Source Job

Europe

  • Craft new features for our customers within a squad, owning quality from design to production.
  • Grow in technical leadership by leading design discussions and improving web development practices.
  • Work AI-first, using AI to explore codebases, prototype solutions, and accelerate delivery.

React.js HTML CSS Communication AI

20 jobs similar to Senior Web Engineer

Jobs ranked by similarity.

$140,800–$158,400/yr
US Canada

  • Build shared components and patterns in React and TypeScript that make Mercury's interfaces feel consistent and accessible.
  • Partner with designers and product engineers to turn design intent into working software and evolve tokens across Figma and code.
  • Use AI coding tools to explore solutions, evaluate generated code, and improve the quality of experiences built with the design system.

Mercury is a fintech company that provides banking services for startups and other businesses. It values design, craft, and belonging, with a collaborative culture focused on building well-considered software.

Global

  • Design, develop, and maintain advanced web applications for Binance's internal teams, including AI-driven products.
  • Collaborate with cross-functional, cross-country teams to define, design, and implement new features across projects.
  • Integrate third-party data sources, APIs, and AI models while ensuring robust code via comprehensive unit tests.

Binance is a leading global blockchain ecosystem and the world's largest cryptocurrency exchange by trading volume and registered users. Trusted by 300+ million people in 100+ countries, it operates with a flat, user-centric culture and a remote-first, results-driven approach.

UK Netherlands

  • Own the audit product surface end to end, including the review queue, self-serve configuration, and explainability.
  • Build human-in-the-loop AI interfaces with fullstack skills across React, TypeScript, and Python/Django.
  • Mentor a junior engineer and set technical direction alongside the Product Lead in a small, dedicated squad.

IFS provides AI-driven enterprise software solutions, helping customers deliver at the Moment of Service. With over 7000 employees and a billion-dollar revenue, IFS fosters an innovative, inclusive, and collaborative culture.

US

  • Develop and deliver full-stack AI-powered applications on top of Unframe's platform.
  • Work closely with customers and internal teams to tailor solutions and extend the UI/UX layer.
  • Collaborate with platform and research teams to integrate AI capabilities into production use.

Unframe is an AI-first startup helping large enterprises bring LLM-powered applications to life in days, combining the speed of a product company with the flexibility of a consultancy. With over $100M in TCV and a new $50M Series B, Unframe is scaling globally alongside Fortune 500 customers, backed by Bessemer, Craft, and TLV.

Europe

  • Build and ship production UI for the Enode Platform, Link UI, and the website directly in code.
  • Contribute heavily to the design system in code, keeping components and tokens in sync with Figma and AI tooling.
  • Prototype ideas quickly and raise the quality bar for interaction, motion, accessibility, and performance.

Enode provides an API and software infrastructure that lets energy companies connect and orchestrate devices like EVs, heat pumps, and solar panels. It is an early-stage, mission-driven startup backed by Y Combinator, Lowercarbon Capital, and Creandum, with a remote-first culture that moves fast and values ownership.

$115,000–$140,000/yr
US

  • Develop full-stack features across React, Node.js, Python, and databases, owning assigned features from planning through deployment.
  • Direct AI coding agents for implementation, review agent-generated code for correctness and security, and use AI for research and prototyping.
  • Collaborate with engineers, product owners, and end users to deliver solutions, proactively identify improvements, and maintain CI/CD pipelines on AWS.

Expression is a government contractor providing data fusion, analytics, AI/ML, software engineering, IT, and spectrum management solutions to the U.S. Department of Defense and national security community. Founded in 1997 and headquartered in Washington DC, the company was ranked #1 on the Washington Technology 2018 Fast 50 and fosters a culture of agile delivery, continuous growth, and collaboration.

Germany 6w PTO

  • Own the experience and technology by building production-ready applications with React, Next.js, TypeScript and Node.js.
  • Create new ways for people to interact with our products through AI-powered interfaces, conversational UIs and agent workflows.
  • Collaborate with Product, UX/UI and Engineering to build scalable, reliable and maintainable software.

smartclip Europe GmbH is a technology company building production-grade software products at the intersection of AI, engineering, UX and product. It operates with a remote-first, high-agency culture focused on ownership, experimentation and continuous learning.

Global

  • Build and operate the front-end interface of an AI agent product, using React and TypeScript.
  • Own the architecture, component system, and contracts with agent teams, moving toward Lit and Web Components.
  • Ensure trust, security, accessibility, and performance are core to the product, working across the boundary into services.

IFS is a billion-dollar enterprise software company providing AI-driven solutions that help customers be their best at the Moment of Service. With over 7,000 employees across all continents, IFS fosters a flexible, innovative, and inclusive culture focused on making a worldwide impact.

$193,393–$241,742/yr
US East Coast Unlimited PTO

  • Lead technical strategy for complex enterprise accounts, from pre-sales demos to implementation and adoption.
  • Resolve ambiguous customer challenges and act as an escalation point for technical issues.
  • Build playbooks and coach peers to raise the capability of the Customer Engineering team.

Pendo was founded in 2013 by former product managers to help companies understand and improve their software. It is a fast-growing startup supported by top investors like Battery Ventures and Salesforce Ventures, with a culture that values bias to act and team collaboration.

Europe

  • Set technical direction for a new Experience squad, owning architecture and standards across identity, API v3, and agent integration.
  • Work hands-on across backend (Python/Django) and frontend (React) to deliver a cohesive platform experience.
  • Build AI-native solutions with LLMs and agent frameworks, driving the shift from feature-driven to agent-led product architecture.

IFS is a billion-dollar enterprise software company with 7,000+ employees worldwide, leveraging AI technology to power award-winning solutions. Our culture is flexible, innovative, and inclusive, with a focus on agility, collaboration, and making a positive global impact.

US

  • Design and build full-stack capabilities supporting AI initiatives across Keeper's product portfolio.
  • Develop backend services, APIs, and frontend experiences that integrate AI-driven functionality into secure production environments.
  • Collaborate with AI and product engineering teams to remove technical dependencies and deliver production-ready AI features.

Keeper Security is a cybersecurity software company providing zero-knowledge and zero-trust security solutions that protect passwords, secrets, and infrastructure. It is a fast-growing global organization trusted by millions of users and thousands of enterprises, with a culture focused on innovation and reliability.

Global

  • Architect and deliver complex, high-value features across the Zone platform, ensuring scalable and observable solutions.
  • Lead AI integration as a force multiplier, improving team throughput without compromising quality.
  • Mentor junior engineers through rigorous code reviews and design guidance, promoting AI-native best practices.

Zone is the ERP-native AI platform for financial operations, built for Oracle NetSuite customers, automating and scaling financial workflows directly within the ERP. Trusted by 4,500+ customers, Zone is a fully remote global team that values autonomy, innovation, and impact.

Europe

  • Lead and develop a team of 6 to 10 engineers across 2 to 3 product squads, owning delivery and people outcomes.
  • Stay close to code and designs to raise the technical bar, using AI-assisted tooling and collaborating with Tech Leads.
  • Partner with Product and Design in an empowered-squad model while championing modern, AI-augmented engineering practices.

Sunrise Group builds the future of sleep health with innovative diagnostic and treatment solutions, including the Dreem Health digital sleep clinic. It is a ~170-person digital health company helping patients get diagnosed and treated for sleep apnea entirely from home.

Latin America

  • Deliver features using React and .NET, integrating AI technologies to enhance innovation and performance.
  • Mentor junior developers through structured code reviews and ad-hoc collaboration, guiding them in AI tools.
  • Serve as technical SME, managing pipelines and environments to ensure sprint commitments are delivered.

We help financial services clients modernize, rather than rebuild, outdated customer-facing software applications, delivering rapid returns. We're a team of 200+ located throughout the United States and Central/South America, fostering a culture of autonomy, support, and work-life balance.

Europe

  • Build and ship end-to-end product features across frontend, backend, and AI pipelines independently.
  • Advance AI capabilities through prompt engineering, evaluation, and multi-provider setups in production.
  • Operate live systems and shape technical architecture, engineering standards, and roadmap as an early hire.

The company builds digital infrastructure for grant funding, aggregating 18,000+ funding programmes with AI-supported analysis and expert review. As one of the first engineering hires, you'll shape the culture of ownership, iteration, and customer-first values.

Europe

  • Contribute to Storybook as a core maintainer, shaping APIs and developer experiences used by frontend teams worldwide.
  • Advance AI-powered development workflows and support the broader frontend ecosystem across modern frameworks.
  • Engage in open-source collaboration by triaging issues, reviewing PRs, writing RFCs, and connecting with the developer community.

They build and maintain Storybook, a leading open-source tool for creating, testing, and documenting UI components. The team is a distributed, remote-first group that values thoughtful technical decisions, open collaboration, empathy, and continuous learning.

Global Unlimited PTO

  • Build and maintain application features across frontend and backend using Python, React, and TypeScript.
  • Collaborate with the engineering team to ship production-quality code and participate in architecture decisions.
  • Troubleshoot full-stack issues and support internal engineering initiatives.

CIQ builds enterprise infrastructure for high-performance computing, AI, and cloud-native orchestration, including Rocky Linux support and related products. It is a company of builders, operators, and open source practitioners serving large enterprises, government agencies, and research institutions.

Brazil

  • Develop prototypes and MVPs using generative AI, automation, APIs, and modern web technologies.
  • Design and implement automated workflows with n8n and API integrations.
  • Collaborate with product, business, and technology teams to transform complex processes into practical solutions.

The company harnesses AI and modern web technologies to create practical, high-impact business solutions through prototypes and automation. It fosters a collaborative, innovation-focused culture with high autonomy, continuous learning, and an emphasis on diversity and professional growth.

US

  • Build the systems firms run on: own services, infrastructure, and confidence metrics that let practice management grow at speed.
  • Work in the trenches with domain experts, translating decades of accounting knowledge into the systems you build.
  • Build and extend the APIs that Aiwyn, firms, and partners build on, making integrations seamless.

Aiwyn is the first complete platform for modern accounting firms, replacing brittle legacy practice management systems. Backed by top-tier investors like Bessemer, KKR, and Revolution, we're a fast-growing scale-up SaaS company working with the majority of the Top 500 firms in the country.

Canada 3w PTO 12w maternity 12w paternity

  • Build and ship product features end to end across React, TypeScript, Django, Python, GraphQL, and surrounding systems.
  • Own meaningful product areas from idea through implementation, rollout, monitoring, and iteration, partnering closely with Product and Design.
  • Use AI coding agents deeply in daily workflow and help develop new tools, practices, and workflows to improve how the team builds software.

Fellow is an AI meeting assistant that helps teams turn conversations into decisions and action, built with privacy and security in mind. They are a remote-first company with optional office space in Ottawa and Montreal, and value speed, craftsmanship, and AI-native development.