18 frontend engineer jobs found

Location: UK Remote Department: Engineering Contract role About YLD: Everything we do is to empower our clients to move forward. Our purpose is to help our clients develop the capabilities they need to outperform their competitors. Our success is a consequence of ensuring our clients are successful. Our company is built on extraordinary people; we aim to attract, inspire, develop and retain them. YLD is a software engineering and design consultancy; we create digital capabilities for our clients that last beyond our engagement. We have offices in London, Lisbon, Porto. About the role: As a Frontend Engineer, you’ll have the opportunity to build and deliver software within interesting projects in terms of the product and methodology. We work in an Agile environment (Scrum) with a test-first mindset (actually, writing code without tests should be unthinkable). We are also big advocates of pair programming and nothing is released until we have a code review....

Noble Panacea is a new revolutionary skincare brand founded by Nobel Laureate Sir Fraser Stoddart and launched in October 2019. The ground-breaking OSMV ™ Technology at the core of the brand enables transformational efficacy and precision. We create deep respect & intention by adhering to the global principles of green chemistry. We take our commitment to nature and sustainability to all stages of product development, from R&D to packaging. Ultimately, we strive to promote absolute skin health by empowering all who seek authentic, natural, and ageless beauty. We are seeking a Senior Frontend Engineer to take a lead role in shaping the next generation of our global e-commerce experience. You'll be key in our migration to BigCommerce's Catalyst framework and responsible for front-end performance. You will collaborate closely with Product, Design, and Engineering leadership to create elegant, performant, and maintainable front-end solutions for our luxury skincare brand....

Tangible is a fast-growing, tech-driven platform providing liquidity solutions to LPs and GPs in the private-markets secondaries space. By combining deep sector expertise with modern infrastructure, we unlock liquidity across private equity, private credit, and real assets, transforming the industry and enabling investors to move faster and smarter. We are looking for a Senior Backend Engineer with strong expertise in Python and modern backend systems to design, build, and optimize scalable, secure, and high-performance applications. The ideal candidate will bring hands-on experience in API development, databases, and cloud infrastructure, combined with a passion for delivering clean, well-tested, and maintainable code. This role is open globally to full-time contractors who can work standard Central European Time (CET) hours. Tasks   Build and optimize backend systems and APIs with a focus on scalability, reliability, and meeting SLAs....

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus...

Deloitte   Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role   We are looking for an experienced Senior Full Stack Software Engineer to work in the Digital Tax Solutions (DTS) Team at Deloitte. In response to significant success and an increased emphasis on technology and innovation in a rapidly evolving market, DTS is recruiting a Software Developer to undertake new project work within our business. The successful candidate will play a crucial role in developing software solutions, work across the full SDLC, collaborate with the team and get involved on...

Hello there. We’re Riskhub. Since starting our journey in 2016, we have built the UK’s leading property compliance solution, providing powerful risk management to organisations with property portfolios. But it’s more than just compliance. We are setting a new industry standard. Our SaaS solution simplifies the end-to-end compliance lifecycle from scheduling and digital recordings of buildings, such as fire risk assessments, to managing issues found during inspections and providing a golden thread of data across the process. Our solution takes away client stress of ensuring that their properties are meeting legal requirements and allows them to focus on providing their residents with great service with the assurance that their buildings are safe. About the role We’re looking for a Front-End engineer to build a highly customisable design system. Ideally you’ll be obsessed with pixel-perfection and can turn a design into something that...

About Nexus Mods Established in 2001, Nexus Mods is the largest video game modding platform on the internet—a household name in the PC gaming ecosystem. 65M+ registered members 750K+ mods for 3,500+ games 18B+ mod downloads We’re currently focused on product modernisation, driving growth and building infrastructure for the next 10 years of community-powered modding.   Our Role: We are seeking an experienced Engineer to modernise the gta5-mods.com application, improve code quality and security, reduce operating risk and accelerate feature delivery. Our application is built with Ruby on Rails, so strong experience with this framework is essential.   Please note: This is a contract position, for 2 months (we work a 4-day week). Can be remote, but within the UK.   Responsibilities: Security & Supportability: Upgrade to a supported Ruby/Rails version, update dependencies,...

Outside IR35 – Fully Remote (UK ONLY) - Senior Front-End/Middleware Engineer   Pathway is a high-conviction early-stage AI company and looking to make their first external hires as they prepare to launch a cutting-edge platform for agentic AI systems. Their technology enables orchestration of autonomous agents with live memory, contextual awareness, and dynamic execution flows, built on advanced LLM techniques, cognitive vector systems, and scalable AI tooling. They’re now seeking a Senior Front-End/Middleware Engineer (Contract) to help take their product to production-readiness. This is a role is for a deeply technical engineer who can finalise and harden the frontend and middleware layers of Pathway’s platform. You’ll work directly with the founder in a high-trust, high-delivery environment, embedding excellence into every part of the user experience and delivery flow.   Key Responsibilities: Finalise...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus...

About The Company About Cleo At Cleo, we're not just building another fintech app. We're embarking on a mission to fundamentally change humanity's relationship with money. Imagine a world where everyone, regardless of background or income, has access to a hyper-intelligent financial advisor in their pocket. That's the future we're creating. Cleo is a rare success story: a profitable, fast-growing unicorn with over $200 million in ARR and growing over 2x year-over-year. This isn't just a job; it's a chance to join a team of brilliant, driven individuals who are passionate about making a real difference. We have an exceptionally high bar for talent, seeking individuals who are not only at the top of their field but also embody our culture of collaboration and positive impact. If you’re driven by complex challenges that push your expertise, the chance to shape something truly transformative, and the potential to share in Cleo’s success as we scale, while growing...

Role Title: Front End React Engineer Location: Telford (Hybrid – 2 days per week onsite) Duration: 6 Months Rate: £580p/d max via Umbrella Clearance: SC Clearance or at least be eligible to obtain it The CESA Futures team follows agile principles, on a two-week sprint cadence, with multiple scrum teams forming the overall engineering team. Engineers are expected to be, or become, T-shaped and able to operate across the product stack, including testing (or have a drive to develop their skills in other areas). This role is for a senior Frontend React technical resource with the ability to guide/coach less experienced engineers, within a team (roughly 4-8 engineers) under the general guidance of a Technical Lead is important. There is expectation that the person fulfilling the role will be willing to learn aspects of Backend delivery. Required Skills: JavaScript React Java 17+ Spring Boot 3+ Junit Playwright HTML...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus...

About Rightcheck In a short space of time, Rightcheck has become the UK's leading app-based solution for recruitment compliance. The company has established an enviable list of clients across all sectors and is routinely used by thousands of recruiters to conduct Right to Work checks. We are based on the Coventry University Technology Park, 5 minutes from Coventry rail station, with free on-site car parking. Job Overview We are seeking a talented and versatile Full Stack Software Engineer to join our growing development team. This role involves building and maintaining our entire technology stack, from frontend web applications to backend microservices and integrate with third-party APIs and services. The ideal candidate will be passionate about modern technologies and capable of delivering high-quality solutions across multiple platforms within our fast-paced 4-week release cycles. Key Responsibilities Develop and maintain responsive web applications...

Requirements: Fluent English Speaking and Writing this is to ensure clarity. The ability to tune into the idea and work in harmony expressing the vision, realising you are part of its creation not an transaction but an integral asset with inherent value. Flow State Authority is dedicated to proving that the Universe speaks a language designed for your success. We believe that inside every human being is the next great idea or something beautiful waiting to be expressed, and history confirms this truth. Yet, for many, the path to realising that dream—even the simple dream of feeling free inside—is blocked by internal friction. The App is the key: It is engineered to help you instantly understand the Universe’s language and how it communicates with you to find your purpose and be free from anything that stops your manifestation. This entire Mission is anchored in the fundamental law of the cosmos: Reciprocity (from the Latin root meaning back and...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus...

About Rightcheck In a short space of time, Rightcheck has become the UK's leading app-based solution for recruitment compliance. The company has established an enviable list of clients across all sectors and is routinely used by thousands of recruiters to conduct Right to Work checks. We are based on the Coventry University Technology Park, 5 minutes from Coventry rail station, with free on-site car parking. Job Overview We are seeking a talented and versatile Full Stack Software Engineer to join our growing development team. This role involves building and maintaining our entire technology stack, from frontend web applications to backend microservices and integrate with third-party APIs and services. The ideal candidate will be passionate about modern technologies and capable of delivering high-quality solutions across multiple platforms within our fast-paced 4-week release cycles. Key Responsibilities Develop and maintain responsive web applications...

Location: Hybrid | London Rate: £525 per day Clearance: BPSS Duration: Contract Overview We are looking for an experienced Full Stack Developer with strong public sector experience to join a multidisciplinary team delivering next-generation digital and AI-powered solutions. You'll work alongside Machine Learning Engineers and Data Scientists to build robust, scalable applications that integrate AI and automation into real-world user experiences. This is a fantastic opportunity to contribute to high-impact projects in a modern, cloud-first environment, where innovation, collaboration, and public value are at the heart of what we do. Key Responsibilities Design, develop, and deploy end-to-end applications that integrate with machine learning and AI services. Build scalable, maintainable Back End services and RESTful APIs (eg FastAPI, Flask, Node.js, or Express). Create responsive and accessible Front End interfaces using...

The current staffing model is broken, with low wages and limited opportunities. As flexible work continues to grow, we’re taking a radically different approach: providing job seekers with control, ownership and choice, so employees can find the working patterns and scenarios to suit their lifestyles. In doing so, we aim to revolutionise the industry. After demonstrating our approach throughout the UK under the Syft brand, we were acquired by Indeed.com in 2019 and we rebranded to Indeed Flex in 2020. With continued independence and phenomenal levels of support we’ve been able to accelerate our mission as we expand throughout the US as well as the UK.   Project Objectives The Flexer Marketplace group connects our Flexers to our employer clients, for short and long-term assignments. We are responsible for getting the best flexers we can as quickly as we can to meet the shift opportunities of our clients. Flex is primarily a Ruby monolith and as we...