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Senior Web Engineer, Activation (React/Javascript)



Software Engineering
London, UK · Remote
Posted on Saturday, August 12, 2023

Our everyday digital experiences are in the midst of a realtime revolution. Whether attending an event in a virtual venue, receiving realtime financial information, or monitoring live car performance data – consumers simply expect realtime digital experiences as standard. Ably provides a suite of APIs to build, extend, and deliver powerful digital experiences in realtime for more than 265 million devices across 80 countries each month, supporting organizations like Toyota, Bloomberg and Hubspot.

Working at Ably means helping to build the infrastructure and technology that will power and shape the future of the internet. The opportunity in front of us is immense. But we can’t rest yet. And we’d like your help. As Ably enters its next stage of growth, we’re looking for talented and curious individuals to help us build and deliver the platform to power synchronized digital experiences in realtime for one billion devices every week.

About this role

You will be responsible for helping shape the future of our frontends, making decisions that have a long lasting impact by building and delivering improvements and new features to our documentation, customer dashboards, and internal tools.

You’ll be working closely with our Product and Design teams towards achieving the strategic goals of the company, with a core focus on improving the journey for developers who sign up to using Ably. You’ll also work with people all across Ably as the projects we work on touch many different parts of the company.

Day to day you will

  • Create real value for Ably. You’ll be a key member of the Activation mission, contributing to strategic initiatives that drive developers to the Ably website, as well as increase sign ups and engagement over time.
  • Deliver quality code. You’ll be hands-on with development to build and deliver improvements and new features to Ably’s customer-facing and internal frontends.
  • Level up your team. You’ll be helping steer the direction of our frontends, including our component library, used by multiple teams to deliver a consistent identity for Ably no matter where people see us online.
  • Collaborate effectively. You’ll be working closely with our Product & Design teams towards achieving the strategic goals of the company. You’ll also work with people all across Ably as the projects we work on touch many different parts of the company.
  • Focus on continual improvement. Whether it’s deliberately refactoring code to make our lives easier or updating our processes to be more effective, you’ll work to improve frontend development through improved engineering practices.
  • Develop effective testing strategies. You’ll be expected to test your own work, leaning on automation as much as possible. You’ll constantly influence how we can improve our testing setup, helping the team unlock more potential along the way. When needed you’ll walk your team members and stakeholders through how to best test your work before it goes into production.

We'd love to hear from you if you have

  • Strong HTML, CSS and JavaScript skills, including knowledge of modern frameworks such as React, Gatsby & TailwindCSS.
  • Experience with designing and implementing frontend architectures, like component libraries, SPA’s, and server-side rendered applications.
  • A full-stack mindset and experience building full-stack applications with CI/CD, as well as understand and promote the importance of the latter.
  • Experience building and/or working with a component library.
  • Experience with writing automated tests for software with tools like Jest or Cypress.
  • Cross-functional team experience. You have worked closely with designers and product managers in short, effective feedback loops.
  • A solid grasp of Agile, Kanban and SCRUM principles and experience working with stakeholders to create and manage backlogs and delivery of work.
  • Experience in dynamic, early stage startups where adaptability and resourcefulness are crucial.
  • A transparent and collaborative “build in the open” mindset.

It would be great, but not essential if you have

  • Experience delivering developer-focussed products or services.
  • Experience with products or services that are brought to market primarily through a product led growth approach.
  • Experience with Ruby on Rails, or working with Ruby on Rails developers.

What’s it like to work at Ably?

Ably is entering a new phase of growth led by an experienced senior team. You’ll be part of a successful, highly motivated, and collaborative team. We want to work in a company of inclusive people who treat each other well.

To see what life’s like at Ably, check out our careers page at and read the story of how Ably's core values came to be (

Ably is a remote-first company and we strongly believe in life before work and encourage our people to find a balance between the two.

We recognise that each person is different and will want to be supported in different ways which is why our benefits ( are there to help you focus on your needs today and prepare you for your future.

Amongst other things, we offer a generous holiday allowance, private healthcare and significant learning and development opportunities, and provide access to numerous wellbeing resources. We’re proud to do whatever it takes to care for Ablyans and their future.

Diversity, Inclusion & Belonging at Ably

We believe our differences as individuals is what makes us great. Our people are at the heart of what we do, and we encourage everyone to be their most authentic self at Ably: we see inclusivity and openness as fundamental to creating long-term success as an organization. We encourage applications from all backgrounds regardless of age, disability, gender, sexual orientation, parental status, race, religion, educational background or neurodiversity. Ably has an amazing opportunity ahead of us, and we want anyone to be able to contribute to that opportunity.