> Markdown version of [/jobs/ext/4053784-lead-fullstack-engineer-java-javascript](https://www.wearedevelopers.com/jobs/ext/4053784-lead-fullstack-engineer-java-javascript). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Fullstack Engineer Java/Javascript - **Company:** SQUER Solutions GmbH - **Location:** Wien, Austria - **Experience:** Expert - **Salary:** €75,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Clojure, Cloud Computing, Software Architecture, Scala (Programming Language), Software Systems, TypeScript, Application Enhancement Tool, ReactJS, Large Language Models, Spring-boot, Backend, Vue.js, Kotlin, Containerization, AngularJS, Kubernetes, Front End Software Development, Docker, Programming Languages - **Published:** October 14, 2026 - **Apply:** https://jobroom.ams.or.at/jobsuche/FreieSucheVollanzeige.jsp?pk=5527351_7_6eecc15c-2e6a-44fd-8448-649d9df ## About the Role * You have a profound knowledge of both frontend and backend development and have completed a relevant university program. * Experience with established frontend (Angular, React, Vue.js) as well as backend frameworks (Spring Boot, Express). * You are proficient in one or more programming languages in the Java environment (Java, Kotlin, Scala, Clojure), or Javascript (Javascript, Typescript). * Basic understanding of software architectures, cloud-native development, and containerization (Docker or Kubernetes). * You have experience with an agile work approach and feel passionate and motivated about supporting software teams in all their disciplines. * You actively use AI-powered tools (e.g., code assistants, LLM-based workflows) to amplify your productivity and quality, or you're eager to start. * Trainings and development of your skills are highly important to you. Moreover, you enjoy passing on acquired knowledge. * You are fluent in English (written and spoken) in order to communicate in the best way possible with colleagues and partners. ## Description SQUER - Innovative technologies, agile concepts, MVP mindset - everyone is talking about it. With us you are right in the middle of it! Together with established clients, we develop efficient software solutions, move along product development, create agile values and principles and share our knowledge with the world.Making a real impact and delivering high standard quality while staying authentic and treating each other with respect and fairness are prerequisites for all our projects and as a core value within the team. 1 Lead Fullstack Engineer (m/w/x) Java/Javascript Your Tasks * Being part of SQUER means driving solutions in client projects and actively shaping SQUER with your knowledge. * You lead the entire development process and are significantly involved in technology decisions. * You will be responsible for the development and delivery of software solutions in collaboration with our clients. * You can communicate openly and are a team player. * You are working within agile teams on various customer projects and spread SQUER culture with the aim of constant improvement. * Instead of acting as a lone fighter, you are happy to share your knowledge with your colleagues as a sparring partner and coach.