre sales Senior Technical Solutions Engineer (Data and AI)

Req ID - FEQ427R59Location: LondonRecruiter: Kanwal Matharu At Databricks, our core values are at the heart of everything we do; a culture of proactiveness and a customer-centric mindset guide us to build a unified platform that makes data science and analytic ...

Firmware Development

Position SummaryAbout Samsung Semiconductor India Research (SSIR)Samsung Semiconductor India Research; Bangalore (SSIR) is largest overseas research & development centers for Samsung Semiconductor. SSIR is organized into verticals aligned with the business divisions of Samsung Semico ...

Infrastructure Specialist

Tokio Marine Kiln (TMK) are recruiting for a permanent Infrastructure Specialist to join our IT team reporting to the Infrastructure Operations Manager.This is a key role where you’ll support, maintain and enhance our core infrastructure, ensuring systems are reliable, secure and o ...

AI Engineer Generative & Agentic AI

Putting people first, every day BDO is a firm built on a foundation of positive relationships with our people and our clients. Each day, our professionals provide exceptional service, helping clients with advice and insight they can trust. In turn, we offer an award-winning environment that ...

Senior Research Scientist AI Safety

About the roleWe are seeking a Senior Research Scientist to join our high-impact R&D. You will lead novel research that advances scientific understanding and fuels our ambition to build safe AI systems. This is a crucial opportunity to join a small, high-agency team conducting vital red t ...

Trade Coordinator, Fixed Income

About the Role We are seeking a Trade Coordinator to be part of our Global Fixed Income Trading efforts. The position is within our London Trading Team, and the individual will work closely with our traders as well as several other groups across the firm. This individual will be focused p ...

Clinical Informatics Analyst

Medpace is expanding a new Clinical Informatics team and is looking for qualified individuals to support this initiative. Our analysts work directly with Clinical Operation teams to identify needs and establish solutions spanning data analytics, visualization, and accessibility. Analysts will be trained to ev ...

Application Support Engineer, UK, OEX

Exchange Support team is responsible for maintaining global system for the firm’s cryptocurrency trading business which operates 24x7. This team provides L2/L3 support to Business users and has full ownership of the production environment for all key business lines (Exchange platform, Risk management system, Bac ...

AI Engineer

Complexio is the intelligence layer for enterprise AI. Our platform builds a connected understanding of how businesses actually operate — across people, processes, and systems. Enterprises have invested heavily in AI platforms, copilots, and data infrastructure — yet daily work still runs on manua ...

Senior Software Engineer / Tech Lead

Senior Software Engineer / Technical Team Lead (Java & C++)OverviewWe are seeking an experienced Senior Software Engineer / Technical Team Lead to join our development team. This is a hands-on leadership role that combines technical delivery, software development, and people ma ...

Statistician Product Science and MS&T London

About GaldermaGalderma is the emerging pure-play dermatology category leader, present in approximately 90 countries. We deliver an innovative, science-based portfolio of premium flagship brands and services that span the full spectrum of the fast-growing dermatology market through Injectable Aesthetic ...

Lead Electronics Engineer – Life Sciences Instrumentation

About Portal BiotechPortal Biotech is developing next-generation bench-top instruments for proteomics, building on decades of in-house expertise in nanopore technology. By analysing full-length protein molecules at the single-molecule level, our platform delivers rapid, real-time information on pr ...

Senior Lead Software Engineer Agentic Gen AI / NLP

Are you passionate about building the next generation of AI solutions? Join us to lead and mentor a team of talented engineers, drive innovation in generative and agentic AI, and deliver impactful, scalable technology for Risk Technology. You’ll collaborate with cross-functional partners and play a key role i ...

Lead Site Reliability Engineer

Assume a critical role in defining the future of a globally recognized firm and have a direct and significant effect in a realm tailored for top achievers in site reliability.As a Lead Site Reliability Engineer at JPMorgan Chase within the Commercial & Investment Bank, you hold a leadership role in you ...

Market Risk / CCR Quant Analyst (AVP/VP Level)

Forvis Mazars is a leading global professional services network providing audit & assurance, tax, and advisory services. Forvis Mazars in the UK spans 14 offices across the nation and has over 3,400 professionals, with 190 partners. We have a clear purpose and a shared commitment to shape a better futu ...

Atomic Operations Designer

At Universal Quantum, we aim to make the world a better place by engineering the future of computing. Together, we are creating truly impactful quantum computers. Our machines will be capable of solving problems until now considered impossible, with applications ranging across a broad range o ...

Data & AI Delivery Senior Manager/Associate Director | Capital Markets

Description Data & AI Delivery Senior Manager/Associate Director | Capital MarketsLocation: London Working pattern: HybridSalary: Compensation aligned to experience and seniorityRef: J13120Senior Data & AI Delivery pr ...

Senior Build Engineer

Lighthouse Games is a new AAA studio in Leamington Spa. We are defined by our pedigree of talent, and serious ambition to build a new best-in-class game. When you join us at Lighthouse, you will be able to create the best work of your career, in an environment that feels truly collaborative. You will learn fr ...

Senior Modeller / Senior Health Economist

We are recruiting experienced senior health economists who bring both strong technical modelling expertise and a mindset geared toward innovation. If you enjoy modern analytical methods, are open to adopting new technologies, and want to work on models that drive real‑world healthcare decisions, we'd love to ...

Lead Software Engineer Data & AI

Job Description:Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our ...

Technical Lead – Datacore

Technical Lead – DatacoreWe are searching for an experienced Technical Lead – DatacoreMake an Impact at RSM UK We are seeking a Technical Lead to join our Data, Analytics & AI team within a professional services environment. The successful candidate will provide technical leadership for the desi ...

Senior Structural Engineer

Senior Structural EngineerPermanent roleBased in AmpthillOffering up to £51, Do you have experience with metallic and composite parts?Do you have experience in MSC Nastran?Do you want to work with an industry-leading company ...

Lead Crowd Technical Director ILM London

Résumé du poste: Position SummaryThe Lead Crowd TD is responsible for executing the creative and technical direction of a show, ensuring the vision of the VFX Supervisor is met with high-quality, efficient solutions. You will support, mentor and guide artists a ...

Principal Systems Engineer

Site Reliability Engineer (SRE) - RemoteOverviewAs a Site Reliability Engineer (SRE) at Altera, you will be responsible for ensuring the reliability, scalability, and performance of our hosted healthcare platforms. This role blends software and systems engineering to enhance service ...

Group Leader Cancer Health Data Sciences

The Institute of Cancer Research (ICR) and The Royal Marsden Hospital (RMH) invite applications for a Group Leader in Cancer Health Data Sciences. This is an exceptional opportunity for an outstanding researcher to establish an independent, internationally recognised research programme at the interface of can ...

Research Associate in NLP, Mechanistic Interpretability and Trustworthy Generative AI

We are seeking a highly motivated Research Associate in NLP, Mechanistic Interpretability and Trustworthy Generative AI. This role offers an exciting opportunity to contribute to AIRIS: Mechanism-Informed Generative AI for Causal and Dynamical Modelling in Multimodal Biomedical Research, a Horizon Europe proj ...

Software Engineer

Hamiltonian Dynamics is a growing technology company working across Defence and Cyber Security, delivering software solutions that support critical national and enterprise systems. With teams based in Gloucestershire, Manchester, and London, we are entering an exciting new phase of expan ...

Quantum Software Engineer (Calibration Team)

At OQC, we aren’t just theorising about the future; we’re building it. Born from a philosophy of bold innovation, we’ve successfully transitioned quantum computing from an academic dream into a commercial reality. The most exciting thing is that we’re just getting started and we’ve recently closed our £260 mi ...

Site Reliability Engineer

Job Title : Site Reliability Engineer Job Location : Hove, UK (Hybrid 3 days office) Job Type : FTE Job Description: SRE will play a pivotal role in driving the moderniz ...

Senior Modeller / Senior Health Economist

We are recruiting experienced senior health economists who bring both strong technical modelling expertise and a mindset geared toward innovation. If you enjoy modern analytical methods, are open to adopting new technologies, and want to work on models that drive real‑world healthcare decisions, we'd love to ...

Computer Science Teacher – Independent School – Essex

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.Are you a passionate Computer Science teacher who enjoys working with ...

Financial Lines Pricing Manager EMEA

Are you a qualified Actuary with 10+ years of long tail lines pricing experience in Specialty/ London Market? If you are passionate about growing your skills and career with one of the largest Property & Casualty insurers in the world, then we would love to hear from you!Chubb is a global insure ...

Payments Change & Transformation Senior Associate

We’re looking for a hands-on payments operations and/or regulatory reporting expert who wants to shape how the function runs—not manage workstreams from the sidelines. This role is built for someone who has owned reporting processes, resolved breaks, handled regulatory queries, and knows the real operational ...

Senior Backend Engineer

Join IntelliSense.io and help build the future of Scientific Intelligence Are you passionate about building scalable data systems and solving complex technical challenges? We’re looking for a Senior Backend Engineer to join our dynamic, global team.  This role is best sui ...

Senior Dev Ops Engineer

Job SummarySquare Enix is a leading publisher of entertainment content, known for iconic franchises such as Final Fantasy, Kingdom Hearts, Dragon Quest, NieR, Life is Strange, and Just Cause. Our miss ...

Telecom Solution Architect

<p style="text-align:start; text-indent:0px; -webkit-text-stroke-width:0px">The Solution Architect will be responsible for designing, implementing, and managing scalable, secure, and efficient cloud solutions using AWS, Azure, or GCP platforms. The ideal candidate should possess expertise in one ...

Business Studies & Computer Science Teacher Progressive Secondary School in Bournemouth

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.Start Date: September 2026Contract:</ ...

AI Transformation Architect

Role detailsPermanent, full timeHybrid, within 30 miles of an office: Edinburgh, Newcastle, Leeds, Manchester or LondonAI is changing how software gets built, fast, and we'd rather shape that than watch it happen. We're building our AI practice now, across the work we do for c ...

Staff AMS Verification Engineer

Job DescriptionWe are seeking a highly skilled and motivated Staff AMS Verification Engineer to join our hardware development team. In this role, you will be responsible for ensuring the functional correctness and robustness of complex analog and mixed-signal ASIC designs through advanced verificati ...

Test Engineer

Hamiltonian Dynamics works across Defence and Cyber Security, delivering high-assurance software systems for critical environments. As we continue to grow, we’re looking for Test Engineers to help ensure the quality, reliability, and security of our platforms and applications.R ...

Lead Engineer

Responsibilities:Lead and inspire a team of talented engineers, fostering a culture of psychological safety, curiosity, and creative problem-solving to drive continuous innovation.Partner with Principal Engineers to define and execute the strategic technical roadmap fo ...

Senior Software Engineer Data Integration

Senior Software Engineer - Data IntegrationJob LocationLondonEmployment typeRegularDepartmentTechnologyTargeted Start DateImmediateDRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in mar ...

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