> Markdown version of [/jobs/ext/644127-sim-card-platform-engineer](https://www.wearedevelopers.com/jobs/ext/644127-sim-card-platform-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # SIM Card Platform Engineer - **Company:** Stellent IT LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Software Debugging, Interoperability, Systems Integration, Wireless Networks, Java Card - **Published:** June 25, 2026 - **Apply:** https://www.dice.com/job-detail/16d6807d-188f-41d3-8c38-6181691abb94 ## About the Role * 5+ years of experience with SIM, UICC, USIM, or eSIM technologies * Strong Java Card development experience * Experience with 3GPP standards and specifications * Understanding of SIM Toolkit (STK), UICC, and secure element architectures * Experience with GlobalPlatform specifications * Knowledge of subscriber authentication and mobile network registration processes * Experience supporting telecom, wireless, or mobile platform products * Strong debugging, validation, and integration experience Nice to Have * ITU standards experience * GSMA eSIM specifications * OTA provisioning experience * Cryptography and secure communications experience * Mobile carrier or SIM vendor experience * Experience with IoT connectivity platforms ## Description Our client is seeking a SIM Card Platform Engineer with expertise in Java Card, SIM/eSIM technologies, and 3GPP standards. This individual will support the development, integration, and validation of secure SIM card and eSIM platform capabilities used in mobile and connected device ecosystems. The ideal candidate will possess deep experience working with Java Card applications, SIM card architectures, telecom standards, and secure element technologies. Project The engineer will support the design, development, integration, and validation of SIM card platform capabilities, including Java Card applications, SIM/eSIM functionality, subscriber authentication, security features, and standards compliance. This role will work closely with software, security, platform, and telecom engineering teams to ensure interoperability with carrier networks and industry standards. ## Related Videos - [Location Verification without GPS?](https://www.wearedevelopers.com/videos/1184-location-verification-without-gps) - [WeAreDevelopers LIVE - Building The World’s Worst Image Editor™](https://www.wearedevelopers.com/videos/1836-wearedevelopers-live-building-the-world-s-worst-image-editor) - [From Bedside Beeps to Interoperable Bytes – Getting your medical devices ready to talk the IEEE 11073 language](https://www.wearedevelopers.com/videos/771-from-bedside-beeps-to-interoperable-bytes-getting-your-medical-devices-ready-to-talk-the-ieee-11073-language) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Unleash the power of 5G in your code: transform your apps](https://www.wearedevelopers.com/videos/1567-unleash-the-power-of-5g-in-your-code-transform-your-apps) - [Prototyping with Hardware and the Web](https://www.wearedevelopers.com/videos/651-prototyping-with-hardware-and-the-web) ## Related Articles - [The CAMARA Project: How Telcos Collaborating Improves Developer Experience](https://www.wearedevelopers.com/magazine/671-the-camara-project-how-telcos-collaborating-improves-developer-experience) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Developers are Building the Cities of the Future](https://www.wearedevelopers.com/magazine/536-developers-are-building-the-cities-of-the-future)