454 English-speaking jobs in Vienna

The International Consultant will lead a Chinese Working Group to develop and pilot anti-corruption and ethics modules. The role involves coordinating group activities, engaging with university deans, and facilitating Training of Trainers workshops.

The Unit Head (Nuclear Security Detection Architecture) coordinates and delivers program activities related to nuclear security detection architecture within the IAEA's nuclear security program. The role involves managing a team, prioritizing activities, and coordinating inputs from other units. The Unit Head develops guidance, technical documents, and training materials, and provides expert support for establishing and sustaining effective detection capabilities.

Lead the design, development, and optimization of full-stack applications using React, Node.js, Postgres, and Python. Mentor junior engineers and ensure robust, scalable solutions.

Lead and optimize process management, project controlling, and operational efficiency in the Power Plant Engineering Department. Act as process expert, manage projects, coordinate engineering schedules, and support engineering teams.

Experienced Controller to lead financial management, reporting, and analysis for a growing company. Oversee accounting operations, budgeting, forecasting, and compliance. Strong analytical and communication skills required.

Lead and support a finance operations team, overseeing disbursements, payments, and reconciliations. Ensure compliance with internal controls and audit requirements. Partner with international finance teams.

Co-Founder & COO sought for Psychology, Mental-Health Tech & AI startup. Must have experience as a Founder/Co-Founder or senior leader in a high-growth company. Deep understanding of technology, AI, finance, legal, marketing, and fundraising required. European base with global mobility essential.

Experienced backend engineer sought to develop and improve scalable backend services using Python, Django, and modern technologies. Responsibilities include architectural contributions, event-driven system design, performance optimization, and technical leadership. Requires 10+ years of backend development experience, strong architectural skills, and experience with RabbitMQ or Kafka.

The Unit Head leads the development and delivery of nuclear security detection architecture programs, manages a technical team, and provides expert support to Member States.

Senior Android SDK Engineer will design and develop the next generation of mobile app monitoring tools. Responsibilities include guiding SDK development, pioneering new features, and shaping the vision for mobile at Sentry. Requires 5+ years of experience as a Software Engineer with a focus on mobile platforms, deep Android development experience using Kotlin and Java, and a strong understanding of mobile architecture.

Leads the design, implementation, and execution of market surveillance and risk management frameworks in Europe. Ensures alignment with EU regulatory requirements, including MiCA.

PhD candidate will conduct research on neuronal networks in the Drosophila brain, publish findings, and participate in teaching and administrative tasks.

Marketing Manager to support and execute marketing strategies, develop and optimize online & offline campaigns, and manage digital, social media, and PR activities.

The University of Vienna invites applications for multiple doctoral positions in History, Cultural Studies, and Philology. Successful candidates will conduct original research, publish in peer-reviewed journals, and teach university courses.

QA Engineer / Sr. QA Engineer needed to ensure quality and reliability of a Machine-Learning-driven e-commerce platform. Responsibilities include developing QA architecture, managing risk, and designing automated test suites. Requires 4+ years of experience in software quality assurance with expertise in TypeScript, React, Node.js, Python, and PySpark.

Senior Sales Manager to expand the marketplace in the Consumer Electronics segment. Manage the full sales cycle, identify and secure partnerships with new sellers. Proven track record of closing enterprise deals and experience with marketplace business models required.

Designs, builds, and deploys AI and ML solutions for business processes. Collaborates with data engineers, product teams, and domain experts. Develops and maintains ML pipelines, productionizes models, and optimizes performance. Requires a Bachelor's or Master's degree in a related field and experience with Python, ML frameworks, and containerization.

Lead and scale a world-class, AI-first accounting and tax function for a high-growth B2B SaaS company. Own end-to-end accounting, drive a reliable monthly close, and ensure compliance with IFRS and tax regulations. Build and manage a team of Senior Accountants and Finance Operations roles.

Senior Android SDK Engineer will design and develop the next generation of mobile app monitoring tools. Responsibilities include guiding SDK development, pioneering new features, and shaping the vision for mobile at Sentry. Requires 5+ years of experience as a Software Engineer with a focus on mobile platforms, deep Android development experience using Kotlin and Java, and a strong understanding of mobile architecture.

MindFriend, a Psychology, Mental-Health Tech & AI startup, seeks a Co-Founder & Chief Operating Officer with deep tech and AI knowledge, startup ecosystem awareness, and a continuous learning mindset. Must be fluent in modern technology, AI systems, and digital platforms, actively following market trends and competitive dynamics. This is a founder role requiring strategic and execution leadership across strategy, operations, fundraising, technology, finance, marketing, hiring, and culture building. European base with global mobility required.