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2 Contract API jobs in West End, Crewe + 20 miles
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Familiarity with databases, API design, and cross-platform development.
Familiarity with databases, API design, and cross-platform development.
Overview - We are hiring two Full-Stack Engineers to help build a new Windows-first (Linux-capable) software platform focused on imaging, visualization, AI integration, and data management. Key Responsibilities - Develop front-end features and tools using React, TypeScript, Node.js, and modern CSS. Contribute to back-end C++ microservices supporting imaging, visualization, AI pipelines, and database operations. Collaborate on architectural decisions, APIs, and system integration between front-end and C++ services. Ensure performance, stability, and usability across Windows and Linux environments. Required Skills & Experience - Strong experience with React, TypeScript, Node.js, and front-end engineering best practices. Solid C++ development capability, ideally with microservices or high-performance systems. Understanding of imaging, visualization, or compute-intensive
Overview - We are hiring two Full-Stack Engineers to help build a new Windows-first (Linux-capable) software platform focused on imaging, visualization, AI integration, and data management. Key Responsibilities - Develop front-end features and tools using React, TypeScript, Node.js, and modern CSS. Contribute to back-end C++ microservices supporting imaging, visualization, AI pipelines, and database operations. Collaborate on architectural decisions, APIs, and system integration between front-end and C++ services. Ensure performance, stability, and usability across Windows and Linux environments. Required Skills & Experience - Strong experience with React, TypeScript, Node.js, and front-end engineering best practices. Solid C++ development capability, ideally with microservices or high-performance systems. Understanding of imaging, visualization, or compute-intensive
112 exact matches jobs are outside your preferred location
Minimum of 8 years' applied experience as an API engineer * Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
Minimum of 8 years' applied experience as an API engineer * Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
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Development of API management and microservices - Working as the Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with a particular focus on the Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio - Being a key contributor and advocate of Microservice, API Management, process automations, frameworks in projects and programs - Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub - Knowledge of API-management and micro-services API integration experience.
Development of API management and microservices - Working as the Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with a particular focus on the Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio - Being a key contributor and advocate of Microservice, API Management, process automations, frameworks in projects and programs - Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub - Knowledge of API-management and micro-services API integration experience.
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Strong integration and API expertise (including REST)
Strong integration and API expertise (including REST)
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API management, iPaaS, agile delivery experience.
API management, iPaaS, agile delivery experience.
FEATURED
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Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub * Knowledge of API-management and micro-services * API integration experience.
Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub * Knowledge of API-management and micro-services * API integration experience.
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Lead Automation Test Engineer
Lead Automation Test Engineer
Vallum Associates Limited
Sheffield (S1)
From £450 to £500 per day Inside IR35
Experience of using automation tools such as Selenium web driver IO (WDIO) / Cucumber etc, Selenium for UI testing and RestAssured for API testing
Experience of using automation tools such as Selenium web driver IO (WDIO) / Cucumber etc, Selenium for UI testing and RestAssured for API testing
Proficiency in MuleSoft Anypoint Platform and API-led connectivity.
Proficiency in MuleSoft Anypoint Platform and API-led connectivity.
Proficiency in MuleSoft Anypoint Platform and API-led connectivity.
Proficiency in MuleSoft Anypoint Platform and API-led connectivity.
Join our Cloud Native Engineering Lab as a Senior Cloud Platform Engineer (GCP) and help us design, build, and operate secure, automated cloud platforms that empower product teams to deliver API-first services at pace and with confidence. * API-First Enablement: Enable API-first delivery with reusable patterns and golden paths for API producers and consumers. * Strong API design and security skills (REST/OpenAPI, authN/Z, mTLS, certificate lifecycle). o Apigee for API Management * Desirable: Harness, HashiCorp Vault, Dynatrace, Docker/buildah, NodeJS for API tooling, relevant GCP certifications. * Harness, HashiCorp Vault, Dynatrace, Docker/buildah, NodeJS for API tooling, Google Professional Cloud Architect or GCP DevOps certificatio
Join our Cloud Native Engineering Lab as a Senior Cloud Platform Engineer (GCP) and help us design, build, and operate secure, automated cloud platforms that empower product teams to deliver API-first services at pace and with confidence. * API-First Enablement: Enable API-first delivery with reusable patterns and golden paths for API producers and consumers. * Strong API design and security skills (REST/OpenAPI, authN/Z, mTLS, certificate lifecycle). o Apigee for API Management * Desirable: Harness, HashiCorp Vault, Dynatrace, Docker/buildah, NodeJS for API tooling, relevant GCP certifications. * Harness, HashiCorp Vault, Dynatrace, Docker/buildah, NodeJS for API tooling, Google Professional Cloud Architect or GCP DevOps certificatio
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Use automation tools such as Selenium WebDriver IO (WDIO), Cucumber, Selenium (UI), and RestAssured (API). * Exposure to SailPoint IdentityIQ, identity warehousing, and ingestion formats: SCIM, REST API, LDAP, OIDC, CSV. * API testing, API Gateway testing, and Batch/ETL testing.
Use automation tools such as Selenium WebDriver IO (WDIO), Cucumber, Selenium (UI), and RestAssured (API). * Exposure to SailPoint IdentityIQ, identity warehousing, and ingestion formats: SCIM, REST API, LDAP, OIDC, CSV. * API testing, API Gateway testing, and Batch/ETL testing.
Develop, execute, and maintain automated test frameworks and scripts for web, API, database, and cloud-based applications. * Hands-on experience with automation tools such as Selenium WebDriver IO (WDIO), Cucumber, Selenium UI, and RestAssured for API testing. * API Testing, API Gateway testing, Batch/ETL testing. * Experience with SailPoint IdentityIQ, identity warehousing, SCIM, REST API, LDAP, OIDC, CSV ingestion.
Develop, execute, and maintain automated test frameworks and scripts for web, API, database, and cloud-based applications. * Hands-on experience with automation tools such as Selenium WebDriver IO (WDIO), Cucumber, Selenium UI, and RestAssured for API testing. * API Testing, API Gateway testing, Batch/ETL testing. * Experience with SailPoint IdentityIQ, identity warehousing, SCIM, REST API, LDAP, OIDC, CSV ingestion.
Strong theoretical and practical knowledge of API and database testing. * Exposure to AD/ADLDS, API Gateway testing, Batch/ETL testing. * Experience with SailPoint IdentityIQ, Identity Warehousing, SCIM, REST API, LDAP, OIDC, CSV ingestion.
Strong theoretical and practical knowledge of API and database testing. * Exposure to AD/ADLDS, API Gateway testing, Batch/ETL testing. * Experience with SailPoint IdentityIQ, Identity Warehousing, SCIM, REST API, LDAP, OIDC, CSV ingestion.
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Experience of using automation tools such as Selenium web driver IO (WDIO) / Cucumber etc, Selenium for UI testing and RestAssured for API testing * Any exposure to SailPoint IdentityIQ, Identity warehousing, and working with protocols and formats for data ingestion such as SCIM, REST API, LDAP, OIDC and CSV * API Testing, API Gateway testing, Batch ETL testing * API
Experience of using automation tools such as Selenium web driver IO (WDIO) / Cucumber etc, Selenium for UI testing and RestAssured for API testing * Any exposure to SailPoint IdentityIQ, Identity warehousing, and working with protocols and formats for data ingestion such as SCIM, REST API, LDAP, OIDC and CSV * API Testing, API Gateway testing, Batch ETL testing * API
FEATURED
Strong, theoretical, and practical knowledge of API and Database testing
Strong, theoretical, and practical knowledge of API and Database testing
FEATURED
Experience of using automation tools such as Selenium web driver IO (WDIO) / Cucumber etc, Selenium for UI testing and RestAssured for API testing * Any exposure to SailPoint IdentityIQ, Identity warehousing, and working with protocols and formats for data ingestion such as SCIM, REST API, LDAP, OIDC and CSV * API Testing, API Gateway testing, Batch ETL testing * API
Experience of using automation tools such as Selenium web driver IO (WDIO) / Cucumber etc, Selenium for UI testing and RestAssured for API testing * Any exposure to SailPoint IdentityIQ, Identity warehousing, and working with protocols and formats for data ingestion such as SCIM, REST API, LDAP, OIDC and CSV * API Testing, API Gateway testing, Batch ETL testing * API
FEATURED
Minimum of 15 years applied experience as an API engineer * Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
Minimum of 15 years applied experience as an API engineer * Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
The ideal candidate should not only have technical proficiency in data structures, automation technologies, API interactions, and cloud services, but also exhibit a strong drive to research, investigate, and collaborate effectively within the organization. Experience with API development and integrations with platforms such as Kong API Gateway (ideal), Apigee, AWS API GW, Azure API GW, etc API Integration and Management: Expertise in querying, integrating, and managing APIs. Capable of constructing and executing API calls for data retrieval, updates, and inter-service communication.
The ideal candidate should not only have technical proficiency in data structures, automation technologies, API interactions, and cloud services, but also exhibit a strong drive to research, investigate, and collaborate effectively within the organization. Experience with API development and integrations with platforms such as Kong API Gateway (ideal), Apigee, AWS API GW, Azure API GW, etc API Integration and Management: Expertise in querying, integrating, and managing APIs. Capable of constructing and executing API calls for data retrieval, updates, and inter-service communication.
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Fullstack Java Software Engineer – 6 Month Contract - Hybrid 2-3 days a week in office in Manchester or Gloucester | DV Cleared - I'm working with a technology and engineering business who are after a Full Stack Software Engineer to join their team working on high-impact projects within the national security space. They’re trusted partners to government and defence clients, building mission-critical software that helps keep the UK safe. Expect a mix of work across AI, Cyber, Cloud, and Platform Engineering — proper engineering challenges with real-world impact. You’ll be hands-on across the stack, developing APIs, data layers, and slick UIs, while collaborating with customers and researchers to turn ideas into working solutions. What They’re After * Strong Java / Spring Boot * Ideally React/Typescript experience * Solid grasp of testing and agile ways of working
Fullstack Java Software Engineer – 6 Month Contract - Hybrid 2-3 days a week in office in Manchester or Gloucester | DV Cleared - I'm working with a technology and engineering business who are after a Full Stack Software Engineer to join their team working on high-impact projects within the national security space. They’re trusted partners to government and defence clients, building mission-critical software that helps keep the UK safe. Expect a mix of work across AI, Cyber, Cloud, and Platform Engineering — proper engineering challenges with real-world impact. You’ll be hands-on across the stack, developing APIs, data layers, and slick UIs, while collaborating with customers and researchers to turn ideas into working solutions. What They’re After * Strong Java / Spring Boot * Ideally React/Typescript experience * Solid grasp of testing and agile ways of working
FEATURED
Managed File Transfer (MFT) Integration Specialist * Telford, UK (Hybrid - 2 days onsite) * Contract:8 weeks + extension * £450/day (Inside IR35) * Immediate Start - A leading global digital transformation organisation delivering innovative technology solutions across multiple industries. We are currently seeking an experienced MFT Integration Specialist to support a high-impact citizen-centric programme. The role focuses on integrating MFT platforms with MuleSoft APIs to ensure compliant and reliable data exchange. * Configure and manage MFT platforms (Axway, IBM Sterling, GoAnywhere). * Build MuleSoft integrations and APIs for MFT workflows. * Ensure security, encryption, and regulatory compliance. * Collaborate with UX, backend, and infrastructure teams. * Support solution design and technical discussions. * Strong MFT & MuleSoft integration experience.
Managed File Transfer (MFT) Integration Specialist * Telford, UK (Hybrid - 2 days onsite) * Contract:8 weeks + extension * £450/day (Inside IR35) * Immediate Start - A leading global digital transformation organisation delivering innovative technology solutions across multiple industries. We are currently seeking an experienced MFT Integration Specialist to support a high-impact citizen-centric programme. The role focuses on integrating MFT platforms with MuleSoft APIs to ensure compliant and reliable data exchange. * Configure and manage MFT platforms (Axway, IBM Sterling, GoAnywhere). * Build MuleSoft integrations and APIs for MFT workflows. * Ensure security, encryption, and regulatory compliance. * Collaborate with UX, backend, and infrastructure teams. * Support solution design and technical discussions. * Strong MFT & MuleSoft integration experience.
FEATURED
Role/Job Title: Full Stack Developer - Work Location: Manchester - Role Type: Contracting - Mode of Working: Hybrid - If Hybrid, In-Office Days: Tuesday / Wednesday / Thursday - The Role - Looking for a Full Stack Engineer to join the Product Team embracing new ways of working (NWoW) in the UK Personal Investor (UKPI) division. We are rapidly expanding our European technological presence, making this an exciting opportunity to join the team, influence direction, and learn about the Investment Management apparatus. * Work with leading technologies using Angular and AWS. * Use agile methodologies and a continuous delivery pipeline. * Build applications related to client journeys for Transfers & Onboarding across all products (ISA, SIPP, JISA, GA). * Demonstrate self-starter qualities, problem-solving aptitude, and attention to testing and documentation.
Role/Job Title: Full Stack Developer - Work Location: Manchester - Role Type: Contracting - Mode of Working: Hybrid - If Hybrid, In-Office Days: Tuesday / Wednesday / Thursday - The Role - Looking for a Full Stack Engineer to join the Product Team embracing new ways of working (NWoW) in the UK Personal Investor (UKPI) division. We are rapidly expanding our European technological presence, making this an exciting opportunity to join the team, influence direction, and learn about the Investment Management apparatus. * Work with leading technologies using Angular and AWS. * Use agile methodologies and a continuous delivery pipeline. * Build applications related to client journeys for Transfers & Onboarding across all products (ISA, SIPP, JISA, GA). * Demonstrate self-starter qualities, problem-solving aptitude, and attention to testing and documentation.
Greetings, We are hiring for a Technical Business Analyst Position in Sheffield - 3 days onsite - Hybrid - 6-month contract - Key Responsibilities * Gather, document, and analyze business requirements from stakeholders. * Translate business needs into technical specifications for development and DevOps teams. * Collaborate with cross-functional teams to design and implement scalable solutions. * Support the creation and maintenance of CI/CD pipelines using tools like Jenkins, GitHub Actions, and Azure DevOps. * Manage and optimize artifact repositories using Nexus or JFrog Artifactory. * Facilitate sprint planning, backlog grooming, and retrospectives in Agile/Scrum environments. * Monitor KPIs and provide data-driven recommendations for process improvements. * Ensure traceability of requirements through testing and deployment phases.
Greetings, We are hiring for a Technical Business Analyst Position in Sheffield - 3 days onsite - Hybrid - 6-month contract - Key Responsibilities * Gather, document, and analyze business requirements from stakeholders. * Translate business needs into technical specifications for development and DevOps teams. * Collaborate with cross-functional teams to design and implement scalable solutions. * Support the creation and maintenance of CI/CD pipelines using tools like Jenkins, GitHub Actions, and Azure DevOps. * Manage and optimize artifact repositories using Nexus or JFrog Artifactory. * Facilitate sprint planning, backlog grooming, and retrospectives in Agile/Scrum environments. * Monitor KPIs and provide data-driven recommendations for process improvements. * Ensure traceability of requirements through testing and deployment phases.
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Mobile Backend Developer (JAVA/Kotlin)
Mobile Backend Developer (JAVA/Kotlin)
Stackstudio Digital Ltd.
Manchester (M1)
From £450 to £500 per day
Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design - Understanding of API design for mobile application with event driven architecture - Other technologies/areas: AWS, API Design, Automation testing
Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design - Understanding of API design for mobile application with event driven architecture - Other technologies/areas: AWS, API Design, Automation testing
Hands on experience in API Management, integration of API with third party applications.
Hands on experience in API Management, integration of API with third party applications.