Pan Dacom Direkt GmbH | Germany | 60xxx, 65xxx Dreieich bei Frankfurt am Main | Permanent position | Full time | Published since: 22.05.2026 on stepstone.de
Senior Software Developer – Cryptography (m/f/d)
The Pan Dacom Group is a medium-sized IT system house with around 300 employees. As a technologically leading manufacturer with its own hardware and software development in Germany, we have long-term IT know-how and plan and realize complex networks for our customers. Our success is based on technological innovation, excellent service and long-term partnerships with our customers. As an owner-managed company, free from investors, we can think and act in the long term. For over 40 years, we have been developing successfully on the market and investing continuously and in the long term in our future – currently for example through the new building of our headquarters in Offenbach. The very good results of our Great Place to Work® employee survey 2026 show that not only technology, but also cooperation and leadership are convincing. Senior Software Developer (m/w/d) Location: Dreieich (Rhein-Main area)
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Your tasks • Your profile • What we offer
Embedded Core & OS: You design and develop hardware-related software (Middleware & Drivers) based on embedded Linux and FreeRTOS. Integrated Security: You implement cryptographic solutions for layer 1 and layer 2 encryption for secure data transmission. Architecture & design: From requirement analysis to scalable software architecture, you shape the entire stack and select appropriate libraries. Connectivity: You develop efficient APIs and interfaces for controlling complex hardware components. Modern Tooling: You work with Cross-Compile Toolchains, have experience with Autotools and know automation solutions such as Jenkins.
Education: Master in Computer Science, Electrical Engineering or Physics. A PhD with a focus on cryptography or embedded systems is a plus, but no need for appropriate professional experience. C expert: You control C in sleep, are safe in Python/Bash and know how to respond to hardware interfaces (I2C, SPI, PCIe). Crypto-know-how: You have profound experience with encryption methods (symmetric/asymmetrical, AES-GCM, ECC/ECDH) as well as with key management and authentication protocols. Interest in post-quantum cryptography (PQC) is very welcome. Linux professional: You have deep knowledge of embedded Linux, kernel adaptations and driver development. Network confession: Experience with protocols such as Ethernet, OTN or Fibre Channel is desirable. Operation: You value Clean Code, use version management systems such as Git securely and have the right to deliver stable high-performance software. Language: Very good German knowledge and good English skills.
High-tech development team: You develop innovative software at the highest technical level using state-of-the-art software at the market leader in Germany. Security & Perspective: A safe workplace in a successful, owner-operated company with growth perspective. Valuable corporate culture: flat hierarchies, short decision-making paths and real team spirit. Work-Life-Balance: Up to 33 days vacation Benefits: Job wheel, pension, accident insurance etc. Modern working environment: Top equipped office campus with ideal connection, free parking incl. underground parking and e-stores. Sustainability: Ecologically certified by Ecovadis. .
Location
 | Pan Dacom Direkt GmbH | |
| 60311 Dreieich bei Frankfurt am Main | ||
| Germany |
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