Source Job

US Unlimited PTO

  • Design, build, and maintain user-facing features.
  • Translate product requirements into polished UI.
  • Contribute to frontend architecture and technical decisions.

TypeScript React HTML CSS RESTful APIs

20 jobs similar to Principal Frontend Engineer

Jobs ranked by similarity.

Europe

  • Take ownership of complex frontend features end-to-end.
  • Push the boundaries of what’s possible with modern frontend technologies and build pixel-perfect, visually refined UI.
  • Collaborate closely with Product, Design, and Backend teams to translate ideas into elegant, performant user interfaces.

They are an exciting and challenging work environment with real impact and ownership. They are one of Europe’s fastest-growing Series A startups.

Europe Unlimited PTO

  • Develop and maintain responsive web applications using HTML, CSS, and JavaScript.
  • Collaborate with UX/UI designers to implement user-centric designs and ensure a seamless experience.
  • Optimize applications for maximum speed and scalability.

Mesh is enabling consumers to pay and be paid with any asset, bridging the gap by making crypto payments reliable, useful, and ubiquitous. Backed by leading investors like PayPal Ventures, Paradigm, and Galaxy Ventures, they are building the infrastructure for the next era of the global economy.

Global

  • Build internal and customer-facing applications for order handling and styling.
  • Establish key design patterns/guidelines for all frontend applications.
  • Tackle ambiguity and solve complex problems end-to-end.

Short Story is a technology-powered retailer dedicated to petite women 5'4" and under, aiming to create a seamless shopping experience. As a fast-growing startup, they're revolutionizing retail with a data-driven learning system, backed by top investors and recognized by Forbes and Fortune.

Global

  • Develop and maintain frontend applications using React and TypeScript
  • Build responsive, performant user interfaces with modern CSS (SCSS/SASS)
  • Integrate frontend components with REST APIs and backend services

SPACE44 builds and operates software systems for companies that need technology to work reliably in real, day-to-day operations. They work as long-term engineering partners, embedding experienced engineers into client environments and taking responsibility for execution, stability, and ongoing improvement of production systems.

$195,000–$300,000/yr
US

  • Developing responsive, accessible web applications using HTML, CSS, JavaScript, TypeScript, and React.
  • Integrating frontend components with backend APIs and services with backend developers.
  • Participating in code reviews and pair programming to ensure code quality and knowledge sharing.

Maven is the world's largest virtual clinic for women and families, dedicated to making healthcare accessible to all. The company has raised over $425 million and has received recognition as a top workplace for innovation and employee satisfaction.

Europe

  • Take ownership of complex product features end-to-end.
  • Translate product ideas and designs into pixel-perfect, production-grade UI.
  • Work closely with Product, Design, and Engineering to define scope.

They are one of Europe’s fastest-growing Series A startups. They offer exciting and challenging work with real impact and ownership.

Europe

  • Take ownership of complex product features end-to-end.
  • Translate product ideas and designs into pixel-perfect, production-grade UI.
  • Contribute to both backend infrastructure and frontend design system.

They are a fast-growing Series A startup in Europe. They value kind, collaborative, and hardworking people.

$110,000–$140,000/yr
US

  • Design and develop frontend applications and features for healthcare communications platforms
  • Collaborate with senior engineers on technical implementation and architectural decisions
  • Contribute to code reviews and learn from feedback to continuously improve code quality

PerfectServe offers unified healthcare communication solutions. They aim to enhance patient safety and reduce provider burnout by automating workflows and optimizing shift schedules. They have seen significant growth and value team members who can help them continue to grow.

Canada Unlimited PTO

  • Build and maintain UI features using React, TypeScript, and our internal component library.
  • Work with product and design to translate user needs into front-end solutions.
  • Develop, test, and ship changes regularly as part of sprint-based releases.

CoLab is a cloud based platform for engineering design review, helping mechanical engineering teams bring life-changing products to market sooner. They have built-in AI peer checker, AutoReview, scans designs for common errors. They help companies like Johnson Controls, Komatsu, Schaeffler, and Polaris have launched products faster, cut BOM costs, and reduced quality escapes in 1 year.

Global 4w PTO

  • Works with developers to enhance the developer experience.
  • Write elegant, efficient, and testable code.
  • Continuously improve the team’s processes.

Clutch is a revolutionary vertical SaaS company backed by Andreessen Horowitz (A16z), that aims to revolutionize the way Credit Unions engage and change the lives of their members. They develop software to turn Credit Unions into FinTech lenders and leverage their balance sheets to responsibly lend to over 130M Americans.

Europe Israel Unlimited PTO

  • Contribute to the evolution of DoiT Cloud Intelligence by integrating Cloudwize’s innovative Cloud Cybersecurity engines.
  • Focus on creating seamless, high-quality user experiences that make complex intelligence data accessible and actionable.
  • Collaborate with product managers and cloud experts to transform technical insights into clear, intuitive workflows.

DoiT is a global technology company that works with cloud-driven organizations to leverage the cloud to drive business growth and innovation. They combine data, technology, and human expertise to ensure customers operate in a well-architected and scalable state.

$165,000–$165,000/yr
US

  • Architect and evolve scalable systems, set UI standards, and mentor engineers.
  • Solve hard problems, care deeply about customer outcomes, and raise the bar.
  • Navigate ambiguity, break down barriers, and influence technical direction.

Dragos is dedicated to arming customers with technology, threat intelligence, and services to protect their systems. They have a remote-first culture with operations in North America, Europe, the Middle East, and APAC, and they value authenticity, transparency, and trust among teammates.

Europe 4w PTO

  • Develop and maintain front-end features.
  • Take part in decisions regarding app architecture.
  • Integrate third-party services.

They focus on building web products. They value a passionate, skilled team with zero bureaucracy, emphasizing results.

6w PTO

  • Build robust, scalable, and well-tested frontend applications using modern frontend frameworks and our in-house Design System and component library
  • Collaborate with PMs, Designers, and QAs in the Platform Team to ship high-quality features quickly
  • Lead technical decisions in our ongoing migration from Svelte to modern React

Bunch is building the backbone of private markets, enabling next-gen fund operations with an integrated system combining secure data infrastructure, AI-powered workflows, and expert fund services. They are an investment tech startup founded in Berlin in 2021 and committed to creating an inclusive environment for all employees.

Global

  • Design, build, and maintain production grade frontend features for Rechat’s web platform
  • Translate product and business requirements into elegant, user friendly interfaces
  • Optimize applications for performance, scalability, and reliability

Rechat is building the next generation of enterprise real estate technology. Our platform helps real estate professionals streamline the entire buying and selling journey by unifying data, marketing, and transaction workflows into one powerful system.

US Canada Unlimited PTO

  • Own and evolve Boulevard’s frontend architecture, guiding patterns for modularization, composition, and scalability across multiple product surfaces.
  • Lead the technical design of multi-team initiatives, ensuring frontend and backend systems are aligned, resilient, and extensible.
  • Define and steward architectural standards for frontend development (React, TypeScript, build systems, design systems, and performance).

Boulevard provides the first and only client experience platform for appointment-based, self-care businesses, empowering customers to give their clients more of the magical moments that matter most. The company values diverse backgrounds and celebrates being open about who they are and what they do, believing in equal opportunity for all.

US Unlimited PTO

  • Build immersive, interactive web experiences that push design and engineering boundaries.
  • Rapidly prototype concepts to explore interaction models and narrative storytelling.
  • Partner with design and marketing teams to translate creative visions into executions.

Hims & Hers is a health and wellness platform, on a mission to help the world feel great through the power of better health. The company is a public company traded on the NYSE under the ticker symbol “HIMS” and is committed to building a diverse workforce that prioritizes ethics, wellness, and belonging.

Latin America

  • Design and implement frontend solutions using React and TypeScript
  • Work with GraphQL (Apollo Client) and REST APIs
  • Build reusable UI components using modern component libraries

EX Squared LATAM partners with international companies to build sophisticated, data-driven platforms that support complex decision-making processes. They have a multicultural, LATAM-based engineering team with a culture focused on collaboration, ownership, and learning.

Brazil 2w PTO

  • Design, build, and refine the frontend systems that power Kard's transaction-linked rewards platform.
  • Craft interfaces that serve our partners and their customers—performant, accessible, and built to last.
  • Contribute across the stack when the work calls for it.

Kard is transforming customer loyalty with our rewards-as-a-service API platform. They empower partners to offer tailored rewards that celebrate customers' daily transactions. Backed by $30M from industry-leading investors and seasoned experts, they are reshaping the future of customer engagement.

Unlimited PTO 14w maternity 14w paternity

  • Work with the frontend web UI team to design and implement high-quality user interfaces.
  • Collaborate with product managers, designers, and backend engineers to gather requirements and translate them into intuitive and visually appealing UI/UX designs.
  • Develop and maintain responsive, cross-platform web applications using Typescript and modern frameworks like Astro and Svelte.

Trase Systems, co-founded in 2023 by Joe Laws and Grant Verstandig, empowers enterprise leaders to harness the full potential of AI without the associated complexity and risks. They are an end-to-end solution for deploying, managing, and optimizing AI in the enterprise and are at the forefront of AI Agent innovation.