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11 Contract API jobs in West Sussex + 20 miles
465 exact matches jobs are outside your preferred location
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Senior Backend Engineer - London - Hybrid (1x day a week) Salary: Up to £80k DOE - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focused Senior engineer looking to start an ambitious business. The Role - We're looking for a Backend Engineer with strong Python skills and experience building scalable cloud-based microservices, ideally with FastAPI. You'll work in a cross-functional team delivering reliable, performant services that power our core insurance platform. What You'll Do * Design, build, and maintain Python microservices (FastAPI) in production * Own features end-to-end: design, build, test, deploy, monit
Senior Backend Engineer - London - Hybrid (1x day a week) Salary: Up to £80k DOE - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focused Senior engineer looking to start an ambitious business. The Role - We're looking for a Backend Engineer with strong Python skills and experience building scalable cloud-based microservices, ideally with FastAPI. You'll work in a cross-functional team delivering reliable, performant services that power our core insurance platform. What You'll Do * Design, build, and maintain Python microservices (FastAPI) in production * Own features end-to-end: design, build, test, deploy, monit
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DevOps/Automation Engineer?? Location: Central London (On-Site - 5 Days/Week)?? Rate: Up to £600 per day (Inside IR35)?? Contract Type: Contract?? Start Date: ASAP?? Duration: 6 months - We're looking for a skilled DevOps/Automation Engineer with strong experience in storage automation to join a high-performing infrastructure team within a major enterprise environment in Central London. This is a hands-on role focused on building automated workflows, implementing Infrastructure-as-Code (IaC), and delivering end-to-end storage provisioning, monitoring, and policy enforcement solutions. * Design, develop, and maintain automated workflows for storage provisioning and deprovisioning. * Implement policy enforcement mechanisms for storage utilisation, access, and compliance. * Build and maintain CI/CD pipelines for storage infrastructure configuration and deployment.
DevOps/Automation Engineer?? Location: Central London (On-Site - 5 Days/Week)?? Rate: Up to £600 per day (Inside IR35)?? Contract Type: Contract?? Start Date: ASAP?? Duration: 6 months - We're looking for a skilled DevOps/Automation Engineer with strong experience in storage automation to join a high-performing infrastructure team within a major enterprise environment in Central London. This is a hands-on role focused on building automated workflows, implementing Infrastructure-as-Code (IaC), and delivering end-to-end storage provisioning, monitoring, and policy enforcement solutions. * Design, develop, and maintain automated workflows for storage provisioning and deprovisioning. * Implement policy enforcement mechanisms for storage utilisation, access, and compliance. * Build and maintain CI/CD pipelines for storage infrastructure configuration and deployment.
FEATURED
London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
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Permanent - Location: Home Based - Salary: £80,000 - £90,000 (+ benefits) Skills: M365 - SharePoint Online, Power Apps, Power Automate, Teams. SC Clearance - We are looking to recruit an SC Cleared Lead Microsoft 365 Consultant for a leading technology consultancy. You will lead the design, delivery, and evolution of modern workplace solutions across a wide range of public sector engagements. You will take ownership of complex M365 initiatives-guiding technical direction, mentoring delivery teams, and driving innovation across platforms such as SharePoint, Power Platform, Teams, Viva, and related Azure services. This is an ideal opportunity for a senior Microsoft 365 specialist looking to take a strategic role, influence technical direction, and grow capability in a high-performing consultancy environment.
Permanent - Location: Home Based - Salary: £80,000 - £90,000 (+ benefits) Skills: M365 - SharePoint Online, Power Apps, Power Automate, Teams. SC Clearance - We are looking to recruit an SC Cleared Lead Microsoft 365 Consultant for a leading technology consultancy. You will lead the design, delivery, and evolution of modern workplace solutions across a wide range of public sector engagements. You will take ownership of complex M365 initiatives-guiding technical direction, mentoring delivery teams, and driving innovation across platforms such as SharePoint, Power Platform, Teams, Viva, and related Azure services. This is an ideal opportunity for a senior Microsoft 365 specialist looking to take a strategic role, influence technical direction, and grow capability in a high-performing consultancy environment.
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Product Manager - Post Trade
Product Manager - Post Trade
SG Technology
EC1A, City of London
£90,000 per annum Plus Bonus & Benefits
My client, a leading global investment bank, is seeking an experienced Product Manager to - position technology as a strategic asset and to shape how a growing product organisation - supports worldwide business growth. Reporting to the Lead Product Manager for Investments, the successful candidate will own the alignment and product development of the banks - investment-operations proposition, covering custody, IBOR, ABOR, trade capture, dealing and - settlements across multiple asset classes. Working within a long-standing Agile team, the - Product Manager will integrate and modernise critical post-trade platforms, delivering innovative, scalable solutions while cultivating a strong partnership between technology and the global - business. Key Responsibilities * Serve as subject-matter expert for engineering teams and third-party vendors, ensuringclarity around delive
My client, a leading global investment bank, is seeking an experienced Product Manager to - position technology as a strategic asset and to shape how a growing product organisation - supports worldwide business growth. Reporting to the Lead Product Manager for Investments, the successful candidate will own the alignment and product development of the banks - investment-operations proposition, covering custody, IBOR, ABOR, trade capture, dealing and - settlements across multiple asset classes. Working within a long-standing Agile team, the - Product Manager will integrate and modernise critical post-trade platforms, delivering innovative, scalable solutions while cultivating a strong partnership between technology and the global - business. Key Responsibilities * Serve as subject-matter expert for engineering teams and third-party vendors, ensuringclarity around delive
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Are you a skilled Business Analyst with eCommerce experience looking to make a real impact? Want to work with big-name fashion, luxury, and homeware brands on cutting-edge digital projects? This leading London-based digital agency is growing fast and theyre looking for a talented Business Analyst to join their collaborative and forward-thinking team. This is your opportunity to shape the future of award-winning eCommerce websites. What Youll Be Doing - As a Business Analyst, youll help deliver high-performing eCommerce platforms by working across the full project lifecycle. Youll work alongside Project Managers, developers, designers, and Senior Business Analysts to define and deliver solutions that delight clients. * Gathering and refining client business requirements * Translating briefs into user stories with clear acceptance criteria
Are you a skilled Business Analyst with eCommerce experience looking to make a real impact? Want to work with big-name fashion, luxury, and homeware brands on cutting-edge digital projects? This leading London-based digital agency is growing fast and theyre looking for a talented Business Analyst to join their collaborative and forward-thinking team. This is your opportunity to shape the future of award-winning eCommerce websites. What Youll Be Doing - As a Business Analyst, youll help deliver high-performing eCommerce platforms by working across the full project lifecycle. Youll work alongside Project Managers, developers, designers, and Senior Business Analysts to define and deliver solutions that delight clients. * Gathering and refining client business requirements * Translating briefs into user stories with clear acceptance criteria
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Contract Golang Engineer AI for Defence £700800/day | Inside IR35 | Hybrid / Secure Site | SC/DV Cleared | UK Nationals Only - Initial 3-month contract (extensions expected up to 12 months) Join a ground-breaking AI programme delivering national security impact. Were working with a leading UK AI firm on a mission-critical Defence deployment. This greenfield build calls for a Golang specialist to help deliver backend systems that support real-time inference, transcription pipelines, and natural language interaction all under tight performance and security constraints. * Build high-performance services using Golang in secure environments * Develop ingestion and processing pipelines for transcription and structured/unstructured data * Contribute to intelligent data flows including graph-based and RAG inference pipelines
Contract Golang Engineer AI for Defence £700800/day | Inside IR35 | Hybrid / Secure Site | SC/DV Cleared | UK Nationals Only - Initial 3-month contract (extensions expected up to 12 months) Join a ground-breaking AI programme delivering national security impact. Were working with a leading UK AI firm on a mission-critical Defence deployment. This greenfield build calls for a Golang specialist to help deliver backend systems that support real-time inference, transcription pipelines, and natural language interaction all under tight performance and security constraints. * Build high-performance services using Golang in secure environments * Develop ingestion and processing pipelines for transcription and structured/unstructured data * Contribute to intelligent data flows including graph-based and RAG inference pipelines
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Location: London / Hybrid (2 days in the office, 3 days from home) Salary: £55,000 - £65,000 - A Guidewire developer is required for a leading Lloyd's of London Insurance organisation, implementing a Guidewire Claims system. This is to join a brand-new team onboarding and implementing a Guidewire Claims system. You will have experience working with Guidewire, across either PolicyCenter BillingCenter or ClaimsCenter. As this is an initial migration and implementation you will be essential in assisting the organisation migrate from their existing claims platform to Claims Center which will be hosted in Guidewires Cloud. Ability to interact with stakeholders and to be involved in decisions affecting the implementation due to go live in 2026 is essential. You will have experience customising Guidewire in Gosu.
Location: London / Hybrid (2 days in the office, 3 days from home) Salary: £55,000 - £65,000 - A Guidewire developer is required for a leading Lloyd's of London Insurance organisation, implementing a Guidewire Claims system. This is to join a brand-new team onboarding and implementing a Guidewire Claims system. You will have experience working with Guidewire, across either PolicyCenter BillingCenter or ClaimsCenter. As this is an initial migration and implementation you will be essential in assisting the organisation migrate from their existing claims platform to Claims Center which will be hosted in Guidewires Cloud. Ability to interact with stakeholders and to be involved in decisions affecting the implementation due to go live in 2026 is essential. You will have experience customising Guidewire in Gosu.
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Senior Data Engineer
Senior Data Engineer
Anson Mccade
WC1, Central London, W C1R
GBP 65,000.00 - 70,000.00 per year;GBP 57,000.00 per year;GBP 64,000.0
£65,000 - 70,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent £57,000 - £64,000 (London up to £70,000) + Excellent Benefits - Hybrid / UK-Wide Locations - A respected digital consultancy is on the lookout for a Senior Data Engineer to join its growing data practice. This is a brilliant opportunity to be part of a human-focused, tech-forward environment that delivers bespoke data solutions for clients in both the public and private sectors. Senior Engineers here don't just write code-they shape outcomes. You'll join a collaborative, agile team that values technical excellence, continuous improvement, and inclusive delivery. The consultancy is known for combining engineering, data and user-centred design to build impactful platforms that matter. In this role, you'll take the lead in crafting data pipelines, designing c
£65,000 - 70,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent £57,000 - £64,000 (London up to £70,000) + Excellent Benefits - Hybrid / UK-Wide Locations - A respected digital consultancy is on the lookout for a Senior Data Engineer to join its growing data practice. This is a brilliant opportunity to be part of a human-focused, tech-forward environment that delivers bespoke data solutions for clients in both the public and private sectors. Senior Engineers here don't just write code-they shape outcomes. You'll join a collaborative, agile team that values technical excellence, continuous improvement, and inclusive delivery. The consultancy is known for combining engineering, data and user-centred design to build impactful platforms that matter. In this role, you'll take the lead in crafting data pipelines, designing c
PREMIUM
Front-End Engineer (Contract) Secure AI Systems for Defence - Contract | Inside IR35 | £600£700/day | Hybrid / Secure Site | SC/DV Cleared | UK Nationals Only - Contract Length: Initial 3-month engagement (rolling), part of a 69 month roadmap - Were supporting a cutting-edge AI organisation delivering a government-funded mission into the Defence sector. Theyre seeking a talented Front-End Engineer to help build and iterate on user interfaces that bring complex machine learning outputs to life - transcription analysis, graph-based risk models, and natural-language interfaces for end users in secure, disconnected environments. This is not your typical dashboard gig. Its a chance to design and build offline-first, insight-rich tools that support real-world decision-makingwhere clarity and usability can have operational consequences. o Live and retrospective transcription
Front-End Engineer (Contract) Secure AI Systems for Defence - Contract | Inside IR35 | £600£700/day | Hybrid / Secure Site | SC/DV Cleared | UK Nationals Only - Contract Length: Initial 3-month engagement (rolling), part of a 69 month roadmap - Were supporting a cutting-edge AI organisation delivering a government-funded mission into the Defence sector. Theyre seeking a talented Front-End Engineer to help build and iterate on user interfaces that bring complex machine learning outputs to life - transcription analysis, graph-based risk models, and natural-language interfaces for end users in secure, disconnected environments. This is not your typical dashboard gig. Its a chance to design and build offline-first, insight-rich tools that support real-world decision-makingwhere clarity and usability can have operational consequences. o Live and retrospective transcription
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Robert Half Technology are assisting a market leading financial services (fintech) organisation to recruit a AI Engineer on a contract basis - Hybrid working - London based - The AI Engineer will join a cross-functional data team to design, develop, and deploy AI/ML models that tackle real business problems - from prediction and automation to customer personalisation and decision intelligence. You'll play a hands-on role in taking models from concept to production and shaping best practices across the AI lifecycle. Role * The AI Engineer will build and deploy scalable machine learning models in a cloud-native environment (AWS, GCP or Azure) * Collaborate with data engineers, analysts, and product teams to translate business needs into AI-driven solutions * Contribute to the development of data pipelines and feature engineering workflows
Robert Half Technology are assisting a market leading financial services (fintech) organisation to recruit a AI Engineer on a contract basis - Hybrid working - London based - The AI Engineer will join a cross-functional data team to design, develop, and deploy AI/ML models that tackle real business problems - from prediction and automation to customer personalisation and decision intelligence. You'll play a hands-on role in taking models from concept to production and shaping best practices across the AI lifecycle. Role * The AI Engineer will build and deploy scalable machine learning models in a cloud-native environment (AWS, GCP or Azure) * Collaborate with data engineers, analysts, and product teams to translate business needs into AI-driven solutions * Contribute to the development of data pipelines and feature engineering workflows
My client is looking for a talentedMagento Developerwith strong backend experience to join their dynamic dev team. If you enjoy building custom ecommerce solutions, integrating complex systems, and collaborating in a supportive tech environment, this could be the role for you. This role is predominately remote, although the team meet up onsite once a month near Farringdon. There is no specific requirement to attend every month, however some flexibility would be beneficial. The Role - Youll be responsible for delivering tailored features and functionality across a variety of ecommerce projects. * Developing and maintaining bespoke Magento functionality. * Working with the development team to ensure new code aligns with the Magento framework and delivers great performance. * Reviewing code, pull requests, and supporting peer development.
My client is looking for a talentedMagento Developerwith strong backend experience to join their dynamic dev team. If you enjoy building custom ecommerce solutions, integrating complex systems, and collaborating in a supportive tech environment, this could be the role for you. This role is predominately remote, although the team meet up onsite once a month near Farringdon. There is no specific requirement to attend every month, however some flexibility would be beneficial. The Role - Youll be responsible for delivering tailored features and functionality across a variety of ecommerce projects. * Developing and maintaining bespoke Magento functionality. * Working with the development team to ensure new code aligns with the Magento framework and delivers great performance. * Reviewing code, pull requests, and supporting peer development.
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Programming in Azure / Microsoft capable languages, such as ARM / Bicep, PowerShell, yaml, Python and a understanding of Azure API's from the data plane
Programming in Azure / Microsoft capable languages, such as ARM / Bicep, PowerShell, yaml, Python and a understanding of Azure API's from the data plane
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Senior Security Engineer (PurView, Sentinel, Defender)
Senior Security Engineer (PurView, Sentinel, Defender)
Invitise Ltd
WC1A, Central London
Up to £70,000 per annum + Excellent Benefits
PowerShell scripting and use of Microsoft Graph API
PowerShell scripting and use of Microsoft Graph API
NEW
PowerShell scripting and use of Microsoft Graph API
PowerShell scripting and use of Microsoft Graph API
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Staff Back End Engineer
Staff Back End Engineer
John Lewis & Partners
SW1V, South West London, SW1V 2QQ
From £75,000 to £92,000 per annum
REST API development and/or consumption.
REST API development and/or consumption.
NEW
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Excellent API testing experience using Postman, IntelliJ Http Client, or similar tools.
Excellent API testing experience using Postman, IntelliJ Http Client, or similar tools.
PREMIUM
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
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Be the go-to technical authority for the backend API, from architecture through to delivery. Ensure our API meets the needs of both our smallest and largest enterprise clients.
Be the go-to technical authority for the backend API, from architecture through to delivery. Ensure our API meets the needs of both our smallest and largest enterprise clients.
We are now looking for a Technical Product Marketing Manager to lead go-to-market (GTM) strategies for our API product. You'll work at the intersection of product, marketing, sales, and customer success to drive adoption, awareness, and customer understanding of our API innovations and roadmap. * Own GTM strategy for new API product features and launches, from positioning and messaging to enablement and campaign planning * 8 years of experience in product marketing, ideally with developer tools or API-based products
We are now looking for a Technical Product Marketing Manager to lead go-to-market (GTM) strategies for our API product. You'll work at the intersection of product, marketing, sales, and customer success to drive adoption, awareness, and customer understanding of our API innovations and roadmap. * Own GTM strategy for new API product features and launches, from positioning and messaging to enablement and campaign planning * 8 years of experience in product marketing, ideally with developer tools or API-based products
Work closely with internal teams to maintain and expand our Developer Portal, SDKs, public API resources.
Work closely with internal teams to maintain and expand our Developer Portal, SDKs, public API resources.
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API Development and Management: You'll be responsible for building, securing, and monitoring APIs that are reliable and scalable
API Development and Management: You'll be responsible for building, securing, and monitoring APIs that are reliable and scalable
Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
London, UK - About Us at GoCardless - GoCardless is a global bank payment company. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect and send payments through direct debit, real-time payments and open banking. GoCardless processes US$130bn+ of payments annually, across 30+ countries; helping customers collect and send both recurring and one-off payments, without the chasing, stress or expensive fees. We use AI-powered solutions to improve payment success and reduce fraud. And, with open banking connectivity to over 2,500 banks, we help our customers make faster, more informed decisions. We are headquartered in the UK, with additional offices in Australia, France, Ireland, Latvia, Portugal and the United States. At GoCardless, we're all about supporting you! We're committed to making our hiring process inclusive and accessible.
London, UK - About Us at GoCardless - GoCardless is a global bank payment company. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect and send payments through direct debit, real-time payments and open banking. GoCardless processes US$130bn+ of payments annually, across 30+ countries; helping customers collect and send both recurring and one-off payments, without the chasing, stress or expensive fees. We use AI-powered solutions to improve payment success and reduce fraud. And, with open banking connectivity to over 2,500 banks, we help our customers make faster, more informed decisions. We are headquartered in the UK, with additional offices in Australia, France, Ireland, Latvia, Portugal and the United States. At GoCardless, we're all about supporting you! We're committed to making our hiring process inclusive and accessible.
At BNY, our culture empowers you to grow and succeed. As a leading global financial services company at the center of the worlds financial system we touch nearly 20% of the worlds investible assets. Every day around the globe, our 50,000+ employees bring the power of their perspective to the table to create solutions with our clients that benefit businesses, communities and people everywhere. We continue to be a leader in the industry, awarded as a top home for innovators and for creating an inclusive workplace. Through our unique ideas and talents, together we help make money work for the world. This is what #LifeAtBNY is all about. Were seeking a future team member for the role of Business Analyst to join our Trustee & Depositary team. This role is located in London - Hybrid (4 days in office).
At BNY, our culture empowers you to grow and succeed. As a leading global financial services company at the center of the worlds financial system we touch nearly 20% of the worlds investible assets. Every day around the globe, our 50,000+ employees bring the power of their perspective to the table to create solutions with our clients that benefit businesses, communities and people everywhere. We continue to be a leader in the industry, awarded as a top home for innovators and for creating an inclusive workplace. Through our unique ideas and talents, together we help make money work for the world. This is what #LifeAtBNY is all about. Were seeking a future team member for the role of Business Analyst to join our Trustee & Depositary team. This role is located in London - Hybrid (4 days in office).