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2 Contract API jobs in West End, Crewe + 20 miles
Role Title: API Security Architect "We are looking for an API Security Architect to define, design, and oversee the implementation of enterprise-grade API security architecture. * Design end-to-end API security architecture across cloud and on-premise environments. * Define API security standards covering authentication, authorization, encryption, and threat protection. * Lead architectural reviews, threat modelling, and risk assessments for API integrations. * Select, architect, and optimize API gateways, WAFs, and security controls. * Provide security governance for API development, lifecycle management, and CI/CD practices. * Oversee remediation strategies for API vulnerabilities and guide architecture improvements. * Proven experience in API security architecture within large-scale environments. * Expertise in API gateways (Apigee, Azure API Management, Kong, Mulesoft).
Role Title: API Security Architect "We are looking for an API Security Architect to define, design, and oversee the implementation of enterprise-grade API security architecture. * Design end-to-end API security architecture across cloud and on-premise environments. * Define API security standards covering authentication, authorization, encryption, and threat protection. * Lead architectural reviews, threat modelling, and risk assessments for API integrations. * Select, architect, and optimize API gateways, WAFs, and security controls. * Provide security governance for API development, lifecycle management, and CI/CD practices. * Oversee remediation strategies for API vulnerabilities and guide architecture improvements. * Proven experience in API security architecture within large-scale environments. * Expertise in API gateways (Apigee, Azure API Management, Kong, Mulesoft).
Basics of API and data flows.
Basics of API and data flows.
81 exact matches jobs are outside your preferred location
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Card Solutions Architects - Contract role - Sheffield - Immediate
Card Solutions Architects - Contract role - Sheffield - Immediate
StrategicsIQ Ltd
Sheffield (S1)
Unspecified
Promote adoption of modern engineering practices including microservices, API-first design, and domain-driven design * Channels: Experience designing across web, mobile, API gateways, and backend orchestration layers
Promote adoption of modern engineering practices including microservices, API-first design, and domain-driven design * Channels: Experience designing across web, mobile, API gateways, and backend orchestration layers
FEATURED
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Java Software Developer (Inside IR35) - Contract
Java Software Developer (Inside IR35) - Contract
Stealth IT Consulting Limited
Manchester (M1)
Up to £476 per day Up to £476 per day
Contribute to API development, integration, and backend service build.
Contribute to API development, integration, and backend service build.
FEATURED
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Senior SAP Functional Consultant
Senior SAP Functional Consultant
Stackstudio Digital Ltd.
Birmingham, West Midlands
From £400 to £450 per day
The role requires strong cross module and integration experience, including IDoc, SAP Proxy, and API based integrations, in complex SAP landscapes. Manage and support integrations using IDoc, SAP Proxy, and API (REST/SOAP)
The role requires strong cross module and integration experience, including IDoc, SAP Proxy, and API based integrations, in complex SAP landscapes. Manage and support integrations using IDoc, SAP Proxy, and API (REST/SOAP)
Senior SAP Functional Consultant
Senior SAP Functional Consultant
Stackstudio Digital Ltd.
Leicester, Leicestershire
From £400 to £450 per day
The role requires strong cross module and integration experience, including IDoc, SAP Proxy, and API based integrations, in complex SAP landscapes. Manage and support integrations using IDoc, SAP Proxy, and API (REST/SOAP)
The role requires strong cross module and integration experience, including IDoc, SAP Proxy, and API based integrations, in complex SAP landscapes. Manage and support integrations using IDoc, SAP Proxy, and API (REST/SOAP)
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A consultancy we are working with are looking for a Senior .NET Developer to support and enhance a suite of business critical applications. This is a backend-focused role, and the successful candidate must be able to take ownership quickly and deliver impact from day one. Key Responsibilities * Develop and maintain complex backend systems using C# / .NET Core * Design and support RESTful APIs and microservices * Build and maintain CI/CD pipelines (Azure DevOps, YAML, Terraform) * Deliver integration and data migration solutions - Essential Skills * 10+ years' C# / .NET Core (backend-heavy systems) * Strong Azure experience (Functions, Web Apps, DevOps, CI/CD) * REST APIs and microservices architecture * Experience with complex, data-driven or integration-heavy environments - Desirable * RabbitMQ or Azure Service Bus * React or Angular * ETL / data integration
A consultancy we are working with are looking for a Senior .NET Developer to support and enhance a suite of business critical applications. This is a backend-focused role, and the successful candidate must be able to take ownership quickly and deliver impact from day one. Key Responsibilities * Develop and maintain complex backend systems using C# / .NET Core * Design and support RESTful APIs and microservices * Build and maintain CI/CD pipelines (Azure DevOps, YAML, Terraform) * Deliver integration and data migration solutions - Essential Skills * 10+ years' C# / .NET Core (backend-heavy systems) * Strong Azure experience (Functions, Web Apps, DevOps, CI/CD) * REST APIs and microservices architecture * Experience with complex, data-driven or integration-heavy environments - Desirable * RabbitMQ or Azure Service Bus * React or Angular * ETL / data integration
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Full Stack Engineer (Java / ReactJS)
Full Stack Engineer (Java / ReactJS)
Shillito Executive Search Ltd
Sheffield (S1)
£520.00 - £525.00 per day
Adept Resourcing are recruiting on behalf of a Tier-one bank, on a ongoing KYC project, looking for Full Stack Engineers (Java / ReactJS) for an initial 6 month project (highly likely to renew). This is a hybrid role, with 3 days a week in the Sheffield office. Responsibilities * Hands-on development, delivering production-grade code aligned to a microservices-based architecture * Supporting system architecture and design in line with engineering best practices * Maintaining awareness of business, engineering, and non-functional requirements * Driving and contributing to a strong engineering culture across teams * Collaborating with global teams across multiple regions * Proactively identifying risks, removing impediments, and communicating issues to programme management * Identifying process inefficiencies and implementing innovative, programmatic improvements
Adept Resourcing are recruiting on behalf of a Tier-one bank, on a ongoing KYC project, looking for Full Stack Engineers (Java / ReactJS) for an initial 6 month project (highly likely to renew). This is a hybrid role, with 3 days a week in the Sheffield office. Responsibilities * Hands-on development, delivering production-grade code aligned to a microservices-based architecture * Supporting system architecture and design in line with engineering best practices * Maintaining awareness of business, engineering, and non-functional requirements * Driving and contributing to a strong engineering culture across teams * Collaborating with global teams across multiple regions * Proactively identifying risks, removing impediments, and communicating issues to programme management * Identifying process inefficiencies and implementing innovative, programmatic improvements
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Initial 9 Month Contract - 2 days per week on site (remainder working from home) Warton, Lancashire £72.54 Per Hour (Umbrella Rate - Inside IR35) The Role * Lead the design and implementation of Teamcenter architecture, including Database Server, Application Server, Web Server, Dispatcher, and related components. * Define PLM system architecture aligned with enterprise digital transformation goals. * Work with TOGAF, DODAF, ArchiMate or similar architecture frameworks to build enterprise PLM roadmaps. * Enable and implement end-to-end Digital Thread / Digital Twin solutions across engineering, manufacturing, and service domains. * Develop and consume web services and SOA APIs for downstream and upstream system integrations. * Develop custom Teamcenter server-side extensions, handlers, and business logic using Java, C++, or C#.
Initial 9 Month Contract - 2 days per week on site (remainder working from home) Warton, Lancashire £72.54 Per Hour (Umbrella Rate - Inside IR35) The Role * Lead the design and implementation of Teamcenter architecture, including Database Server, Application Server, Web Server, Dispatcher, and related components. * Define PLM system architecture aligned with enterprise digital transformation goals. * Work with TOGAF, DODAF, ArchiMate or similar architecture frameworks to build enterprise PLM roadmaps. * Enable and implement end-to-end Digital Thread / Digital Twin solutions across engineering, manufacturing, and service domains. * Develop and consume web services and SOA APIs for downstream and upstream system integrations. * Develop custom Teamcenter server-side extensions, handlers, and business logic using Java, C++, or C#.
Senior Teamcenter Developer – Teamcenter Migration Project
Senior Teamcenter Developer – Teamcenter Migration Project
Stackstudio Digital Ltd.
Birmingham (B1)
From £500 to £525 per day
Role / Job Title: Senior Teamcenter Developer Teamcenter Migration Project - Work Location: Plots 1 & 2, Prologis Park Interchange, Progress Way, Birmingham B40 1AB - Mode of Working:Onsite - Duration:6 Months * Apply PLM and Teamcenter expertise to transformation programmes where robust engineering data management directly strengthens how organisations innovate and deliver value to their customers. * Lead complex Teamcenter customisation and migration initiatives-ensuring data integrity, seamless integrations, and scalable architectures that support long term business growth. * To collaborate with global teams, bringing technical leadership, problem solving capability, and a continuous improvement mindset to deliver PLM solutions that truly elevate client operations. The Role - Experienced Senior Teamcenter Developer to support Teamcenter migration and transformation program.
Role / Job Title: Senior Teamcenter Developer Teamcenter Migration Project - Work Location: Plots 1 & 2, Prologis Park Interchange, Progress Way, Birmingham B40 1AB - Mode of Working:Onsite - Duration:6 Months * Apply PLM and Teamcenter expertise to transformation programmes where robust engineering data management directly strengthens how organisations innovate and deliver value to their customers. * Lead complex Teamcenter customisation and migration initiatives-ensuring data integrity, seamless integrations, and scalable architectures that support long term business growth. * To collaborate with global teams, bringing technical leadership, problem solving capability, and a continuous improvement mindset to deliver PLM solutions that truly elevate client operations. The Role - Experienced Senior Teamcenter Developer to support Teamcenter migration and transformation program.
Implementation Specialist – E-Invoicing
Implementation Specialist – E-Invoicing
Stackstudio Digital Ltd.
Birmingham (B1)
From £300 to £350 per day
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
Implementation Specialist – E-Invoicing
Implementation Specialist – E-Invoicing
Stackstudio Digital Ltd.
Manchester (M1)
From £300 to £350 per day
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
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Derbyshire | Hybrid - c£75,000 - Fixed Term Contract | for 6 months - 3 days a week - Part time - This is a hands-on consultancy role sitting at the intersection of IT and business operations, working closely with Finance, Sales, Operations and Account Management to make sure these systems are configured, stable, and embedded for the long term. * Administer and optimise NetSuite across modules including SA, GL, AR, AP, FAM, CRM, WMS, Projects and more * Conduct structured process reviews with business teams and translate requirements into system design and configuration * Build and maintain dashboards, saved searches, and reports that drive genuine business insight * Support ETL activities and oversee integrations with internal and third-party platforms * Deliver targeted training and documentation to upskill internal teams for long-term ownership
Derbyshire | Hybrid - c£75,000 - Fixed Term Contract | for 6 months - 3 days a week - Part time - This is a hands-on consultancy role sitting at the intersection of IT and business operations, working closely with Finance, Sales, Operations and Account Management to make sure these systems are configured, stable, and embedded for the long term. * Administer and optimise NetSuite across modules including SA, GL, AR, AP, FAM, CRM, WMS, Projects and more * Conduct structured process reviews with business teams and translate requirements into system design and configuration * Build and maintain dashboards, saved searches, and reports that drive genuine business insight * Support ETL activities and oversee integrations with internal and third-party platforms * Deliver targeted training and documentation to upskill internal teams for long-term ownership
FEATURED
Initial 9 Month Contract - 2 days per week on site (remainder working from home) Warton, Lancashire £72.54 Per Hour (Umbrella Rate - Inside IR35) The Role * Lead the design and implementation of Teamcenter architecture, including Database Server, Application Server, Web Server, Dispatcher, and related components. * Define PLM system architecture aligned with enterprise digital transformation goals. * Work with TOGAF, DODAF, ArchiMate or similar architecture frameworks to build enterprise PLM roadmaps. * Enable and implement end-to-end Digital Thread / Digital Twin solutions across engineering, manufacturing, and service domains. * Develop and consume web services and SOA APIs for downstream and upstream system integrations. * Develop custom Teamcenter server-side extensions, handlers, and business logic using Java, C++, or C#.
Initial 9 Month Contract - 2 days per week on site (remainder working from home) Warton, Lancashire £72.54 Per Hour (Umbrella Rate - Inside IR35) The Role * Lead the design and implementation of Teamcenter architecture, including Database Server, Application Server, Web Server, Dispatcher, and related components. * Define PLM system architecture aligned with enterprise digital transformation goals. * Work with TOGAF, DODAF, ArchiMate or similar architecture frameworks to build enterprise PLM roadmaps. * Enable and implement end-to-end Digital Thread / Digital Twin solutions across engineering, manufacturing, and service domains. * Develop and consume web services and SOA APIs for downstream and upstream system integrations. * Develop custom Teamcenter server-side extensions, handlers, and business logic using Java, C++, or C#.
Role/Job title: Starburst Developer - Work Location: London (2 days in a week MUFG Client Office) The Role - Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile - Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
Role/Job title: Starburst Developer - Work Location: London (2 days in a week MUFG Client Office) The Role - Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile - Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
Role/Job title: Starburst Developer - Work Location: London (2 days in a week MUFG Client Office) The Role - Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile - Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
Role/Job title: Starburst Developer - Work Location: London (2 days in a week MUFG Client Office) The Role - Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile - Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
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As a Data Platform Engineer in a highly regulated environment, you will be responsible for designing, building, and maintaining secure and scalable data infrastructure that supports both cloud and on premises platforms. You will play a key role in ensuring that all data systems comply with industry regulations and security standards while enabling efficient access for analytics and operational teams. A strong command of Apache NiFi is essential for this role. You will design, implement, and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies. You’ll work closely with cross-functional teams including data architects, compliance officers, and ...
As a Data Platform Engineer in a highly regulated environment, you will be responsible for designing, building, and maintaining secure and scalable data infrastructure that supports both cloud and on premises platforms. You will play a key role in ensuring that all data systems comply with industry regulations and security standards while enabling efficient access for analytics and operational teams. A strong command of Apache NiFi is essential for this role. You will design, implement, and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies. You’ll work closely with cross-functional teams including data architects, compliance officers, and ...
PREMIUM
Initial 9 Month Contract - 2 days per week on site (remainder working from home) Warton, Lancashire £72.54 Per Hour (Umbrella Rate - Inside IR35) The Role * Lead the design and implementation of Teamcenter architecture, including Database Server, Application Server, Web Server, Dispatcher, and related components. * Define PLM system architecture aligned with enterprise digital transformation goals. * Work with TOGAF, DODAF, ArchiMate or similar architecture frameworks to build enterprise PLM roadmaps. * Enable and implement end-to-end Digital Thread / Digital Twin solutions across engineering, manufacturing, and service domains. * Develop and consume web services and SOA APIs for downstream and upstream system integrations. * Develop custom Teamcenter server-side extensions, handlers, and business logic using Java, C++, or C#.
Initial 9 Month Contract - 2 days per week on site (remainder working from home) Warton, Lancashire £72.54 Per Hour (Umbrella Rate - Inside IR35) The Role * Lead the design and implementation of Teamcenter architecture, including Database Server, Application Server, Web Server, Dispatcher, and related components. * Define PLM system architecture aligned with enterprise digital transformation goals. * Work with TOGAF, DODAF, ArchiMate or similar architecture frameworks to build enterprise PLM roadmaps. * Enable and implement end-to-end Digital Thread / Digital Twin solutions across engineering, manufacturing, and service domains. * Develop and consume web services and SOA APIs for downstream and upstream system integrations. * Develop custom Teamcenter server-side extensions, handlers, and business logic using Java, C++, or C#.
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API design, microservices, integration platforms.
API design, microservices, integration platforms.
FEATURED
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Mobile Backend Developer - Kotlin and java - Manchester, UK
Mobile Backend Developer - Kotlin and java - Manchester, UK
Infoplus Technologies UK Ltd
Manchester (M4)
Unspecified
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
Senior Automation Tester - Flutter, Agentic AI & API Systems
Senior Automation Tester - Flutter, Agentic AI & API Systems
DeliveryApp
Manchester, Greater Manchester
Competitive
Expect to tackle complex challenges involving deep API validation, mobile performance strategy, and seamless CI/CD integration to protect our core mobile and backend ecosystem. The Role This role is the quality guardian of our mobile and API ecosystem. * API Testing: Postman / Newman * API Mastery: Deep API validation and contract testing.
Expect to tackle complex challenges involving deep API validation, mobile performance strategy, and seamless CI/CD integration to protect our core mobile and backend ecosystem. The Role This role is the quality guardian of our mobile and API ecosystem. * API Testing: Postman / Newman * API Mastery: Deep API validation and contract testing.
We are not looking for someone to build simple API wrappers. * API Design: REST and GraphQL
We are not looking for someone to build simple API wrappers. * API Design: REST and GraphQL
APIs RESTful API development and consumption
APIs RESTful API development and consumption
Strong database and API development experience
Strong database and API development experience
Are technical proficient in API integration using JavaScript, TypeScript, or Python
Are technical proficient in API integration using JavaScript, TypeScript, or Python