{"id":914462,"url":"https://alion.io/job/twoday-oy-full-stack-developer-java-modern-frontend","title":"Full Stack Developer – Java & Modern Frontend","company":{"id":617070,"name":"Twoday Oy","domain":"beanbakers.fi","url":"https://alion.io/company/beanbakers","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":75,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-09-30T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Copenhagen, Denmark"],"countries":["DK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":64000,"max_usd":176000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":4821},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Apache Kafka","optional":false},{"name":"Azure DevOps","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Azure","optional":true},{"name":"Java","optional":true}],"status":"live","first_seen_at":"2026-08-10T12:23:10Z","employer_posted_date":"2026-08-10","last_verified_at":"2026-09-30T16:32:41Z","board_verified":true,"closed_at":null,"days_open":51,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":51},"description":"Twoday is the leading digital transformation partner in Northern Europe with a global presence. With approximately 3,000 specialists, we collaborate with some of the most admired private and public organisations to deliver cutting-edge digital solutions. Our expertise spans software engineering, Data & AI, cloud platforms, digital experiences and business applications.\nWe are now looking for a Senior Platform Engineer to help transform a large-scale development and deployment platform from traditional DevOps into a modern AI-assisted and agentic engineering setup.\nPermanent position at Twoday | Copenhagen\nFull Stack Developer - Java & Modern Frontend\nTwoday is looking for experienced Full Stack Developers to join our Digital Engineering organisation and work with business-critical digital solutions within the Danish healthcare sector.\nYou will work across backend and frontend development in a complex environment where software quality, integration, security and operational stability are essential.\nThe role\nAs a Full Stack Developer, you will contribute throughout the development lifecycle - from technical design and backend services to user interfaces, testing, deployment and production support.\nYour responsibilities will include:\nDeveloping and maintaining Java-based backend applications\n\nDeveloping REST APIs and system integrations\n\nDeveloping modern frontend applications using JavaScript and TypeScript technologies\n\nWorking with Spring and Spring Boot\n\nIntegrating frontend applications with backend services and APIs\n\nWorking with relational databases and data-driven applications\n\nDeveloping automated unit and integration tests\n\nParticipating in code reviews and technical design\n\nSupporting CI/CD, deployment and production operations\n\nTroubleshooting complex issues across frontend, backend and integrations\n\nContributing to modernisation and reduction of technical debt\n\nCollaborating with architects, DevOps Engineers, testers and other development teams\n\nWorking effectively across organisational and supplier boundaries\n\nWhat we're looking for\nYou have:\nStrong professional software development experience\n\nProfessional Java experience\n\nExperience with Spring and preferably Spring Boot\n\nStrong experience with JavaScript and/or TypeScript\n\nExperience developing REST APIs and integrations\n\nExperience with SQL and relational databases\n\nExperience with modern frontend frameworks\n\nExperience with Git and modern development workflows\n\nExperience with automated testing\n\nUnderstanding of CI/CD and modern software delivery\n\nExperience from complex enterprise environments\n\nExperience with Docker, Kubernetes, Kafka, messaging, Jenkins, Azure DevOps or Infrastructure as Code is an advantage.\nExperience from digital healthcare is highly valued. We are particularly interested in developers who have worked with national healthcare solutions, healthcare integrations, healthcare data or other critical systems within the Danish healthcare sector.\nExperience from complex public sector systems and multi-supplier delivery environments is also valuable.\nFluent Danish, both written and spoken, is required.\nYou must be able to work onsite at the customer location in Copenhagen when required, which may include five days per week.\nWhat we offer\nAt Twoday, you'll join one of the leading technology consultancies in the Nordics. You will be permanently employed by Twoday and work on long-term, business-critical customer engagements while remaining part of our professional engineering community.\nWe offer challenging projects, strong technical communities, continuous professional development and the opportunity to work with solutions that have significant societal impact.\nYou will join Twoday as a permanent employee and become part of a strong professional community across software engineering, architecture, cloud and data.\nYou'll work on long-term, business-critical customer engagements while continuing to develop your expertise within Twoday's engineering community.\nAbout Twoday\nTwoday operates from modern offices across 30 locations in Norway, Sweden, Denmark, Finland, and Lithuania. We have a strong and unique social environment with highly engaged employees. If you are the candidate we are looking for, you will play a central role with exciting opportunities to grow within an international and innovative group, working on cutting-edge technology and software solutions. You will also have the flexibility to occasionally work from one of our main offices in Oslo, Stockholm, Copenhagen, Helsinki or Vilnius.\nDiversity & inclusion\nDo you not meet all the requirements? Studies show that women and minorities are less likely to apply for a job if they don’t meet every qualification. At Twoday, we are committed to building a workplace and community where everyone is welcome. If you are excited about this role but your previous experience doesn’t perfectly align with the job description, we still encourage you to apply.","description_format":"text","description_chars":4975,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Danish","level":"Advanced (C1)","optional":false}]},"benefits":["Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Custom Software Development","AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-09-14T19:00:35Z"}],"liveness":{"score":29,"band":"fade","label":"Fading","p_open":0.9,"p_active":0.704,"p_room":0.45,"age_days":50,"expected_fill_days":30,"reasons":["conf:67","velocity","win:tail"],"computed_at":"2026-09-30T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/twoday-oy-full-stack-developer-java-modern-frontend","json_url":"https://alion.io/job/twoday-oy-full-stack-developer-java-modern-frontend.json","meta":{"generated_at":"2026-10-01T05:04:51Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4707,"day_limit":5000,"remaining_today":293,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}