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Europe Americas

  • Developing data-visualisation applications and new features for displaying large data properties with scalability and reliability.
  • Building real-time frontend services enabling multiple users to edit graph data and retrain AI models.
  • Owning projects end-to-end as part of small teams, collaborating with TLs and Product Managers.

React State Management Frontend Architecture Performance Optimization System Design

20 jobs similar to Senior Frontend Engineer

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  • Collaborate with design and backend teams to bring seamless user experiences to life using React and designs in Figma.
  • Build and maintain reusable UI components and systems that scale across customers and workflows.
  • Implement frontend features that interact with AI services such as document review, entity extraction, and quote comparison.

Outmarket builds AI-powered software for commercial insurance to help brokers, MGAs, and carriers unlock insights from data and automate workflows. The team moves quickly, uses modern tools thoughtfully, and builds products in close partnership with customers.

$170,000–$190,000/yr
US Unlimited PTO 21w maternity 12w paternity

  • Drive frontend architecture across the Search team using React, TypeScript, and Node, shaping high-traffic features.
  • Collaborate with backend engineers, product, and design to deliver seamless end-to-end user experiences.
  • Champion best practices, mentor teammates, and solve complex problems in a fast-paced, evolving product.

Flock Safety builds technology that reduces crime and protects privacy, partnering with cities, businesses, schools, and neighborhoods. With over $1B in funding and an $8.3B valuation, the team is high-performance, united by urgency and ownership.

Canada 4w PTO 16w maternity 16w paternity

  • Define and drive the technical strategy for frontend development across Vanta, establishing patterns and standards that scale.
  • Establish best practices for data layer architecture, state management, testing frameworks, and design systems organization-wide.
  • Mentor and coach engineers across the organization, helping them level up their frontend skills and architectural thinking.

Vanta helps businesses earn and prove trust through continuous security monitoring and a trust management platform. Founded in 2018, Vanta has a kind and talented team that values diverse backgrounds and offers a remote-first culture with offices in multiple global cities.

EU

  • Design and implement responsive, high-performance user interfaces for both internal tools and client-facing applications.
  • Ensure seamless user experiences by prioritizing fast load times, smooth interactions, and intuitive navigation across all web platforms.
  • Collaborate with the team to establish and enforce UI/UX standards, ensuring a cohesive look and feel across the entire application ecosystem.

Inca Digital is a veteran-owned data and intelligence company specializing in digital-asset analytics for exchanges, financial institutions, regulators, and blockchain ecosystems. It operates as a fast-paced, nimble, global, and remote technology company with a diverse team of experts including intelligence analysts, data engineers, and quant researchers.

India

  • Design and build high-performance UI for CRM pipelines and deal analytics.
  • Implement complex state management, drag-and-drop Kanban boards, and real-time data views.
  • Collaborate with product and design teams to craft intuitive, data-rich interfaces.

HighLevel is an AI-powered business operating system for agencies and SMBs to build, automate, and scale operations. With over 2,000 team members across 10+ countries, HighLevel is a global, remote-first organization that values initiative and execution.

Global

  • Architect and deliver complex, scalable frontend systems that are simple and effective, removing unnecessary complexity from our codebase.
  • Partner with Product Managers to co-author requirements and shape scope, ensuring engineering feasibility is considered during ideation.
  • Lead technical decision-making for medium-to-large scoped features, taking responsibility for successful delivery of value to the customer.

Sensor Tower is a global provider of digital intelligence solutions, empowering companies to understand consumer behavior and market performance across mobile apps, digital platforms, and gaming ecosystems. Headquartered in San Francisco, Sensor Tower's insights are trusted by more than 2,500 enterprises worldwide.

US Unlimited PTO

  • Own and evolve the frontend platform strategy including shared architecture, design systems, and developer tooling.
  • Lead major platform initiatives such as framework upgrades, mobile modernization, and technical migrations.
  • Improve developer experience through reusable tools, templates, automation, and workflows that increase engineering productivity.

Jobgether uses an AI-powered matching process to connect candidates with hiring companies. They operate as a technology-focused platform with a mission-driven culture centered on innovation and collaboration.

Germany

  • Design and develop scalable, high-performance frontend applications using React and TypeScript.
  • Co-own frontend architecture, including component design, state management, and performance optimization.
  • Collaborate with product, design, and backend teams to deliver intuitive, user-centric experiences.

Our partner is an AI-powered observability platform that helps developers manage massive data volumes. They are a remote-first company with a collaborative engineering culture and a focus on innovation.

  • Design, build, and own user-facing features in React and TypeScript, setting the technical direction and quality bar for the frontend.
  • Use AI and agentic development tools like Claude to move quickly and establish best practices for AI-assisted development.
  • Dip into Go for backend services, collaborate with stakeholders, and contribute to product roadmaps.

Sardine is the leading agentic risk platform for fighting financial crime, unifying data to stop fraud and automate operations. With over 6 billion profiled devices, 800 million consumers, and 3 million businesses, Sardine is a rapidly growing company with a remote-first culture that values performance and flexibility.

$60,000–$75,000/yr
Europe 6w PTO 16w maternity 16w paternity

  • Build and refine frontend features in our wind turbine monitoring platform.
  • Collaborate closely with product, design, and domain experts to understand user needs and workflows.
  • Design and implement interfaces for technical users working with complex data.

SkySpecs builds a next-generation SaaS product for wind turbine monitoring, using an AI engine that analyzes sensor data from over 25,000 wind turbines daily. The company offers a trust-based culture with remote work flexibility and an active office environment in Vejle, Denmark.

US Unlimited PTO

  • Set technical vision and architectural direction for frontend platform across web and mobile.
  • Design and evolve shared foundations including design system, component libraries, and tooling.
  • Drive developer experience improvements and partner with backend engineers to ensure scalable systems.

Modern Health is a mental health benefits platform for employers, offering a full spectrum of well-being resources. Backed by top investors, we are a female-founded, hyper-growth company with a culture of high empathy and accountability, and a fully remote workforce.

$80,000–$125,000/yr
US Unlimited PTO

  • Own the long-term technical direction of Roo's frontend platform, including systems, tooling, and architecture across web and mobile.
  • Partner with Product and Design to evolve the design system as a foundational platform through integrations, documentation, and developer workflows.
  • Lead platform initiatives like framework upgrades, React Native modernization, and shared library evolution to increase engineering velocity.

Roo is a veterinary staffing platform that connects professionals with animal hospitals for relief work and hiring. With over 20,000 veterinary professionals and 9,000 animal hospitals, we're a mission-driven company focused on empowering animal healthcare workers.

Global

  • Work closely with Engineering, Product, Design, and other stakeholders to align on project goals, gather and refine requirements, and ensure seamless execution.
  • Lead the design and implementation of robust, scalable, and maintainable frontend architecture using React, evaluating technical approaches and optimizing performance.
  • Drive development of UI components, services integration, and ensure high code quality through best practices, code reviews, testing, and documentation.

Miratech is a global IT services and consulting company that helps visionaries change the world by supporting digital transformation for some of the world's largest enterprises. With over 99% project success rate since 1989, Miratech retains nearly 1000 full-time professionals across 25+ countries and has a culture of Relentless Performance.

Global

  • Ship user-facing product end to end, from frontend to backend, idea to production, in Slack, Teams, and the web app.
  • Own onboarding and time-to-value, from install to first real win in minutes.
  • Talk to users, shape the problem, and polish the details that make a product people recommend.

Viktor builds AI-powered product engineering tools, with a product that works and a market that is pulling. The company is one of the fastest-growing in the world, operating as a small, high-trust team with hubs in Munich, New York, and Warsaw.

$185,000–$260,000/yr
US

  • Set technical direction and architecture for core frontend systems, leading major UI initiatives end to end.
  • Build and evolve core UI systems including the design system, component libraries, and frontend standards.
  • Champion accessibility and bridge UX and engineering to ensure consistent, high-quality interfaces.

SimSpace is an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment, trusted by allied governments, militaries, and enterprises worldwide. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the company fosters a human-centered culture with continuous learning and professional growth.

UK

  • Build modern web applications using React, Next.js, and TypeScript for AI-powered workflows.
  • Develop customer-facing products and internal operational tools with intuitive interfaces.
  • Integrate frontend applications with backend APIs and AI services to deliver automation.

BJAK is building AI-powered automation systems that simplify complex insurance workflows from quotations to claims. They are a global startup with a modern engineering culture focused on collaboration and continuous improvement.

Latin America

  • Elevate the UX by leading frontend architecture of payment systems, ensuring intuitive, responsive, and robust interfaces.
  • Bridge the Stack by designing and maintaining frontend/backend integrations with payment processors across Latin America.
  • Build for Resiliency by writing clean, observable, and secure code that handles sensitive financial data reliably.

Clara is the fastest-growing company in Latin America, providing the leading solution for companies to make and manage all their payments. Backed by top global and regional investors, we are building the financial infrastructure that powers high-performing organizations across the region with a passionate and committed team distributed across the Americas.

$100,010–$110,960/yr
Canada Unlimited PTO

  • Build and ship frontend features using TypeScript and React to create responsive, user-friendly components.
  • Drive user experience by collaborating with product and design teams to deliver intuitive interfaces.
  • Champion code quality and strengthen system architecture through clean, testable code and sound design patterns.

Procurify is an AI-enhanced procurement and AP automation platform for mid-market organizations, helping them take control of spend and save money. The company is remote-first with a team of diverse backgrounds, fostering a culture committed to learning and engineering excellence.

Germany

  • Design and evolve the component library and platform architecture to enable high-quality frontend development across teams.
  • Provide test infrastructure, conduct code reviews, and ensure quality in an AI-enhanced development environment.
  • Build AI resources and skills around the design system, enabling teams to autonomously solve frontend tasks.

Lexware develops business software for self-employed individuals and small companies, holding market leadership in Germany with over 600,000 customers. As part of the Haufe Group, a multi-award-winning digital transformation pioneer, it values diversity and is a certified Great Place to Work.

US

  • Lead the development of scalable, secure, and high-performance applications using React and modern backend technologies.
  • Mentor and guide developers, conduct code reviews, and participate in hiring decisions to scale the team.
  • Collaborate with UI/UX designers, product managers, and stakeholders to translate business requirements into technical solutions.

CareTria develops cutting-edge healthcare technology platforms. The company fosters a collaborative engineering culture focused on innovation and continuous learning, with a team scaling through mentorship and resourcing.