Top Design Engineer Jobs in London

Develops mechanical systems, components, and assemblies for consumer products from concept through production. Responsibilities include CAD modeling, engineering drawings, DFMA, analysis, tolerance assessment, prototyping, validation, supplier collaboration, root-cause investigations, manufacturing support, and regulatory compliance. The role works cross-functionally with design, electrical engineering, software, quality, manufacturing, and supply chain teams to launch reliable, manufacturable products.

Lead technical and strategic security engineering services for major construction and fit-out projects throughout RIBA stages. Responsibilities include risk assessments, mitigation strategies, operational requirements, security master planning, physical security design, electronic security systems design, and counter-terrorism guidance covering hostile vehicle mitigation, blast protection, and ballistics. The role also involves business development and security consultancy expertise.

Leads technical and strategic security engineering for major building construction and fit-out projects. Responsibilities include risk assessments, mitigation strategies, operational requirements, security master planning, physical security design, electronic security systems design, and counter-terrorism guidance covering hostile vehicle mitigation, blast, and ballistic risks. The role also requires business development, security consultancy expertise, and collaboration with specialist engineering teams.

Own the design and development of acoustic pods, furniture, and related components from concept through production. Create detailed SolidWorks CAD models and manufacturing drawings, develop prototypes, manage engineering changes, resolve manufacturing issues, and improve product quality, cost, durability, and manufacturability. Collaborate with suppliers, factories, and internal teams while managing multiple projects, supporting testing and validation, maintaining product records, and transitioning new designs into manufacture.

Leads the design and optimization of global energy infrastructure projects, including solar, battery storage, wind, gas-peaker, and data center developments. Produces layouts, drawings, specifications, schedules, bills of quantities, and construction-ready engineering packages. Supports feasibility studies, planning submissions, grid connection design, technical due diligence, procurement, EPC handover, and design standardization across markets.

Design mechanical or electrical systems for high-density AI data centres, from Basis of Design through commissioning and handover. Responsibilities include developing layouts, schematics, calculations, schedules, construction drawings, modular reference designs, and engineering standards; adapting designs to codes and site conditions; managing design changes; and supporting construction, commissioning, and handover across UK and international projects.

Own frontend features from planning through polished production release. Build fast, accessible, pixel-accurate interfaces using React and TypeScript, collaborate with Product, Design, and Backend, and help shape frontend architecture, shared components, and the design system. The role requires strong visual judgment, attention to detail, code quality, testing, and independent ownership in a fast-growing startup.

Design and prototype intuitive experiences for complex, data-rich B2B SaaS products using AI-first workflows. Collaborate with product, engineering, users, and domain experts to validate ideas, balance usability with technical feasibility, and ship iterative solutions. Contribute to scalable design systems, reusable components, accessibility, design tokens, and AI-assisted development practices while working directly with codebases and modern frontend technologies.

Build high-fidelity prototypes and interactive experiences across web, mobile, and TV platforms. Develop internal tools, Figma plugins, shared frameworks, APIs, and AI-powered utilities that improve design workflows. Collaborate with designers, engineers, product managers, and researchers, integrate live or simulated data, iterate based on feedback, and mentor other design engineers. The role emphasizes front-end engineering, interaction design, rapid experimentation, emerging technologies, and streaming media experiences.

Build and ship production interfaces from concept to launch using React and TypeScript. Create advanced interaction systems, motion, gestures, design tools, 3D and shader experiences, and AI-oriented interfaces. Optimize for performance, accessibility, responsiveness, and robust behavior across real devices. Prototype directly in code, own shipped work, and use AI coding tools to develop products and internal tools independently.

Own and evolve WRITER’s design system across design and engineering. Build production-quality React components, UI features, animations, and accessibility-focused primitives; maintain documentation and libraries across Figma, Markdown skills, and Storybook. Drive design-system adoption, shape design-to-code workflows, and partner with designers, product managers, and engineering leads to improve product quality and AI-assisted development.

Own Granola’s website from concept through production, combining visual design judgment with front-end engineering. Build high-quality marketing experiences, reusable components, CMS workflows, campaign landing pages, and A/B tests. Improve SEO, performance, accessibility, navigation, pricing, and calls to action while collaborating with marketing, design, and product teams in a London-based, in-person environment.

Own SpAItial’s design system and product experience across web and mobile surfaces. Design reusable components, interaction models, prototypes, 3D-world workflows, responsive interfaces, and mobile journeys. Collaborate closely with engineers and implement production-quality front-end experiences using React and TypeScript, while maintaining Figma libraries and documentation. The role also covers marketing and company surfaces, spatial interactions, accessibility, performance, and design-to-release refinement.

Designs and implements DFT architectures and specifications for ASIC/SoC products. Responsibilities include scan insertion, ATPG pattern development, compression and clock-control insertion, optimizing test coverage and power, and pre- and post-silicon verification and debug. The role also requires gate-level simulation, failure analysis, scripting, and collaboration across product teams.

Own complex product design problems from customer research through delivery. Design trustworthy AI interactions, validate rough solutions with users, build and ship interface changes using AI coding tools, and maintain product coherence through design systems and reusable interface rules. Collaborate with product managers, engineers, legal experts, and customers while shaping how legal and property professionals use AI.

Design telecoms and network solutions for London Underground projects, producing buildable, maintainable designs, estimates, programs, and work packages. The role covers IP/MPLS, DWDM, multi-service networks, and LTE, while ensuring compliance with standards, safety requirements, budgets, and delivery schedules. Responsibilities include stakeholder collaboration, technical issue resolution, configuration control, quality metrics, design-process management, and reporting to senior engineering staff.

Design and support high-voltage substation and transmission projects across the UK and Ireland. Responsibilities include producing primary plant layouts, developing equipment specifications, contributing engineering design input, supporting Owners' Engineer assignments, and providing HV design input for renewable energy projects. The role involves collaboration across multiple infrastructure projects, technical report writing, design reviews, construction witnessing, and development under experienced engineering mentors.

Build customer-facing web experiences, internal administrative tools, factory-floor operator interfaces, and AI-agent workflows. Own the design system across web applications and machine screens while balancing strong UI/UX design with end-to-end software development. The role requires shipping full-featured TypeScript and React applications, collaborating with users, deploying products, and using coding agents effectively. Bonus experience includes data visualization, functional languages, and industrial or operator interfaces.

Develops and supports engineering design automation applications using Rulestream, .NET technologies, CAD systems, and databases. Responsibilities include full-stack development, configurable design systems, CAD automation, API and database integrations, design standards, BOM generation, documentation, troubleshooting, and technical guidance. The role collaborates with engineering, drafting, operations, and application teams to improve design productivity, accuracy, quality, and compliance.

Design electrical systems for buildings across industrial manufacturing, defense, education, and other sectors. Prepare drawings, specifications, reports, and project documentation while meeting budget, quality, and schedule objectives. Collaborate with multidisciplinary teams to integrate designs, resolve technical issues, and meet client expectations. The role requires applying analytical, technical writing, and electrical design skills while working toward Chartered Engineer status.

Leads HV substation design for major UK and Ireland energy infrastructure projects. Responsibilities include primary plant layouts, FEED and detailed design, HV equipment specifications, tender evaluation, design assurance, supplier technical reviews, manufacturing audits, FAT attendance, commissioning support, client engagement, and mentoring junior engineers.

Designs high-voltage substations and associated infrastructure from concept through energisation. Responsibilities include producing primary plant layouts, developing equipment specifications, providing engineering input to major transmission and renewable energy projects, serving as an Owner’s Engineer, reviewing detailed designs, and witnessing construction activities. The role supports utility, developer, hyperscaler, data centre, and renewable energy clients across the UK, Ireland, and potentially overseas.

Develops and manages online learning content, LMS courses, assessments, webinars and learner resources. The role also moderates an online community, supports learners and trainers, monitors engagement data, troubleshoots platform issues, and improves digital learning experiences. Responsibilities include instructional design, multimedia production, quality assurance, responsive content development, stakeholder support and maintaining brand-consistent, accessible learning materials.

Designs and develops manufacturing-ready BMS and EPMS control panels for mission-critical projects. Responsibilities include creating schematics, wiring diagrams, I/O allocations, communication architectures, bills of materials, and vendor integrations. Performs constructability and technical reviews, validates installation feasibility, manages revisions, supports commissioning readiness, and coordinates with project teams, manufacturers, and vendors. The role also identifies design risks, improves panel architecture and component selection, and supports quality management and continuous improvement.

Design and integrate mechanical systems for vehicle-mounted sensors and compute platforms. Responsibilities include developing prototypes, test rigs, jigs, fixtures, drawings, assemblies, BOMs, and GD&T documentation; partnering with suppliers on manufacturing; performing risk assessments; and supporting validation, installation, quality, and field-team knowledge transfer.