Depending on your experience and interests, a future leadership role is possible.

What we’re looking for

1. Solid, hands-on experience with cloud technologies, ideally Azure, that lets you enhance and extend our existing platform.
2. Proven embedded‑firmware skills, including seamless communication with cloud services.
3. Bonus: familiarity with mobile development to grasp the end‑to‑end Tapkey Protocol workflow.

We value curiosity and drive: if you’re eager to master new technologies, you’ll fit right in.

Activity Breakdown (approximate):

• 20% Architecture & Protocol Design
• 30% Reviews
• 25% Coding & Testing

OUR TECHNOLOGY STACK *

Experience in several of the following is desired; the ability to quickly learn any of these is essential.

ABOUT YOU (male/female/diverse)

Expertise Areas (strongly desired)

• You bring a profound understanding of scalability and performance needs in SaaS environments
• You bring deep familiarity with Microsoft Azure and are confident in leveraging its core cloud services effectively
• Solid experience with cloud and distributed databases , proficient in design, optimization, and management (e.g., Cosmos DB, SQL)
• You bring hands-on experience in designing robust APIs and protocols (e.g., based on Bluetooth, NFC/HCE)
• Security principles and their practical application
• In addition, you ideally bring expertise in some of the following areas , which are not mandatory but considered valuable:
• Cryptography and data protection concepts
• Automated testing methodologies to ensure quality and stability

Soft Skills and Personal Qualities

• You have a minimum of 5 years’ experience in designing and building scalable SaaS applications.
• You are a proactive problem solver who tackles challenges hands-on and doesn’t wait for others to step in.
• You are a strong team player who thrives on collaboration and contributes actively to joint success.
• You demonstrate a clear eagerness for continuous learning , staying adaptable in a fast-changing technical environment.
• You are confident and constructive in defending your own and your team’s technical perspectives , even in complex discussions.
• You are fluent in English and communicate clearly in technical and collaborative contexts.
• Good German listening skills are required to ensure smooth team communication – fluency is not necessary, but understanding spoken German is a must.

WHAT HAPPENS WHEN I APPLY?

• Initial screening by HR and a member of the Tapkey tech team .
• Technical and functional interview with our CTO .
• As part of our hiring process, we reserve the right to invite candidates to participate in an assessment centre to evaluate skills and team fit .
• Meet the team in person.

. She will get in touch with you.

The minimum gross salary based on the IT collective agreement (LT, standard level) is € 5.900 per month (14 times/year). Depending on qualifications and experience, we are happy to offer an overpayment.