Your Role
You will join our EXP Squad, building the customer-facing APIs and backend systems that power how enterprise customers manage and automate their IoT connectivity. These are production systems that directly impact adoption, scalability, and reliability.
As a Senior Software Engineer, you will operate at the intersection of product thinking and technical excellence. You will not just implement tickets, you will own features end to end. From early discovery and architectural design to rollout and iteration, you will shape scalable, secure, and extensible systems.
Our core stack includes TypeScript, Node.js, and NestJS, running on AWS with Infrastructure as Code.
Location: Berlin, Würzburg, remote within Germany, remote within Poland.
Your Impact
- Design and deliver scalable, customer-facing backend capabilities from architecture to production.
- Drive API and system design decisions with long-term scalability, security, and maintainability in mind.
- Collaborate closely with Product, Design, and other engineering teams to translate complex requirements into clean technical solutions.
- Improve reliability, observability, testing practices, and architectural standards within your domain.
- Contribute to mentoring, hiring, and raising the engineering bar within the team.
Your Skills
- Strong experience building scalable backend systems with TypeScript and Node.js, ideally using NestJS.
- Proven track record designing and evolving REST APIs in production environments.
- Solid experience with AWS and Infrastructure as Code, especially Terraform.
- Hands-on experience with data modeling and performance optimization in SQL or NoSQL databases.
- Demonstrated ability to own features end to end and make sound architectural trade-offs.
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
