senior frontend developer jobs in Clerkenwell

x3 Founding FS Engineer (Python, NextJS, TypeScript) ‍ (AI/LLMs) Salary up to £120k + Equity London - 2/3 days a week Can sponsor candidates already in the UK ✅ Opportunity to join a VC backed startup, building the future of LegalTech. ‍⚖️ With operations based in both the UK&US and partnerships with the biggest Law firms. Working with LLMs to automate workflows and creating agents to handle...

An outstanding opportunity has opened for a Senior Fire Engineer to join a respected UK consultancy known for delivering innovative fire safety solutions across complex, high-profile projects. This forward-thinking firm is expanding its London team and is looking for a technically capable and ambitious Senior Fire Engineer to take ownership of challenging schemes across a wide variety of...

You will be responsible for setting projects up for success from bid stage through to handover, ensuring that scope, design, cost, and risk are fully aligned.

You will be a technically strong, detail-driven professional with a passion for quality and process.

Senior Electrical Engineer - Data Centre DesignPermanentEurope based with travel - full right to work is essentialThis is a key leadership position for an experienced design professional to head major data centre projects across the EMEA region. The Senior Electrical Design Engineer drives the entire project lifecycle, from initial concept to final client handover. This role requires a highly...

You will be involved from early-stage cost planning through to final tender submission, working closely with design, planning and delivery teams to produce commercially robust bids. This role offers excellent exposure to major UK projects and clear progression within a growing pre-construction function.

Senior BMS Commissioning Engineer Location: Central London Salary: Up to £85,000 + BenefitsAbout the Role We are seeking a highly skilled Senior BMS Commissioning Engineer to join our team and take ownership of multiple high-profile projects across Central London. This is an exceptional opportunity for a motivated professional who excels in delivering high-quality commissioning work and leading...

Job Title: Senior Commissioning EngineerRole OverviewproAV are a leading global audio visual integrator, providing AV and event services across multiple client partnerships globally.Our immediate requirement is for an experienced Senior Commissioner to be a key part of our Egham team, representing proAV, taking full responsibility for undertaking a lead role on projects and overseeing the onsite...

Senior Business Development Manager - Sponsorship£50,000 - £55,000 + Excellent BenefitsHybrid (1-2 Days in the office)(1 Year Contract minimum)Industry leading Membership Association seeks a highly driven, result focused individual to join their sales team in the role of Senior Sponsorship Sales Manager.The Business Development Manager role focuses on selling sponsorship solutions across our...

Senior Project ManagerConstruction ConsultancyLondonUp to £85,000A multi-disciplinary Construction Consultancy, based in London, are seeking a Senior Project Manager to join their team.The successful Senior Project Manager will be joining a strong, close knit team who work in a variety of sectors, but with an emphasis on Residential including High End.About the role:The successful Senior Project...

Job Description Job title: Lead Researcher Location: Central London Salary: £54,554 Flexible working: We recognise the importance of a good work-life balance, and while this is an office-based role, part-time, compressed hours, and job-sharing options are all possible. You can find out more about flexible working at MI5 on our website. About us MI5 keeps the country safe from serious threats...

Building Biodiversity Better Step out of the ordinary and shape the future of ecology. At Ecology by Design, we're redefining what it means to be an ecological consultant - blending scientific rigour with creativity, innovation, and a genuine commitment to restoring nature. Here, your expertise isn't boxed in by bureaucracy or lost in endless process. It drives real-world change. If you're a...

You will provide strong phase leadership, ensuring consistent implementation of agreed policies, practices, and expectations.

You will take responsibility for driving high-quality teaching and learning across core subjects, embedding effective assessment and pedagogical approaches.

You will help accountants understand when R&D tax moves from a generalist consideration to a specialist area, and how working with a specialist protects both their clients and their professional reputation.

You will also learn the consultative sales process and support client meetings as part of a wider sales team.

Take your sales career overseas with a high-earning role that offers full relocation and visa sponsorship! HRL has an exciting opportunity for international Telesales Executives to join their client’s sales team.Salary: £26,000–£28,000 base (£70,000+ OTE in Year 1)Job Type: Full Time, PermanentAbout Our Client:HRL is hiring for international Telesales Executives on behalf of a rapidly expanding...

Do you thrive in high-energy environments and have a passion for helping pupils overcome behavioural barriers to learning? Teach Now is seeking a resilient and compassionate SEN Teaching Assistant with a specialism in challenging behaviours to join a forward-thinking primary school in Islington. This is a powerful opportunity to provide life-changing support to a child who needs structure,...

Are you a compassionate and patient individual with a passion for supporting children with Autism Spectrum Disorder (ASD)? Teach Now is seeking a dedicated SEN Teaching Assistant to join a supportive primary school in Islington. This is a fantastic opportunity to make a lasting difference in the life of a child who thrives with 1:1 attention and care. About the SchoolSet in a vibrant North London...

Senior Mechanical Design EngineerRemote in EuropeMust be EU national or have full unrestricted right to workThis senior position is for a Senior Mechanical Design Engineer to lead large-scale data centre projects across the EMEA region. The role requires managing the full project lifecycle, from initial design concept through to successful client handover, while maintaining high-quality delivery...

Head of Event Operations - Exhibitions£70,000 - £75,000 Base + up to 15% BonusHybridLondonLeading international events business seeks a highly talented Head of Operations to join their team working across their leading expo business.The Head of Operations will be an experienced manager coaching and developing Operations Managers and Operations Coordinators in the delivery of their allocated...

You will collaborate closely with Network, Infrastructure, and Application teams to ensure that "secure-by-design" solutions are woven into the fabric of the entire ecosystem. Key ResponsibilitiesHybrid Architecture & Governance: Design and implement security controls across Azure, on-prem servers, and SaaS applications while maintaining hardening standards based on CIS and NIST benchmarks.

You will collaborate closely with Network, Infrastructure, and Application teams to ensure that "secure-by-design" solutions are woven into the fabric of the entire ecosystem. Key ResponsibilitiesHybrid Architecture & Governance: Design and implement security controls across Azure, on-prem servers, and SaaS applications while maintaining hardening standards based on CIS and NIST benchmarks.