Senior Frontend Developer


Our technology supercharges the world’s most vital industries with an innovative all-in-one email platform that connects to your core work tools to drive efficiencies, save time, and transform business performance. 

Through innovative features like shared inboxes, AI tools to automate repetitive work processes, and integrations to third-party apps, SEDNA empowers teams and individuals with insights and tools to drive better decisions. Our ultimate goal is to give the world back a billion hours a day.

Backed by $44 million in publicly disclosed funding from Series A and B funding rounds led by INSIGHT Partners, we now have over 8700 people working at 170 companies worldwide using SEDNA  to power their most important work - and it’s our people that make that happen. 

We have big growth plans, and are looking for inspirational people to join us on our mission, make a real impact and win with us. More about life at SEDNA here.

We are seeking a highly motivated Senior Front End Engineer to join our team. The successful candidate will be responsible for building critical functionality into the front end of Sedna, including defining overall front end architecture, working on new features to enhance product capabilities, improving performance, working through critical issues and bugs, and coordinating with the rest of the Sedna Front End Engineering Team to build a world class email experience. 

The ideal candidate is an experienced and motivated front-end engineer with Typescript and React (and general front end) expertise, who is ready to play a key role in a dedicated and best in class engineering team.

How will your day look?

  • Work closely with Engineering and Product Leadership to design, build, test, and deploy changes to Sedna’s front-end platform

  • Effectively implement product features based on design mocks, with a keen focus on performance and accessibility.

  • Lead the frontend development of crucial UI features

  • Ensure that components are not only functional but also aesthetically pleasing, performant, and compatible with mobile devices

  • Demonstrate an understanding of when and how to conduct tests

  • Contribute to the working culture of the Sedna Engineering team to foster effective development, operations, integration, and general working practices

  • Take part in Engineering support activities, including responding to incidents, resolving bug tickets, troubleshooting and identifying functionality problems, and general improvement of the customer experience

What do we need from you?

  • Possess a minimum of 5 years of experience in software development

  • Have at least 3 years of hands-on experience working with React and TypeScript.

  • Showcase expertise in modern best practices in web development.

  • Exhibit a deep understanding of the architecture of modern client-side React applications.

  • Previous experience contributing to and maintaining component libraries and design teams in the development of user-facing applications.

  • Display the ability to mentor engineers and effectively guide them towards their best work.

Nice to Have

  • Prior production experience utilizing Next.js

  • Familiarity with monorepos

  • Previous exposure to handling live data at a large scale

How do we look after our employees?

  • Flexible working hours

  • Competitive salary + equity

  • Private health care, including dental and optical

  • Learning and Development benefits

  • Access to 1000’s of gyms via Gympass (including Frame, Barry’s, Gymbox and more) 

  • Premium membership to Headspace 

  • Premium Strava account 

  • Enhanced sick pay

  • Enhanced parental leave

  • Regular socials like board games, poker nights, quizzes, bake off, or just a good old- fashioned pub night

We find in-person collaboration beneficial and ask that our CREW within a reasonable distance head into one of our offices 3 times per week.

Sedna is an equal opportunity employer, and we welcome candidates of all backgrounds, race, ethnicity, ability, neurodivergence, age, sexual orientation and gender to apply. Please let us know if there is anything we can do to make our process more inclusive for you. 

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