533 English-speaking jobs in Vienna

The Section Head manages and leads the Radiation Safety and Monitoring Section, developing and implementing IAEA policy and program on radiation protection, radiological protection of patients and workers, and the IAEA's Radiation Safety Technical Services. The Section Head provides technical and managerial leadership, analyzes information, and develops strategies to enhance the IAEA's radiation safety program.

Internship in Group People Development & Culture supporting training and development programs, Diversity & Inclusion initiatives, and learning culture development.

Develop and enhance software for image processing and recognition of security features in banknotes. Implement algorithms in C# and collaborate with a research team.

Fullstack Developer will design, develop, and maintain scalable backend systems and user-centered applications for the Vienna Economic Chamber's Innovation Hub. Responsibilities include API development, database optimization, AI integration, and working in an agile team. Requires several years of fullstack development experience, ideally with Python & React, RESTful APIs, and PostgreSQL.

Protein Scientist to perform routine protein purification from recombinant and natural sources. Analyze purification samples, manage biological samples using software, and optimize purification processes. Requires a completed education in biochemistry, molecular biology, biotechnology, or a related field. Experience with FPLC systems and a high level of satisfaction in performing routine tasks are essential.

Bilingual German Generalist Evaluator Expert will design prompts, define evaluation standards, and test AI models for accuracy and cultural fit in German and English.

As a University assistant predoctoral, you will participate in research, teaching, and administration within the Soft Matter Experiments (SoMeX) Lab. You will contribute to ongoing research projects in soft matter physics, biophysics, and active matter, develop an original doctoral project, and publish research results. You will also hold courses and support the supervision of Bachelor and Master students.

As an Offensive Security Engineer, you will perform penetration tests, develop exploits, and partner with developers to remediate security flaws. You will also lead architectural reviews and build custom offensive tools.

We are seeking ambitious entrepreneurs to build and scale their own Fintech startups. You will own and operate your startup, receive personalized development support, and benefit from access to a network of top founders, investors, and talent.

Provides strategic and operational financial leadership for Commercial Operations in Austria. Leads financial planning, performance management, and governance. Acts as a trusted advisor to the Country Head and commercial leadership team. Ensures robust financial control and reporting. Develops and leads the Finance function.

Senior Software Engineer to join the Core Experiences Team, building and maintaining foundational services and SDKs for Speechify's product experience. Collaborate with product teams, optimize existing functionality, and ship cloud functions, backend services, and jobs using Kotlin.

Lead business development for Battery Energy Storage & Renewable Energy Solutions in Austria. Develop and execute go-to-market strategies, build key stakeholder relationships, and drive the full sales cycle. Minimum 5 years in the energy industry with 3+ years in sales management.

Software Engineer responsible for the mathematical and technical foundation of casino gaming experiences. Develops and maintains server-side SDK components, ensures fairness and scalability of games, and collaborates with mathematics and development teams. Requires solid C# experience, mathematical aptitude, and strong code review skills.

Design, build, and maintain data pipelines for AI research and experimentation workflows. Develop backend services and APIs for researchers to access data. Collaborate with researchers to understand data needs and build solutions.

Lead a global team of data scientists, ML engineers, and AI researchers, setting technical direction and ensuring quality. Define and champion best practices for AI-assisted software development. Collaborate with product managers and engineering leads to translate requirements into technical solutions. Stay current on AI research and assess its applicability to the organization's products and processes.

GATX Rail Europe seeks an IT Network Engineer to maintain and develop network infrastructure, including data centers and office locations. The role involves implementing and supporting network solutions, firewalls, and disaster recovery procedures.

Design, develop, and maintain scalable software products within an international eCommerce context. Collaborate in an agile development team, utilizing Java, REST Web Services, and Event-driven Architecture.

As a Senior BI Analyst for the NCE region, you will generate insights on customer behavior, retention, and lifetime value. You will build data models, clean datasets, and develop scalable reporting. You will also act as an analytical partner for product and CX teams, leveraging data to improve customer experience and influence product strategy.

Software Tester with 5+ years of experience in testing enterprise imaging software. Develop, enhance, and maintain automated test frameworks (UI, API, integration). Perform functional, regression, performance, and compatibility testing. Collaborate with developers to ensure testability and integrate testing early.

Senior Research Fellowship for Master's/Doctoral graduates. Develop research paper in approved areas with mentorship and publication with DOI.