Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- London
- East London
- City of London
- Central London
- South East London
- Mayfair
- Moorgate, City of London
- Southwark
- Soho, Central London
- Covent Garden
- Essex
- Kingston Upon Thames
- Dartford
- Surrey
- West London
- Bromley
- Kent
- Doncaster
- South East
- Southend-On-Sea
- South West London
- Milton Keynes
- Scotland
- Windsor
- North West London
- North London
- Maidenhead
- Manchester
- Reading
- Derby
- Edinburgh
- Chelmsford
- Hounslow
- Lincoln
- West End
- Oxford
- Sheffield
- Basildon
- Luton
27 Contract API jobs in Canary Wharf + 10 miles
Paysafe Limited (Paysafe) (NYSE: PSFE) (PSFE.WS) 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 over 20 years of online payment experience, an annualized transactional volume of $140 billion in 2023, and approximately 3,200 employees located in 12+ countries, Paysafe connects businesses and consumers across 260 payment types in over 40 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. Further information is available
Paysafe Limited (Paysafe) (NYSE: PSFE) (PSFE.WS) 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 over 20 years of online payment experience, an annualized transactional volume of $140 billion in 2023, and approximately 3,200 employees located in 12+ countries, Paysafe connects businesses and consumers across 260 payment types in over 40 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. Further information is available
London - Hybrid - Remarkable - Our Culture - Remarkable company culture is centered around being "remarkable," with a strong emphasis on innovation, continuous learning, and a deep sense of purpose. Employees are encouraged to be adventurous, open-minded, and driven by passion and determination. The group places a significant focus on personal development and professional growth, offering opportunities for ongoing training and skills enhancement. We foster a collaborative environment where diversity, equity, and inclusivity are actively championed. The company promotes flexible working, sustainability, and social responsibility, ensuring that its operations leave a positive impact on both the environment and the communities it serves! At Remarkable , we help ambitious organisations transform their digital experiences crafting data-driven, customer-first solutions that
London - Hybrid - Remarkable - Our Culture - Remarkable company culture is centered around being "remarkable," with a strong emphasis on innovation, continuous learning, and a deep sense of purpose. Employees are encouraged to be adventurous, open-minded, and driven by passion and determination. The group places a significant focus on personal development and professional growth, offering opportunities for ongoing training and skills enhancement. We foster a collaborative environment where diversity, equity, and inclusivity are actively championed. The company promotes flexible working, sustainability, and social responsibility, ensuring that its operations leave a positive impact on both the environment and the communities it serves! At Remarkable , we help ambitious organisations transform their digital experiences crafting data-driven, customer-first solutions that
164 exact matches jobs are outside your preferred location
)
Job Title: Android Developer API & Parser Integration (Contract) However, they're now embarking on an ambitious new journey: decoupling the front-end and establishing an API-first ecosystem. Youll take an existing Android app and re-engineer it to expose its functionality via a clean, robust API. To allow external clients to build their own front ends using the data, while ensuring the app can also consume the same API internally. * Re-architect an existing Android application to expose its functionality via a standalone API. * Modify the current Android application to consume data from the newly created API. * Solid experience in API design and development, ideally for mobile-to-device communication. * Familiarity with security best practices in
Job Title: Android Developer API & Parser Integration (Contract) However, they're now embarking on an ambitious new journey: decoupling the front-end and establishing an API-first ecosystem. Youll take an existing Android app and re-engineer it to expose its functionality via a clean, robust API. To allow external clients to build their own front ends using the data, while ensuring the app can also consume the same API internally. * Re-architect an existing Android application to expose its functionality via a standalone API. * Modify the current Android application to consume data from the newly created API. * Solid experience in API design and development, ideally for mobile-to-device communication. * Familiarity with security best practices in
Hands-on experience with Lambda, DynamoDB, S3, API Gateway, CloudWatch
Hands-on experience with Lambda, DynamoDB, S3, API Gateway, CloudWatch
NEW
)
Senior Test Engineer – AWS Node Testing – Accounts
Senior Test Engineer – AWS Node Testing – Accounts
Spyrosoft Ltd
London
FTC (full-time) + benefits + pension
API testing (RestAssured or similar) The successful applicant will have strong Playwright/JavaScript knowledge, strong experience of API testing, have written automated performance tests, be comfortable working with AWS services and experience using monitoring tools * be experienced with API testing (RestAssured and Java knowledge would be beneficial)
API testing (RestAssured or similar) The successful applicant will have strong Playwright/JavaScript knowledge, strong experience of API testing, have written automated performance tests, be comfortable working with AWS services and experience using monitoring tools * be experienced with API testing (RestAssured and Java knowledge would be beneficial)
NEW
)
It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
)
Perform gap analyses of applicable design and fabrication codes (ASME, EN/ISO, DNV, API, AWS, ASTM). * Strong knowledge of international standards (ASME, EN/ISO, DNV, API, AWS, ASTM).
Perform gap analyses of applicable design and fabrication codes (ASME, EN/ISO, DNV, API, AWS, ASTM). * Strong knowledge of international standards (ASME, EN/ISO, DNV, API, AWS, ASTM).
)
Experience with REST and SOAP API integrations
Experience with REST and SOAP API integrations
)
You will be working on a standard API layer wrapping 3rd party services (i.e Intercom and Gong) specifically to standardise the interface for cadencing/marketing/enrolment/email sequencing.
You will be working on a standard API layer wrapping 3rd party services (i.e Intercom and Gong) specifically to standardise the interface for cadencing/marketing/enrolment/email sequencing.
FEATUREDNEW
)
Role Title: Appian Developer - Location: London - Duration: 30/11/2025 - Via Umbrella Company - We are seeking a skilled and motivated Appian Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and implementing business process management (BPM) solutions using the Appian platform. You will work closely with business analysts, stakeholders, and other developers to deliver scalable and efficient applications that meet business requirements. Design and develop BPM applications using Appian. Collaborate with cross-functional teams to gather and analyse requirements. Build and maintain Appian objects such as records, reports, interfaces, and process models. Integrate Appian applications with external systems using APIs and web services. Participate in code reviews, testing, and deployment activities.
Role Title: Appian Developer - Location: London - Duration: 30/11/2025 - Via Umbrella Company - We are seeking a skilled and motivated Appian Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and implementing business process management (BPM) solutions using the Appian platform. You will work closely with business analysts, stakeholders, and other developers to deliver scalable and efficient applications that meet business requirements. Design and develop BPM applications using Appian. Collaborate with cross-functional teams to gather and analyse requirements. Build and maintain Appian objects such as records, reports, interfaces, and process models. Integrate Appian applications with external systems using APIs and web services. Participate in code reviews, testing, and deployment activities.
PREMIUMNEW
Hybrid - 2 Days a Week London We're looking for a Software Engineer with strong skills in Node.js, React, and TypeScript to build scalable web applications. You'll work across the stack, using Docker, Azure Web Apps, and ElasticSearch. Develop full-stack applications with Node.js, React, and TypeScript Build and maintain RESTful APIs and responsive UIs Containerize and deploy apps using Docker and Azure Web Apps Implement and optimize search with ElasticSearch Collaborate with product and DevOps teams Write clean, testable code and participate in code reviews Solid experience with Node.js, React, and TypeScript Familiarity with Docker, Azure Web Apps, and ElasticSearch Good understanding of REST APIs and modern frontend tools Comfortable with Git workflows and agile development Strong communication and problem-solving skills
Hybrid - 2 Days a Week London We're looking for a Software Engineer with strong skills in Node.js, React, and TypeScript to build scalable web applications. You'll work across the stack, using Docker, Azure Web Apps, and ElasticSearch. Develop full-stack applications with Node.js, React, and TypeScript Build and maintain RESTful APIs and responsive UIs Containerize and deploy apps using Docker and Azure Web Apps Implement and optimize search with ElasticSearch Collaborate with product and DevOps teams Write clean, testable code and participate in code reviews Solid experience with Node.js, React, and TypeScript Familiarity with Docker, Azure Web Apps, and ElasticSearch Good understanding of REST APIs and modern frontend tools Comfortable with Git workflows and agile development Strong communication and problem-solving skills
NEW
)
Head Of Infrastructure Architecture
Head Of Infrastructure Architecture
Magnus Partners Talent Solutions
London
Competitive day rate (or equivalent)
About the Company - A dynamic London-based fintech startup is revolutionising financial services through cutting-edge technology. Their mission is to deliver secure, scalable, and innovative solutions that empower users in a rapidly evolving digital landscape. Join a forward-thinking team to build a next-generation platform that redefines how financial systems operate, driven by innovation, collaboration, and excellence. Role Overview - As the Technical Lead for Infrastructure & Architecture, youll spearhead the development of a transformative financial platform, reporting directly to the CEO. Leading a compact team of two developers, youll design and deliver a robust, secure architecture that sets new industry standards. This hands-on role demands deep expertise in full-stack development, blockchain technologies, and a relentless drive to innovate.
About the Company - A dynamic London-based fintech startup is revolutionising financial services through cutting-edge technology. Their mission is to deliver secure, scalable, and innovative solutions that empower users in a rapidly evolving digital landscape. Join a forward-thinking team to build a next-generation platform that redefines how financial systems operate, driven by innovation, collaboration, and excellence. Role Overview - As the Technical Lead for Infrastructure & Architecture, youll spearhead the development of a transformative financial platform, reporting directly to the CEO. Leading a compact team of two developers, youll design and deliver a robust, secure architecture that sets new industry standards. This hands-on role demands deep expertise in full-stack development, blockchain technologies, and a relentless drive to innovate.
)
Role: Cyber Security Engineer - Salary/Rate: up to £700 per day (inside IR35) Location: Hybrid London - Contract Duration: until October 2025 - We are currently looking for a Cyber Security Engineer for our government client. This Cyber Security Engineer role is hybrid, based between 2-3 days per week on site in central London and the remainder of the week working remotely. The contract for the Cyber Security Engineer position is until October 2025 with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Experience penetration testing, ethical hacking, or completing vulnerability assessments. * Security testing tools (e.g., Burp Suite, OWASP ZAP, Nikto, Nmap, Metasploit, etc.).
Role: Cyber Security Engineer - Salary/Rate: up to £700 per day (inside IR35) Location: Hybrid London - Contract Duration: until October 2025 - We are currently looking for a Cyber Security Engineer for our government client. This Cyber Security Engineer role is hybrid, based between 2-3 days per week on site in central London and the remainder of the week working remotely. The contract for the Cyber Security Engineer position is until October 2025 with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Experience penetration testing, ethical hacking, or completing vulnerability assessments. * Security testing tools (e.g., Burp Suite, OWASP ZAP, Nikto, Nmap, Metasploit, etc.).
NEW
Job Title: D365 CE Developer (Contract) Location: Central London (Hybrid – 3 days onsite per week) Contract Duration: 3 Months - Outside IR35 - We are seeking an experienced Dynamics 365 Customer Engagement (CE) Developer for a 3-month contract. The ideal candidate will have strong experience in data migration and system integration within the D365 CE environment. This hybrid role requires 3 days per week onsite in Central London. * Develop and customise solutions in Dynamics 365 CE * Lead and support data migration activities * Integrate D365 CE with external systems using APIs and middleware * Collaborate with business and technical teams to ensure seamless delivery * Proven experience as a D365 CE Developer * Strong skills in data migration and integration * Hands-on experience with Power Platform, JavaScript, plug-ins, and workflows
Job Title: D365 CE Developer (Contract) Location: Central London (Hybrid – 3 days onsite per week) Contract Duration: 3 Months - Outside IR35 - We are seeking an experienced Dynamics 365 Customer Engagement (CE) Developer for a 3-month contract. The ideal candidate will have strong experience in data migration and system integration within the D365 CE environment. This hybrid role requires 3 days per week onsite in Central London. * Develop and customise solutions in Dynamics 365 CE * Lead and support data migration activities * Integrate D365 CE with external systems using APIs and middleware * Collaborate with business and technical teams to ensure seamless delivery * Proven experience as a D365 CE Developer * Strong skills in data migration and integration * Hands-on experience with Power Platform, JavaScript, plug-ins, and workflows
FEATUREDNEW
)
Automation Developer
Automation Developer
Networking People (UK) Limited
London
£550 - £600 per day + Deemed Inside IR35 via Umbrella solution
Contract: Automation Python Developer - Start Date: ASAP - Duration: 6 months - Location: Remote working (possible occasional travel to London site) Rate: £550 - 600 a day (Deemed Inside IR35 via umbrella solution) We are urgently seeking an experienced Automation Developer (With Python and Jinja2 expertise) to join a major financial services organisation on a business-critical infrastructure modernisation and automation programme. This is a fantastic opportunity to play a key role in delivering cutting-edge automation solutions within a dynamic and forward-thinking environment. * Assist with migrating multi-tenanted network services onto a new platform. * Drive improvements in the UAT process through automation. * Build automation capabilities for infrastructure testing. * Develop and enhance reusable infrastructure automation patterns to support a holistic automatio
Contract: Automation Python Developer - Start Date: ASAP - Duration: 6 months - Location: Remote working (possible occasional travel to London site) Rate: £550 - 600 a day (Deemed Inside IR35 via umbrella solution) We are urgently seeking an experienced Automation Developer (With Python and Jinja2 expertise) to join a major financial services organisation on a business-critical infrastructure modernisation and automation programme. This is a fantastic opportunity to play a key role in delivering cutting-edge automation solutions within a dynamic and forward-thinking environment. * Assist with migrating multi-tenanted network services onto a new platform. * Drive improvements in the UAT process through automation. * Build automation capabilities for infrastructure testing. * Develop and enhance reusable infrastructure automation patterns to support a holistic automatio
NEW
)
.Net Developer - GDS, OOAD, .Net Core, RESTful
.Net Developer - GDS, OOAD, .Net Core, RESTful
Hays Technology
London
£400.0 - £420.0 per annum + Up to £420pd (Outside IR35)
Strong knowledge and working use of .Net Core and RESTful web services (API).
Strong knowledge and working use of .Net Core and RESTful web services (API).
FEATURED
)
Experience with MuleSoft API management
Experience with MuleSoft API management
NEW
Job Opportunity: Salesforce Vlocity Developer - Location: Windsor, UK (Hybrid - 1 day onsite per week) Start Date: 26 May 2025 - Duration: 6 months - Rate: £550/day (Inside IR35) My long-term client is hiring an experienced Salesforce Vlocity Developer to support a key project within the Energy & Utility Cloud domain. You'll play a pivotal role in designing and developing tailored Vlocity solutions, working in a collaborative, fast-paced environment. * Design and implement custom Vlocity components (CPQ, CLM, omni-channel) * Build and manage Vlocity data models * Develop Apex, Visualforce, and Lightning Web Components * Integrate with external systems via REST/SOAP APIs * Collaborate with design, product, and operations teams * 12+ years in Salesforce development * 8+ years in Vlocity and Energy & Utility Cloud * Strong in Apex, LWC, data modeling, integration
Job Opportunity: Salesforce Vlocity Developer - Location: Windsor, UK (Hybrid - 1 day onsite per week) Start Date: 26 May 2025 - Duration: 6 months - Rate: £550/day (Inside IR35) My long-term client is hiring an experienced Salesforce Vlocity Developer to support a key project within the Energy & Utility Cloud domain. You'll play a pivotal role in designing and developing tailored Vlocity solutions, working in a collaborative, fast-paced environment. * Design and implement custom Vlocity components (CPQ, CLM, omni-channel) * Build and manage Vlocity data models * Develop Apex, Visualforce, and Lightning Web Components * Integrate with external systems via REST/SOAP APIs * Collaborate with design, product, and operations teams * 12+ years in Salesforce development * 8+ years in Vlocity and Energy & Utility Cloud * Strong in Apex, LWC, data modeling, integration
NEW
API experience with Alteryx and Workday
API experience with Alteryx and Workday
NEW
API experience with Alteryx and Workday
API experience with Alteryx and Workday
NEW
A global Tech Company requires a Contract hands on Technical OneTrust SME to support the design, configuration, and integration of OneTrust’s Data Privacy Management suite—particularly focused on DSAR automation, API-based integrations, and data redaction workflows. * Set up API integrations between OneTrust and third-party systems such as Slack, Gmail, Microsoft 365, ServiceNow, or internal databases
A global Tech Company requires a Contract hands on Technical OneTrust SME to support the design, configuration, and integration of OneTrust’s Data Privacy Management suite—particularly focused on DSAR automation, API-based integrations, and data redaction workflows. * Set up API integrations between OneTrust and third-party systems such as Slack, Gmail, Microsoft 365, ServiceNow, or internal databases
FEATUREDNEW
)
Job Description Designing, developing, and testing integration solutions using the Mulesoft Anypoint Platform. This includes creating and managing APIs, working with various integration patterns, and collaborating with other teams to ensure seamless data flow and application connectivity.
Job Description Designing, developing, and testing integration solutions using the Mulesoft Anypoint Platform. This includes creating and managing APIs, working with various integration patterns, and collaborating with other teams to ensure seamless data flow and application connectivity.
)
Draft new API extensions and write specifications.- Prototype interface changes and proposals. * Hands-on experience with one or more of the following API's: Vulkan, OpenGL ES, Metal, DirectX11 or DirectX12.
Draft new API extensions and write specifications.- Prototype interface changes and proposals. * Hands-on experience with one or more of the following API's: Vulkan, OpenGL ES, Metal, DirectX11 or DirectX12.
)
Strong understanding of data-driven services and API-led product development
Strong understanding of data-driven services and API-led product development
)
The ideal candidate will have hands-on experience with Playwright or Cypress and a solid understanding of API testing as well as a keen eye for detail. * API Tools: Java, Rest-assured, maven, JUnit, Allure * You can analyse, design and implement automated test cases for API endpoints to ensure that requirements are met, industry standards are upheld, and documentation is correct. * You have some experience designing, implementing and executing API performance and load tests. * We use gatling to drive our API tests and monitor key application metrics from these in addition to built-in response time reports.
The ideal candidate will have hands-on experience with Playwright or Cypress and a solid understanding of API testing as well as a keen eye for detail. * API Tools: Java, Rest-assured, maven, JUnit, Allure * You can analyse, design and implement automated test cases for API endpoints to ensure that requirements are met, industry standards are upheld, and documentation is correct. * You have some experience designing, implementing and executing API performance and load tests. * We use gatling to drive our API tests and monitor key application metrics from these in addition to built-in response time reports.
Related Jobs
Locations
- London
- East London
- City of London
- Central London
- South East London
- Mayfair
- Moorgate, City of London
- Southwark
- Soho, Central London
- Covent Garden
- Essex
- Kingston Upon Thames
- Dartford
- Surrey
- West London
- Bromley
- Kent
- Doncaster
- South East
- Southend-On-Sea
- South West London
- Milton Keynes
- Scotland
- Windsor
- North West London
- North London
- Maidenhead
- Manchester
- Reading
- Derby
- Edinburgh
- Chelmsford
- Hounslow
- Lincoln
- West End
- Oxford
- Sheffield
- Basildon
- Luton