Javascript Jobs in United Kingdom
Find Javascript jobs in United Kingdom. Full-time, contract, remote and freelance opportunities.
64 vagas encontradas
Remote JavaScript Developer
Turing
About Us:Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical r
AI Trainer - Video Annotation
iMerit Technology
AI Trainer - Video AnnotationRemote | Independent Contractor Prove your skills. Get certified. Robotics AI is advancing rapidly, and high-quality video data helps intelligent systems better understand the world around them. We are inviting detail-oriented professionals to complete our certification process for potential robotics AI projects. ▌ What you will doAs part of the certification pro
Sr. Customer Success Manager - EMEA
Chili Piper
About Chili Piper Chili Piper is a B2B SaaS company that helps GTM teams turn inbound leads into qualified meetings - instantly. Our Demand Conversion Platform makes it easier for buyers and sellers to connect fast, without the usual friction in the funnel. We’re a fully remote, global team that loves building solutions that truly…
Senior Software Engineer
Klardaten
Klardaten connects DATEV with other software and AI applications. Weâre hiring 1â2 senior engineers to own product development, DATEV integrations and automation.Based in the EU · Remote or Berlin · Full time · Permanent or contract · Start as soon as possibleOwn the outcomeOnce we agree on a general goal, you independently work out what to build
React Front End Developer
Colossus Recruitment Ltd
React Frontend Developer (React Javascript Typescript) Our client is looking for a talented Front End Software Engineer with strong React.js experience to help design, develop and enhance a suite of modern web applications, customer-facing platforms and business-critical internal systems. This is an opportunity to join a growing organisation where technology is central to business success. You'l
Software Engineer, AI Coding Tasks
Askable
We're looking for experienced software engineers to build AI coding tasks from a codebase they know well. US$1,000 per task, and you can do as many tasks as you want. You turn a real change from a repository you know into a task that today's best AI coding models struggle with: hard for the models, but fair for a skilled engineer. Your tasks are used to measure and train AI coding models. Remo
Web Integrations Support Engineer
Smartling
Overview Smartling is an AI-native translation platform that's redefining how the world's biggest brands go global — ranked #3 on Fast Company's Most Innovative Companies list. We're growing rapidly at scale and are backed by Battery Ventures, a global technology-focused investment firm. While most companies are still figuring out how to use AI, we've spent…
Senior Frontend Engineer
B2spin
About B2SpinWe are B2Spin, and we are dedicated to delivering the best Free-to-Play Social Casino and gaming experiences by creating captivating, engaging, and unique products that are accessible to everyone. We have built a team of talented professionals from all over the globe, who are working to continually improve the experiences of our player
Full Stack Developer – PHP / JavaScript
PASS (Portable Appliance Safety Services) Ltd
Build software that makes a difference to how a growing business operates. PASS Ltd is looking for an experienced Full Stack Developer to join our five-person development team in Thornaby. You’ll take ownership of features from initial requirements through to delivery, developing PHP backend services and APIs alongside responsive, easy-to-use interfaces. Working closely with our developers and i
Tech Lead Full-Stack Rails Engineer
Mitre Media
About Mitre Media Mitre Media is redefining FinTech with AI-driven tools that empower millions of investors. Our portfolio, including Dividend.com and MutualFunds.com, leverages LLMs to deliver novel data insights and visually rich user experiences. For over a decade, we’ve served individual investors, financial advisors, and top asset managers like BlackRock and Vanguard through our premium data,
Senior Software Engineer, Product
RevenueCat
RevenueCat gives app businesses the infrastructure and tools to build, run, and improve their monetization. Since graduating from YC's S18 batch, we've grown into the default monetization platform for mobile. We're in 50%+ of newly shipped subscription apps, we process $16B+ in annual purchase volume, and we help everyone from a solo developer to the…
Senior Backend Engineer
DuckDuckGo
Who We Are Hi, we're DuckDuckGo, the online protection company and remote-first team of 400+ on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014, our annual revenue is in the hundreds of millions USD and millions use our browser on <a class="ProsemirrorEditor-link" href="https://spreadprivacy.com/introducing-duckduckgo-for-mac/
JavaScript Developer
georgebudd.co
Job Description JavaScript Developer required to join a Fund Management Fintech based in East London. This is an excellent opportunity to join an established Fintech but still have the chance to make a difference and shape the future. Skills Required • Expertise in Javascript (Node and/or React/Angular/Vue) • Some operations experience including app deployment, monitoring and configuration - Pri
Remote Office Assistant
Coalition Technologies
Coalition Technologies is seeking a reliable, detail-oriented, and highly organized Remote Office Assistant to support administrative, bookkeeping, billing, reporting, data entry, and internal operations tasks. This role is ideal for someone with strong communication skills, discretion, attention to detail, and a willingness to learn and grow within a fast-paced remote work environment. As an Offi
Frontend Engineer, Ads
Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit…
Technical Account Manager
Yuno
Remote, Brazil, Full Time, Individual Contributor, +3 years of experience <span style="font-size: 17pt; font-family: Arial, sans-serif; color: #1a1a1a
Junior CTO / Full Stack JavaScript Developer
Quant Capital
Experteer Overview In this role you contribute to a growing online platform, shaping both frontend and backend across a range of projects. You collaborate closely with a small team and have exposure to leadership, including the CEO, while tackling greenfield work and API development. You will work with modern JavaScript stack to deliver high-demand website features and improvements. The role blend
Inside Sales Contractor
Credit Wellness, LLC
About Us We are a financial services start up focusing on helping to improve consumer credit profiles. We are currently seeking KPI driven sales representatives looking to earn up to 45K in their first year while working remotely. We offer comprehensive training and continuous sales coaching to help you meet your financial goals. During our training period we offer a guaranteed training stipend wh
Senior IT Automation Engineer
Huntress
What We Do: Cybercrime is growing, and more businesses are getting hit by threats that used to target only the biggest organizations. That pushes defenders like us to operate at the highest level, and it deepens our need for good people who want to make a meaningful impact. Founded in 2015 by former NSA cyber…
Software Engineer AI Coding Tasks
Askable
We're looking for experienced software engineers to build AI coding tasks from a codebase they know well. US$1,000 per task, and you can do as many tasks as you want.You turn a real change from a repository you know into a task that today's best AI coding models struggle with: hard for the models, but fair for a skilled engineer. Your tasks are used to measure and train AI coding models.
Full Stack JavaScript Developer
Syncoms
Company Description COMPANY: At Printerpix, no day is the same. We are at the epicentre of the $600 Billion gifting experience. We help create lasting memories and see the whole world as our playground. We reward initiative and those that are courageous, take risk and live in excellence. If you are hungry to show the world that you are different, and you have the energy, passion, focus and expe
Tier III Service Desk Engineer
Unio Digital
Unió Digital is an Arizona-based managed service provider (MSP) delivering Managed IT Services, Low Voltage Cabling, Access Control, Video Surveillance, and Intrusion Services. We believe technology should be intuitive, not intimidating. We are looking for an experienced Tier 3 Service Desk Technician with exceptional problem-solving skills. You will serve as the escalation point within the team
Security Operations Analyst - West Coast Shift
Huntress
What We Do: Cybercrime is growing, and more businesses are getting hit by threats that used to target only the biggest organizations. That pushes defenders like us to operate at the highest level, and it deepens our need for good people who want to make a meaningful impact. Founded in 2015 by former NSA cyber…
Senior Software Engineer II Applied AI
Wrapbook
About Us:Wrapbook is the AI platform for production finance. Weâre building a system of action that puts finance teams in control of their whole production, from payroll, to spend, to accounting. Built for feature films, TV, and commercials, Wrapbook is trusted by teams at Netflix, Paramo
Junior/Graduate Software Engineer - C# .NET Javascript
Atreon
Pay: £30,000.00-£35,000.00 per year We are seeking a motivated and enthusiastic Junior Software Engineer to join our dynamic development team. This role is ideal for individuals who are passionate about software development and eager to learn and grow within a collaborative environment. The successful candidate will contribute to various projects, working with experienced engineers to enhance the
Freelance Writer
IAPWE
Our organization is seeking content writers to create articles and blog posts on a variety of topics. The rate of pay is $20 per 100 words (this comes out to approximately $100 per article or $50 per hour). Some topics you may be asked to write about include the following (you can always turn down a topic if you do not feel comfortable writing about it, however if you have experience or expert
Sales Engineer
Litmus
Who is Litmus Litmus is building the data foundation that powers industrial AI. AI doesn’t work without real-world, contextualized data - Litmus makes that data usable. As AI adoption accelerates, most industrial environments still can’t access or use their operational data. We solve that gap. We’re a growth-stage software company helping manufacturers access, structure, and…
Sr REACT NATIVE
Somnio Software
Qué es DeazyDeazy es una plataforma/marketplace de UK que conecta empresas que necesitan desarrollo de software con agencias de desarrollo en todo el mundo. Ellos consiguen el cliente, definen el proyecto y luego lo asignan a una agencia como Somnio para ejecutarlo. Básicamente son un intermediario entre el cliente final y nosotros.Cómo funciona el model
Lead Software Engineer (Javascript and Swift)
Ventula Consulting
Hybrid: 2–3 Days in office This is a hands‑on role combining coding with a focus on designing scalable, secure, and performant systems. Key Responsibilities: • Lead architecture and design of complex software solutions. • Mentor engineering teams and guide technical decision‑making. • Drive best practices across architecture, code quality, and delivery. Required Skills & Experience: • Prove
Freelance Copywriter
Coalition Technologies
CT Marketing Agency is seeking skilled Freelance Copywriters to write high-quality, SEO-driven content for eCommerce and lead generation websites. This is a freelance, project-based writing role. The ideal candidate has excellent English writing skills, strong research ability, and experience writing content that follows detailed, client-specific guidelines. Projects commonly include category pa
Solution Architect
Smartling
Overview Smartling is an AI-native translation platform that's redefining how the world's biggest brands go global — ranked #3 on Fast Company's Most Innovative Companies list. We're growing rapidly at scale and are backed by Battery Ventures, a global technology-focused investment firm. While most companies are still figuring out how to use AI, we've spent…
Product Engineering Lead
Tether Operations Limited
Join Tether and Shape the Future of Digital FinanceAt Tether, weâre not just building products, weâre pioneering a global financial revolution. Our cutting-edge solutions empower businessesâfrom exchanges and wallets to payment processors and ATMsâto seamlessly integrate reserve-backed toke
Junior/Graduate Software Engineer - C# .NET Javascript
Atreon
Job Overview We are seeking a motivated and enthusiastic Junior Software Engineer to join our dynamic development team. This role is ideal for individuals who are passionate about software development and eager to learn and grow within a collaborative environment. The successful candidate will contribute to various projects, working with experienced engineers to enhance their skills in software d
Senior React Full-stack Developer
Lemon.io
Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe. What we offer: The rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers. No more hunting for clients or
Sr. Software Engineer
AlertMedia
Do work that matters. At AlertMedia, we help organizations protect their people, operations, and brand. Our modern Risk Intelligence and Response platform empowers teams to detect emerging threats, assess impact, and respond with confidence. We believe building resilience should be simpler—and it starts with bringing critical information and workflows together in one unified platform. Our…
Senior React Full stack Developer
Lemon.io
Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io â the marketplace that connects you with hand-picked startups in the US and Europe.<p
Senior Full Stack Java Engineer (Java / Node.js / React)
Grid Dynamics
Join a high-performing engineering team building the next generation of workflow automation platforms within a global investment banking environment. This team is focused on transforming complex, manual post-trade processes into intelligent, automated workflows. By combining modern software engineering, workflow orchestration and AI-powered document matching, they're delivering solutions that red
Senior back-end Engineer
Lemon.io
Senior Developer? Work Remote. Get Paid Well. Build What Matters. Lemon.io connects hand-picked senior developers with vetted startups across the US and Europe — no bidding wars, no ghosting, just serious opportunities. We're currently hiring for a research-driven AI company on a mission to slash the cost of modern AI — co-designing hardware, software, algorithms, and models to make AI's benefit
Intermediate Fullstack Engineer (Ruby/Vue.js), Growth
GitLab
GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built int
Product Design Lead
Fuel50
Fuel50 is a workforce transformation platform helping organisations understand workforce capability, build skills and enable internal mobility in an AI-driven world. Our products combine skills intelligence, talent marketplace experiences and responsible AI to help people and organisations take their next step. We are looking for a Product Design Lead to shape the next chapter of our pr
AI Engineer C#.Net JavaScript SaaS
Client Server
AI Engineer / Full Stack Developer (C# .Net JavaScript Agentic AI) Reigate / WFH to 95kAre you a technologist with an AI first mindset and full stack C# development skills? You could be progressing your career in a senior, hands-on role at a global InsurTech business that is producing game changing technology. What's in it for you: Up to 95k salary plus bonusHybrid working (3 days a week work fr
Intermediate Software Engineer, Security Factory: Vulnerability Management
GitLab
GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built int
Frontend Engineer
Bjak
About ActAIThere are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal to no
Full Stack JavaScript Developer
Bdm Cx
Introduction We are looking for a skilled Full Stack JavaScript Developer to join our team at our Cape Town office in Wembley Square. [On-site positions] This is a hands-on development role for someone with a strong background across both backend and frontend development, ideally combined with experience working with telecommunications and VoIP systems. You’ll work across the full technology stac
Support Engineer I - UK
ExtraHop
At ExtraHop, we’re on a mission to protect and empower the connected enterprise. We reveal what is happening in the very infrastructure that sustains businesses, lives, and communities, and ensure the integrity of networks, data, systems, and processes. Organizations rely on ExtraHop to provide visibility into the cyber threats, vulnerabilities, and network performance issues that…
Sr Solutions Architect
ExtraHop
At ExtraHop, weâre on a mission to protect and empower the connected enterprise. We reveal what is happening in the very infrastructure that sustains businesses, lives, and communities, and ensure the integrity of networks, data, systems, and processes. Organizations rely on ExtraHop to provide visibility into the cyber threats, vulnerabilities, and network performance issues that evade their ex
Full Stack Engineer - React & Java
Computer Futures
Contract Full Stack Engineer | Java / React Location: Manchester, hybrid, 2 days per week onsite Contract: Contract Experience: 5+ years Tech: Java, Spring Boot, React, TypeScript / JavaScript The Opportunity We're working with a leading global digital organisation looking to bring on experienced Full Stack Engineers to join a team building a brand-new product from the ground up. This is a
Contract Software Engineer - WebCompat Tooling (Dashboards and Reporting), Firefox
Mozilla
The role You will build and improve the WebCompat team’s internal tooling, the dashboards and the broken-site-report screenshot pipeline the team relies on to triage and prioritize site breakage. This is a focused tooling role that makes the WebCompat program faster and more data-driven. Responsibilities Build and improve WebCompat dashboards (triage, reporting, and metrics). Improve…
Operations Engineer II
AWeber
Limited-Time Offer Done For You Email Marketing $599Only$1 Start for just $1 â87% off ends soon! $599 $79 to launch your email marketing. Start for just $79 â⦠Newsletter Assistant Features Pricing Blog Sign in My account Get AWeber FreeSign inEmail marketingEmail automation<
Junior/Graduate Software Engineer - C# .NET Javascript
Atreon Ltd
Job Overview We are seeking a motivated and enthusiastic Junior Software Engineer to join our dynamic development team. This role is ideal for individuals who are passionate about software development and eager to learn and grow within a collaborative environment. The successful candidate will contribute to various projects, working with experienced engineers to enhance their skills in software de
Software Engineer
Capital on Tap
We’re Capital on Tap Capital on Tap started because small businesses were underserved. Big banks were slow, their products weren't fit for purpose, and small business owners often couldn't access what they needed. We set out to fix that. Today we're a financial platform - not just a credit card company. We offer a…
Healthcare Virtual Assistant Athena EMR Experience
Snapscale Philippines
OverviewSnapscale is seeking a highly skilled Healthcare Virtual Assistant to support day-to-day U.S. clinic operations in a remote setup and ensure a seamless patient experience. This role requires strong communication skills, attention to detail, and hands-on experience in U.S. healthcare processes. The ideal candidate must have proven e
Junior ASP.NET MVC Developer – Fintech Javascript
Quant Capital
Experteer Overview As a Junior ASP.NET MVC Developer, you will help build a greenfield international platform for a fast-growing fintech client. You’ll work on modernising the architecture from monolithic to API/microservices while supporting a high-transaction payments gateway. The role blends backend ASP.NET MVC with frontend HTML5/JS/CSS3 and some NoSQL experience, with emphasis on agile practi
Lead Automation Engineer
Capital on Tap
We’re Capital on Tap Capital on Tap started because small businesses were underserved. Big banks were slow, their products weren't fit for purpose, and small business owners often couldn't access what they needed. We set out to fix that. Today we're a financial platform - not just a credit card company. We offer a…
Candice Beyers
Snymans Incorporated
Jansen founded Snymans Inc, dedicated to property law clients and bettering the world for loved ones.
C# Developer Full Stack .Net Core JavaScript
Client Server
C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Are you an ambitious C# Developer looking to apply your technical skills in a fast paced environment where technology, data and sport intersect? You could be progressing your career at a highly successful technology business that develops sophisticated platforms used to analyse and trade global sports markets. You
Sr. Quality Engineer
CentralReach
CentralReach is a leading provider of autism and IDD care software for Applied Behavior Analysis (ABA), multidisciplinary therapy, and special education. Trusted by more than 200,000 users, we enable therapy providers, educators, and employers to scale the way they deliver ABA and related therapies with innovative technology, market-leading industry expertise, and world-class customer satisfaction
QA JavaScript TypeScript Senior Test Engineer (AWS NODE TESTING - Sounds Web) - FTC [UK] UK London
Spyro Soft
Location • London • Hybrid – up to 2 days a week in the office • with eligibility to work in the UK. Role overview We are looking for a Senior Test Engineer to join our team.You will play a crucial role in ensuring the quality and reliability of audience-facing features. Given the need for extensive cross-browser testing, you will be expected to validate the functionality and performance of web
Sales Engineer, EMEA
Socket
About UsSocket helps devs and security teams ship faster by cutting out security busywork. Thousands of orgs use Socket to safely find, audit, and manage open source code. Our customers - from Anthropic to xAI, and Figma to Vercel - love Socket (just check out their tweets to see for yourself!)Founded by Feross Aboukhadijeh, a…
Javascript - Senior Developers - AI Training - Colchester, UK
Prolific
JavaScript Specialist- AI Training About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills. The role We're looking for JavaScript Experts to
Security Software Engineer
Canonical
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in…
Javascript – Senior Developers, AI Training, Canterbury, UK
Prolific
JavaScript Specialist- AI Training About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills. The role We’re looking for JavaScript Experts to
Presales Engineer (German Speaking)
Twilio
Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work, and strong culture of connection and global inclusion means that no…
Partner Sales Engineer (UK)
Ping Identity
About Ping Identity: At Ping Identity, we believe in making digital experiences both secure and seamless for all users, without compromise. We call this digital freedom. And it's not just something we provide our customers. It's something that inspires our company. People don't come here to join a culture that's built on digital freedom. They…