10 of 10 Permanent API Design Jobs in Cheshire

What you'll do: Technical Leadership & Strategy Define and drive the technical vision, architecture, and roadmap for both desktop and backend services. Lead architectural design sessions, ensuring scalable, secure, and maintainable solutions. Champion engineering best practices, including early-stage quality planning (Shift Left), design patterns, automated testing … assisted coding, cross-platform frameworks) to improve productivity and product innovation. Application Development & Delivery Lead the development of complex WPF-based applications following modern design patterns such as MVVM, leveraging data binding, templating, and modular architecture. Oversee and contribute to the implementation of scalable backend services, APIs, and libraries ...

What you'll do: Technical Leadership & Strategy Define and drive the technical vision, architecture, and roadmap for both desktop and backend services. Lead architectural design sessions, ensuring scalable, secure, and maintainable solutions. Champion engineering best practices, including early-stage quality planning (Shift Left), design patterns, automated testing … assisted coding, cross-platform frameworks) to improve productivity and product innovation. Application Development & Delivery Lead the development of complex WPF-based applications following modern design patterns such as MVVM, leveraging data binding, templating, and modular architecture. Oversee and contribute to the implementation of scalable backend services, APIs, and libraries ...

team. What you'll be working on Backend development: Build and maintain robust server‐side applications and core payment flows using Node.js/TypeScript. API development: Design and optimise high‐performing APIs that integrate with multiple payment gateways and third‐party services. Data layer: Help design … ensure reliability and security. Scalability & performance: Contribute to scalable, resilient backend infrastructure that can handle high transaction volumes. Collaboration: Work closely with product, design and other engineers, and occasionally support frontend teams with UX‐aware integration. Support & troubleshooting: Help diagnose and resolve production issues quickly, protecting uptime and customer ...

interfaces, and define non-functional requirements. Ensure solutions are fit for purpose by collaborating with stakeholders and vendors, while assessing the impact of strategic design decisions. Work closely with both business and technology teams to shape the solution intent and architectural vision. Rapidly develop high-level architecture, refining details … prioritise technology-focused backlog items for the architecture runway. Provide clarity to development teams on architectural aspects, offering solution options to overcome impediments. Conduct design reviews to confirm all non-functional requirements are met (e.g., security, performance, scalability, usability, reliability). Operate as an individual contributor. Required Skills ...

work across: Advanced theme builds using Liquid Hydrogen, Oxygen and modern Shopify frameworks Custom Shopify app development (Node/React or Ruby) API development and third-party integrations Performance optimisation for high-traffic storefronts Building reusable frontend components and design systems Technical scoping and solution design Code … Shopify developer Proven background in building and maintaining custom Shopify apps Strong knowledge of Liquid, frontend fundamentals and Shopify's latest tooling Understanding of API design, data structures and integration patterns Experience working on large-scale or high-growth ecommerce brands Confident in leading technically and supporting developers ...

work across: Advanced theme builds using Liquid Hydrogen, Oxygen and modern Shopify frameworks Custom Shopify app development (Node/React or Ruby) API development and third-party integrations Performance optimisation for high-traffic storefronts Building reusable frontend components and design systems Technical scoping and solution design Code … Shopify developer Proven background in building and maintaining custom Shopify apps Strong knowledge of Liquid, frontend fundamentals and Shopify's latest tooling Understanding of API design, data structures and integration patterns Experience working on large-scale or high-growth ecommerce brands Confident in leading technically and supporting developers ...

intuitive, and reliable app experiences that drive conversion, engagement, and customer loyalty. Role Overview As a Senior iOS Developer, you’ll collaborate with product, design, and engineering teams to build new features, optimise performance, and ensure our apps stay ahead of Apple’s latest platform updates. You’ll work … clean, testable, maintainable Swift and Objective-C code? Refactor legacy components to improve performance and stability? Debug and enhance existing functionality? Contribute to scalable API design? Set up and run A/B tests to validate UX and product decisions? Manage the full release cycle via App Store ...

solution and code interpreter Experience with Multi-agent system architecture (e.g., LangGraph, ToolUniverse) Experience with MCP tool integration and orchestration Experience with API design and integration Experience with tool wrapping and interoperability Experience with Error handling and debugging (agentic workflows, logs) Experience with Modular system design, performance ...

appropriate test coverage You are a Front-End specialist but you understand aspects of the full tech stack and can contribute meaningfully to API design and overall system architecture The Extras Working at Slice comes with a comprehensive set of benefits, but here are some of the unexpected ...

appropriate test coverage You are a Front-End specialist but you understand aspects of the full tech stack and can contribute meaningfully to API design and overall system architecture The Extras Working at Slice comes with a comprehensive set of benefits, but here are some of the unexpected ...