Web Frontend Engineer - JS, CSS, React, Flutter

Join Canonical as a Web/UI Engineer, where you'll craft dynamic and reliable user experiences using JavaScript, CSS, React, and Flutter. You'll be at the forefront of developing Canonical's enterprise products, acting as the interface for our users while ensuring consistency across our platforms. Collaborate with our central team to enhance our open-source R…

At Metabase, we believe that data should be accessible to everyone, from budding startups to large enterprises. Our platform empowers users to derive insights effortlessly, making it a favorite among thousands. Discover why our community loves us.We are revolutionizing business intelligence by merging the sophistication of consumer applications with the robust functionalities required by enterprises. Our open-source framework is designed to help organizations effectively measure, analyze, and share their data, serving tens of thousands of users worldwide.Metabase was born out of the desire for intuitive and user-friendly business intelligence tools that break away from the rigidity of traditional software. We strive to provide faster, more straightforward methods for querying data, ensuring that insights are available to all roles within a company. Our platform is consistently utilized by diverse organizations, and we need your expertise to enhance our user interface. We are on the lookout for talented individuals with a strong sense of product design, exceptional frontend development skills, and solid software engineering principles to join our team and push the boundaries of innovation in our space.We are hiring for multiple Frontend Software Engineer positions.

Alt is revolutionizing the alternative assets market, beginning with the $5 billion trading card industry. We empower collectors to buy, sell, vault, and finance their cards seamlessly, with backing from industry leaders like Stripe, Coinbase, and pro athletes such as Tom Brady and Giannis Antetokounmpo. Our next goal is to implement real-time pricing at scale—the Alt Value that drives all transactions, loans, and products on our platform.About Alt:&nbsp;At Alt, we are constructing the financial infrastructure needed for modern collectors, streamlining payments, lending, pricing, and liquidity for alternative assets. Our flagship mobile application, which boasts ratings of 4.9 on iOS and 4.6 on Android, serves as a hub for thousands of users to manage, appraise, and trade their collections in real time. As we expand our global reach, we are seeking exceptional builders for our engineering team who are eager to take ownership of significant product features and help shape the future of fintech and marketplaces.The Role:&nbsp;We are in search of a Senior Fullstack Engineer, Frontend with extensive React Native expertise to become a key member of our mobile team. You will be responsible for the end-to-end development of our flagship mobile experience, playing a pivotal role in the architecture, scalability, and performance of our application. This is a high-impact and high-visibility position: your contributions will directly influence the core product experience driving Alt’s growth. We seek someone who is not only focused on completing tasks but is also deeply committed to customer satisfaction, striving to create delightful experiences and deliver genuine value to the collectors and enthusiasts who depend on Alt.This role is perfect for individuals eager to define technical direction, mentor fellow engineers, and eventually transition into leadership or management roles as we grow.You will also contribute to our React-based web application, with a focus split of approximately 70% frontend and 30% backend, following a mobile-first approach.What You’ll Do:</span>

Join Assured as a Senior Frontend Engineer and play a pivotal role in transforming the insurance industry. Our mission is to revolutionize claims processing, which remains a largely manual and inefficient process costing billions annually. At Assured, we empower major insurers with innovative software solutions that are reshaping the landscape of claims management, from user-friendly self-service claim filing to advanced fraud detection systems. Your expertise will help us enhance the digital experiences we provide to claimants during their most vulnerable times, ensuring clarity and comfort. As part of our dynamic and collaborative team, you will lead significant aspects of our B2B SaaS platform, optimizing performance and usability while fostering an environment of innovation and excellence.

Join Phantom, the innovative money management app that's transforming the financial landscape for millions globally. Our platform seamlessly integrates essential tools for managing, spending, and growing money into a user-friendly experience. At Phantom, we empower users with the control and flexibility of crypto finance, all while eliminating unnecessary complexities associated with traditional financial platforms.Our commitment to industry-leading security combined with expertly designed tools ensures that powerful financial solutions are both accessible and easy to navigate. This dedication to user experience has led to remarkable growth, with over 20 million active users, a #1 ranking in the Google Play Store finance category, and a consistent spot among the Top 50 apps across all categories, standing shoulder to shoulder with the most recognized consumer technology brands worldwide.Key ResponsibilitiesAs a Senior Frontend Engineer, you will be passionate about delivering outstanding user experiences characterized by sharp visuals, fluid transitions, and intuitive user journeys—all while maintaining an agile approach to development. You'll possess the discernment to know when to refine features and when to prioritize speed in deployment.Your focus on reliability, thorough testing, and performance will complement your exceptional communication skills, allowing you to effectively collaborate with designers, product managers, and backend engineers to ensure rapid development without compromising quality.In this role, you will take ownership of core user experiences, contributing to the creation of a world-class and trustworthy application.

About UpDocAt UpDoc, we are pioneering the development of the world's first clinically validated, physician-supervised conversational agent designed to manage chronic diseases. This groundbreaking initiative represents the first step towards creating a genuine "AI doctor". With esteemed partners such as Stanford, Mayo Clinic, Eli Lilly, UCSF Health, and Microsoft, UpDoc is committed to building a future where every patient can access top-tier, personalized care. Discover more about our mission here.We are on the lookout for a skilled and enthusiastic Frontend Engineer to become a vital member of our team. In this role, you will contribute significantly to the development of our patient mobile applications and physician-facing interfaces. This position allows for full remote work.Who You AreYou are a Frontend Engineer with robust experience in TypeScript and Svelte, adept at constructing modern web applications. You possess a deep knowledge of SvelteKit, Tailwind, and the broader frontend ecosystem, and you are excited to leverage that expertise in building applications for both patients and providers that interface with various EHR systems and Android/iOS PWAs. Familiarity with Capacitor, Kotlin, or Swift is advantageous. You prioritize user experience, reliability, and the meaningful impact your work can have on the healthcare sector.What You'll DoContribute to the development and maintenance of patient and provider-facing applications utilizing SvelteKit, Tailwind, and TypeScript.Create progressive web applications compatible with both Android and iOS platforms.Enhance PWAs with Kotlin and Swift native code plugins to facilitate access to local device APIs.Implement integrations with various health data sources, including CGMs and Apple HealthKit.Collaborate closely with backend engineers to design and utilize APIs, ensuring secure and reliable data transfers.Work in tandem with designers to transform prototypes into accessible and high-performance interfaces.Engage with clinical experts to validate application functionality and ensure patient safety.What You’ll NeedMinimum of 4 years of experience in TypeScript and web development.At least 4 years of experience working with Svelte or similar component-based frameworks.Strong expertise in Svelte and SvelteKit.Proficient in Tailwind CSS.Familiarity with CapacitorJS is a plus.Exposure to Kotlin and Swift is an advantage.

We are seeking a talented Full Stack Developer with strong .NET skills to join our dynamic team at Almavivadebelgique. This fully remote position is perfect for an innovative individual who thrives in a collaborative environment.As a Full Stack Developer, you will be responsible for:Developing and debugging web frontend code using modern SPA frameworks such as Vue.js and Angular.Managing front-end build configurations and npm tasks efficiently.Utilizing Typescript and contemporary web development practices.Writing responsive CSS and HTML with SASS and Semantic UI.Participating in the implementation of a .NET-based microservices solution, focusing on creating reliable, scalable, and secure backend code.Deploying and managing services on Kubernetes.Implementing unit and integration tests for both backend and frontend code.Setting up OAUTH authentication mechanisms.Collaborating with various technical teams to deploy new features and changes to production.Documenting technical solutions while adhering to secure coding practices, including logging and auditing features.

Phantom is at the forefront of revolutionizing personal finance, serving millions globally with our innovative money management application. We seamlessly integrate essential financial functionalities into a single, user-friendly platform, empowering users to navigate the complexities of crypto finance with ease.Our commitment to security, combined with intuitive design, ensures that advanced financial tools are accessible to everyone. As a testament to our success, we have cultivated a thriving community of over 20 million users, clinching the top spot in the Google Play Store's finance category and consistently ranking among the Top 50 apps across all sectors, alongside leading consumer tech giants.

Phantom is the cutting-edge financial application embraced by millions globally. Our platform integrates all the essential features for managing, spending, and growing wealth into a seamless and user-friendly experience. Phantom simplifies crypto-powered finance, offering users control and flexibility without the hassle of unnecessary complications.By merging top-tier security with thoughtfully designed functionalities, Phantom transforms sophisticated financial tools into accessible and user-friendly options. Our commitment to speed, control, and exceptional user experience has driven rapid expansion, with over 20 million users, securing the top spot in the Google Play Store's finance category, and consistently ranking among the Top 50 apps across various categories, alongside some of the world’s most recognized consumer technology platforms.Key ResponsibilitiesWe are seeking a Senior Frontend / Fullstack Software Engineer to spearhead the asset discovery experience across tokens, perpetuals, and prediction markets. As a vital member of our Discovery pod, you will design, construct, and scale systems that empower users to explore, assess, and interact with a diverse range of tradeable assets. This position encompasses web, mobile, and browser extension development, necessitating strong frontend know-how with fullstack ownership from conception through to production.We are looking for individuals who demonstrate high agency and a proactive approach—those who can identify opportunities, drive solutions, and deliver high-quality products from beginning to end. You excel in fast-paced environments, thrive in ambiguity, and take complete ownership of your results. You will collaborate closely with product, design, and trading teams to create intuitive, impactful discovery experiences. If you are passionate about shaping the future of asset discovery in emerging markets, we would love to connect.Feature Development: You will be responsible for developing features on our web and mobile platforms, including the Phantom Extension, Phantom Terminal, and the mobile app.New Initiatives and Products: You will lead projects to incorporate support for additional blockchains into Phantom and to launch new complementary products or infrastructure.User Interaction: You will engage directly with end-users and developers using Phantom—providing support and gathering feedback to guide product development.

Join DualEntry as a Senior Frontend EngineerFounded in 2024, DualEntry is rapidly emerging as a leader in the AI startup landscape. We are pioneering the future of finance with our innovative AI-native ERP system, designed to revolutionize the fintech sector, which boasts a staggering market size of over $220 billion.At DualEntry, we empower accounting teams to increase efficiency and reduce manual data entry through advanced AI technology. Our clients range from burgeoning businesses generating $5 million in annual recurring revenue to NYSE-listed corporations, all trusting us to streamline their financial operations. We are committed to transforming the traditional finance team structure and leaving behind the burdens of outdated ERPs.As a part of our dynamic team, you will experience an environment driven by urgency and ownership, where fast-paced decision-making is the norm.Why Your Role is CriticalIn just 18 months, we have secured over $100 million in funding from renowned investors including Lightspeed Venture Partners, Khosla Ventures, and Google Ventures. Our rapid growth is a testament to the exceptional talent we have assembled from top-tier tech and accounting firms such as Meta, Microsoft, and Deloitte.As a Senior Frontend Engineer, you will take full ownership of developing and maintaining high-performance web applications, ensuring a seamless user experience. This hands-on role demands a commitment to excellence and the ability to make swift decisions to propel our projects forward.Location: Fully remote, with occasional collaboration expected during EST business hours.

Join DualEntry as a Staff Frontend EngineerFounded in 2024, DualEntry is rapidly establishing itself as a leader in the AI-driven finance sector. Our mission is to revolutionize the ERP landscape, valued at over $220 billion, by providing innovative solutions that enhance efficiency for accounting teams. Thousands of companies still rely on outdated systems, and we're here to change that.Our cutting-edge AI-native ERP platform empowers finance professionals, enabling businesses of all sizes—from startups to Fortune 500 companies—to automate tedious manual tasks. By eliminating the burdens of legacy ERPs, we are redefining what a finance team can achieve.We pride ourselves on a culture of urgency and ownership, moving swiftly and decisively to meet our goals.Why Your Role is CrucialIn just 18 months, we've successfully secured over $100 million in funding from prestigious investors such as Lightspeed Venture Partners and Google Ventures, alongside numerous influential angel investors. Our growth trajectory is impressive, and we owe it to our talented team drawn from top tech and accounting firms including Ramp, Meta, Microsoft, and Deloitte.As a Staff Frontend Engineer, you'll be responsible for developing and maintaining high-performance web applications that deliver exceptional user experiences. You will have full ownership of your work, with opportunities to deploy code daily and make impactful decisions.This is a dynamic, hands-on position where we expect you to strive for excellence and continuously elevate our standards.Location: Fully Remote with occasional overlap with our New York City headquarters (EST)

Join Trust Wallet as a Senior Frontend Engineer in the exciting realm of Web3 trading! We are looking for talented individuals to help us build a seamless and efficient trading experience for our users. You will play a pivotal role in designing and implementing user-friendly interfaces that meet the needs of our global user base.

Join Binance, the world’s premier blockchain ecosystem and the largest cryptocurrency exchange by trading volume and registered users. With a trusted community of over 230 million across 100+ countries, we lead the industry in security, transparency, speed, liquidity, and a diverse range of digital-asset products. Our offerings encompass trading, finance, education, research, payments, institutional services, Web3 features, and much more. We harness the potential of digital assets and blockchain technology to create an inclusive financial environment, enhancing access to financial services globally.About the Binance Accelerator ProgramThe Binance Accelerator Program is a dynamic, fixed-term initiative tailored for early-career professionals eager to dive into the expanding Web3 landscape. This is your chance to experience the inner workings of Binance and gain invaluable insights into the industry's leading blockchain ecosystem. Alongside your role, you'll engage in networking opportunities and developmental activities that will expand your professional connections and enhance your skill set to advance your career. Discover more about the BAP Program HEREWho Can ApplyWe welcome current university students and recent graduates to apply.

Note: This is a completely remote position; however, applicants must reside within the EMEA region to effectively collaborate with our teams and stakeholders. Please apply only if you are based in EMEA.Hostaway is a leading SaaS scale-up revolutionizing the vacation rental market. With cutting-edge solutions and strategic partnerships with industry leaders such as Airbnb, VRBO, and Booking, we are successfully navigating the competitive landscape. Our commitment to customer-centric values enables us to consistently achieve results that foster growth, innovation, and learning for our team, clients, and the industry as a whole.As a profitable, high-growth company and the first unicorn in the short-term rental Property Management System sector , we invite you to join us during this exciting phase of our journey. To learn more about our recent valuation and our story, click here.As the Principal Frontend Engineer, you will be responsible for establishing and advancing the overarching frontend vision of the organization. This role involves shaping our design system, enhancing developer experience, setting accessibility standards, and architecting our frontend solutions. You will collaborate closely with leadership across Product, Design, and Engineering to ensure our platform's seamless scalability while empowering teams to deliver exceptional user experiences that redefine industry standards.

About Dash0At Dash0, we are revolutionizing the world of observability. Our OpenTelemetry-native platform is designed to be intuitive, user-friendly, and AI-driven, alleviating vendor lock-in and unnecessary complexity. Join us in creating a product that developers adore, complete with transparent pricing and built-in cost control.The OpportunityWe are seeking a Senior Product Engineer to enhance the user interface of a product that developers genuinely love. You'll become part of one of our innovative teams, such as Agent0, our cutting-edge Agentic AI Platform for Observability, or our Intelligent Edge solution, aimed at significantly reducing observability costs for our customers.This role transcends the traditional frontend position. Our users navigate through billions of signals, and your mission is to make data exploration seamless and intuitive rather than overwhelming. You will co-manage the frontend architecture, collaborating closely with product managers, designers, and backend engineers while championing the user experience in every decision made. We are in search of a Product Engineer, not just a software developer.What You'll DoDesign and implement a high-performing, user-friendly, and data-rich interface using React and TypeScript that transforms billions of observability signals into actionable insights.Share ownership of the frontend architecture, encompassing component design, state management, and overall structure, ensuring the UI remains efficient even with large datasets.Collaborate with product managers, designers, and backend engineers to shape both the appearance and functionality of the product, advocating for the user experience throughout.Deliver production code from week one, and within three months, contribute significant user-facing features that enhance data visualization and issue diagnosis for customers.Utilize AI and agentic coding tools to expedite development, applying technical judgment to refine and finalize outputs.Guide fellow engineers and promote frontend best practices throughout the team, including Tailwind CSS, testing frameworks, and component patterns.

About TrafileaTrafilea is a leading Consumer Tech Platform dedicated to transformative brand growth. We are on a mission to create the AI Growth Engine that fuels the next wave of consumer brands.With over $1 billion in cumulative revenue, more than 12 million customers, and a diverse team of over 500 talents across 19 countries, we blend technology, growth marketing, and operational excellence to elevate purpose-driven, digitally native brands.We proudly own and operate our own digitally native brands—not acting as an agency—featuring a presence in major retailers like Walmart, Nordstrom, and Amazon, and maintaining a robust global direct-to-consumer footprint.Why Join Trafilea?We are a tech-driven eCommerce group focused on scaling our own globally recognized DTC brands, while fostering rapid growth for ambitious talent. We build and scale our own brands. We invest heavily in AI and automation to innovate beyond traditional eCommerce. We prioritize rapid testing and growth, empowering you to excel alongside us. Become part of a dynamic, diverse, and talented global team. Enjoy a fully remote position with a competitive salary, paid time off, and additional perks.

Join Us in Shaping the Future of Video CommerceYour RoleAt Axonista, an award-winning video technology leader, we empower the world’s most innovative media companies and brands to create and launch dynamic interactive video experiences. Our platform supports everything from shoppable videos to streaming services, serving clients like QVC, HSN, WaterBear, Virgin Media, and the Irish Film Institute.We are seeking a skilled Developer Advocate to enhance our Developer Experience on our platform. In this role, you will enable our Customers, Partners, and internal App teams to swiftly create impactful video-first applications across Web, Mobile, Smart TVs, and Set Top Boxes.This position is fully remote, welcoming applications from Ireland, Croatia, or Spain.Your Responsibilities Develop and manage our Developer Hub, producing a variety of content including how-tos, articles, whitepapers, videos, blogs, and newsletters.Gather and analyze feedback from partners, customers, and internal App Development teams.Collaborate closely with the product team to enhance our platform features.Assess developer platform and API/SDK usage to identify improvement opportunities.Partner with Platform and App Dev teams to define new and upgraded SDKs.Utilize friction logging and dog-fooding to drive forward the developer platform.Act as a liaison for our developer community, offering technical support and guidance.Work alongside our App Dev teams to produce best-practice sample code and applications to streamline the development of new apps on our platform.Your QualificationsAs you join our multi-functional, multi-country teams with expertise in Web, Mobile, and OTT applications, you should ideally possess:5+ years of experience in a technical role.Proven experience as a Developer Advocate, DevRel, or Sales Engineer.Familiarity with REST APIs and API integrations, along with knowledge of GraphQL.Understanding of mobile app development methodologies.Exceptional ability to write clear and impactful technical documentation.A proactive approach to onboarding new developers.Strong communication and interpersonal skills to engage with developers effectively.

Become Part of the VRChat Revolution!At VRChat, we are pioneering a transformative platform that offers an unparalleled array of social VR experiences, empowering our vibrant community to unleash their creativity. With an ever-expanding library of over 250,000 worlds, our mission is to enable users to manifest their imaginations and contribute to shaping the metaverse from anywhere in the world on any device. Backed by $100M in funding from esteemed investors like Makers Fund, Anthos Capital, and HTC, our diverse team boasts alumni from industry giants such as Netflix, Twitter, Meta, Microsoft, Roblox, Google, Amazon, Unity, Spotify, Discord, Uber, eBay, Robinhood, Twitch, Zynga, and TikTok. Join us in our exciting journey!Position OverviewWe are seeking a talented Frontend Engineer to join our Social Experience team. In this pivotal role, you will be key in developing and enhancing client-side features that elevate user connectivity, interaction, and content discovery, including optimizing group and event experiences. Your work will involve leveraging the Unity engine and C# to create high-quality, high-performance, and engaging user interfaces and systems.

Join Binance, the world's premier blockchain ecosystem, as a Golang Developer. In this role, you'll contribute to the development of cutting-edge applications that power the largest cryptocurrency exchange globally. Collaborate with innovative teams to enhance our extensive portfolio of digital asset solutions, ensuring security, speed, and efficiency. You'll be instrumental in refining our trading engine and expanding our offerings in finance, education, and Web3 features. If you're passionate about blockchain technology and ready to make a significant impact, we want to hear from you!

Who are we, and why are we hiring?With over 15 years of excellence, Kodify is a leader in creating outstanding video content and managing numerous high-traffic websites. Our award-winning platforms cater to millions of users globally. At Kodify, we are not merely breaking barriers in online entertainment; we are redefining the narrative! Our mission is to equip our team with the resources they need to drive innovation in our field. We pride ourselves on our unique culture, which we continue to nurture and enhance.Become a part of our team, where our employees are our greatest asset. We prioritize your growth and well-being, setting you up for success and inspiring you to produce your best work.As a fast-growing organization with diverse teams across the globe, we offer exciting challenges designed for an exceptional Senior Full-Stack Developer!At Kodify, we are passionate about technology and continuously explore what lies ahead! Our culture embraces R&D and constant optimizations.What will you do?Enhance a platform that attracts nearly 100M unique visitors monthly.Develop, maintain, and innovate both Server and Client-side applications.Take ownership of technical design, development, and testing.Collaborate with Product Owners, Designers, and domain experts to communicate possibilities and limitations effectively.Performance Focus: Strive to minimize API response times using the best available tools to ensure complete visibility: Metrics, Distributed Tracing, and Aggregated Trace Metrics.Duties: Become a valued team member, offering insights into technology, development processes, and lifecycle. Own your code, tasks, and role.Goal: Take pride in your achievements, contribute to our product's success, and drive continuous improvements.Where and when:This role is fully remote, allowing you to work from anywhere in the EU.We offer flexibility regarding your working hours, though we encourage collaboration during our core hours (10:00 to 15:00 CET) to facilitate communication among team members.* Daily virtual stand-ups are essential for us, but beyond that, you can manage your own schedule.What we offer:Fully remote position or the option to work from our vibrant office in Barcelona!Agile work environmentAccess to a top-tier technology stack!