1 to 25 of 49 Permanent API Design Jobs in the North of England

to drive the development of a robust and scalable application landscape across our five business units. This permanent role demands expertise in traditional system design, software development, and integration architecture, focusing on seamless connectivity between in-house systems and external SaaS technologies. You will translate business requirements into strategic … will ensure the architectural impact of new technologies aligns with our existing systems, maintain thorough documentation, and leverage your understanding of cloud technologies and API design to foster efficient and secure integrations. Strong communication skills are essential for collaborating with both technical and non-technical stakeholders, ensuring our … This role is based at our Blackpool office. We offer hybrid working options. You'll make a major contribution by demonstrating... Accountabilities Azure Architecture & Design: Design and implement scalable, secure, and reliable Azure-based system architectures. Define and enforce architectural standards and best practices for Azure services and More ❯

to drive the development of a robust and scalable application landscape across our five business units. This permanent role demands expertise in traditional system design, software development, and integration architecture, focusing on seamless connectivity between in-house systems and external SaaS technologies. You will translate business requirements into strategic … will ensure the architectural impact of new technologies aligns with our existing systems, maintain thorough documentation, and leverage your understanding of cloud technologies and API design to foster efficient and secure integrations. Strong communication skills are essential for collaborating with both technical and non-technical stakeholders, ensuring our … This role is based at our Blackpool office. We offer hybrid working options. You'll make a major contribution by demonstrating... Accountabilities Azure Architecture & Design: Design and implement scalable, secure, and reliable Azure-based system architectures. Define and enforce architectural standards and best practices for Azure services and More ❯

Job Title: API designer Pay rate: Up to £393 per day INSIDE IR35 Location: Knutsford Duration: End of July Responsibilities: Accountable for delivering effective solution designs within the Open Banking COE, taking the lead on the solution design from an API design and API Security … perspective Design end-to-end API solutions to meet business needs within the context of a broader solution implementation Contributor to overall solution planning, providing input into the estimation process as well as highlighting technical risks, issues, and assumptions Define and derive best practices in the API space, adopting industry best practices and highlighting areas of improvements Produce required design artefacts, independently or as part of a team Engage with key stakeholders in workshops to get desired outcome Present to the Customer's Architecture Review Board when necessary Ensure solutions align with strategic architecture principles More ❯

Job Title: API designer Pay rate: Up to £393 per day INSIDE IR35 Location: Knutsford Duration: End of July Responsibilities: Accountable for delivering effective solution designs within the Open Banking COE, taking the lead on the solution design from an API design and API Security … perspective Design end-to-end API solutions to meet business needs within the context of a broader solution implementation Contributor to overall solution planning, providing input into the estimation process as well as highlighting technical risks, issues, and assumptions Define and derive best practices in the API space, adopting industry best practices and highlighting areas of improvements Produce required design artefacts, independently or as part of a team Engage with key stakeholders in workshops to get desired outcome Present to the Customer's Architecture Review Board when necessary Ensure solutions align with strategic architecture principles More ❯

recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Description: Role:API designer Pay rate: 402 GBP/day inside IR35 Location: Knutsford (Hybrid) Duration: End of July 2025 Description: Accountable for delivering effective solution designs … within the Open Banking COE taking the lead on the solution design from an API design and API Security perspective Design end-to-end API solutions to meet business needs within the context of a broader solution implementation Contributor to overall solution planning, providing … input into the estimation process as well as highlighting technical risks, issues, and assumptions Define and derive best practices in the API space, adopting industry best practices and highlighting areas of improvements Produce required design artefacts, independently or as part of a team Engage with key stakeholders in More ❯

Computers/Software Relevant Experience Required: 3+ years in Leading the Development Team, 5+ years in software development using C# and .NET, including REST API design Work Location: Manchester, UK Must be currently based in Manchester, UK, or Willing to relocate to Manchester, UK from anywhere within Europe … CI/CD, and DevOps to improve efficiency and speed to market Collaborate with business stakeholders to translate requirements into technical roadmaps Oversee architecture, design, and resource planning to ensure maintainability and scalability Top 5 Essential Skills Proven leadership in managing and scaling software development teams Strong expertise in … C# and .NET development, including REST API design Deep understanding of Agile and DevOps methodologies Hands-on experience with cloud-native development, preferably on Azure Ability to balance multiple projects while upholding technical excellence Top 5 Optional Skills Degree in Computer Science or related field Experience delivering large More ❯

Computers/Software Relevant Experience Required: 3+ years in Leading the Development Team, 5+ years in software development using C# and .NET, including REST API design Work Location: Manchester, UK Must be currently based in Manchester, UK, or Willing to relocate to Manchester, UK from anywhere within Europe … CI/CD, and DevOps to improve efficiency and speed to market Collaborate with business stakeholders to translate requirements into technical roadmaps Oversee architecture, design, and resource planning to ensure maintainability and scalability Top 5 Essential Skills Proven leadership in managing and scaling software development teams Strong expertise in … C# and .NET development, including REST API design Deep understanding of Agile and DevOps methodologies Hands-on experience with cloud-native development, preferably on Azure Ability to balance multiple projects while upholding technical excellence Top 5 Optional Skills Degree in Computer Science or related field Experience delivering large More ❯

Permanent VP Level Solution Architect - SDLC - TOGAF - Agile - Cards & Payments - AWS/Azure Purpose of the role To design, develop, and implement solutions to complex business problems, collaborating with stakeholders to understand their needs and requirements, and design and implement solutions that meet those needs and create solutions … on technology-driven innovation. Practical experience with one or more SDLC methodologies with the ability to exhibit deep technical understanding conveyed through crisp solution design artefacts and walkthroughs. Strong communication skills, with the ability to present complex technical concepts (both written and verbal) to an extensive and varied set … troubleshooting and analytical abilities. Additional highly valued skills: Application, Infrastructure, or Enterprise Architecture training and certification, such as TOGAF. Extensive experience in system integration, API design, and API management, including architecting enterprise-wide, end-to-end solutions with a strong focus on cloud-based technologies - particularly AWS More ❯

ll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture … of applications and design/development of user-facing applications Building reusable code libraries Testing, validation and optimisation Cross application functionality Documenting Problem solving and investigation Peer code reviews Requirements gathering (ad-hoc) Learning and upskilling into new technology You’ll be joining an established Employee owned business (EBT More ❯

ll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture … of applications and design/development of user-facing applications Building reusable code libraries Testing, validation and optimisation Cross application functionality Documenting Problem solving and investigation Peer code reviews Requirements gathering (ad-hoc) Learning and upskilling into new technology You’ll be joining an established Employee owned business (EBT More ❯

ll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture … of applications and design/development of user-facing applications Building reusable code libraries Testing, validation and optimisation Cross application functionality Documenting Problem solving and investigation Peer code reviews Requirements gathering (ad-hoc) Learning and upskilling into new technology You’ll be joining an established Employee owned business (EBT More ❯

commercial consulting. Key Responsibilities Contribute to the development and evolution of their analytical capability, working alongside a highly skilled team of energy market experts. Design, build and maintain robust database infrastructure to optimise internal data workflows and enable scalable access to data to consultants and to our in-house … including cloud-based solutions, to enable efficient and scalable stochastic modelling of power systems and energy assets across European and global markets. Lead the design and improvement of UI/UX components of our internal modelling tools, ensuring ease of use, accessibility, and scalability across the company. Collaborate closely … Lambda, S3), Docker, CI/CD, serverless architecture Frontend development: e.g. JavaScript/TypeScript, React, Dash, or similar frameworks Backend APIs: FastAPI, Flask, RESTful API design UI/UX design for data tools (e.g., streamlining internal workflows and dashboards) Experience with energy systems modelling/optimisation, quantitative More ❯

Application Security Specialist Our client is looking to hire mid-level API & Application Security Specialist to join them on a 6-month initial contract, to work remotely with some occasional trips to the London site. This role will be operating INSIDE IR35 Key Skills Required: Deep knowledge of OWASP … API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM … or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders If interested in this role, please apply today More ❯

Application Security Specialist Our client is looking to hire mid-level API & Application Security Specialist to join them on a 6-month initial contract, to work remotely with some occasional trips to the London site. This role will be operating INSIDE IR35 Key Skills Required: Deep knowledge of OWASP … API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM … or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders If interested in this role, please apply today More ❯

Application Security Specialist Our client is looking to hire mid-level API & Application Security Specialist to join them on a 6-month initial contract, to work remotely with some occasional trips to the London site. This role will be operating INSIDE IR35 Key Skills Required: Deep knowledge of OWASP … API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM … or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders If interested in this role, please apply today More ❯

Application Security Specialist Our client is looking to hire mid-level API & Application Security Specialist to join them on a 6-month initial contract, to work remotely with some occasional trips to the London site. This role will be operating INSIDE IR35 Key Skills Required: Deep knowledge of OWASP … API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM … or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders If interested in this role, please apply today More ❯

Application Security Specialist Our client is looking to hire mid-level API & Application Security Specialist to join them on a 6-month initial contract, to work remotely with some occasional trips to the London site. This role will be operating INSIDE IR35 Key Skills Required: Deep knowledge of OWASP … API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM … or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders If interested in this role, please apply today More ❯

Application Security Specialist Our client is looking to hire mid-level API & Application Security Specialist to join them on a 6-month initial contract, to work remotely with some occasional trips to the London site. This role will be operating INSIDE IR35 Key Skills Required: Deep knowledge of OWASP … API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM … or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders If interested in this role, please apply today More ❯

Application Security Specialist Our client is looking to hire mid-level API & Application Security Specialist to join them on a 6-month initial contract, to work remotely with some occasional trips to the London site. This role will be operating INSIDE IR35 Key Skills Required: Deep knowledge of OWASP … API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM … or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders If interested in this role, please apply today More ❯

an Agile team, ensuring we meet our customer requirements and deliver impactful quality software. Using your technical skills, you will contribute to code reviews, design and implement complex solutions, and support the business strategy. Work in a team environment using Agile practices Develop and implement reliable, scalable technical software … technologies such as HTML5, CSS3, JavaScript , and frameworks like React , Angular Experience with relational databases like SQL Server and NoSQL databases Knowledge of RESTful API design and development Familiarity with cloud platforms like Azure or AWS Education & Experience: Bachelor's degree in Computer Science, Software Engineering, or a More ❯

experienced Senior Machine Learning Operation Engineers to join our Data Function. You'll play a significant role within our Data Function, working on the design and implementation of machine learning model engineering frameworks, solutions, and best practices. You'll be technically proficient in machine learning and its applications; you … troubleshoot problems quickly Excellent problem-solving and analytic skills Powering the business with the right tools What's involved: You'll contribute to the design and implementation of Machine Learning Engineering standards and frameworks. You'll support model development, with an emphasis on auditability, versioning, and data security. You … model testing and validation. You'll assist in the optimisation of deployed ML model scoring code in production services. You'll assist in the design and implementation of data pipelines and engineering infrastructure to embed scaled machine learning solutions. You'll use CI/CD pipelines, manage the deployment More ❯

Location – Leeds (once a week) About the Company: Our client is a purpose-driven digital services consultancy that combines human-centred design, data-informed insight, and software engineering to tackle complex challenges. They work closely with clients—including those in government, healthcare, and beyond—to design and deliver … Your responsibilities will include: • Leading the technical delivery of projects, offering hands-on coding expertise and architectural insight • Collaborating with cross-functional teams to design solutions that meet user needs and business goals • Building, testing, and deploying cloud-native applications using modern frameworks and serverless infrastructure • Supporting and mentoring … with AWS services, particularly in serverless environments • Solid understanding of web technologies including JavaScript, HTML, CSS, and libraries like React or Node.js • Knowledge of API design, containerisation (Docker/Kubernetes), and microservices architecture • Practical experience with infrastructure-as-code tools (Terraform, CloudFormation) and CI/CD processes • A More ❯

Location – Leeds (once a week) About the Company: Our client is a purpose-driven digital services consultancy that combines human-centred design, data-informed insight, and software engineering to tackle complex challenges. They work closely with clients—including those in government, healthcare, and beyond—to design and deliver … Your responsibilities will include: • Leading the technical delivery of projects, offering hands-on coding expertise and architectural insight • Collaborating with cross-functional teams to design solutions that meet user needs and business goals • Building, testing, and deploying cloud-native applications using modern frameworks and serverless infrastructure • Supporting and mentoring … with AWS services, particularly in serverless environments • Solid understanding of web technologies including JavaScript, HTML, CSS, and libraries like React or Node.js • Knowledge of API design, containerisation (Docker/Kubernetes), and microservices architecture • Practical experience with infrastructure-as-code tools (Terraform, CloudFormation) and CI/CD processes • A More ❯

a Senior Developer, you will work across both existing systems and new projects. You'll take ownership of your code, contribute to architecture and design decisions, support and mentor junior developers, and help maintain a high standard of software development across the team. This is a hands-on role … CSS, and modern web frameworks SQL Server or similar relational databases Testing frameworks (xUnit, Selenium, Cypress) Microsoft Azure platform RESTful services, SOAP, and scalable API design Frameworks and libraries such as Vue.js, React, JSON, XML, MVC, jQuery Exposure to: Docker, Kubernetes, Helm Charts Messaging systems like Kafka, RabbitMQ More ❯

a Senior Developer, you will work across both existing systems and new projects. You’ll take ownership of your code, contribute to architecture and design decisions, support and mentor junior developers, and help maintain a high standard of software development across the team. This is a hands-on role … CSS, and modern web frameworks SQL Server or similar relational databases Testing frameworks (xUnit, Selenium, Cypress) Microsoft Azure platform RESTful services, SOAP, and scalable API design Frameworks and libraries such as Vue.js, React, JSON, XML, MVC, jQuery Exposure to: Docker, Kubernetes, Helm Charts Messaging systems like Kafka, RabbitMQ More ❯