Front-end Software Developer

About EdraAt Edra, we tackle one of the most complex challenges in enterprise AI: while AI models are broadly applicable, company processes are uniquely tailored. Our innovative AI agents learn the intricacies of these processes and optimize their operations accordingly.As a Series A startup backed by Sequoia and other top venture capital firms, we're rapidly expanding our teams in New York and London. Our engineering team consists of highly skilled engineers, AI researchers, and strategic thinkers who share the conviction that extraordinary talent is the cornerstone of groundbreaking innovations.The RoleWe are on the lookout for Product Engineers who are passionate about the art of software development. Ideal candidates will excel in strong typing, thoughtful API design, and robust data modeling, ensuring our systems are enjoyable for other engineers to engage with. As an early member of the engineering team at Edra, you will not only influence product development but also help shape our engineering culture, tooling, and foundational technologies.Our approach is both intentional and thorough. We believe there should be no divide between building and shipping; you will transition from the drawing board to production and assume full responsibility for the results. We prioritize crafting robust solutions over hastily delivering fragile outputs, and we view speed and quality as mutually reinforcing, rather than opposing factors.What You'll DoDevelop high-quality user-facing product experiences primarily using TypeScript and React.Engage in frontend architecture decision-making.Collaborate closely with design teams to contribute to product direction and design, articulating clear rationale behind interface decisions.Take ownership of your projects: gather context, manage dependencies, and drive tasks to completion autonomously.Adapt to various roles as necessary, whether building a component library, collaborating with designers, or debugging issues at the API level.Work collaboratively within a cross-functional team of engineers and AI specialists.Shape the technical direction by selecting tools, establishing patterns, and setting conventions that the team will rely on for years to come.Commit to continuous personal growth and knowledge sharing within the team.While primarily focused on frontend development, a solid understanding of backend systems will be necessary for troubleshooting.

Join the Edra TeamAt Edra, we're tackling one of the most challenging issues in enterprise AI: the gap between generic AI models and specific company processes. Our mission is to develop AI agents that not only understand how these processes operate but also enhance their efficiency.As a Series A startup, with backing from Sequoia and other prestigious venture capitalists, we are expanding our team in both New York and London. Our team consists of highly skilled engineers, AI researchers, and strategists who share a commitment to excellence, believing that remarkable individuals are the cornerstone of our success.Your ImpactWe are on the lookout for passionate Full Stack Engineers who have a strong dedication to software craftsmanship. You will focus on thoughtful API design, robust data modeling, and user interfaces that provide a seamless experience for both users and fellow engineers. Your role will involve creating a comprehensive platform, workflows, user experiences, integrations, and observability tools that ensure our AI solutions are effective in real-world applications. As an early member of the engineering team, you'll not only influence our product development but also help shape our engineering culture, tooling decisions, and technical foundations.We value a deliberate and thorough approach to our work. We believe in integrating the building and shipping processes; you will transition from concept to production, taking full responsibility for your outcomes. Our priority is to deliver thoughtful solutions rather than rushing fragile implementations, viewing velocity and quality as mutually beneficial rather than opposing forces.Key ResponsibilitiesDesign and implement platform systems using Python (FastAPI), including API contracts, database schemas, and infrastructure, alongside creating high-quality user experiences with TypeScript and React, focusing on clean component design, strong typing, and maintainable front-end architectures.Develop shared TypeScript and Python libraries, component systems, and internal tools that enhance the productivity of the engineering team. You will define and uphold best practices, shared types, and contracts across front-end and API boundaries.Fully own your projects: gather context, manage dependencies, and drive tasks to completion independently, without waiting for a product manager to assign tickets. Your day may include designing a schema in the morning, creating a React component in the afternoon, and troubleshooting a deployment issue by the end of the day.Contribute to the product's vision and design. Collaborate closely with design teams, critically assess interface choices, and participate in weekly product meetings to gain insights into how customers and deployed engineers utilize what you create.Maintain and build connectors, integrations, and tools that ensure our platform continuously evolves and meets user needs.

Join Edra as an AI EngineerAt Edra, we are tackling one of the most challenging issues in enterprise AI: the mismatch between generic AI models and specific company processes. We are developing AI agents that learn to navigate and execute processes as they truly operate.As a Series A startup, supported by Sequoia and other notable venture capital firms, we are expanding our teams in New York and London. Our workforce is composed of exceptionally skilled engineers, AI researchers, and strategists who believe that outstanding talent is the cornerstone of our success.Your RoleYou will be instrumental in creating a learning system that equips AI agents with the knowledge of how enterprises function. This system will assimilate knowledge bases, dialogues, tickets, and system logs, generating written directives that agents can confidently execute, including a scoring mechanism to determine when to automate tasks or request human intervention.We seek AI Engineers with a track record of building intricate, production-ready LLM-based systems. If you've scaled LLM workflows to manage millions of requests, developed multi-agent systems in live environments, or created evaluation frameworks for enterprise applications, we want you. Your contributions will directly impact our core learning library, and you will ship features that serve actual enterprise customers while enhancing the platform. This role covers continuous learning systems, agentic features, human-in-the-loop feedback mechanisms, and orchestration of AI agents.Your ResponsibilitiesContribute to our core context learning library by implementing new learning capabilities and generalizing them for broader platform use.Design and execute LLM-powered systems and workflows from initial concept to production.Collaborate with enterprise customers to identify issues, prototype solutions, and bring them to production.Develop agentic features for knowledge management, enabling agents to autonomously edit, update, and maintain extensive knowledge bases.Establish reliability and confidence systems, including evaluation frameworks and logic for determining when to automate versus when to escalate to human oversight.Architect asynchronous, scalable systems for complex AI orchestration.Influence the direction of our AI strategy and product capabilities.

Join us as a Front-end Engineer at Magentic, where you will play a pivotal role in shaping the way leading enterprises interact with AI on a daily basis. You will enhance the core product experience for users as they collaborate with AI agents to achieve what they once thought was impossible.If you’re passionate about human-computer interaction and eager to work at the forefront of AI technology, we want to hear from you!We are breaking new ground with innovative agentic systems capable of managing entire procurement workflows. Our mission is to empower global manufacturing supply chains to adapt in a constantly evolving world, targeting a $3 trillion market opportunity.Excitement continues as we are backed by top-tier investors, including Sequoia Capital, and you will be collaborating with a highly skilled team drawn from industry giants such as OpenAI, Meta, Revolut, NASA, and McKinsey.

Join Jane Street as a Front End Software Engineer, where your passion for front-end development and user-interface design will drive the creation of innovative browser-based tools for our trading infrastructure. As we cater to expert users, our goal is to uphold an exceptional user experience while crafting tools that are both flexible and powerful enough to meet the demands of our highly engaged clientele. In this role, you will not only contribute to individual tools but also identify opportunities to develop libraries and abstractions that encapsulate common interaction patterns, enhancing our development practices and overall approach to UI development.

About Clear Street:At Clear Street, our mission is to empower sophisticated investors with seamless access to every asset across various markets, all through a unified platform designed for speed, transparency, and scalability.We equip our clients with cutting-edge technology, tools, and services that were once exclusive to the largest financial institutions, all rebuilt on modern infrastructure. Our cloud-native, end-to-end capital markets platform not only supports investor growth today but is also revolutionizing their interactions with markets for the future.Discover more at https://clearstreet.io. The Role:As a Senior Front-end Software Engineer, you will play a pivotal role in developing our flagship product, Clear Street Studio, offering a state-of-the-art prime brokerage experience. You will confront challenging problems that require careful trade-offs to deliver clean and efficient solutions. Your expertise will elevate our standards in providing exceptional solutions that enhance user experience and maintain high service level agreements (SLAs).This position is integral to engineering the next iteration of our advanced Studio (portal) tailored for a diverse clientele, including hedge funds, traders, and portfolio managers.

Role Overview Vega is hiring a Front-end Engineer in London. This position focuses on building and improving web interfaces that serve a wide range of users. The work centers on creating responsive, accessible designs and collaborating with colleagues from different teams. What You Will Do Work with cross-functional teams to design and implement user interfaces Use HTML, CSS, and JavaScript to build and refine web pages Contribute to a consistent and positive user experience across Vega’s products Ensure designs adapt smoothly to different devices and screen sizes Key Skills Proficiency in HTML, CSS, and JavaScript Experience developing responsive web interfaces Ability to collaborate with team members from different disciplines This role is based in London.

Join Multiverse, an innovative upskilling platform at the forefront of AI and technology adoption. We partner with over 1,500 organizations to reshape the workforce through transformative learning experiences.Our apprenticeships cater to individuals across all ages and career stages, equipping them with essential AI, data, and tech skills. Our learners have generated more than $2 billion in ROI for their employers by applying their new skills to enhance productivity and performance metrics.In June 2022, we secured a $220 million Series D funding round, co-led by StepStone Group, Lightspeed Venture Partners, and General Catalyst, achieving a post-money valuation of $1.7 billion and becoming the UK’s first EdTech unicorn.With a robust operational presence and a team of over 800, we have ambitious plans for further expansion. Our vision is to create a world where technology skills unlock individual potential and drive results. Become part of Multiverse and help us empower the workforce to thrive in the age of AI.We believe that the most remarkable user experiences arise from the synergy of outstanding design and engineering. We are seeking a Front End Engineer focused on our Design System, which is pivotal in delivering top-tier UX to nearly half a million learners.Design engineering is a diverse field; we welcome both design-savvy engineers and technically inclined designers. You'll be instrumental in developing our design system and other essential frontend projects while exploring how emerging technologies (AI, agentic tools) can revolutionize development practices.The OpportunityAs part of a multidisciplinary team that encompasses brand, product design, and engineering, your primary focus will be to enhance and evolve Multiverse’s design system, ensuring our suite of applications is consistent, accessible, and high-performing at scale.Additionally, you will investigate how agentic workflows and AI-driven tools can facilitate innovative working methods—allowing teams to prototype, experiment, and implement changes across applications swiftly. Your contributions will redefine collaboration between design and engineering and help pioneer the next generation of design engineering at Multiverse.What We Mean by an “Agentic Design System”We aim to elevate our design system to enable swift modifications across our applications in minutes, rather than days.Our goal is to empower product and design teams to prototype and experiment without compromising quality through vibe-coded interfaces.We seek to provide our developers and designers with top-tier tools to enhance their creative processes.

Join a Transformative OrganizationAt Palantir, we create groundbreaking software that revolutionizes data-driven decision-making and operations. Our platforms empower partners to develop life-saving medications, anticipate supply chain disruptions, locate missing children, and much more by delivering crucial data to those who need it most.About the RolePalantir Foundry is an all-encompassing platform designed for data-driven decision-making. We are redefining how organizations securely integrate their data, enabling them to construct reliable and essential applications on a unified foundation. Our clients utilize Foundry to conduct in-depth analyses that drive core operational strategies. They can also develop sophisticated applications such as operational dashboards, alert management systems, and resource allocation tools powered by advanced machine learning models.As a Senior Front End Software Engineer specializing in application development for Foundry, you will play a key role in designing the tools employed by thousands of users to create the advanced applications that fuel their businesses. Your responsibilities will include architecting and developing user interfaces, managing state, and implementing access patterns to facilitate data-intensive workflows that are both powerful and user-friendly. One day, you may engage with users to gain insights into their needs and pinpoint product enhancements; the next, you could collaborate with your teammates to address intricate UX challenges by integrating customer feedback and insights from various industries.You will routinely tackle complex technical challenges that require you to outline solution designs and identify incremental steps for delivering new features. This includes owning the APIs and schemas that underpin your frontend code and collaborating with backend engineers to develop them.We seek engineers who are dedicated to solving real-world issues and enabling both developers and end-users to achieve optimal results. If you are passionate about creating reliable, high-performance, and scalable systems, as well as designing robust APIs and primitives, this role offers a unique opportunity to significantly influence our products and the individuals who utilize them.Frontline OpportunityFoundry Software Engineers may have the chance to participate in Frontline, a distinctive program that offers a short-term assignment with customers. This immersive experience allows you to work directly with users, gaining valuable insights into how our products are applied and the challenges faced by our clients. Unlike traditional engineering roles, Frontline exposes you to complex, ambiguous problems, empowering you to innovate solutions that directly enhance user experiences.

About Blockchain.com Blockchain.com connects people to the world of cryptocurrency. Since 2011, the company has supported over 90 million wallet holders and more than 40 million verified users, processing more than $1 trillion in transactions. Role Overview The Institutional team at Blockchain.com is looking for a Front-End Engineer based in London. This group focuses on building tools and experiences for institutional clients in the crypto space. What You Will Do Collaborate with colleagues to deliver front-end solutions for institutional products Contribute to a culture that values courage, productivity, and continuous improvement Work to optimize processes and deliver results that matter Grow your skills by learning from others and sharing knowledge What We Look For Strong interest in front-end engineering and digital assets Team player who values collaboration and learning Commitment to high standards and impactful work Based in London or willing to work from the London office

Join our dynamic team at Ratio Recruitment Ltd as a Front End Developer in London! We are seeking a talented individual who is passionate about creating engaging and user-friendly web interfaces. In this role, you will collaborate with designers and back-end developers to deliver high-quality web applications that enhance user experience.

Join us at Magentic as a Front-end Product Engineer and play a pivotal role in revolutionizing how professionals at leading global companies utilize AI in their everyday tasks. Here, you will have the opportunity to influence the core product experience for enterprise users as they collaborate with advanced AI agents to achieve unprecedented outcomes.If you are passionate about exploring the latest advancements in human-computer interaction, this is the place for you.We are at the forefront of AI innovation, developing next-generation agentic systems capable of managing comprehensive procurement workflows. Our mission is to fortify global manufacturing supply chains, tapping into a $3 trillion market opportunity.Excitingly, we are backed by renowned investors including Sequoia Capital, and you will be collaborating with a remarkably talented team comprised of experts from OpenAI, Meta, Revolut, NASA, and McKinsey.

About the Role m3usa is hiring a Front-End Developer in London. This position works closely with designers and back-end developers to build web applications that deliver smooth, reliable user experiences. Collaboration across departments is a regular part of the job. What You Will Do Develop and maintain modern web interfaces Work with design and back-end teams to implement new features Help shape user experiences through thoughtful front-end code Who We’re Looking For Experience with current web technologies Interest in creating high-quality, user-focused applications Comfortable working with colleagues across different functions This is a good fit for someone who enjoys building things that users notice and value, and who likes working in an environment where things move quickly.

Improbable is a cutting-edge Venture Builder and technology innovator at the forefront of developing advanced networked and digital infrastructure tailored for the web3 economy. Collaborating with industry leaders, we are pioneering businesses focused on AI transformation, the metaverse, and web3. We not only create startups from the ground up but also invest in existing ventures.Founded in 2012 and headquartered in London, Improbable embarked on an ambitious journey to enable vast, dynamic, and interactive online worlds. Over the last decade, we have established ourselves as a global powerhouse in venture creation, decentralized technology, digital assets, and blockchain-enabled infrastructure, empowering creators, brands, and communities to craft and scale the next generation of digital experiences.At Improbable, you will be surrounded by passionate individuals dedicated to enhancing their surroundings and motivating you to reach your potential. We thrive on the fulfillment that comes from tackling challenging problems to achieve meaningful and transformative outcomes.Your RoleIn the position of Principal Frontend Engineer, you will not only develop user interfaces but also serve as the architectural leader for our DeFi ecosystem. Your mission will be to address the industry's most complex challenge: simplifying blockchain backend complexities to provide a seamless, consumer-grade user experience.You will become part of a collaborative, cross-functional team comprised of friendly, adaptable, creative, and product-focused engineers who share a common passion for building high-quality, user-centered software that generates genuine impact.

Join Edra: Pioneering Solutions in Enterprise AIAt Edra, we're tackling one of the most challenging issues in enterprise AI: while AI models are inherently generic, company processes are uniquely specific. Our mission is to develop AI agents that comprehend how these processes operate and effectively manage their tasks.As a Series A startup, we are proudly supported by Sequoia and other prestigious venture capital firms. With our teams expanding in New York and London, we are a highly technical group comprising engineers, AI researchers, and strategists who all uphold a rigorous standard for talent. We believe that exceptional individuals are the cornerstone of our future success.Your RoleWe seek dedicated Backend Engineers who are passionate about the art of software development. Your focus will be on implementing strong typing, thoughtful API design, and robust data modeling. You will not be developing AI models; instead, you will construct the surrounding ecosystem: the platform, workflows, interfaces, integrations, and observability that render our AI applicable in real-world scenarios. As one of the early engineers at Edra, you will have the opportunity to influence not only the product but also the engineering culture, tooling decisions, and technical frameworks upon which our company is built.Our approach is intentional and thorough. There is no distinction between 'building it' and 'shipping it'—you will oversee the journey from conceptualization to deployment, taking full ownership of your outcomes. We prioritize thoughtful development over speed, striving for a balance between velocity and quality.Key ResponsibilitiesDesign and implement platform systems utilizing Python (FastAPI), including API contracts, database schemas, and infrastructureDevelop and sustain connectors, integrations, and data pipelines that link our platform to external systemsCreate internal libraries, tools, and interfaces that enhance the productivity of the engineering teamTake full ownership of your work by gathering context, managing dependencies, and driving tasks to completion independentlyEngage in multiple roles across the stack—design a schema in the morning, develop the API layer in the afternoon, and troubleshoot a deployment issue by day’s endParticipate in weekly product meetings, understand user interactions with your creations, and help shape future developmentsCollaborate daily with a small, elite team of engineers and AI specialistsHave a direct impact on the technical direction: select tools, establish patterns, and define conventions for the team

At Synthesia, the preeminent AI video platform for businesses, we empower over 90% of the Fortune 100 to enhance their visual communication. Established in 2017 and headquartered in London, our teams span Europe and the US, dedicated to reshaping how organizations communicate and develop skills.As AI redefines the workplace, we strive to create innovative solutions that keep people at the heart of successful enterprises.With our recent $200 million Series E funding round, we are now valued at $4 billion, with total funding exceeding $530 million from esteemed investors, including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital, along with the founders and operators of Stripe, Datadog, Miro, and Webflow.

About HookAt Hook, we are revolutionizing customer growth through the power of artificial intelligence and machine learning. Our innovative solutions empower businesses to accurately forecast revenue, enhance customer loyalty, and unlock significant value from their existing customer base.As a Series A startup, we are proud to be ranked 33rd among the Sifted fastest-growing startups. With substantial funding from leading investors across Europe and the US, including Balderton Capital and Lightspeed, we collaborate with some of the most dynamic companies globally. We seek passionate individuals eager to contribute to our vision of transforming customer engagement while building an exceptional workplace culture.The RoleWe are on the lookout for a talented Front End Engineer to enhance the user experience of Hook’s products. You will collaborate with our design and product teams to translate complex data and workflows into seamless, user-friendly interfaces. Utilizing TypeScript and cutting-edge front-end frameworks, your work will result in fast, scalable, and user-approved interfaces.This role offers you the chance to take ownership of features from inception to deployment while having a real impact on our front-end architecture and practices as we expand.Your ResponsibilitiesDesign and implement high-quality, maintainable front-end features using TypeScript and frameworks like React.Work closely with product designers to create polished, user-centric interfaces.Convert complex data insights into clear, engaging visualizations and dashboards.Optimize components for speed, scalability, and accessibility across various browsers and devices.Contribute to the evolution of our front-end architecture and development standards.Collaborate with back-end engineers to design APIs and integrate new functionalities.Provide innovative ideas that shape the appearance and performance of Hook’s product.Who You AreA proficient front-end engineer with extensive experience in TypeScript, React, and modern web technologies.Dedicated to building performant, accessible interfaces that enhance user experience.

Front-End EngineerLocation: LondonDESCRIPTIONJoin us in revolutionizing the video production and distribution landscape with our innovative cloud-based platform designed for live, social, and mobile content. Our cutting-edge platform simplifies the complexities of professional video creation and dissemination, and we proudly collaborate with industry giants such as Sky Sports, BT Sport, Eurosport, and many others.As a part of our team, you will play a crucial role in working alongside top broadcasters and rights holders, while integrating seamlessly with major social media platforms like Facebook, Instagram, and YouTube. Our partnership with Facebook Live makes us a preferred global choice for live streaming solutions.Powered by Amazon Web Services, our platform is meticulously designed for scalability and high availability, ensuring that our global client base receives uninterrupted service. Here, you will thrive in an agile environment where you can experiment with the latest technologies without sacrificing reliability or speed.We believe in nurturing talent from the ground up, which is why we focus on hiring talented graduates and junior engineers. On your first day, you will be paired with a dedicated mentor who will support you in overcoming technical challenges and help you carve out your niche within our dynamic team, whether it's in video, data, front-end, architecture, or streaming. Regular performance evaluations will guide your career progression.We are committed to fostering a happy and engaged workforce, encouraging our engineers to leverage the latest technologies and take on comprehensive responsibilities from design and architecture to production support. This unique approach has cultivated a supportive environment that retains top talent, with many of our senior engineers starting as graduates and advancing to leadership roles.We value camaraderie and enjoy social activities as a team, ensuring that our workplace feels like a family. If you are passionate about technology and innovation, then you are in the right place!As a Front-End Engineer, you will be integral to developing a browser-based video editing tool akin to Premiere Pro or Final Cut, crafting beautiful and reusable UI components, and tackling functionality challenges within our web applications. You will work with state-of-the-art technologies such as Media Source Extensions, Canvas, React, ES6, Webpack, styled-components, and Storybook.Join us and continue your journey of learning and growth!

At Ripple, we are pioneering a transformative world where value transfers seamlessly, akin to the flow of information in today's digital landscape. Our vision is ambitious and impactful, and we are already making strides toward this goal. Through our innovative cryptocurrency solutions tailored for financial institutions, businesses, governments, and developers, we are enhancing the global financial ecosystem, fostering economic equity, and expanding opportunities for individuals across the globe. Join us to achieve remarkable professional growth and make a significant difference in the world of finance.If you are eager to witness your contributions in action and unlock exceptional career advancement opportunities, come aboard and help us create authentic value in the real world.The RoleAs a Staff Engineer specializing in Front End development, you will contribute to Palisade, Ripple's flagship wallet-as-a-service platform. This platform empowers businesses, fintech firms, and banks to create innovative digital asset treasury, payment, and exchange solutions.