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Full-Stack / Backend Engineer (Kotlin/Java) + Angular (w/m/x)
Kleines Team, große Wirkung
Wir digitalisieren mobile Geschäftsprozesse für Kund:innen aus Bau/Handwerk, technischem Kundendienst und Logistik. Mit smarten Mobile- und Web-Apps, einer robusten Middleware und AWS-Cloud-Services machen wir Arbeit im Feld einfacher, schneller und papierlos.
Warum dieser Job?
- Mehr Impact, weniger Konzern: Direkte Zusammenarbeit mit Gründer:innen und Kolleg:innen – schnelle Entscheidungen, sichtbare Ergebnisse.
- Breite Aufgaben statt Silos: Backend (Kotlin/Java) und Angular-Frontend, plus Cloud & DevOps.
- Sichtbare Resultate: Deine Features landen rasch bei echten Nutzer:innen – von Techniker:innen bis zur Dispo.
Deine Aufgaben
- Entwicklung und Weiterentwicklung unserer Backend-Services (Kotlin/Java, JBoss/WildFly Jakarta EE, Docker)
- Moderne Web-Frontends mit Angular/TypeScript bauen
- APIs designen, testen und dokumentieren (REST/JSON, OpenAPI)
- Datenmodelle & Persistenz (SQL/MySQL) gestalten und optimieren
- CI/CD mitgestalten (Builds, Tests, Deployments über Bitbucket Pipelines)
- Architektur & Code-Reviews im Team
Unser Tech-Stack
Backend: Kotlin, Java, JBoss/WildFly Jakarta EE
Frontend: Angular, TypeScript
DevOps/Infra: Bitbucket Pipelines, Keycloak, Ubuntu Linux Server
Cloud & DB: AWS (EC2, RDS/Aurora), SQL/MySQL
Was du mitbringst
Must-haves
- Mehrjährige Erfahrung in Kotlin oder Java
- Solides Know-how mit Angular/TypeScript
- Clean Code, Testing und API-Design im Blut
- Teamgeist, Pragmatismus und Ownership
Nice-to-haves
- JBoss/WildFly Jakarta EE, Keycloak, Bitbucket Pipelines
- AWS-Know-how und SQL/MySQL-Tuning
- Mobile-Erfahrung (Ionic/Capacitor) von Vorteil
Wie wir arbeiten
- Hybrid & flexibel: 28–38,5 Std/Woche, Gleitzeit, keine Überstundenkultur
- ~2 Tage/Woche im Büro für Austausch & Teamspirit
- Workation: 2 Wochen Sommer + 2 Wochen Winter remote
- Ausstattung: Laptop & Smartphone (Mac/iPhone oder gleichwertig), auch privat nutzbar
- Office: Hellmonsödt/Linz – gute Öffis, Parkplätze, Kaffee/Drinks & Obst – und das Ganze "über der Nebelgrenze" mit viel Sonne ☀️
Gehalt & Entwicklung
Je nach Seniorität € 3.016 – 4.750 brutto/Monat. (Der Vollständigkeit halber weisen wir aber darauf hin, dass für diese Position ein kollektivvertragliches Mindestgehalt von € 2.635,– bzw. € 3.190,- brutto pro Monat gilt – abhängig von KV Stufe).
Dein Start
- Tag 1–7: Onboarding, Setup, erste kleine Verbesserungen shippen
- Monat 1: Erstes Feature Ende-zu-Ende verantwortet
- Monat 3: Teil-Ownership eines Moduls/Services
Bewerbungsprozess (2–3 Schritte)
- Kennenlernen (30 min) – remote oder im Büro
- Fachlicher Austausch (60–90 min) – Codebeispiele/Projekte bevorzugt; keine Whiteboard-Rätsel
- Team-Match – optionaler Bürobesuch
Schnelles Feedback: meist innerhalb weniger Tage.
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Small team, big impact
We digitize mobile business processes for clients in construction/trades, field service and logistics. With smart mobile & web apps, robust middleware and AWS cloud services, we make work in the field easier, faster and paperless.
Why this job?
- More impact, less corporate: Work directly with founders and colleagues – fast decisions, results instead of politics.
- Broad tasks instead of silos: Backend (Kotlin/Java) and Angular frontend, plus Cloud & DevOps.
- Visible results: Your features go live quickly for real users – from technicians to dispatchers.
Your responsibilities
- Develop and enhance our backend services (Kotlin/Java, JBoss/WildFly Jakarta EE, Docker)
- Build modern web frontends with Angular/TypeScript
- Design, test and document APIs (REST/JSON, OpenAPI)
- Design and optimize data models & persistence (SQL/MySQL)
- Shape CI/CD (builds, tests, deployments via Bitbucket Pipelines)
- Collaborate on architecture & code reviews
Our Tech Stack
Backend: Kotlin, Java, JBoss/WildFly Jakarta EE
Frontend: Angular, TypeScript
DevOps/Infra: Bitbucket Pipelines, Keycloak, Ubuntu Linux Server
Cloud & DB: AWS (EC2, RDS/Aurora), SQL/MySQL
What we expectMust-haves
- Several years of experience in Kotlin or Java
- Solid knowledge of Angular/TypeScript
- Clean code, testing and API design mindset
- Team player with pragmatism and ownership
Nice-to-haves
- JBoss/WildFly Jakarta EE, Keycloak, Bitbucket Pipelines
- AWS knowledge and SQL/MySQL tuning
- Mobile experience (Ionic/Capacitor) a plus
How we work
- Hybrid & flexible: 28–38.5 hrs/week, flexitime, no overtime culture
- 2 days/week in office for exchange & team spirit
- Workation: 2 weeks summer + 2 weeks winter remote
- Equipment: Laptop & smartphone (Mac/iPhone or equivalent), also for private use
- Office: Hellmonsödt/Linz – good transport, parking, coffee/drinks & fruit – and located "above the fog line" with lots of sunshine ☀️
Salary & Growth
Depending on seniority € 3,016 – 4,750 gross/month. (For completeness we point out that for this position a collective agreement minimum salary of € 2,635 or € 3,190 gross/month applies – depending on KV level).
Your start
- Day 1–7: Onboarding, setup, first small improvements shipped
- Month 1: First end-to-end feature delivered
- Month 3: Partial ownership of a module/service
Hiring process (2–3 steps)
- Intro call (30 min) – remote or in office
- Technical discussion (60–90 min) – code samples/projects preferred; no whiteboard puzzles
- Team match – optional office visit
Fast feedback: usually within a few days.
Key Skills
Ranked by relevanceReady to apply?
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