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Accso

Designs, builds, operates enterprise software solutions

Senior Software Security Engineer

Security Engineering & ArchitectureUpdated on Nov 14
Full-timeFrankfurt, GermanyNo salary listed

About the Job

Requirements

  • A completed university degree in Computer Science or a comparable discipline is required.
  • Extensive experience and expertise in secure software development, applying and adapting security principles and practices such as NCSC, OWASP, and MITRE.
  • Strong, in-depth software engineering knowledge and comfort working across both backend and frontend development.
  • Practical experience applying Secure by Design, Zero Trust, and other IT security principles in complex projects.
  • Profound knowledge of the OWASP Top 10 and MITRE CWE Top 25, including applying these practices and avoiding related risks.
  • Experience with DevOps automation and integrating security tools, including SAST, SCA, IAST, and DAST.
  • Fluent German at C1 level or higher and very good English at B2 level or higher.

Responsibilities

  • Work on consulting and software development projects for clients.
  • Design, develop, and implement software solutions using AI methods and tools throughout the software development process, including large language models, agentic frameworks, code generation, and test automation.
  • Apply secure software development principles and practices, such as NCSC, OWASP, and MITRE, in projects and adapt them for the company.
  • Work with technologies including C#, Java, JavaScript, Spring, or Vue, contributing according to strengths and interests, and take responsibility for IT security.
  • Design and build secure cloud infrastructures for developed applications, using platforms such as AWS, Azure, IONOS, or Google Cloud.
  • Represent the company as a reliable partner throughout the project lifecycle, from acquisition through acceptance, and proactively share knowledge.

About the Company

Accso

Designs, builds, operates enterprise software solutions

Accso is a Darmstadt-based software engineering and IT consulting firm that designs, builds, and operates custom software for enterprise clients. Its work spans architecture, cloud, AI and data, process automation, IoT, and digital transformation, with services from initial strategy and design to deployment, integration, and ongoing operation. Products and engagements are built as end-to-end software solutions tailored to each client, rather than off-the-shelf software. Accso differentiates itself through its full lifecycle capability for large organizations, its breadth across modern technologies, and its private-equity backing which supports long-term client engagements. The company’s goal is to help enterprises digitally transform by delivering custom software solutions that address real business needs and are operated and maintained over time.

Company size
201-500
Company stage
Not listed
Total funding
Not listed
Headquarters
Darmstadt, Germany
Founded
2010

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