Senior Frontend Developer (React)

Shape the future of React applications at Subtonomy in Stockholm in a role with major technical influence.

Join a telecom tech company where your frontend expertise will directly shape the next generation of customer support solutions.

At Subtonomy, you’ll play a key role in building modern React applications used by telecom operators worldwide. You’ll have the opportunity to influence frontend architecture, component structure, and user experience from concept to production — working closely with a highly skilled and collaborative development team.

About the role

A key role in Subtonomy’s continued investment in modern React applications
The opportunity to influence frontend architecture, component structure, and UX
A close-knit and supportive team with strong technical expertise and fast decision-making
A smaller, agile company where you can take ownership and make a real impact
The security and benefits of an established employer, combined with flexibility and freedom

We offer you

Develop modern web applications using React
Design and structure React flows and component solutions
Collaborate closely with developers on code structure, architecture, and technical decisions
Contribute ideas around UI and user experience
Work together with backend developers within Java and Scala to create stable end-to-end solutions

What you’ll do

Flexible workplace
Remote work possibilities
Professional development opportunities
Work with modern technologies

Benefits

Your team and workplace

You’ll become part of a fast-moving company of around 25 employees, where most work within development. The team includes both senior and junior developers, and the culture is characterized by collaboration, knowledge sharing, and a prestige-free mindset.

Frontend is a key strategic focus area going forward, and you’ll work closely with other developers to discuss solutions, structure React code, and drive development initiatives forward.

Subtonomy works agilely in three-week sprints with daily stand-ups and offers a high degree of flexibility regarding where you work from.

Apply here

About you

We’re looking for someone with several years of experience in React development and who has been involved in decisions around frontend architecture and how modern web applications should be built.

You have a strong passion for frontend development, user flows, and technical solutions that create great user experiences.

You thrive in collaborative environments where people support each other and move technology forward together. We also believe you are proactive, solution-oriented, and enjoy discussing new ideas and improvements.

Experience in backend development with Java or Scala is considered a plus, but frontend development will be your primary focus.

Please note: As the role is security classified, you must be a Swedish citizen. You should also feel comfortable communicating in English, as English is used in code, documentation, and parts of the daily communication.