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56 API jobs in South Croydon + 20 miles
Experience with API testing tools such as Postman.
Experience with API testing tools such as Postman.
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Principal Software Engineer - Unified Client Experience (UCX)
Principal Software Engineer - Unified Client Experience (UCX)
Hargreaves Lansdown
EC1, City of London
Up to £11500 per annum + Generous bonus, pension, PMI & more
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
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Senior Software Engineer - Unified Client Experience (UCX)
Senior Software Engineer - Unified Client Experience (UCX)
Hargreaves Lansdown
EC1, City of London
£75000 - £95000 per annum + Generous bonus, pension, PMI & more
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
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Software Engineering Manager - Unified Client Experience (UCX)
Software Engineering Manager - Unified Client Experience (UCX)
Hargreaves Lansdown
EC1, City of London
£90000 - £115000 per annum + Generous bonus, pension, PMI and more
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
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Location: Central London or Remote [Moldova] Job Type: Full time - Why join us? If you love food and technology as much as we do, youll love life at Vita Mojo. Were on a mission to revolutionise the hospitality experience for operators and their customers. Through our smart digital products, were powering the digital transformation of your favourite pubs, bars and restaurants. And we want a world where everyone gets the meal theyre hoping for. Each and every time. Our Vita Mojo DNA - Were proud to have built an award-winning digital platform. Vita Mojo is a positive, energetic and forward-thinking place to work, and when you become a Moji, youll be joining a supportive team whove always got your back. Our passion for technology and food is matched only by our support for our people. About the role - Your mission as a Vita Mojo Full Stack Engineer is to help us bring o
Location: Central London or Remote [Moldova] Job Type: Full time - Why join us? If you love food and technology as much as we do, youll love life at Vita Mojo. Were on a mission to revolutionise the hospitality experience for operators and their customers. Through our smart digital products, were powering the digital transformation of your favourite pubs, bars and restaurants. And we want a world where everyone gets the meal theyre hoping for. Each and every time. Our Vita Mojo DNA - Were proud to have built an award-winning digital platform. Vita Mojo is a positive, energetic and forward-thinking place to work, and when you become a Moji, youll be joining a supportive team whove always got your back. Our passion for technology and food is matched only by our support for our people. About the role - Your mission as a Vita Mojo Full Stack Engineer is to help us bring o
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Date: 30 Sept 2025 - Location: London, GB, EC2V 7AD - Company: Paysafe - Paysafe is a leading payments platform with an extensive track record of serving merchants and consumers in the global entertainment sectors. Its core purpose is to enable businesses and consumers to connect and transact seamlessly through industry-leading capabilities in payment processing, digital wallet, and online cash solutions. With 29 years of online payment experience, an annualized transactional volume of $152 billion in 2024, and approximately 3,300 employees located in 12+ countries, Paysafe connects businesses and consumers across 260 payment types in 48 currencies around the world. Delivered through an integrated platform, Paysafe solutions are geared toward mobile-initiated transactions, real-time analytics and the convergence between brick-and-mortar and online payments.
Date: 30 Sept 2025 - Location: London, GB, EC2V 7AD - Company: Paysafe - Paysafe is a leading payments platform with an extensive track record of serving merchants and consumers in the global entertainment sectors. Its core purpose is to enable businesses and consumers to connect and transact seamlessly through industry-leading capabilities in payment processing, digital wallet, and online cash solutions. With 29 years of online payment experience, an annualized transactional volume of $152 billion in 2024, and approximately 3,300 employees located in 12+ countries, Paysafe connects businesses and consumers across 260 payment types in 48 currencies around the world. Delivered through an integrated platform, Paysafe solutions are geared toward mobile-initiated transactions, real-time analytics and the convergence between brick-and-mortar and online payments.
204 exact matches jobs are outside your preferred location
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Job Description - UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes - RELOCATION ASSISTANCE: Relocation assistance may be available - CLEARANCE TYPE: UK-Highest Level of Government Clearance - TRAVEL: Yes, 10% of the Time - Salary: £77,400 - £116,000 - Define Possible at Northrop Grumman UK - At Northrop Grumman UK, our mission is to solve the most complex challenges by shaping the technology and solutions of tomorrow. We call it Defining Possible. This mind-set goes beyond our customer solutions; its the foundation for your career development and the impact we have within the community. So, whats your possible? This is more than just a job; its a mission. We are seeking an experienced Elasticsearch Platforms Engineer to join our Data Platforms Infrastructure team. This role is pivotal in supporting and maintaining our Elastic Cloud Enterprise (ECE) environment, designin
Job Description - UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes - RELOCATION ASSISTANCE: Relocation assistance may be available - CLEARANCE TYPE: UK-Highest Level of Government Clearance - TRAVEL: Yes, 10% of the Time - Salary: £77,400 - £116,000 - Define Possible at Northrop Grumman UK - At Northrop Grumman UK, our mission is to solve the most complex challenges by shaping the technology and solutions of tomorrow. We call it Defining Possible. This mind-set goes beyond our customer solutions; its the foundation for your career development and the impact we have within the community. So, whats your possible? This is more than just a job; its a mission. We are seeking an experienced Elasticsearch Platforms Engineer to join our Data Platforms Infrastructure team. This role is pivotal in supporting and maintaining our Elastic Cloud Enterprise (ECE) environment, designin
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.NET Framework Version 4.5 or above including strong WCF\ Web API experience
.NET Framework Version 4.5 or above including strong WCF\ Web API experience
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• API Knowledge: Experience with APIs, web services, and data exchange formats.
• API Knowledge: Experience with APIs, web services, and data exchange formats.
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Strong Python & C# skills; API and cloud architecture experience (Azure a plus).
Strong Python & C# skills; API and cloud architecture experience (Azure a plus).
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API integrations with complex systems
API integrations with complex systems
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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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Drive architectural decisions across all software systems (cloud, mobile, and API layers).
Drive architectural decisions across all software systems (cloud, mobile, and API layers).
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Experience with microservices, OAuth2/OpenID Connect, API Gateway
Experience with microservices, OAuth2/OpenID Connect, API Gateway
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This role requires a deep understanding of cloud infrastructure, API management, and continuous integration and deployment practices. * Build, deploy, and monitor solutions using AWS services such as Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, and S3. * Execute and manage the end-to-end application lifecycle using Apigee Edge and X-API strategy. * Perform API strategy execution, provide technical support, and generate insights through analytical reports. * Strong knowledge of the Apigee platform or any APM (API Management) platform and its components. * Ability to generate custom analytical reports for API consumption and error tracking. * Familiarity with API security and access control mechanisms (OAuth, API keys, JWT, etc.
This role requires a deep understanding of cloud infrastructure, API management, and continuous integration and deployment practices. * Build, deploy, and monitor solutions using AWS services such as Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, and S3. * Execute and manage the end-to-end application lifecycle using Apigee Edge and X-API strategy. * Perform API strategy execution, provide technical support, and generate insights through analytical reports. * Strong knowledge of the Apigee platform or any APM (API Management) platform and its components. * Ability to generate custom analytical reports for API consumption and error tracking. * Familiarity with API security and access control mechanisms (OAuth, API keys, JWT, etc.
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Drive Automation across all areas in testing (Unit, Spec, API, Integration, Infrastructure, etc) * API: Postman
Drive Automation across all areas in testing (Unit, Spec, API, Integration, Infrastructure, etc) * API: Postman
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Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, S3, etc.). * Design, develop, and manage applications tailored to business needs while customizing platforms and overseeing the API lifecycle using Apigee Edge and X-API strategy. * Manage and secure Apigee or similar API Management platforms, ensuring API governance, performance optimization, and compliance. * Implement and enforce API security and access controls using OAuth, API keys, JWT, and other authentication mechanisms. * Strong knowledge of API security, OAuth, JWT, and API Gateway policies. * Solid knowledge of Apigee or similar API Management platforms. * Ability to design and impl
Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, S3, etc.). * Design, develop, and manage applications tailored to business needs while customizing platforms and overseeing the API lifecycle using Apigee Edge and X-API strategy. * Manage and secure Apigee or similar API Management platforms, ensuring API governance, performance optimization, and compliance. * Implement and enforce API security and access controls using OAuth, API keys, JWT, and other authentication mechanisms. * Strong knowledge of API security, OAuth, JWT, and API Gateway policies. * Solid knowledge of Apigee or similar API Management platforms. * Ability to design and impl
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API analysis and design
API analysis and design
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Position: Backend Engineer - Location: Remote (UK) Work Type: Contract - Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
Position: Backend Engineer - Location: Remote (UK) Work Type: Contract - Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
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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 65+ 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 65+ 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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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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Senior Software Engineer (Full Stack Python, AI, LLMs)
Senior Software Engineer (Full Stack Python, AI, LLMs)
Transparent Technology
London, EC1A 4RN
£80000 - £140000 per annum + + bens + shares
Senior Software Engineer (AI Focus) - £80,000-£135,000 + Benefits + Shares + Bonus | London, Edinburgh, or Manchester | Hybrid (Up to 3 Days Onsite per Week) Join one of the UK's most exciting AI consultancies - an official OpenAI Global Partner - founded by a leadership team who have already built and sold a multimillion-pound tech business. They're expanding rapidly and looking for Senior Software Engineers (Backend or Full Stack) with strong Python skills and a genuine passion for AI, scalable systems, and modern cloud architecture. You don't need to be an AI or LLM expert yet - you'll learn directly from some of the best in the industry. What You'll Be Doing * Design and deploy scalable agentic applications using Python (and ideally JavaScript/TypeScript) * Build and maintain microservices, APIs, and CI/CD pipelines
Senior Software Engineer (AI Focus) - £80,000-£135,000 + Benefits + Shares + Bonus | London, Edinburgh, or Manchester | Hybrid (Up to 3 Days Onsite per Week) Join one of the UK's most exciting AI consultancies - an official OpenAI Global Partner - founded by a leadership team who have already built and sold a multimillion-pound tech business. They're expanding rapidly and looking for Senior Software Engineers (Backend or Full Stack) with strong Python skills and a genuine passion for AI, scalable systems, and modern cloud architecture. You don't need to be an AI or LLM expert yet - you'll learn directly from some of the best in the industry. What You'll Be Doing * Design and deploy scalable agentic applications using Python (and ideally JavaScript/TypeScript) * Build and maintain microservices, APIs, and CI/CD pipelines
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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 65+ 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 65+ 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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As the Ad Tech and Analytics Manager, you will strategically implement and optimise ad tech solutions, ensuring robust data management and impactful analytics. As a key contributor, you will drive advanced solutions that elevate L'Oréal's digital media performance, ensure robust data governance and compliance, empower data-driven decisions, foster collaboration, and integrate innovative technologies like Generative AI to maintain L'Oréal's leading position in the digital landscape. MEDIA TECH MANAGEMENT & OPTIMISATION * Oversee and optimise APIs (e.g., CAPI, eAPI's) for data collection and integration. * Manage tracking pixels and tags, ensuring data accuracy and reliability across digital platforms. * Manage and utilise essential tools for brand safety, media sustainability, taxonomy, reporting, and analytics, collaborating with media agencies.
As the Ad Tech and Analytics Manager, you will strategically implement and optimise ad tech solutions, ensuring robust data management and impactful analytics. As a key contributor, you will drive advanced solutions that elevate L'Oréal's digital media performance, ensure robust data governance and compliance, empower data-driven decisions, foster collaboration, and integrate innovative technologies like Generative AI to maintain L'Oréal's leading position in the digital landscape. MEDIA TECH MANAGEMENT & OPTIMISATION * Oversee and optimise APIs (e.g., CAPI, eAPI's) for data collection and integration. * Manage tracking pixels and tags, ensuring data accuracy and reliability across digital platforms. * Manage and utilise essential tools for brand safety, media sustainability, taxonomy, reporting, and analytics, collaborating with media agencies.
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Digital Workflow & Automation Consultant
Digital Workflow & Automation Consultant
Apogee Corporation**
RG1, Reading, RG1 1LX
Competitive Salary + Car + Remote Working
With over 30 years of expertise, Apogee transforms how organisations of every size and sector manage their IT delivering everything they need through one seamless point of contact. As an independent subsidiary of HP Inc., we combine the agility of a specialist provider with the power of one of the worlds leading technology companies, giving our clients instant access to cutting-edge innovation backed by market-leading service operations! This is more than a technical role it is an opportunity to shape how organisations work! You will be at the forefront of designing and implementing intelligent workflows that free people from repetitive tasks and unlock their productivity. Working closely with colleagues, customers, and partners, you will transform processes and integrate cutting-edge technologies into real-world solutions. What You Will Do
With over 30 years of expertise, Apogee transforms how organisations of every size and sector manage their IT delivering everything they need through one seamless point of contact. As an independent subsidiary of HP Inc., we combine the agility of a specialist provider with the power of one of the worlds leading technology companies, giving our clients instant access to cutting-edge innovation backed by market-leading service operations! This is more than a technical role it is an opportunity to shape how organisations work! You will be at the forefront of designing and implementing intelligent workflows that free people from repetitive tasks and unlock their productivity. Working closely with colleagues, customers, and partners, you will transform processes and integrate cutting-edge technologies into real-world solutions. What You Will Do
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