Sr. Software Engineer, MarkUp
Listed on 2026-01-25
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Software Development
Software Engineer, Full Stack Developer, Backend Developer, Cloud Engineer - Software
Overview
Bonus Stuff: Location:
Remote within the UK and Europe
⬆ Reporting Into: Lead Software Engineer, Engineering
About Mark Up
Mark Up is the leading visual commenting platform for websites, PDFs, videos and images. It's the perfect companion in your creative process to bring teams together, helping close the feedback loop for anyone that works with multiple collaborators on a project.
Within just 5 years, we have signed up over 800,000 users and won Product Hunt Product of the Year in 2020. Our customers include some of the world's leading brands such as Verizon, Herbalife, Getty Images, BDO, Colliers, AIG, Rosetta Stone, Johnson & Johnson, and Dolby.
We are owned and operated by our parent company Ceros — a design platform that empowers the creation of bespoke, immersive digital experiences without code. As we share the same DNA as Ceros, we're also passionate about helping companies transform their approach to creating and managing digital content.
We are well-funded and institutionally-backed by prominent investors including Sumeru Equity Partners, Grotech Ventures, Greycroft, and Starvest Partners.
About the Team
As part of the Mark Up team, you'll be working with a small, cross-functional group of the most talented people you've ever worked with. We hire only passionate and creative people with a proven and unquestionable ability to execute, and every member of the team is equally responsible for moving the product forward.
We have a dynamic company culture that collaborates daily. We care deeply about the user experience, and we debate passionately about our ideas. When you work at Ceros, you check your ego at the door, and you aren't afraid to be honest, especially to yourself. We take our jobs seriously but ourselves not so much. As a member of a remote-first team, you embrace transparency and collaboration.
The Role
Building a product that can ingest and render well on any website is no easy task! We require the best-of-the-best, those who are ready to get creative and find solutions to complex problems across multiple browsers, stacks and platforms.
Our software engineers are all full-stack, able to take on whatever work comes their way, and this role is no different. While we expect the initial focus to skew toward the frontend, building high-quality React components, contributing to shared component libraries, and evolving our design system, we also require strong backend experience to contribute across the stack as needs evolve.
Mark Up is built upon Type Script, comprising multiple services and packages, predominantly NodeJS based. We use libraries like React, Express, Lerna, Webpack and Jest. We believe in using the right tool for the job, our infrastructure runs on NodeJS, Redis, AWS Aurora, Kubernetes and Terraform within the AWS cloud.
Key Responsibilities- Writing well-architected, maintainable code (probably goes without saying)
- Planning and leading high-complexity stories and epics
- Reviewing story plans and offering insights on impacts to other parts of the application
- Collaborating closely with the Quality Engineering team to write and maintain automated and regression tests, ensuring robust and reliable code
- Participating in constructive code review sessions that focus on quality and productivity, while balancing the need to ship features in a timely manner
- Focusing on delivering an exceptional user experience, with a strong attention to detail that reflects our commitment to creating intuitive and effective products
- Participating as a primary on-call resource for service disruptions on rotation
- S suggesting new technologies and techniques to improve engineer productivity
- Collaborating with and mentoring your peers on security best practices
- And finally, deploying your code to production and seeing the customer revel in feedback loop nirvana
- Bonus Stuff:
- Background in B2B or SaaS and Product-Led Growth Companies
- Experience working in a remote-first environment
- Track record of project ownership and exceptional product delivery
- Competent in Type Script, Node.js and SQL
- Knowledgeable on best practices in back-end (specifically API) architecture
- Experience…
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