Full-Stack Developer

About the Role As a Full-Stack Developer, you'll join one of our development squads and help drive the evolution of our products. You'll work in a team that values collaboration, ownership, and mutual growth: supporting colleagues through code reviews, knowledge sharing sessions, and coaching, while evaluating new technologies to keep us efficient and scalable. Above all, you'll write code that raises the bar for what "good" looks like in our team.

Our stack React / Next.js / Typescript / ShadCN

Vercel

Sanity.io

Elasticsearch and Redis

AWS/GCP

What we're looking for 5+ years of experience as a full-stack developer

Strong hands-on experience with React / Next.js

Comfort with REST APIs, GraphQL, and modern test frameworks

Comfortable with AI coding tools (Claude, Codex, or similar) and the judgment to review their output critically rather than accept it at face value

A positive, can-do attitude: someone who defaults to "yes, and here's how" rather than "no, because"

A collaborative mindset and enjoyment of autonomous, dynamic teams

Willingness to share knowledge and dive into unfamiliar technical or functional territory

Genuine passion for building great products

Nice to have: .NET Framework/.NET Core knowledge, Entity Framework and AWS cloud and serverless experience

What we offer Hybrid working with a weekly day on site in Stockholm to meet your team, with flexibility around the rest

Work with cutting-edge tech on a large scale, cloud hosted platform

Real influence over system architecture decisions at a fast-growing company

An international team spanning Stockholm and Sheffield, and colleagues worldwide

Room to grow; seminars, knowledge sharing sessions, tech conferences, and hackathons

Monday breakfasts, team lunches, Friday beers, and social events

About Keystone Education Group At Keystone, you will be working with passionate, professional and high-performance individuals. Together, we have grown successfully into more than 700 talented employees with sites that are recognized as the world's leading search engines for education. Ambition, drive and great ideas help us reach our goals – join us in the next step of your career!

Application Instructions Please send us your application by hitting the button "Apply here!". Keystone is an equal opportunity employer. We celebrate diversity and are deeply committed to fostering an inclusive environment for all employees.