We are looking for an experienced Software Engineer - supporting all of our SIM related initiatives starting with process automation of our SIM lifecycle-management processes for UICC, eUICC and eSIM in the field as well as maintenance of USIM applets.
You will also participate on our future SIM strategy working on new standards and product offerings.
The position can be based remotely or in one of the office locations in Berlin or Würzburg.
Your Impact:Collaborate within a cross-functional team to architect, build, test, deploy and run cloud-based telco applications for global IoT connectivity.
Apply your development expertise in Python, Typescript and Java for our SIM lifecycle-management software running on AWS.
Utilize your experience in JavaCard applet development to maintain our set of USIM applets
Design, implement and test services, enhancing our offerings with value-added features for our customers.
Leverage metrics data to prioritize tasks with the highest impact on engineering outcomes.
Share your domain and technical knowledge with the team and rely on their existing expertise to grow.
Technical Competency: Proficiency in building distributed network services applications using scripting languages (Python, TypeScript) and OoO languages (Java). Experience in designing cloud-based applications using AWS, Terraform, MySQL/Postgres. Familiar with JavaCard applet development and deployment cycle.
Domain Proficiency: Experience with or readiness to enhance your telecommunications knowledge.
Problem-solving: Expertise in unit testing of JavaCard applets as well as cloud-based microservices orchestrating their operation in the field.
Effective Communication: Ability to clearly share knowledge within and across teams, fostering a collaborative environment. Comfortable working with remote teams.
Adaptability: Ability to troubleshoot and resolve issues quickly. Experienced with working in an agile environment.
emnify is a global IoT connectivity platform provider, enabling enterprises and OEMs to build, deploy, and operate connected products at scale across 180+ countries. Our cloud-native SuperNetwork powers mission-critical use cases in industries such as mobility, logistics, energy, and industrial IoT.
We are a Series-B scale-up with a strong growth trajectory and a clear focus on upmarket and enterprise customers. emnify’s technology and innovation have been recognized repeatedly by the industry, including:
- eSIM Provider of the Year at the MVNOs World Awards 2025
- Platinum Award for eSIM Management Platform Innovation by Juniper Research (2025)
- IoT Innovator Award by Compass Intelligence for aviation connectivity
- Deloitte Technology Fast 50 Germany, recognizing emnify as one of the country’s fastest-growing tech companies
Top Skills
What We Do
emnify is the leading cloud building block for cellular communications in the IoT stack, connecting millions of IoT devices globally – from electric vehicles to energy meters, alarm systems to GPS trackers, thermometers to health wearables.
The emnify API and SIM technology connect and secure any kind of IoT deployment to its application back-end. emnify’s cloud-native integrations and no-code workflows ensure seamless lifecycle scalability for deployments of all sizes – from local start-up to global enterprise.
The emnify IoT SuperNetwork is the largest globally distributed mobile cloud core network of its kind, supporting local network access (2G – 5G, LTE-M, NB-IoT) in over 180 countries from more than 25 cloud regions – and counting. emnify’s solution is built on partnerships with the leading hyperscaler cloud service providers, system integrators and hundreds of radio network operators worldwide.
Founded in 2014, emnify was the first to transform cellular IoT connectivity into an easy-to-consume cloud resource – trusted today by thousands of the world’s most innovative companies. To learn more about emnify, please visit www.emnify.com
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