663,524+ Lead Python Developer Cloud Fastapi Data Platforms Jobs in UK — Top Companies Hiring June 2026

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Lead Developer in Wakefield BPM Tech Limited

Lead Developer Wakefield, UnitedKingdom Posted 9 months ago Tech Stack JavaScript PHP React Job Responsibilities Stay hands-on with development work (JavaScript, PHP, React). Contribute to presales, scop ...

Lead Software Developer FX Cash Trading Platform

RBC is seeking a Lead Software Developer to join the FX Cash Trade Processing team in London. The successful candidate will design and develop critical trading systems and will lead technical solutions while collaborating closely with multiple teams. Candidates should have over 10 years of experience i ...

Lead React Developer Hybrid (Cinema/TV Tech)

Opus Recruitment Solutions is seeking a Lead React Developer for a role in Shoreham. In this position, you will lead a small team while engaging in hands-on coding to deliver top-tier technical solutions for the TV and Film industry. Your expertise in agile methodologies, coupled with a passion for ind ...

MES Lead Developer (OpenVMS) for Manufacturing Systems

CBSbutler Holdings Limited trading as CBSbutler is looking for a Mainframe Developer to manage and optimize a critical Manufacturing Execution System. The successful candidate will play a key role in enhancing production efficiency and system reliability in a high-tech manufacturing environment. The ro ...

Lead Java/Scala Developer Shape Digital Preservation

A leading digital archiving organization in London seeks a Lead Developer proficient in Java and Scala to oversee software development in their Digital Preservation team. You will manage systems critical to preserving national digital records and lead innovation within the department. The ideal candidate has exp ...

Sr Lead Software Engineer UI Developer React

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team that works to enhance, ...

Lead Java Developer || Must hold active SC

Lead Java Developer (AWS) • Remote with ad hoc travel • 12 month Fixed Term Contract - Salaried, not day rate • SC Clearance required - we are unable to accept applications from candidates ...

Senior Java Developer Credit Risk Tech Lead

Citi is looking for a Senior Java Developer in Greater London, responsible for delivering advanced technology projects in the Risk Technology Team. This role contributes to software solutions that manage financial exposure and supports risk management efforts. Candidates should have core Java experience, pref ...

Lead Java Backend Developer AWS, Kubernetes & DevOps

Universal Music Group is looking for a Lead Developer to join their Royalty and Copyright Product Team. The role involves designing and maintaining external-facing royalty portals using Java, while collaborating in an agile team environment. The ideal candidate should have strong commercial experience ...

Senior Umbraco Lead Developer Hybrid/Client Facing

IntaPeople Limited is assisting a Software House in Cardiff seeking a Senior Software Engineer to lead Umbraco projects in a consultative role. This position emphasizes client communication and technical leadership, requiring hands-on experience in Umbraco CMS development. The company prides itself on ...

FX Risk Lead Java Developer Vice President

Overview Citi’s Markets technology team is growing at lightning speed, and we’re looking for talented technologists to help build the future of global banking. Our teams are creating innovations used across the globe. As the world’s most global bank, Citi provides an opportunity to touch every cor ...

Highways Agreements Specialist | Lead Developer Driven Infra

Swindon Borough Council is looking for skilled Specialists to join the Highways Agreements team. You will manage complex highway agreements, ensuring compliance and high standards. As a trusted advisor, collaborate with various stakeholders to enhance public service delivery. This role requires travel ...

Hybrid Public Sector Salesforce Developer – Lead & Build

IBM is seeking a Salesforce Developer for its Consulting UK FutureNow team. This role focuses on designing and developing advanced Salesforce solutions for public sector clients while providing technical leadership to junior team members. Preferred candidates will have a Bachelor’s Degree and extensive ...

AI Application/Big Data Engineer

6-Month contract – Inside IR35 – market rate London based – hybrid working – up to 3 days a week onsite Finance sector - must have previous experience Role Overview Senior AI / Data Engineer responsible for designing, building, and optimizing AI-dri ...

Graduate Engineer

First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward. Counting many of the world's leading investment banks as clients, we help our clients navigate the data-driven, digital revolution that is transforming the financia ...

ServiceNow ITOM Developer

We are looking for an experienced ServiceNow ITOM Developer to join a growing ServiceNow practice delivering enterprise-scale transformation programmes. This role will focus heavily on ServiceNow ITOM, CMDB and Discovery, helping organisations improve service visibility, data quality and operational effi ...

Quantitative Developer

Purpose of the role To design, develop, and evolve trading, risk management and other platforms that facilitate trading and regulatory objectives within the investment banking domain. Accountabilities Design, development, and maintenance of high-performance trading platforms, ...

Software Engineer Chemistry & Data Intergration

Software Engineer Chemistry & Data Integration Full time in-office (London) About the Company We are working closely with a rapidly growing Scientific SaaS company who have developed a unified LIMS platform to support enterprise R&D teams. Their platform is ...

Automation Test Engineer (SC Cleared 6 Months FTC)

Automation Test Engineer (SC Cleared 6 Months FTC) Role will be part of our Quality Engineering & Assurance (QE&A) Practice. With more than 650 clients across industry verticals and a global footprint, Cognizant QE&A practice is a recognized thought leader in quality engineering and Assurance. As ...

Software Engineer (Python) Beacon Core Engineer

We are seeking a skilled and motivated Senior Software Engineer to join our dynamic team at CWAN. The role joins our Beacon Core Engineering team. The Core team develops large part of Beacon Cloud, just above the Platform abstraction. It deals with the developer tools (SDLC) that we offer to clients and us ...

Software Engineer (Python) Beacon Core Engineer

Job Summary:We are seeking a skilled and motivated Senior Software Engineer to join our dynamic team at CWAN. The role joins our Beacon Core Engineering team. The Core team develops large part of Beacon Cloud, just above the Platform abstraction. It deals with the developer tools (SDLC) that we ...

Quantitative Developer

The Fenics Market Data Analytics team are recruiting for an experienced pricing and analytics quant developer to come and work in a real-time data analytics team. A successful candidate will join the team and focus on our cross-product pricing build out. Initially focusing on Interest Rate Swaps, the build ...

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 ...

Data Scientist

Data Scientist Location: Nine Elms, London - Full-time As part of our vision, we are seeking a talented Data Scientist to join our dynamic, expanding team.  Ov ...

Security Architect

We are seeking an experienced Senior Security Architect with deep expertise across enterprise security solutions and cloud security technologies. The ideal candidate will have a strong background in designing and implementing large-scale security architectures, advanced threat detection capabilities, and m ...

Front End React Angular Developer

Synechron is looking for an experienced Front End Developer with expertise in React and Angular to join our innovative team working on cutting-edge AI projects for a leading financial organisaion. The ideal candidate will have a strong background in developing user interfaces, a passion for AI, and experie ...

Senior Cloud Engineer (K8S) London, UK

At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at datacenter scale. As part of the SoftBank Group, backed by significant long-term inv ...

Senior Cloud Engineer (K8S)

About Graphcore At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at datacenter scale. As part of the SoftBank Group, backed by ...

Senior Systems Engineer – Performance & Reliability Bristol, UK

Senior Systems Engineer – Performance & Reliability Bristol, UK About Graphcore How often do you get the chance to build a technology that transforms the future of humanity? Graphcore products have set the standard in made-for-AI compute hardware and software, gain ...

Senior Kubernetes Cloud Engineer — Flexible Work

About Graphcore At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at datacenter scale. As part of the SoftBank Group, backed by ...

Senior Full Stack Engineer WhoSampled

Every great song has a story behind it: a sample flipped into something new, a melody borrowed and reborn, a classic reinterpreted for a new generation. WhoSampled is where those stories live.WhoSampled is the world's leading database of music samples, interpolations, cover songs, and remixes. Buil ...

Applications Support Manager Vice President

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build ...

Data Engineer (Forward Deployed) New London

Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities ...

Principal Data Engineer

At Places for People, we hire People, not numbers! So, if you like the sound of one of our jobs, please apply - you could be just who we're looking for! Of course, experience and track record are important, but we're more interested in hiring someone that embodies our People Promises. That's someone ...

Machine Learning Engineer

About the Role As a Machine Learning Engineer at BJSS, you’ll collaborate with some of the brightest and best in the industry as part of multi-disciplinary teams. You’ll work in a fast moving, agile environment and will be involved in implementing machine learning algorithms, building production Machin ...

Senior Hosting Architect — Multi Cloud & Secure Networking

Comgent is looking for a Senior Network Hosting Architect in the City Of London, UK. This role involves leading the architecture of secure, scalable hosting platforms, with a focus on cloud connectivity and regulated environments. Candidates should have 8–12 years of experience along with a deep understanding of ...

Conversational AI Engineer

We are looking for a Level 1 Conversational AI Engineer to join our growing team at loveholidays, a company on a mission to make travel accessible and seamless for everyone. You will work on AI-powered agents that help customers find and manage their perfect getaway. About The Team The Co ...

Data Analyst (Tech Insurance Operations)

Data Analyst (Tech Insurance Operations)Role OverviewWe are seeking a highly analytical and technically capable Data Analyst to support the development of a data-driven claims function. This role will report directly to the Head of Claims and will work closely with TPAs, and Vave’s ...

Data Analyst (Tech Insurance Operations)

Data Analyst (Tech Insurance Operations)Role OverviewWe are seeking a highly analytical and technically capable Data Analyst to support the development of a data-driven claims function. This role will report directly to the Head of Claims and will work closely with TPAs, and Vave’s ...

Expert Associate Partner – Enterprise Data Architect

We are proud to be consistently recognized as one of the world’s best places to work. We are currently the top-ranked consulting firm on Glassdoor’s Best Places to Work list and have earned the #1 overall spot a record seven times. Extraordinary teams are at the heart of our business strategy, but these do ...

Trust Lead for ITEDV/2026/LGAT/15269

Lincolnshire Gateway Academies Trust Trust Lead for IT Full Time - Permanent 37 hours per week SMG 20 £64,130.00 - SMG 24 £71,453.00 Location: Lincolnshire Gateway Academies Trust with regular travel to trust sites required. We are seeking a visionary, solution-foc ...

Azure Cloud Architect

Join Nordcloud, an IBM Company and be part of the European cloud revolution. We supercharge our customers to innovate in hyperscaler cloud, enabling seamless migration, advanced security, and data-driven success. Currently, we are looking for an Azure Cloud Architect for our team in the UK. ...

Senior Python Engineer for AI Model Evaluation

Prolific is searching for Senior Python Developers to join their Expert Network, assisting in AI training and evaluation. Candidates should have a strong background in Software Engineering and be proficient in Python. The role involves reviewing and testing AI-generated code, ensuring logic accuracy, a ...

Senior Quantum Applications Engineer

Job Search Place Limited is seeking a Senior Application Developer to join their UK Customer Solutions team. The successful candidate will develop applications using D-Wave's advanced quantum systems and work with algorithms to optimize performance, primarily utilizing Python. The ideal candidate shoul ...

Senior Quantum Applications Developer

Clutch Canada is seeking a Senior Application Developer to join their UK Customer Solutions team. The role focuses on delivering applications for customers using D-Wave’s advanced quantum systems. You will develop algorithms to solve complex problems, optimize performance primarily in Python, and collaborate ...

Data and Technology Graduate

About the role This two-year programme provides the opportunity to develop hands-on capability across NHBC's digital landscape, gaining experience in data, systems, innovation, development and digital security. The role supports NHBC's ambition to embed data, analytics and technology into everyday decision ma ...

PL/SQL Developer

Capgemini Northampton, England, United Kingdom PL/SQL Developer Capgemini Northampton, England, United Kingdom 1 week ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Choosing Capgemini means choosing a company where you w ...

Senior Java Developer

Location: UK (Hybrid / Onsite as required)Experience: 5+ yearsRole Type: Fixed Term ContractOverviewWe are developing a scalable Data Fabric platform that ingests, transform ...

Senior Data Engineer

Sword is a leading provider of business technology solutions within the Energy, Public and Finance Sectors, dedicated to driving transformational change for our clients. We leverage proven technology, specialist teams, and extensive domain expertise to create robust technical foundations across platfor ...

Senior Data Engineer

Sword is a leading provider of business technology solutions within the Energy, Public and Finance Sectors, dedicated to driving transformational change for our clients. We leverage proven technology, specialist teams, and extensive domain expertise to create robust technical foundations across platforms, dat ...

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    Lead Python Developer Cloud Fastapi Data Platforms Jobs in United Kingdom Job Search Guide, Trends and Insights