Technical Lead - Cloud & IoT (m/f/d)
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 WILL YOU 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
* Solid, hands-on experience with cloud technologies, ideally Azure, that lets you enhance and extend our existing platform.
* Proven embedded‑firmware skills, including seamless communication with cloud services.
* 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
* 25% Communication & Overhead
OUR TECHNOLOGY STACK
Experience in several of the following is desired; the ability to quickly learn any of these is essential.
Cloud:
* App Services
* Azure Functions
* Azure SQL
* CosmosDB
* Service bus
* API Management
* Infrastructure as Code (Bicep)
WebApis / Jobs:
* .NET Core with C#
* Open Api
* IdentityServer, OAuth, OIDC
* Entity Framework Core
* .NET Orleans
Embedded
* FreeRTOS
* C, C++, CLI/C++
* CMAKE
* ARM, Nordic
WebApps:
* Angular, Typescript
* Blazor WASM
Mobile:
* Angular, TypeScript
* Cordova, Ionic
* Android (Kotlin, Java)
* iOS (Swift, Objective C)
* j2Objc
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?
* Opportunities for personal development and growth
within the position.
* Diversified tasks
and
innovative projects
.
* A
central and long-term role
in a
growing scale-up
with the
strong backing and stability
of an international company group.
* Independent but goal-oriented work
with
freedom to help shape the company
.
* Company events:
Off-site summits, hiking tours, business runs, wakeboarding, Wednesday-Lunch, and much more.
* Cool team and easy-going atmosphere.
Stop by and feel the spirit – or get a first impression on
Instagram
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
. 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.