Source Job

Global 6w PTO

  • Develop new website functionality using React and modify existing features.
  • Optimize system speed and design technical solutions.
  • Apply TypeScript, SOLID principles, and FRP while splitting specifications into subtasks and conducting code reviews.

TypeScript React

20 jobs similar to Senior Frontend Developer (Core)

Jobs ranked by similarity.

US

  • Develop and maintain responsive web interfaces using React, HTML, CSS, and JavaScript.
  • Collaborate with product and data science teams to implement optimized designs across platforms.
  • Write clean, modular code and participate in code reviews to ensure high performance and scalability.

Implicit builds the world's leading AI Knowledge Engine for Maintenance and Support. We are a secure, no-code AI platform transforming complex documentation into structured knowledge, and we seek a part-time frontend engineer to join our diverse team.

$160,000–$200,000/yr
US Unlimited PTO

  • Design, build, and maintain high-quality frontend applications using React, TypeScript, and Chakra UI.
  • Collaborate with product, design, and backend engineering teams to deliver intuitive user experiences.
  • Own frontend architecture decisions, including state management, component design systems, performance optimization, and accessibility.

Truffle Security is a cybersecurity company focused on detecting, verifying, and remediating secrets across software environments. They empower security and engineering teams with tools to find and manage exposed credentials across various systems.

Poland 1w PTO

  • Develop complex code based on functional specifications and translate software requirements into design specifications.
  • Perform peer code reviews, lead team standards and processes, and mentor team members.
  • Create automated tests including unit tests and apply continuous integration practices.

Hyland provides enterprise content services with a cloud platform delivering actionable insights and automation. With nearly 4,000 employees, the company fosters an employee-centric culture that values diversity and inclusion.

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.

Europe

  • Design, develop, test and deploy new features using technologies such as React, Typescript, Playwright, Vitest and Buildkite.
  • Own your own code, respond to incidents and participate in on-call rotation and participate in root-cause-analysis for incidents.
  • Manage your work through the use of Github, Jira, and Twilio’s build/deploy systems.

Twilio is shaping the future of communications. They deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Twilio is dedicated to remote-first work, with a strong culture of connection and global inclusion.

Europe

  • Integrate user-facing elements with server-side logic and write reusable, testable code.
  • Design and implement low-latency, high-availability applications with security and data protection.
  • Create design systems and web components for third-party applications, ensuring SDK compatibility across browsers and frameworks.

Yuno builds payment infrastructure that enables companies to participate in the global market. Founded by payments and tech veterans, the company empowers high-performing teams at major brands with over 1,000 payment methods via a single API.

Global

  • Design and implement responsive, high-performance user interfaces.
  • Ensure seamless user experiences with fast load times and intuitive navigation.
  • Collaborate with the team to enforce standards for a cohesive 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. They operate as a fast paced, nimble, global, and remote technology company with an asynchronous-first workflow.

Global

  • Build and ship end-to-end web and backend features with production-grade quality
  • Develop AI-powered systems, including custom agents, RAG pipelines, and state-machine-driven workflows
  • Create scalable frontend experiences using SvelteKit, React, Vue, or similar modern frameworks

Truelogic is a leading provider of nearshore staff augmentation services. They have over 600 highly skilled tech professionals based in Latin America and partner with U.S. companies on their most impactful projects, delivering results that make a difference.

Poland

  • Gain deep understanding of ad technology and industry standards like OpenRTB, MRAID, VAST.
  • Design and lead implementation of high-quality frontend solutions for displaying Ads globally, focusing on performance and scalability.
  • Provide hands-on technical leadership, solving complex system challenges and ensuring high coding standards through code reviews.

RTB House is a global company that provides state-of-the-art marketing technologies with an ad-buying engine powered entirely by Deep Learning algorithms. They foster a collaborative, interdisciplinary team culture focused on extreme performance and high code quality.

Global

  • Drive the design, architecture, and delivery of performant, modular, and accessible frontend systems.
  • Partner closely with Product, Design, and Backend teams to shape and deliver on our product roadmap.
  • Foster a culture of technical excellence, ownership, and collaboration within a globally distributed team.

Kraken is a mission-focused company rooted in crypto values committed to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. As a fully remote company, they have Krakenites in 70+ countries who speak over 50 languages.

US

  • Deliver full-stack feature work across a modern TypeScript and Next.js App Router codebase, including server actions, API routes, and service-layer logic.
  • Build accessible, responsive, design-system-driven UI in React, and design maintainable service, domain, and persistence boundaries.
  • Integrate with CMS platforms, write meaningful tests, and work within CI/CD pipeline using GitHub Actions and deploy to Vercel.

AKQA (part of WPP) designs adaptive digital services and applications that capture the imagination, delivering returns for clients. They foster a collaborative culture of respect and belonging with equal opportunities.

Europe 5w PTO

  • Contribute actively to open-source packages, SDKs, and developer tooling.
  • Develop and maintain clear, comprehensive, and developer-friendly documentation for SDKs, APIs, and integration workflows.
  • Foster and engage with the open-source community through GitHub discussions, technical support, knowledge sharing, and developer advocacy initiatives.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Jobgether appreciates your interest and wish you the best!

Europe

  • Understanding of React.js fundamentals.
  • Hands-on experience with server-side rendering, API routes, authentication strategies with Next.js.
  • Strong knowledge of TypeScript, including custom types, generics, utility types, and type safety best practices.

Software Mind develops solutions that make an impact for companies around the globe. We build cross-functional engineering teams that take ownership and crave more and our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.

Europe 6w PTO

  • Lead and mentor a distributed frontend engineering team, fostering high performance and growth.
  • Provide technical leadership on frontend architecture, ensuring scalability and maintainability.
  • Drive end-to-end delivery of features and collaborate with cross-functional teams.

Jobgether uses AI-powered matching to help connect job seekers with opportunities. They operate a remote-first, global recruitment platform with a focus on efficiency and fair candidate evaluation.

Global

  • Develop front-end applications for a gaming company using React, Next.js, and TypeScript.
  • Collaborate with cross-functional teams in an international, remote environment.
  • Ensure high code quality through TDD and performance optimization.

Software Mind develops impactful solutions for global companies. The company culture emphasizes openness, respect, grit, and enjoyment.

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.

US Unlimited PTO

  • Lead front-end delivery across multiple client engagements, enforcing UI architecture standards for scalable React and Next.js applications.
  • Manage people responsibilities including hiring, onboarding, performance reviews, and career development for the front-end team.
  • Partner cross-functionally with design, architecture, QA, and project management to scope work, mitigate risk, and deliver predictable outcomes.

MSQ DX is a full-service experience design and technology consultancy delivering connected digital solutions. Their core values drive a vibrant culture for extraordinary people, emphasizing high standards and value creation for clients and stakeholders.

Global Unlimited PTO

  • Setting and driving front-end technical strategy across Account Experience teams
  • Architecting a complex, data-dense merchant platform
  • Shaping Primer AI Companion as a first-class merchant interface

Primer provides unified infrastructure for global payments, giving finance and payments teams visibility and control from a single platform. Backed by top investors, the company is building a remote-first, collaborative culture focused on challenging work and support.

US

  • Develop scalable platforms, services, and internal tooling to power Rula’s Revenue Cycle Management operations.
  • Build and maintain systems supporting payments, claims submission, and operational workflows across the revenue cycle.
  • Collaborate with engineering, operations, and business stakeholders to improve efficiency, reliability, and cost effectiveness.

Rula is a mental healthcare provider dedicated to evidence-based, compassionate care that empowers individuals to take charge of their well-being. As a remote-first company, we hire in most U.S. states and foster a culture of inclusion, diversity, and equity.

  • Define the long-term architectural roadmap for our web client and frontend platform, ensuring it aligns with global business objectives.
  • Lead design investigations and prototype complex system integrations to resolve technical uncertainties and de-risk major platform initiatives.
  • Establish and uphold high standards for software craftsmanship, performance optimization, and architectural consistency across multiple teams.

Kinaxis is a global leader in modern supply chain orchestration, powering complex global supply chains, and supporting the people who manage them. With over 2000 employees around the world, they are trusted by renowned global brands to provide the agility and predictability needed to navigate today’s volatility and disruption.