Senior Frontend Engineer, React

2 days ago


Remote, Canada Data Theorem Full time

Data Theorem is an exciting company focused on creating a more secure world for data. Rooted in a strong engineer first culture, every employee has an impact on product and direction. We are searching for exceptional talent pursuing an opportunity to grow and take ownership of the projects that resonate most with them.

As a Senior Frontend Engineer, you will be responsible for building and owning the web applications that power our products for automating the security analysis of mobile, cloud and web applications, at scale. We help thousands of developers and security engineers discover, understand, and fix security and privacy issues affecting their applications.

The web applications you will be working on are the main customer-facing interfaces of our product; the better they are, the more they will empower our users to ship secure applications to their own customers and users.

You will:

  • Collaborate with and mentor a team of Frontend engineers.

  • Collaborate with the design team and the Backend team to build new customer-facing UIs and flows for security analysis and automation, while maintaining the quality and improving the experience of existing products.

  • Empower the Frontend team to achieve a high level of technical productivity and quality, using up-to-date technologies, patterns and processes.

  • Be an active member of the Data Theorem's engineering team, which is spread across the United States, England and France.

We're looking for someone who has:

  • Consistent record of shipping high-quality features.

  • 6+ years of software engineering experience.

  • Significant experience building frontend applications using React.

  • Familiarity with principles of good user experience.

  • Bonus points: experience working on enterprise dashboards.



  • Remote, Canada OpenPhone Technologies Full time

    Remote - CanadaEngineeringRemoteFull-timeFor millions of teams working in dozens of industries, day-to-day business gets done on the phone. So why — despite the huge leaps we've taken in design and usability — does most business phone software still look, feel, and act like it was born in the 90s? Quo is changing that.We're a new type of business phone...


  • Canada (Remote) Grafana Labs Full time

    This is a remote opportunity and we are interested in applicants from USA and Canadian time zones only at this time. The Opportunity: We are the team behind Grafana k6, Grafana Cloud k6, and Grafana Cloud Synthetics, used by teams globally to ensure resilient, high-performing systems. This opportunity is with the synthetics monitoring squad, who build and...


  • Remote, Canada Xsolla Full time

    ABOUT USXsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to...

  • Frontend Developer

    2 weeks ago


    Remote, Canada Aeternum Corp. Full time

    About AeternumAeternum is a visionary startup dedicated to preserving human legacy and connecting generations. Our mission is to solve the "Timeless Problem" of lost family wisdom and archaic end-of-life planning. We are building a digital sanctuary where personal narratives, values, and experiences remain accessible for future generations, while bringing...


  • Remote Canada Deck Software Full time

    About DeckDeck is building the data infrastructure for the internet. We make scattered, login-protected data instantly accessible through clean APIs and integrations—empowering businesses to act fast and smart, with no friction.We're a team of builders from top-tier tech companies who believe one thing: great ideas need great data. If you thrive in...


  • Remote, Canada DMBET Inc. Full time

    Frontend Lead and Full-Stack EngineerTypeScript / SvelteKit / GraphQL / Tailwind CSSLocation: Remote (North America preferred)OverviewWe are looking for a Frontend-focused Full-Stack Engineer to build responsive, high-performance web applications with real-time data and complex client-side interactions. This role emphasizes frontend architecture and user...


  • Remote (Canada) Uride Full time

    About the roleUride is seeking a Senior Frontend Developer to join our growing technology team. In this role, you'll take ownership of building responsive, accessible, and high-performing user interfaces that power our ridesharing and future service marketplace platforms. Reporting to the Team Lead, you'll collaborate closely with backend developers, product...


  • Remote, Canada Blue Charm Adherence Full time

    We're looking for a strong, hands-on Senior Front-End Engineer who lives and breathes React and React Native to own the future of our mobile app (built with React Native + Expo) and our internal React-based Admin Portal.This is a high-impact, high-autonomy role. You'll be the most senior front-end/mobile engineer on a small, experienced team (three senior...

  • Frontend Developer

    1 week ago


    Remote, Canada Owl Practice Full time

    Remote (Canada)If the opportunity to fundamentally change the mental health landscape and improve how people across North America access the help they need excites you, then keep readingWe are enabling easier access and delivery of mental health care to help more people. To deliver on this vision, we need to change people's perceptions around mental health...

  • Engineering Manager

    1 week ago


    Remote - USA & Canada Boulevard Labs, Inc. Full time

    Who is Boulevard? Boulevard provides the first and only client experience platform for appointment-based, self-care businesses. We empower our customers to give their clients more of the magical moments that matter most.Before launching in 2016, our founders spent months interviewing salon managers and working behind front desks to understand their pain...