Technical Lead – Cloud & IoT

Position: Full-time 
Working Hours: 38.5 hours/week
Location: Vienna (Hybrid – at least 2 days/week on-site)

Tapkey is a smart team with a mission to change smart access for good. Our technology transforms the smartphone into a secure key for doors, cars, boxes and more. We offer a globally unique technology platform with extensive integration capabilities via SDKs and Web APIs. By bundling our competencies with a global network of partners and integrators, we create solutions offering a unique user experience for various industries such as building access and automotive.

Due to the expansion of our product portfolio and business growth, we are strengthening our Development Team. Join us at the forefront of the access technology industry, building the future of digital keys for buildings, vehicles, and beyond.

WHAT YOU WILL BE DOING? 🚀

In this role, you’ll focus on technical ownership with a strong hands-on and execution-driven mindset. You’ll play a key role delivering robust solutions across backend, firmware, and mobile  shaping our software architecture. 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.

WHY JOIN TAPKEY?

Diversified tasks and innovative projects

A central and long-term role in a growing start-up with the strong backing and stability of an international company group.

Opportunities for personal development and growth within the position

Independent but goal-oriented work with freedom to help shape the company

Cool team and easy-going atmosphere. Stop by and feel the spirit!

Company events: Off-site summits, hiking tours, business runs, wakeboarding, Wednesday-Lunch and much more.

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.

APPLY NOW!

Send your application documents to Martina Zopf at office@tapkey.com. 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.