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- Southwark
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103 Contract API jobs in Gilwell Park + 20 miles
612 exact matches jobs are outside your preferred location
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Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
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Automated end-to-end and API testing tools and techniques
Automated end-to-end and API testing tools and techniques
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Collaborate with backend teams on API integration and implementation - Experience with state management solutions (Context API)
Collaborate with backend teams on API integration and implementation - Experience with state management solutions (Context API)
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The Digital Engineering team is responsible for providing unified digital experience to our clients that interact with Transaction Banking products via different interfaces such as Banking as a Service API, client portal, Files and SWIFT network. * Experience with Microservice architectures and REST API * Open API Familiarity with experience in building external API using REST and Webhooks
The Digital Engineering team is responsible for providing unified digital experience to our clients that interact with Transaction Banking products via different interfaces such as Banking as a Service API, client portal, Files and SWIFT network. * Experience with Microservice architectures and REST API * Open API Familiarity with experience in building external API using REST and Webhooks
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Cloud Security: Strong knowledge of AWS and Azure, especially services like WAF, Shield, IAM, and API Gateway
Cloud Security: Strong knowledge of AWS and Azure, especially services like WAF, Shield, IAM, and API Gateway
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Experience in API development on cloud based infrastructures * Experience with the full web stack, SOAP, and REST API technologies and architectures
Experience in API development on cloud based infrastructures * Experience with the full web stack, SOAP, and REST API technologies and architectures
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Solid understanding of networking concepts, security policies, and API gateways in cloud environments. * Building SDKs or client libraries to support API consumption.
Solid understanding of networking concepts, security policies, and API gateways in cloud environments. * Building SDKs or client libraries to support API consumption.
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Show technical leadership, by identifying best practices for API integration and assisting customers with their implementation
Show technical leadership, by identifying best practices for API integration and assisting customers with their implementation
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API Development and Management: Develop, deploy, and maintain custom APIs (REST, SOAP) to facilitate seamless data exchange and action execution between Agentforce and other systems. * 5+ years of hands-on experience in a technical integration role, such as an Integration Developer or API Specialist. * Expertise in API design and development (REST, SOAP, webhooks).
API Development and Management: Develop, deploy, and maintain custom APIs (REST, SOAP) to facilitate seamless data exchange and action execution between Agentforce and other systems. * 5+ years of hands-on experience in a technical integration role, such as an Integration Developer or API Specialist. * Expertise in API design and development (REST, SOAP, webhooks).
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In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
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Support an API-FIRST Analytics business strategy to design and build SaaS and PaaS solutions, including analytics data solutions, quantitative models, risk analytics and customized reporting tools, and other sophisticated analytical tools. * Experience leading/designing/delivering API service-based product solutions
Support an API-FIRST Analytics business strategy to design and build SaaS and PaaS solutions, including analytics data solutions, quantitative models, risk analytics and customized reporting tools, and other sophisticated analytical tools. * Experience leading/designing/delivering API service-based product solutions
Join Us as a Software Development Engineer in Test (SDET)! Overview - We are looking for a Software Development Engineer in Test (SDET) or automation tester who comes from a Java Software Development background. The role is to assist in the development of the new Index platform for the FTSE-Russell Index business of the London Stock Exchange Group (LSEG). The Index Platform team performs the calculation, maintenance and distribution of Index products. You will be working on innovative technologies with a team of engineers to implement solutions which support the strategic growth of the Index business. You will be involved in the development of complex test tools and solutions as well as new test frameworks, starting from a blank slate in some cases, to help ensure the quality of a greenfield application build.
Join Us as a Software Development Engineer in Test (SDET)! Overview - We are looking for a Software Development Engineer in Test (SDET) or automation tester who comes from a Java Software Development background. The role is to assist in the development of the new Index platform for the FTSE-Russell Index business of the London Stock Exchange Group (LSEG). The Index Platform team performs the calculation, maintenance and distribution of Index products. You will be working on innovative technologies with a team of engineers to implement solutions which support the strategic growth of the Index business. You will be involved in the development of complex test tools and solutions as well as new test frameworks, starting from a blank slate in some cases, to help ensure the quality of a greenfield application build.
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£475 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Contract Opportunity: Node.js Developer - Hybrid (2-3 days onsite in London) to £475/day | Outside IR35 | 3 months (likely extension) We're working with a leading consultancy on a fast-paced delivery programme for a major UK client and need a talented Node.js Developer to join the team. You'll be joining a collaborative group of engineers and delivery leads to help build out scalable backend services as part of a wider digital transformation programme. * Developing clean, efficient Node.js microservices * Integrating with APIs and external data sources * Collaborating with architects and DevOps engineers to deliver secure, scalable solutions * Participating in code reviews and agile ceremonies * Strong experience in Node.js and JavaScript (TypeScript a bonus)
£475 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Contract Opportunity: Node.js Developer - Hybrid (2-3 days onsite in London) to £475/day | Outside IR35 | 3 months (likely extension) We're working with a leading consultancy on a fast-paced delivery programme for a major UK client and need a talented Node.js Developer to join the team. You'll be joining a collaborative group of engineers and delivery leads to help build out scalable backend services as part of a wider digital transformation programme. * Developing clean, efficient Node.js microservices * Integrating with APIs and external data sources * Collaborating with architects and DevOps engineers to deliver secure, scalable solutions * Participating in code reviews and agile ceremonies * Strong experience in Node.js and JavaScript (TypeScript a bonus)
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Job Description Summary - The Digital & Marketing Technology Team is responsible for marketing technology within the LSEG Technology organization. Our current MarTech stack includes Oracle Marketing Cloud (Eloqua), Salesforce CRM, Interact and Unica (IBM), Workfront and other applications, and is growing to include additional cloud-enabled technologies to support marketing planning, marketing content, demand generation, lead flow, and marketing attribution. The Digital & Marketing Technology team is growing, and looking for versatile self-starters who want to learn new technologies and take ownership of projects. This position is responsible for driving business requirements for new technologies, managing releases, and 2nd level support and development of marketing automation platforms, including integration with other Digital Marketing tools and MarTech applications
Job Description Summary - The Digital & Marketing Technology Team is responsible for marketing technology within the LSEG Technology organization. Our current MarTech stack includes Oracle Marketing Cloud (Eloqua), Salesforce CRM, Interact and Unica (IBM), Workfront and other applications, and is growing to include additional cloud-enabled technologies to support marketing planning, marketing content, demand generation, lead flow, and marketing attribution. The Digital & Marketing Technology team is growing, and looking for versatile self-starters who want to learn new technologies and take ownership of projects. This position is responsible for driving business requirements for new technologies, managing releases, and 2nd level support and development of marketing automation platforms, including integration with other Digital Marketing tools and MarTech applications
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
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Our Purpose - Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary - At Mastercard, we power economies and empower people by enabling secure, simple, and smart payments. Through our Commercial Solutions, we deliver smarter payments and enable stronger business across a rapidly digitizing economy. Our Corporate Solutions Acceptance strategy is focused on scaling B2B card payments globallyhelping issuers, acquirers, bu
Our Purpose - Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary - At Mastercard, we power economies and empower people by enabling secure, simple, and smart payments. Through our Commercial Solutions, we deliver smarter payments and enable stronger business across a rapidly digitizing economy. Our Corporate Solutions Acceptance strategy is focused on scaling B2B card payments globallyhelping issuers, acquirers, bu
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Security Architecture is comprised of security experts who are focused and specialized in securing all aspects of OCI Cloud. As security experts, we are sought out by our partner engineering organizations to provide guidance on designing their products, services and features. We set OCI wide security standards and hold a high security requirement bar for all services to ensure the highest level of security to our customers. We are currently looking for a highly motivated security engineer with expertise in Cloud security to join our team. This candidate would be involved in architecture, design, prototyping and development of the security aspects of Oracle Cloud's products and services. You should be a security-minded leader who can work with architects and/or a development teams as they design new capabilities to ensure that security requirements are set and the desi
Security Architecture is comprised of security experts who are focused and specialized in securing all aspects of OCI Cloud. As security experts, we are sought out by our partner engineering organizations to provide guidance on designing their products, services and features. We set OCI wide security standards and hold a high security requirement bar for all services to ensure the highest level of security to our customers. We are currently looking for a highly motivated security engineer with expertise in Cloud security to join our team. This candidate would be involved in architecture, design, prototyping and development of the security aspects of Oracle Cloud's products and services. You should be a security-minded leader who can work with architects and/or a development teams as they design new capabilities to ensure that security requirements are set and the desi
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We are looking for a dynamic and results-driven App Lead to drive the growth of our App program globally. The role is pivotal in meeting our revenue and efficiency targets, with accountability for performance against App targets globally. What You'll Be Doing * Strategy: Working with the Head of Performance Marketing and team of channel specialists to develop and execute a comprehensive global App strategy to drive growth and achieve ambitious revenue and efficiency targets. * Performance management: Be hands on in our accounts, optimising a complex, high-spending global App program across Google & Apple products. * Industry trends: Stay up to date with the latest trends and innovations in App and digital marketing. Work closely with platform partners to stay on top of emerging products and ensure we have a plan to test them at pace.
We are looking for a dynamic and results-driven App Lead to drive the growth of our App program globally. The role is pivotal in meeting our revenue and efficiency targets, with accountability for performance against App targets globally. What You'll Be Doing * Strategy: Working with the Head of Performance Marketing and team of channel specialists to develop and execute a comprehensive global App strategy to drive growth and achieve ambitious revenue and efficiency targets. * Performance management: Be hands on in our accounts, optimising a complex, high-spending global App program across Google & Apple products. * Industry trends: Stay up to date with the latest trends and innovations in App and digital marketing. Work closely with platform partners to stay on top of emerging products and ensure we have a plan to test them at pace.
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At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar Games is looking for a passionate Associate Principal Technical Artist to work with our award-winning development team. You will have the opportunity to develop new tools and technologies, improve pipelines, and manage complex workflows for the vast amount of files and assets that make up our games. This is a full-time, permanent and in-office position based in Rockstars state-of-the-art game development studio in London. * Interact closely with our various stage, post, and animation teams, in addition to Tech Art and I
At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar Games is looking for a passionate Associate Principal Technical Artist to work with our award-winning development team. You will have the opportunity to develop new tools and technologies, improve pipelines, and manage complex workflows for the vast amount of files and assets that make up our games. This is a full-time, permanent and in-office position based in Rockstars state-of-the-art game development studio in London. * Interact closely with our various stage, post, and animation teams, in addition to Tech Art and I
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Why Deliveroo - Our mission is to transform the way you shop and eat, bringing the neighbourhood to your door by connecting consumers, restaurants, shops and riders. We are transforming the way the world eats and shops by making access to food and products more convenient and enjoyable. We give people the opportunity to buy what they want, as they want it, when and where they want it. We are a technology-driven company at the forefront of the most rapidly expanding industry in the world. We are still a small team, making a very large impact, looking to answer some of the most interesting questions out there. We move fast, value autonomy and ownership, and we are always looking for new ideas. As a Software Engineer within the Security Product Engineering team, you will be responsible for the design, development and support of security products.
Why Deliveroo - Our mission is to transform the way you shop and eat, bringing the neighbourhood to your door by connecting consumers, restaurants, shops and riders. We are transforming the way the world eats and shops by making access to food and products more convenient and enjoyable. We give people the opportunity to buy what they want, as they want it, when and where they want it. We are a technology-driven company at the forefront of the most rapidly expanding industry in the world. We are still a small team, making a very large impact, looking to answer some of the most interesting questions out there. We move fast, value autonomy and ownership, and we are always looking for new ideas. As a Software Engineer within the Security Product Engineering team, you will be responsible for the design, development and support of security products.
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Date Posted: 25/06/2025 - Location: London - Job Type: Full time - London - Hybrid 50% Full Time - 35 hours - Who are Just? We help people achieve a better later life. Thats our purpose and its the reason we exist. We are a fast-growing FTSE 250 company helping customers enjoy the retirement they deserve. We do this through a variety of market leading, award-winning products and services, delivered by a diverse team of over 1,400 purpose-led colleagues who genuinely put the customer at the heart of everything we do. This is a brilliant time to join our business. We are on an exciting growth journey to become the UKs most loved retirement expert. Purpose - As a Senior Application Support Engineer, you will play a crucial role in powering our Retail applications by partnering with engineering and business teams to build deep technical and business expertise.
Date Posted: 25/06/2025 - Location: London - Job Type: Full time - London - Hybrid 50% Full Time - 35 hours - Who are Just? We help people achieve a better later life. Thats our purpose and its the reason we exist. We are a fast-growing FTSE 250 company helping customers enjoy the retirement they deserve. We do this through a variety of market leading, award-winning products and services, delivered by a diverse team of over 1,400 purpose-led colleagues who genuinely put the customer at the heart of everything we do. This is a brilliant time to join our business. We are on an exciting growth journey to become the UKs most loved retirement expert. Purpose - As a Senior Application Support Engineer, you will play a crucial role in powering our Retail applications by partnering with engineering and business teams to build deep technical and business expertise.
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About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 60+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution. About the role
About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 60+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution. About the role
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Our Purpose - Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary - As a Lead AI Engineer at Mastercard, you will be instrumental in designing, building, and scaling AI microservices that transform PoC notebooks into robust, production-ready components. You will play a pivotal role in creating the foundational AI services that power our next-generation solutions, ensuring they are scalable, efficient, and seamlessly
Our Purpose - Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary - As a Lead AI Engineer at Mastercard, you will be instrumental in designing, building, and scaling AI microservices that transform PoC notebooks into robust, production-ready components. You will play a pivotal role in creating the foundational AI services that power our next-generation solutions, ensuring they are scalable, efficient, and seamlessly
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Position Overview - Job Title Lead Engineer - Location London - Corporate Title Vice President - You will play a key role in the transformation of Rates and Credit Fixed Income technology landscape. As part of our multi-year platform modernisation project, you will be responsible for building a suite of new, real-time, high-performance applications supporting various trading workflows. You will be involved in architecting solutions across the stack, encouraging best practices and working closely with Business stakeholders to build a maintainable, operationally efficient and scalable platform to last the next decade. What well offer you - A healthy, engaged and well-supported workforce are better equipped to do their best work and, more importantly, enjoy their lives inside and outside the workplace. Thats why we are committed to providing an environment with your deve
Position Overview - Job Title Lead Engineer - Location London - Corporate Title Vice President - You will play a key role in the transformation of Rates and Credit Fixed Income technology landscape. As part of our multi-year platform modernisation project, you will be responsible for building a suite of new, real-time, high-performance applications supporting various trading workflows. You will be involved in architecting solutions across the stack, encouraging best practices and working closely with Business stakeholders to build a maintainable, operationally efficient and scalable platform to last the next decade. What well offer you - A healthy, engaged and well-supported workforce are better equipped to do their best work and, more importantly, enjoy their lives inside and outside the workplace. Thats why we are committed to providing an environment with your deve
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Job Overview: GlaxoSmithKline (GSK) is seeking an experienced Associate Director/Scientific Leader in Automation Infrastructure to join our new RTech Automation team in Data Automation & Predictive Sciences (DAPS) in our Research Technologies (RTech) division. This team will spearhead the integration of automation technologies into our scientific workflows to deliver biology and data at scale. A critical component of RTech's vision as a technology-driven leader in target discovery and molecule design is the establishment of an integrated design-generate-analyze-model-predict cycle within DAPS, supported by this centralized Automation Engineering team. This team will transform RTech by deploying cutting-edge lab automation and robotics at global sites, serving as a center for expertise and support to align strategies and maximize automation investments.
Job Overview: GlaxoSmithKline (GSK) is seeking an experienced Associate Director/Scientific Leader in Automation Infrastructure to join our new RTech Automation team in Data Automation & Predictive Sciences (DAPS) in our Research Technologies (RTech) division. This team will spearhead the integration of automation technologies into our scientific workflows to deliver biology and data at scale. A critical component of RTech's vision as a technology-driven leader in target discovery and molecule design is the establishment of an integrated design-generate-analyze-model-predict cycle within DAPS, supported by this centralized Automation Engineering team. This team will transform RTech by deploying cutting-edge lab automation and robotics at global sites, serving as a center for expertise and support to align strategies and maximize automation investments.
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Locations
- Southwark
- The City, City (EC3)
- Frimley
- Soho
- The City, City (EC4)
- Bishopsgate
- Brentford End
- Charing Cross
- Chelsea
- Clerkenwell
- City of London
- Central London
- West End
- Reading
- Cambridge
- Milton Keynes
- South West London
- Woking
- East London
- Maidenhead
- London
- Berkshire
- Surrey
- Cambridgeshire
- Hertfordshire
- Buckinghamshire
- Bedfordshire
- Essex
- Oxfordshire
- Northamptonshire
- South East
- East Anglia
- East Midlands
- Midlands