12 of 12 Permanent API Design Jobs in Hertfordshire

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 ...

Build agents that can verify the quality of the code and identify error patterns. Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them Design verification mechanisms that can automatically … . Strong expertise in building full-stack applications and deploying scalable, production-grade software using modern languages and tools. Deep understanding of software architecture, design, development, debugging, and code quality/review assessment. Excellent oral and written communication skills for clear, structured evaluation rationales. Engagement Details: Commitment: flexible engagement ...

Build agents that can verify the quality of the code and identify error patterns. Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them Design verification mechanisms that can automatically … . Strong expertise in building full-stack applications and deploying scalable, production-grade software using modern languages and tools. Deep understanding of software architecture, design, development, debugging, and code quality/review assessment. Excellent oral and written communication skills for clear, structured evaluation rationales. Engagement Details: Commitment: flexible engagement ...

Build agents that can verify the quality of the code and identify error patterns. Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them Design verification mechanisms that can automatically … . Strong expertise in building full-stack applications and deploying scalable, production-grade software using modern languages and tools. Deep understanding of software architecture, design, development, debugging, and code quality/review assessment. Excellent oral and written communication skills for clear, structured evaluation rationales. Engagement Details: Commitment: flexible engagement ...

build robust, scalable, and high-quality features that deliver an excellent experience for our valued supplier partners. What You’ll Do Full Stack Development Design, build, and maintain efficient, reusable, and reliable code across the full technology stack (front-end and back-end). Develop user-facing features … Developer, and other engineers to translate product requirements into technical solutions. Participate actively in the team's agile sprint-based workflow, from planning and design through to testing and deployment. Ensure all code and deployment artefacts align with Ocado Retail's technology standards, principles, and architectural vision. Contribute ...

Solutions Architect (Integration | API Design) St Albans (Hybrid) £90,000 + Bonus + Lucrative Shares Scheme Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They’re seeking a Solutions Architect to lead … technical design of mission-critical platforms and services. The Role: We’re seeking an experienced Solution Architect to design scalable, secure, and efficient technology solutions that support a major systems consolidation and migration programme. You will be responsible for planning and documenting the decommissioning ...

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 ...

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 ...

understand real-world workflows across R&D, QC, and manufacturing. Run structured discovery (interviews, ride-alongs, lab visits, pilots) to understand sample lifecycles, assay design, automation constraints, and regulatory requirements. Technical Product Ownership Own product requirements from problem statement through detailed specifications: user stories, data models, and non-functional … industry standards, such as Allotrope Simple Model (ASM), and related standards to create interoperable, open systems. Work with internal and external SMEs to design and evolve semantic models, controlled vocabularies, and mappings between lab systems and the ZONTAL data backbone. Ensure alignment with FAIR principles, ALCOA+, 21 CFR Part ...