612 English-speaking jobs in Vienna

Develop and improve Quantum Key Distribution (QKD) payloads for space applications. Drive technical decisions, collaborate with electronics and thermo-mechanical engineers, and execute laboratory testing. Prepare technical documentation and support environmental and space qualification campaigns.

Develop and manufacture Optical Ground Stations (OGS) for satellite-to-ground Quantum Key Distribution (QKD) links. Design subsystems including optical frontends, tracking systems, and single-photon detection modules. Integrate and optimize components such as telescopes, lasers, and quantum receivers.

As a Cyber Security Architect – Space & Ground, you will define and ensure compliance with cybersecurity requirements for space and ground systems. You will lead security evaluations, engineer security-critical requirements, and manage subcontractors. Expertise in applied cryptography, satellite communications, and Common Criteria is required.

Compulsory internship for a period of 6 months, starting March 2026. Support the tracking, analyzing, and monitoring of market trends. Close cooperation with colleagues in Eastern European countries and headquarters in Düsseldorf.

This 6-month compulsory internship offers a unique opportunity to learn product marketing strategies and processes within a global company. The role involves close collaboration with colleagues in Eastern Europe and headquarters in Düsseldorf, supporting market trend analysis and professional on-the-job training.

Compulsory 6-month internship for active Business Administration students with a focus on Marketing and Sales. Support product marketing strategies, analyze market trends, and collaborate with colleagues in Eastern Europe and Düsseldorf.

Compulsory 6-month internship for active Business Administration students with a focus on Marketing and Sales. Support product marketing strategies, analyze market trends, and collaborate with colleagues in Eastern Europe and Düsseldorf.

Compulsory 6-month internship for active Business Administration students with a focus on Marketing and Sales. Support product marketing strategies, analyze market trends, and gain practical experience in an international company.

Support the tracking, analyzing, and monitoring of market trends in Eastern Europe. Learn product marketing strategies and processes in a global company.

Software Development Engineer in Test (SDET) will test software applications and features using test suites and scripts. Responsibilities include troubleshooting automation issues, collaborating with developers and stakeholders, understanding project documents and customer demands, and creating and executing test cases. The SDET will also support non-functional requirements such as performance testing and manage the final quality on production release.

The Head of Finance will shape the financial backbone of GATE Space, a company developing green chemical space propulsion solutions. Responsibilities include financial modeling, accounting, performance analysis, stakeholder updates, contract reporting, legal administration, compliance, payroll, and implementing large finance transactions.

Lead technical sales, demos, and architecture discussions as Field CTO. Hands-on engineering lead, building integrations and setting quality standards. Build and manage a technical team, drive customer integrations, and gather feedback. Requires 7+ years software engineering experience and proven pre-sales/solution architecture expertise.

Senior Software Engineer to build a retail-friendly access point to DeFi, expanding Bitpanda's ecosystem into the Web3 space. Develop an intuitive and secure DeFi wallet and work on next generation Web3 products. Expertise in backend services or reactive frontend development with familiarity in smart contract development, hosting cryptonodes, and blockchain technologies.

Bitpanda seeks a Senior Software Engineer with expertise in backend services, reactive frontend development, or full-stack excellence. Responsibilities include building and expanding a DeFi wallet, developing Web3 products, and tackling complex technical challenges. Familiarity with smart contract development, blockchain technologies, and relevant frameworks is required.

Senior Fullstack Developer will work on Bitpanda's Crypto Hub, building a retail-friendly access point to DeFi and expanding the ecosystem into the Web3 space. Responsibilities include developing a secure and intuitive DeFi wallet, working on next-generation Web3 products, and translating product ideas into technical solutions.

Senior Fullstack Engineer will work on Bitpanda's Crypto Hub, building a retail-friendly access point to DeFi and expanding the platform into the Web3 space. Responsibilities include developing a secure and intuitive DeFi wallet, working on next-generation Web3 products, and translating product ideas into technical solutions.

Bitpanda seeks a Senior Software Engineer with expertise in backend services, reactive frontend development, or full-stack capabilities. Responsibilities include building and expanding a DeFi wallet, developing Web3 products, and translating product ideas into technical solutions. Familiarity with smart contract development, blockchain technologies, and relevant frameworks is required.

Develop cutting-edge IT solutions as a Java Developer at Rewe International AG. Design, optimize, and implement new software for global usability. Minimum 2 years of Java backend development experience required, including expertise in Spring Boot Framework and relational databases.

Develop cutting-edge solutions as a Java Developer at Rewe International AG. Design, optimize, and implement IT solutions for global usability. Lead the software development lifecycle, including rollout and support. Minimum 2 years of Java backend development experience required.

Develop cutting-edge IT solutions as a Java Developer at Rewe International AG. Design, optimize, and implement new software for global usability. Minimum 2 years of Java backend development experience required, including expertise in Spring Boot Framework and relational databases.