Professional/Senior Java Backend Developer (m/w/d)

Join our dynamic team at CHECK24 as a Professional/Senior Java Backend Developer (m/w/d) in Vienna! In this role, you will be responsible for developing and enhancing our financial and insurance products using cutting-edge technologies. Your expertise in Java, Spring, MongoDB, Elasticsearch, and Kubernetes will be crucial as you take charge of the design, im…

Join us in revolutionizing product cost and CO₂ intelligence!Tsetsoftware is at the forefront of transforming the manufacturing sector's approach to cost efficiency and sustainability. Our innovative software enables engineers to make informed, eco-friendly, and cost-effective decisions throughout the entire lifecycle—from development to production and procurement.With esteemed clients such as BMW Group, Brose, and Stabilus, we are rapidly expanding our reach across Europe, North America, and Asia.If you are driven by a passion for developing impactful software that fosters sustainability and you aspire to contribute to the backend of a purpose-driven product, we invite you to join our team.

Join our client, a leading company established in 2013, specializing in digital transformation projects within the telecommunications and construction sectors. They have built a reputation as a reliable partner in the industry. To strengthen their development team, they are seeking a skilled Software Developer with a strong background in software architecture.Software Architecture & Guidance: Take the lead in designing and evolving the software architecture platform.Development: Stay hands-on by actively participating in software development.Modular Systems & BPMN Tools: Collaborate with modular software systems and BPMN tools such as Camunda.Databases: Engage with relational databases including Oracle and PostgreSQL.

Qualysoft is on the lookout for a skilled Java Full Stack Developer with a strong emphasis on backend development to enhance our agile team. In this role, you will be instrumental in creating and maintaining high-quality enterprise services and streamlining business processes through BPMN, ideally utilizing Camunda BPM. Your responsibilities will include designing and developing robust APIs, implementing microservices architectures, and ensuring seamless database integration, all while working collaboratively with cross-functional teams in a dynamic agile environment. Experience in the telecommunications sector will be considered a significant advantage.

About the Role REWE International Dienstleistungsgesellschaft mbH is looking for a Senior Backend Developer to strengthen our eCommerce Checkout and Order Services team in Wien. This position focuses on building and improving backend systems that support checkout processes and order management for our online customers. What You Will Do Develop and maintain backend services for eCommerce checkout and order workflows Work closely with other engineers to design solutions that improve the user experience Contribute ideas to streamline and optimize our checkout processes Location This role is based in Wien.

Engage in the development and ongoing enhancement of a customizable white-label platform tailored for marketing and e-commerce websites.Integrate new functionalities on both the frontend and backend, alongside refactoring and enhancing existing solutions.Contribute actively throughout the software development lifecycle within an agile, cross-functional product team, working alongside Frontend, Backend & Full-Stack Developers, UX/UI designers, QA specialists, Product Owners, Scrum Masters, and DevOps professionals.Design, implement, and maintain RESTful services that support our platform's functionality.Assess and adopt new technologies to deliver cutting-edge solutions.Uphold high standards for code quality, performance, maintainability, and testability.Document technical specifications and promote knowledge sharing and coaching within the team.

Join our innovative team at CHECK24 as a Senior Full-Stack Java Developer. In this pivotal role, you will leverage your expertise in Java development to create scalable and robust applications that enhance user experience. You will work collaboratively with cross-functional teams to design and implement cutting-edge solutions that meet our clients' needs.

Join our client, a leading European company in the education sector, as a Fullstack Developer specializing in React and Java. Contribute to the development of modern web applications and be a vital part of an agile development team.Development and enhancement of web applications within a cross-functional teamSupport in architecture and design decisionsIdentification of weaknesses and development of effective solutionsParticipation in the implementation of AI-based tools and methodologies

We are seeking a seasoned Software Development Expert (f/m/d) for a long-term, cross-departmental transformation project in the public sector. The ideal candidate will possess extensive knowledge in developing multi-tier application systems, with a focus on Java EE, Angular, PowerBuilder, as well as database and middleware components in accordance with TA 2.0 and TA 3.0J architectures.Position: Software Development Expert (f/m/d)Location: Wien (1–2 days per week on-site), otherwise remoteStart: Q1 2026 | Duration: 12 months | Workload: 100%Languages: German required

Join Tset Software as a Tech Lead and shape the future of cost and CO₂ intelligence!At Tset, we are revolutionizing the manufacturing sector by providing innovative software solutions that enable engineers to make informed, eco-friendly, and cost-effective decisions throughout the product lifecycle, from development to procurement.We proudly serve industry leaders such as BMW Group, Brose, and Stabilus, and we are rapidly expanding our reach across Europe, North America, and Asia.If you are passionate about creating impactful software and wish to mentor a backend team while remaining actively engaged in coding, we invite you to apply!

About the Role REWE International Dienstleistungsgesellschaft mbH is looking for a Senior Full-Stack Developer to strengthen the team in Wien. This position focuses on building and improving solutions that support logistics and supply chain management. What You Will Do Work across both front-end and back-end systems to deliver new features and enhancements Collaborate with colleagues from different departments to turn business needs into technical plans Contribute ideas and technical expertise to ongoing and upcoming projects Who We’re Looking For Experience in both front-end and back-end development Strong problem-solving skills and a proactive approach Comfort working with cross-functional teams

Location: Vienna (1–2 days on-site per week during onboarding, then 2-4 days per month; otherwise fully remote) Start: ASAP | Duration: 12 months (extension possible) | Workload: 100% Language: English (must-have) + German (nice to have)Join our dynamic team at Qualysoft as a Java Full Stack Developer. We seek an individual with robust backend development skills to contribute to our agile projects. Your responsibilities will include designing and developing APIs, implementing microservices architectures, integrating with databases, and participating in frontend development utilizing JavaScript/TypeScript with frameworks such as React or Angular. Collaborate with cross-functional teams in a fast-paced agile setting. Prior experience in the telecommunications industry is highly desirable.

We are seeking a skilled Senior Database Developer (m/f/d) for our client, a globally recognized company in the medical technology sector. In this pivotal role, you will lead the migration of existing customer systems to a modern platform. You will analyze current data structures, formulate migration strategies, and ensure that data is consistently, completely, and transparently transferred to the new system landscape.Plan and execute data migrations from existing customer systemsDesign and implement ETL processes for data extraction, transformation, and integrationAnalyze existing data structures in legacy systemsDevelop migration scripts and data transformationsEnsure data integrity and consistency during migrationsCollaborate closely with customers to clarify data structures and requirementsAssist the testing team in validating migration resultsThoroughly document migration processes to enable reliable future use of migrated data by clients

Our client is a highly successful company with stable growth and a long-term perspective. To strengthen the existing team, we are looking for a FullStack Developer (w/m/x) with solid technical expertise and strong interpersonal skills.The focus is on developing modern end-to-end applications in a professional and well-organized environment.Development and enhancement of front- and backend componentsBuilding and operating end-to-end applicationsCollaboration on challenging software projectsClose cooperation with internal teams and stakeholdersDepending on experience: participation in IT & telecom-related projects

Join our dynamic team at Devoteam as a Senior Cybersecurity Consultant, where you will play a critical role in safeguarding our clients' digital assets. You will leverage your expertise to assess security vulnerabilities, design protective measures, and implement robust cybersecurity strategies.Your insights will guide organizations in navigating the complex landscape of cybersecurity threats. Collaborate with top-tier professionals and contribute to innovative solutions that make a difference.

Role Overview Deloitte Austria is seeking a Senior Consultant in M&A Restructuring for its Wien office. This position focuses on guiding clients through complex financial transactions and restructuring processes. The role supports organizations in aligning restructuring efforts with broader strategic objectives. What You Will Do Advise clients on financial restructuring and M&A transactions Analyze financial data to support recommendations and decision-making Work closely with cross-functional teams to deliver tailored solutions Help clients navigate change while maintaining focus on strategic goals What Helps You Succeed Strong analytical and problem-solving skills Experience in M&A, restructuring, or related financial advisory work Ability to collaborate effectively with colleagues from different disciplines Commitment to delivering high-quality client service

Bist du bereit, nicht nur Projekte zu führen, sondern auch aktiv an innovativen digitalen Lösungen zu arbeiten? Wenn du strategisch denkst, operativ handelst und die Verantwortung vom ersten Konzept bis hin zum erfolgreichen Launch übernimmst, könnte diese Position genau das Richtige für dich sein.Unser Kunde ist eine moderne Digitalagentur mit Standorten in Salzburg und Wien, die herausragende digitale Produkte für renommierte Kunden aus verschiedenen Branchen entwickelt.In deiner Rolle als Senior Digital Projektmanager spielst du eine zentrale Rolle bei der Umsetzung komplexer Digitalprojekte in Bereichen wie Websites, eCommerce, Portale, digitale Produkte, Apps und PWA.

deintraumjobwartet is hiring a Senior Consultant for Finance & Controlling (m/w/d) based in Vienna or working remotely from anywhere in Austria. This management consultancy supports clients from various industries with complex financial projects, focusing on both sustainability and innovation. Role overview This position centers on advising clients in controlling and finance, collaborating closely with staff and top management. Projects cover the full lifecycle, from concept development to hands-on implementation, with attention to both organizational and technical details. What you will do Advise on customer and product profitability accounting Support plant and operations control Contribute to functional control and business unit management Assist with group management and financial accounting Address risk and compliance topics Benefits Target salary starting at €85,000 gross, with potential for a higher offer depending on experience and qualifications Clear career path from day one, including training and development up to partner level Company car (depending on agreement and qualifications) Public transport ticket 30 vacation days Work rhythm: about 2 days per week at client sites (mainly within Austria), 2 days remote, and 1 day in the Vienna office Modern, green office at Vienna Central Station with panoramic views, snacks and drinks, and quality equipment Work-life balance supported by sabbatical options and flexible, trust-based working hours Regular team events, including summer and Christmas parties, networking, and informal gatherings Collaborative culture shaped by pioneering spirit and commitment Additional benefits and openness to individual preferences Location details The role can be performed from the central Vienna office (near Vienna Central Station) or remotely within Austria. Travel to client sites across Austria is expected about two days per week.

Role overview REWE International Dienstleistungsgesellschaft mbH seeks a Backend Software Engineer (m/f/x) based in Wien. The position centers on developing and enhancing backend systems that support eCommerce operations and customer engagement. What you will do Design and implement backend solutions for eCommerce services Optimize systems to ensure smooth performance for customer-facing applications Collaborate with colleagues to deliver dependable and efficient shopping experiences

deintraumjobwartet sucht in Wien eine erfahrene Persönlichkeit als Senior Consultant – Procurement & Supplier Management (m/w/d). Diese Position richtet sich an Beraterinnen und Berater, die aktiv an der Weiterentwicklung und Transformation von Einkaufs- und Lieferantenmanagement bei Kundinnen und Kunden mitarbeiten möchten. Das Unternehmen arbeitet branchenübergreifend an großen Projekten und wurde von Forbes als eine der "World's Best Consulting Firms" ausgezeichnet. Was Sie erwartet Unterstützung von Kundinnen und Kunden bei der Entwicklung moderner Einkaufsorganisationen, von der Strategie bis zur Umsetzung Verantwortung in Transformationsprojekten im Bereich Procurement & Supplier Management Analyse und Optimierung von Einkaufsstrategien, Prozessen, Organisationsstrukturen sowie Lieferanten- und Warengruppenmanagement Leitung und Durchführung von Workshops und Schulungen zur Stärkung der Einkaufsorganisation beim Kunden Vorteile und Benefits Transparenter Karrierepfad ab dem ersten Tag, mit Entwicklungsmöglichkeiten bis zur Partner-Ebene und umfassenden Weiterbildungen Firmenfahrzeug je nach Absprache und Qualifikation Ticket für öffentliche Verkehrsmittel 30 Urlaubstage pro Jahr Abwechslungsreiche Arbeitswoche: etwa zwei Tage beim Kunden österreichweit, zwei Tage Homeoffice, ein Tag im Büro Modernes, zentral gelegenes Green Office am Wiener Hauptbahnhof mit Panoramablick, Snacks, Getränken und hochwertiger Ausstattung Gute Vereinbarkeit von Karriere und Work-Life-Balance: Sabbatical-Optionen und flexible Arbeitszeiten auf Vertrauensbasis Regelmäßige Teamevents wie Sommer- und Weihnachtsfeiern, Networking-Events und spontane Treffen Starker Teamzusammenhalt, geprägt von Pioniergeist und Engagement Zielgehalt ab 85.000 € brutto, Bereitschaft zur Überzahlung je nach Qualifikation Weitere Zusatzleistungen sowie Offenheit für individuelle Wünsche