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# Software Engineer, API & Data Modeling

- **Company:** AALYRIA TECHNOLOGIES, INC.
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), C++ (Programming Language), Software Debugging, Software Engineering, Value Engineering, Rust (Programming Language), Core Data, Information Technology, Golang
- **Published:** October 26, 2026
- **Apply:** https://www.careerbuilder.com/job-details/software-engineer-api-data-modeling--d3ead218-2c03-4e6c-bde6-ff5f15a7dad4

## About the Role

Software Engineering, Application Programming Interface (API), Data Modeling, Software Engineering, Value Engineering, Data Modeling, Application Programming Interface (API), System Operations, Testing, Project/Program Management, We are seeking an experienced Software Engineer to join our core Spacetime engineering team, working on the data models and APIs that sit at the foundation of how we represent and evolve complex communications networks. We value engineers who are adaptable, proactive, and eager to tackle new challenges as we advance our technology. The ideal candidate brings strong software engineering fundamentals and a track record of designing durable, production-grade interfaces. As a Software Engineer on Spacetime, you'll play a central role in shaping the core models and APIs that every other team builds on, with the flexibility to take ownership of new projects as both you and the company grow., * Bachelor's degree in Computer Science or a related technical field.

 * 5+ years experience designing and developing production software systems.
 * Strong software engineering fundamentals, including system design, testing, and debugging.
 * Experience designing durable APIs, schemas, or domain models.
 * Experience evolving production interfaces while maintaining compatibility.
 * Proficiency in Golang, C/C++, Rust, or Java, * Experience modeling a variety of physical layer (RF, optical) communications systems
 * Experience with production transport network design and operations.
 * Familiarity with networking, telecommunications, or network orchestration., * U.S. citizen or national
 * U.S. lawful permanent resident (green card holder)
 * Refugee under 8 U.S.C. 1157
 * Asylee under 8 U.S.C. 1158

(B) Be eligible to access export-controlled information without requiring an export authorization.

(C) Be eligible and reasonably likely to obtain the necessary export authorization from the appropriate U.S. government agency.

## Description

* Design and evolve core data models for complex communications networks.
 * Design, build, and operate the APIs through which users and systems interact with Spacetime.
 * Develop durable abstractions for heterogeneous physical and logical networks.
 * Maintain the quality, compatibility, consistency, and performance of core product models and interfaces.