Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
14 Contract API jobs in The City, City of London + 20 miles
178 exact matches jobs are outside your preferred location
Experience and knowledge of API testing and the use of Postman
Experience and knowledge of API testing and the use of Postman
Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development
Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development
Experience with ARTIQ systems, or controlling hardware via python API.
Experience with ARTIQ systems, or controlling hardware via python API.
NEW
API Testing: Ability to test APIs using tools like Postman or Swagger.
API Testing: Ability to test APIs using tools like Postman or Swagger.
2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
NEW
Experience in REST API service development a plus
Experience in REST API service development a plus
Experience in API design, integration, and management for building systems interoperability, including RESTful services, GraphQL, and real-time data streaming protocols.
Experience in API design, integration, and management for building systems interoperability, including RESTful services, GraphQL, and real-time data streaming protocols.
Technical skills: Comfortable using browser developer tools and familiar with basic API testing (Postman experience preferred)
Technical skills: Comfortable using browser developer tools and familiar with basic API testing (Postman experience preferred)
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
)
Create and manage REST/SOAP API integrations with third-party systems.
Create and manage REST/SOAP API integrations with third-party systems.
)
A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
NEWFEATURED
)
Role: .NET Developer - IR35 Status: Outside IR35 - Day Rate: £400.00 - Location: Remote - Contract Length: 3 Months Initially (Highly Likely To Extend) Start Date: Immediate - Overview - We are seeking a Developer to join the agile delivery team supporting the development of a major government digital platform. You will be responsible for developing secure, performant, and maintainable features, working across both front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning, and continuous improvement. Key Responsibilities * Design, build, test, and deploy robust software components using modern development tools and approac
Role: .NET Developer - IR35 Status: Outside IR35 - Day Rate: £400.00 - Location: Remote - Contract Length: 3 Months Initially (Highly Likely To Extend) Start Date: Immediate - Overview - We are seeking a Developer to join the agile delivery team supporting the development of a major government digital platform. You will be responsible for developing secure, performant, and maintainable features, working across both front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning, and continuous improvement. Key Responsibilities * Design, build, test, and deploy robust software components using modern development tools and approac
)
Day Rate: £500 - £700 - Duration: 6 months - IR35: Outside Scope - Overview - Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
Day Rate: £500 - £700 - Duration: 6 months - IR35: Outside Scope - Overview - Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
)
Job Title: Software Engineer - Job Type: Contract - Location: Remote - Key Responsibilities - Gather and analyze integration requirements and translate them into SnapLogic solutions. Design, develop, and maintain SnapLogic pipelines for diverse integration needs. Deploy, test, and optimize integration workflows for efficiency and reliability. Manage error handling, logging, and monitoring of pipelines. Ensure best practices are followed in development and deployment processes. Work closely with stakeholders, cross-functional teams, and business users to deliver solutions on time. Provide ongoing support, troubleshooting, and enhancements for existing integrations. Required Qualifications - Proven experience as a SnapLogic Developer/Engineer. Strong expertise in SnapLogic pipeline design, integration patterns, and deployment.
Job Title: Software Engineer - Job Type: Contract - Location: Remote - Key Responsibilities - Gather and analyze integration requirements and translate them into SnapLogic solutions. Design, develop, and maintain SnapLogic pipelines for diverse integration needs. Deploy, test, and optimize integration workflows for efficiency and reliability. Manage error handling, logging, and monitoring of pipelines. Ensure best practices are followed in development and deployment processes. Work closely with stakeholders, cross-functional teams, and business users to deliver solutions on time. Provide ongoing support, troubleshooting, and enhancements for existing integrations. Required Qualifications - Proven experience as a SnapLogic Developer/Engineer. Strong expertise in SnapLogic pipeline design, integration patterns, and deployment.
)
Configure and support Axway solutions, including API management and B2B gateway. * Working knowledge of Axway technologies, particularly API management and B2B gateway.
Configure and support Axway solutions, including API management and B2B gateway. * Working knowledge of Axway technologies, particularly API management and B2B gateway.
NEWPREMIUM
)
Utilise knowledge of AWS services such as Lambda, DynamoDB, S3, SNS, Lex, Bedrock, API Gateway, and Pinpoint to support contact centre solution development.
Utilise knowledge of AWS services such as Lambda, DynamoDB, S3, SNS, Lex, Bedrock, API Gateway, and Pinpoint to support contact centre solution development.
NEW
Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
NEW
Web & API Development: RESTful APIs, Web Technologies, Microservices
Web & API Development: RESTful APIs, Web Technologies, Microservices
Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
NEW
Develop API-based interfaces that meet high standards and comply with industry regulations.
Develop API-based interfaces that meet high standards and comply with industry regulations.
NEW
Familiarity with relevant standards (DNV, API, ISO) and regulatory frameworks.
Familiarity with relevant standards (DNV, API, ISO) and regulatory frameworks.
About the Role - Constructors Solutions Architects are responsible for driving a diverse set of product initiatives and technical outcomes with our current client base and, often, with prospective customers. You will play a crucial role in the growth and retention of our customers by providing a unique combination of technical expertise and strategic vision to support their eCommerce and overall business objectives. This is not a role focused on demonstrating and clicking through a piece of vendor software. You will collaborate closely with our customers, understanding their needs and goals, effectively demonstrating how Constructors AI-Powered eCommerce Search and Product Discovery Platform can be optimized to meet and exceed their expectations. Your strong technical background, combined with effective communication and a penchant for problem solving will be key in .
About the Role - Constructors Solutions Architects are responsible for driving a diverse set of product initiatives and technical outcomes with our current client base and, often, with prospective customers. You will play a crucial role in the growth and retention of our customers by providing a unique combination of technical expertise and strategic vision to support their eCommerce and overall business objectives. This is not a role focused on demonstrating and clicking through a piece of vendor software. You will collaborate closely with our customers, understanding their needs and goals, effectively demonstrating how Constructors AI-Powered eCommerce Search and Product Discovery Platform can be optimized to meet and exceed their expectations. Your strong technical background, combined with effective communication and a penchant for problem solving will be key in .
Experience designing and managing API-based integrations and middleware tools (e.g., Zapier, Workato, Tray.io)
Experience designing and managing API-based integrations and middleware tools (e.g., Zapier, Workato, Tray.io)
NEW
Description - You will dive deep into the realms of technological marvels, crafting the backbone of an educational revolution. With each line of code, you'll navigate through uncharted waters, shaping a world where learning transcends boundaries. Ready your sails for a journey where your work illuminates the path to discovery and knowledge for learners across the globe. This isn't just a role; it's your mark on the future of digital education. * Design, code, test, debug, and document software applications using .NET, cloud and related technologies. * Ensure the performance, quality, and responsiveness of applications. * Collaborate with the team to define, design, and ship new features. * Work with project leaders, product owners, and developers to understand business requirements and translate them into technical solutions.
Description - You will dive deep into the realms of technological marvels, crafting the backbone of an educational revolution. With each line of code, you'll navigate through uncharted waters, shaping a world where learning transcends boundaries. Ready your sails for a journey where your work illuminates the path to discovery and knowledge for learners across the globe. This isn't just a role; it's your mark on the future of digital education. * Design, code, test, debug, and document software applications using .NET, cloud and related technologies. * Ensure the performance, quality, and responsiveness of applications. * Collaborate with the team to define, design, and ship new features. * Work with project leaders, product owners, and developers to understand business requirements and translate them into technical solutions.
Hands-on API experience youve owned partner integrations end-to-end.
Hands-on API experience youve owned partner integrations end-to-end.