1

Your Role

We are looking for a hands-on UICC/eUICC expert to take ownership of the engineering, interoperability, and certification readiness of our Consumer eSIM (SGP.22) and IoT eUICC (SGP.32) products.

You will operate across the full lifecycle, from profile design and technical specification to validation and production readiness, working at the intersection of SIM technology, devices, and mobile networks. The role is focused on ensuring our eSIM products meet a high bar for quality, reliability, and interoperability before rollout.

Your Impact

• Own the end-to-end engineering and validation of SGP.22 and SGP.32 eSIM products, including profile design reviews and translation of product requirements into technical specifications
• Define and execute certification and validation strategies using GSMA artefacts (e.g. SAIP, BAP), including lab and real-world interoperability testing across devices and networks
• Investigate and resolve complex cross-domain issues (SIM, device, network), providing clear root cause analysis and coordinating fixes with internal teams and external vendors
• Act as the technical point of contact for remote provisioning platforms (SMDP+, eIM) and SIM/eUICC vendors, including defining acceptance criteria and supporting go/no-go decisions for production rollout
• Produce clear technical documentation (test reports, defect analysis, certification status) to enable Product, Support, and Customer-facing teams

Your Skills

• Strong hands-on experience in SIM/eSIM/eUICC engineering, validation, certification, or a closely related technical domain
• Proven experience working with GSMA standards, particularly SGP.22 and SGP.32
• Solid understanding of UICC/eUICC architecture, profile lifecycle, and OTA/provisioning processes
• Experience designing and executing test strategies using certification-style artefacts (e.g. SAIP, BAP or similar)
• Ability to debug complex issues across SIM, device, and network layers and coordinate resolution with multiple stakeholders
• tyle operational models.

Your Role

Awarded 2022’s Best Connectivity Solution, emnify does more than link the world's most cutting-edge devices. It is a place where curiosity is rewarded, collaboration is abundant, and encouraging others is a way of life.

We are looking for an experienced Staff Backend Software Engineer to support all of our SIM related initiatives starting with automation of our SIM ordering, provisioning and verification process till active SIM-lifecycle-management for UICC and eUICC in the field. You will also participate in our future SIM strategy working on new standards and product offerings.

The position can be based in Germany or Poland.

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, Java for our SIM management software running on AWS.
• Design and implement services, enhancing our offerings with value-added features for our customers.
• Leverage metrics data to prioritize tasks with the highest impact on engineering outcomes.
• Ensure reliable network connectivity for IoT devices, troubleshooting and resolving issues promptly.
• Share your domain and technical knowledge with the team and rely on their existing expertise to grow.

Your Skills:

• Technical Competency: Proficiency in building distributed network services applications using scripting languages (TypeScript, Python) and OoO languages (Java). Experience in designing cloud-based applications using AWS, Terraform, MySQL/Postgres. Full-stack and frontend dev experience is a plus.
• Domain Proficiency: Experience with or readiness to learn about telecommunications knowledge, specifically SIM (Subscriber Identity Module Card).
• Problem-solving: Expertise in unit testing and CI/CD practices.
• 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, ensuring reliable network services. Experienced with working in an agile environment.

About emnify

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:

Your Role

We are looking for a talented Backend Engineer with an interest in telecommunications and a passion for software development and big data technologies. You will be responsible for real-time processing of our data, enabling microservices and supporting the company to work in a fully data-driven environment. The position can be based in emnify’s office either in Berlin, or in Würzburg, or remote in Germany or Poland. 

Your Impact

• Work within one of our service squad responsible for designing, building, testing, and running components or projects which drive the pricing & charging of emnify
• Development of APIs and real-time data processing applications based on streaming technologies on the top of Apache Kafka ecosystem with a focus on scalability and reliability
• Work with a team on core telecommunication functions like automated product lifecycle, in a modern cloud-based environment
• Architecture and design of above-mentioned components to run on AWS in a scalable fashion
• As a part of a team, you will be responsible for deploying and running these applications using CI/CD tooling like Jenkins, Terraform and monitoring solutions like Grafana, Prometheus etc

Your Skills

• Experience of full-cycle engineering from POC to production with JVM based languages preferably Scala (large part of our code-base is in Scala). 
• Demonstrable experience working with stream/data processing platforms like Kafka streams, Spark (Glue) and/or Flink.
• You have designed at least one or more complex APIs and made major contributions into complex projects running in production.
• Proven expertise in implementing and deploying solutions in cloud environments (with a preference for AWS), ideally using Infrastructure-as-a-code.
• Experience working on relational databases.

Bonus Points

• Interest in telecommunication, Internet of Things, network protocols and SDN
• Happy to contribute to our components running on Node.js (Typescript).
• Work experience in agile development teams
• Having contributed to Open-Source projects (link to github/gitlab project)
• Relevant AWS certification

About emnify

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: