{"id":2299521,"url":"https://alion.io/job/gymnasium-se-full-stack-developer","title":"Full-Stack Developer","company":{"id":1961072,"name":"gymnasium.se","domain":"gymnasium.se","url":"https://alion.io/company/gymnasium-se","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"part_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Stockholm, Sweden"],"countries":["SE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":52000,"max_usd":153000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":6933},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":true},{"name":"Assembly","optional":true},{"name":"AWS","optional":true},{"name":"C#","optional":true},{"name":"Claude","optional":true},{"name":"Entity Framework Core","optional":true},{"name":"GraphQL","optional":true},{"name":"JavaScript","optional":true},{"name":"Keystone Engine","optional":true},{"name":"Next.js","optional":true},{"name":"OpenAI Codex","optional":true},{"name":"React.js","optional":true},{"name":"Rest API","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-09-07T10:23:12Z","employer_posted_date":null,"last_verified_at":"2026-09-07T10:23:12Z","board_verified":false,"closed_at":null,"days_open":40,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":40},"description":"About the RoleAs 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.\n\nOur stackReact / Next.js / Typescript / ShadCN\n\nVercel\n\nSanity.io\n\nElasticsearch and Redis\n\nAWS/GCP\n\nWhat we're looking for5+ years of experience as a full-stack developer\n\nStrong hands-on experience with React / Next.js\n\nComfort with REST APIs, GraphQL, and modern test frameworks\n\nComfortable with AI coding tools (Claude, Codex, or similar) and the judgment to review their output critically rather than accept it at face value\n\nA positive, can-do attitude: someone who defaults to \"yes, and here's how\" rather than \"no, because\"\n\nA collaborative mindset and enjoyment of autonomous, dynamic teams\n\nWillingness to share knowledge and dive into unfamiliar technical or functional territory\n\nGenuine passion for building great products\n\nNice to have: .NET Framework/.NET Core knowledge, Entity Framework and AWS cloud and serverless experience\n\nWhat we offerHybrid working with a weekly day on site in Stockholm to meet your team, with flexibility around the rest\n\nWork with cutting-edge tech on a large scale, cloud hosted platform\n\nReal influence over system architecture decisions at a fast-growing company\n\nAn international team spanning Stockholm and Sheffield, and colleagues worldwide\n\nRoom to grow; seminars, knowledge sharing sessions, tech conferences, and hackathons\n\nMonday breakfasts, team lunches, Friday beers, and social events\n\nAbout Keystone Education GroupAt 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!\n\nApplication InstructionsPlease send us your application by hitting the button \"Apply here!\".\nKeystone is an equal opportunity employer. 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