15 of 15 Permanent API Design Jobs in Yorkshire

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 ❯

experts in everything, right? So, it's all about having that thirst for knowledge and being passionate about learning. You know great architecture and design when you see it, so if something seems off, you won't rest until you've figured out what's going on. We see … brainstorming on challenging problems and prototyping different ideas. You wouldn't be just churning through tickets in the backlog - you'd be helping to design entirely new products, figuring out what exactly we're even building and why. While being a somewhat big company, we're split into small … NPM, Yarn, pnpm) Git (branching, creating pull requests, resolving merge conflict) Bash and Linux in general, SSH HTTP and REST SQL and RDBMS schema design and performance optimisation Tools we think you need to be familiar with: Babel Eslint Jest Webpack K8 & Docker & docker-compose Gitlab with CI/ 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 ❯

Laravel and bespoke MVC frameworks • A solid understanding of automated testing practices. • Expertise in performant MySQL and relational database design. • Hands-on experience with API design and development. • Be familiar with Agile methodologies • A great communicator who can hit the ground running with new projects • A positive attitude More ❯

Laravel and bespoke MVC frameworks • A solid understanding of automated testing practices. • Expertise in performant MySQL and relational database design. • Hands-on experience with API design and development. • Be familiar with Agile methodologies • A great communicator who can hit the ground running with new projects • A positive attitude More ❯

Laravel and bespoke MVC frameworks • A solid understanding of automated testing practices. • Expertise in performant MySQL and relational database design. • Hands-on experience with API design and development. • Be familiar with Agile methodologies • A great communicator who can hit the ground running with new projects • A positive attitude More ❯

Object-Oriented Programming (OOP). A solid understanding of automated testing practices. Expertise in performant MySQL and relational database design. Hands-on experience with API design and development. You should be comfortable with: Scaling PHP/MySQL platforms to handle growth and performance demands. Working with Laravel to More ❯

Senior Python Developers to join their expanding engineering team. Focused on delivering impactful, human-centred digital solutions, the organisation combines data-driven insights, service design expertise, and cutting-edge software engineering to create meaningful change for clients across both the public and private sectors. Operating with a truly agile … user behaviour, ensuring they meet genuine needs while driving organisational success. Senior Python Developers play a critical role within multi-disciplinary teams, supporting the design, development, and maintenance of user-centred digital services that deliver measurable value. As a senior technical consultant, the role offers the opportunity to lead … matter expert (SME), ensuring high-quality, user-centred software development aligned with business needs and best practices. Collaborate closely with cross-functional teams to design and implement creative, effective solutions. Architect and manage development and deployment pipelines, proactively addressing potential bottlenecks. Communicate technical ideas and project updates clearly and More ❯

is seekingSenior Python Developersto join their expanding engineering team. Focused on delivering impactful, human-centred digital solutions, the organisation combines data-driven insights, service design expertise, and cutting-edge software engineering to create meaningful change for clients across both the public and private sectors. Operating with a truly agile … user behaviour, ensuring they meet genuine needs while driving organisational success. Senior Python Developers play a critical role within multi-disciplinary teams, supporting the design, development, and maintenance of user-centred digital services that deliver measurable value. As a senior technical consultant, the role offers the opportunity to lead … matter expert (SME), ensuring high-quality, user-centred software development aligned with business needs and best practices. Collaborate closely with cross-functional teams to design and implement creative, effective solutions. Architect and manage development and deployment pipelines, proactively addressing potential bottlenecks. Communicate technical ideas and project updates clearly and More ❯

holistic performance and reliability. What you'll bring: · Engineering expertise in complicated Salesforce environments · Exposure to Cloud Native software development, including cloud infrastructure and API design (Azure preferred) · Proven experience applying modern standards such as OWASP CI/CD, DSOMM, SAMM etc · Strong networking protocol knowledge (TCP/… IP, UDP, HTTP/3, AMQP, streaming protocols etc), cloud network design (VPNs, subnets, regions/zones etc), and integration related technologies (Auth0, APIM) · Expertise with SAST & SCA systems such as Snyk, Checkmarx · Experience with DAST systems such as OpenZAP, Qualys DAST (preferred) ideally with HTTP APIs · Ability to More ❯

a strong understanding of e-commerce platforms, technologies like: APIs, databases, cloud and security protocols. Implement data governance, security, and compliance best practices. Define API and microservices architecture for seamless integration with internal and external systems. Experience in implementing cloud-native solutions leveraging AWS or Google Cloud for scalability … and reliability. Expertise in cloud computing (AWS/GCP), microservices architecture, and API design. Strong knowledge of e-commerce platforms. Knowledge of IBM e - commerce/Ocado ecommerce is plus Good experience in working with DevOps teams to enhance CI/CD pipelines and ensure smooth deployments. Define best More ❯

a strong understanding of e-commerce platforms, technologies like: APIs, databases, cloud and security protocols. Implement data governance, security, and compliance best practices. Define API and microservices architecture for seamless integration with internal and external systems. Experience in implementing cloud-native solutions leveraging AWS or Google Cloud for scalability … and reliability. Expertise in cloud computing (AWS/GCP), microservices architecture, and API design. Strong knowledge of e-commerce platforms. Knowledge of IBM e - commerce/Ocado ecommerce is plus Good experience in working with DevOps teams to enhance CI/CD pipelines and ensure smooth deployments. Define best More ❯

a strong understanding of e-commerce platforms, technologies like: APIs, databases, cloud and security protocols. Implement data governance, security, and compliance best practices. Define API and microservices architecture for seamless integration with internal and external systems. Experience in implementing cloud-native solutions leveraging AWS or Google Cloud for scalability … and reliability. Expertise in cloud computing (AWS/GCP), microservices architecture, and API design. Strong knowledge of e-commerce platforms. Knowledge of IBM e - commerce/Ocado ecommerce is plus Good experience in working with DevOps teams to enhance CI/CD pipelines and ensure smooth deployments. Define best More ❯