5 of 5 API Design Jobs in Leeds

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 ❯

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 ❯

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 ❯

disparate systems and services across the company, driving best-in-class solutions. Collaborate with product, engineering, and security teams across multiple time zones to design and deliver robust platform capabilities. Develop and optimize authentication & authorization , user notification, and provisioning systems. Ensure the highest standards in monitoring, instrumentation, and system … Experience working in cross-functional teams with multiple stakeholders. Strong expertise in designing highly available, distributed systems . Experience with event-driven architectures, and API design. Excellent communication and collaboration skills , with a proven ability to work across teams and time zones. Bachelor's degree (or higher) in Computer More ❯