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17 Contract API jobs in Gospel Oak, North West London + 20 miles
85 exact matches jobs are outside your preferred location
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Strong application security background (OWASP Top 10, API security).
Strong application security background (OWASP Top 10, API security).
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API analysis and design
API analysis and design
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Job title: Lead Integration Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role As a Lead Integration Developer, you will be responsible for designing, developing, and maintaining integration solutions across various platforms, including Guidewire InsuranceSuite and other core systems. You will lead a team of developers, collaborate with stakeholders, and ensure the delivery of integration projects that meet business and technical requirements. What will you do? * Lead the design and implementation of integration solutions using APIs, web services, and messaging systems. * Collaborate with business analysts and architects to define integration requirements and strategies. * Develop and maintain integration components using technologies such as Java, REST/JSON, XML, and Enterprise Messaging Systems.
Job title: Lead Integration Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role As a Lead Integration Developer, you will be responsible for designing, developing, and maintaining integration solutions across various platforms, including Guidewire InsuranceSuite and other core systems. You will lead a team of developers, collaborate with stakeholders, and ensure the delivery of integration projects that meet business and technical requirements. What will you do? * Lead the design and implementation of integration solutions using APIs, web services, and messaging systems. * Collaborate with business analysts and architects to define integration requirements and strategies. * Develop and maintain integration components using technologies such as Java, REST/JSON, XML, and Enterprise Messaging Systems.
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Position: AI Engineer / AI Agent / Backend AI Engineer - Location: Remote - Work Type: Contract - We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Work on cutting-edge AI innovation * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk
Position: AI Engineer / AI Agent / Backend AI Engineer - Location: Remote - Work Type: Contract - We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Work on cutting-edge AI innovation * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk
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S/4 HANA Public Cloud Solution Architect
S/4 HANA Public Cloud Solution Architect
Stott & May Professional Search Limited
London
£650 - £750 per day
A leading consultancy are looking for an S/4 HANA Public Cloud Solution Architect for a long term engagement. As the S/4 HANA Public Cloud Solution Architect you will be working within the Architecture team to provide Architect services to the organisation's member across the world. Roles & Responsibilities * Analyse business requirements: Work with stakeholders to define and align business objectives with cloud migration goals. Act as a bridge between the business problem and the technical solution. * Design the solution architecture: Create a high-level technical blueprint, or solution architecture, to meet customer needs. This includes defining components and how data will flow between systems. * Plan for extensibility and integration: Design extensions and integrations using the SAP Business Technology Platform (SAP BTP) and APIs.
A leading consultancy are looking for an S/4 HANA Public Cloud Solution Architect for a long term engagement. As the S/4 HANA Public Cloud Solution Architect you will be working within the Architecture team to provide Architect services to the organisation's member across the world. Roles & Responsibilities * Analyse business requirements: Work with stakeholders to define and align business objectives with cloud migration goals. Act as a bridge between the business problem and the technical solution. * Design the solution architecture: Create a high-level technical blueprint, or solution architecture, to meet customer needs. This includes defining components and how data will flow between systems. * Plan for extensibility and integration: Design extensions and integrations using the SAP Business Technology Platform (SAP BTP) and APIs.
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Job title: Digital Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role You will be responsible for building and customizing digital experiences. This role is ideal for developers who are enthusiastic about modern web technologies, insurance transformation, and agile delivery. What will you do? * Develop and customize digital insurance applications using Guidewire JDP, React.js, and Figma-integrated design systems. In some cases, development may be custom built, using common front-end frameworks like React.js, Angular, or Vue.js. * Build and maintain reusable components and micro frontends for Guidewires CustomerEngage and EnterpriseEngage portals, as well as other custom or third-party digital platforms. * Integrate digital frontends with Guidewire PolicyCenter, BillingCenter, and ClaimCenter via Cloud APIs and GW Integration Gateway.
Job title: Digital Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role You will be responsible for building and customizing digital experiences. This role is ideal for developers who are enthusiastic about modern web technologies, insurance transformation, and agile delivery. What will you do? * Develop and customize digital insurance applications using Guidewire JDP, React.js, and Figma-integrated design systems. In some cases, development may be custom built, using common front-end frameworks like React.js, Angular, or Vue.js. * Build and maintain reusable components and micro frontends for Guidewires CustomerEngage and EnterpriseEngage portals, as well as other custom or third-party digital platforms. * Integrate digital frontends with Guidewire PolicyCenter, BillingCenter, and ClaimCenter via Cloud APIs and GW Integration Gateway.
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Senior Technical Business Analyst
Senior Technical Business Analyst
Hays
London
£650.0 - £800.0 per annum + £700 - £750/day inside via Umbrella
Your new company - We are currently partnered exclusively with a financial services institution to appoint a Senior Technical Business Analyst to an initial 6-month contract. Working in the Listed Derivatives area of the business, if you're an experienced technical BA with a strong understanding of US Treasury and interest rate futures/futures as a whole, then we want to hear from you. Contract Length: 6-months + potential extension - Start Date: ASAP - Rate: £700 - £750/day inside via Umbrella - Working Arrangements: Hybrid - Your new role and what you'll need to succeed - Working closely with IT, development, and the operations test team, your role as the Senior Technical BA will act as the bridge between IT and the business, translating business needs into technical requirements and ensuring aligned communication across complex technical projects.
Your new company - We are currently partnered exclusively with a financial services institution to appoint a Senior Technical Business Analyst to an initial 6-month contract. Working in the Listed Derivatives area of the business, if you're an experienced technical BA with a strong understanding of US Treasury and interest rate futures/futures as a whole, then we want to hear from you. Contract Length: 6-months + potential extension - Start Date: ASAP - Rate: £700 - £750/day inside via Umbrella - Working Arrangements: Hybrid - Your new role and what you'll need to succeed - Working closely with IT, development, and the operations test team, your role as the Senior Technical BA will act as the bridge between IT and the business, translating business needs into technical requirements and ensuring aligned communication across complex technical projects.
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Role/Job title - Work Location - TCS-Reading - Role type - Permanent/Fixed Term/ Contracting - Contract - Mode of working Hybrid /office based - Hybrid - If Hybrid, how many days are required in office? 3 - Number of positions - 1 - Duration of assignment - 06 Months - Any other working conditions - travel/on call/shifts - To be published on job boards from below onwards - The Role - Were looking for Security Consultant / Senior Security Consultant with expertise in penetration testing. As part of our Cyber Security team, you shall perform penetration testing which includes internet, intranet, wireless, web application, social engineering and physical penetration testing. You shall also perform in-depth analysis of penetration testing results and create report that describes findings, exploitation procedures, risks and recommendations. Your responsibilities:(Up to 10,
Role/Job title - Work Location - TCS-Reading - Role type - Permanent/Fixed Term/ Contracting - Contract - Mode of working Hybrid /office based - Hybrid - If Hybrid, how many days are required in office? 3 - Number of positions - 1 - Duration of assignment - 06 Months - Any other working conditions - travel/on call/shifts - To be published on job boards from below onwards - The Role - Were looking for Security Consultant / Senior Security Consultant with expertise in penetration testing. As part of our Cyber Security team, you shall perform penetration testing which includes internet, intranet, wireless, web application, social engineering and physical penetration testing. You shall also perform in-depth analysis of penetration testing results and create report that describes findings, exploitation procedures, risks and recommendations. Your responsibilities:(Up to 10,
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Architect and design enterprise-level integration solutions, defining API-led connectivity, patterns, and specifications. * Proven expertise in MuleSoft Anypoint Platform (including Anypoint Studio, Flow Design, and API Manager). * Strong knowledge of API-led connectivity and integration patterns (REST, SOAP).
Architect and design enterprise-level integration solutions, defining API-led connectivity, patterns, and specifications. * Proven expertise in MuleSoft Anypoint Platform (including Anypoint Studio, Flow Design, and API Manager). * Strong knowledge of API-led connectivity and integration patterns (REST, SOAP).
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Apply DevOps concepts and use Azure ADB2C and cloud services (API management, App Service, Azure configurations).
Apply DevOps concepts and use Azure ADB2C and cloud services (API management, App Service, Azure configurations).
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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
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Want to accelerate your career? Electrify your potential as a Technical Product Manager and join the fastest growing motorsport on the planet! Formula E, the world's fastest-growing sport, is redefining motorsport with a bold focus on innovation and sustainability. Hosting over 100 races in iconic cities globally and backed by top manufacturers like Porsche, and Jaguar, we feature elite drivers and cutting-edge EV technology. As the world's first sport certified Net Zero Carbon from inception, Formula E combines thrilling entertainment with a mission to advance sustainable progress, inspiring a global fanbase with our high-performance brand new GEN3 EVO race car capable of 0-60mph in 1.82 seconds (0-100kph in 1.86s). Using the spectacle of sport, we are sending a powerful and meaningful message to help alter perceptions and speed-up the switch to electric mobility.
Want to accelerate your career? Electrify your potential as a Technical Product Manager and join the fastest growing motorsport on the planet! Formula E, the world's fastest-growing sport, is redefining motorsport with a bold focus on innovation and sustainability. Hosting over 100 races in iconic cities globally and backed by top manufacturers like Porsche, and Jaguar, we feature elite drivers and cutting-edge EV technology. As the world's first sport certified Net Zero Carbon from inception, Formula E combines thrilling entertainment with a mission to advance sustainable progress, inspiring a global fanbase with our high-performance brand new GEN3 EVO race car capable of 0-60mph in 1.82 seconds (0-100kph in 1.86s). Using the spectacle of sport, we are sending a powerful and meaningful message to help alter perceptions and speed-up the switch to electric mobility.
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Develop positioning and messaging that translates technical capabilities (API, RAG, MCP) into compelling value propositions for enterprise buyers
Develop positioning and messaging that translates technical capabilities (API, RAG, MCP) into compelling value propositions for enterprise buyers
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Please note: This is an advisory role - we are not looking for data scientists, engineers, or product delivery leads. You will advise on the how of AI implementation, not build it yourself. Applicants must have prior experience in a consulting, technology strategy, or innovation advisory environment. Eligibility: You must have the right to work in the UK. The Opportunity - We are looking for an experienced AI Technologist to join our growing AI Practice at This Place. You will work at the intersection of technology, strategy, and creativity, helping some of the worlds best-known brands understand where AI can deliver value and what it takes to make it real inside their business. This is not a delivery or engineering role. Instead, you will be a connector - someone who bridges technical depth with strategic vision.
Please note: This is an advisory role - we are not looking for data scientists, engineers, or product delivery leads. You will advise on the how of AI implementation, not build it yourself. Applicants must have prior experience in a consulting, technology strategy, or innovation advisory environment. Eligibility: You must have the right to work in the UK. The Opportunity - We are looking for an experienced AI Technologist to join our growing AI Practice at This Place. You will work at the intersection of technology, strategy, and creativity, helping some of the worlds best-known brands understand where AI can deliver value and what it takes to make it real inside their business. This is not a delivery or engineering role. Instead, you will be a connector - someone who bridges technical depth with strategic vision.
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Are you experienced building and designing event driven applications with Typescript, DynamoDB, AWS Lambda, AWS API Gateway? At the moment were working on subscription management and API integrations.
Are you experienced building and designing event driven applications with Typescript, DynamoDB, AWS Lambda, AWS API Gateway? At the moment were working on subscription management and API integrations.
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Familiarity with RESTful APIs, data models, and API integration.
Familiarity with RESTful APIs, data models, and API integration.
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SharePoint CSOM API
SharePoint CSOM API
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3+ years of full-time work experience in API development.
3+ years of full-time work experience in API development.
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Knowledge of Python, C#, or TypeScript for API integration and automation.
Knowledge of Python, C#, or TypeScript for API integration and automation.
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Expertise in open loop and closed loop secure payment systems (Mastercard, Outseer 3DS, etc) as well as the relative regulations in identity e.g FAPI Standards (Financial-grade API). * Proven track record of delivering API-driven, cloud-based identity and payment services at scale.
Expertise in open loop and closed loop secure payment systems (Mastercard, Outseer 3DS, etc) as well as the relative regulations in identity e.g FAPI Standards (Financial-grade API). * Proven track record of delivering API-driven, cloud-based identity and payment services at scale.
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Senior Site Reliability Engineer, Managed Kubernetes - Europe
Senior Site Reliability Engineer, Managed Kubernetes - Europe
Lambda Group Limited
London
£161,000 - £310,000 a year
Proven experience provisioning Kubernetes using tools such as kubeadm, Cluster API, or similar
Proven experience provisioning Kubernetes using tools such as kubeadm, Cluster API, or similar
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The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API. o Hands-on experience with APIs , including designing, integrating, and managing third-party or internal API solutions to support compliance and onboarding workflows
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API. o Hands-on experience with APIs , including designing, integrating, and managing third-party or internal API solutions to support compliance and onboarding workflows
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We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
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AWS API Gateway
AWS API Gateway
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