Backend Software Engineer (Mid-Level)

Xona is the navigational intelligence company bringing real-time, centimeter-level certainty to any device, anywhere on Earth. With Pulsar – the world’s most advanced PNT satellite infrastructure in Low Earth Orbit – Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection. We're seeking a Backend Software Engineer to design and implement scalable backend services and APIs (REST and gRPC) that power user-facing portals and device management dashboards. What You’ll Do Build and maintain device management systems for provisioning, tracking, commanding, and monitoring remote user devices and payload assets. Develop internal operations software and automated workflows, including real-time telemetry visualization and health monitoring. Deploy, operate, and scale cloud-native microservices in AWS using Kubernetes, ensuring reliable integration between web-based user portals and backend data stores. Implement hybrid software solutions using Python for rapid API and cloud-service development, and C++ for high-performance data processing and interface layers. Collaborate cross-functionally with product, frontend, and operations teams to deliver reliable, secure, and maintainable systems. Required Qualifications 3–5 years of professional software engineering experience. Strong proficiency in Python (e.g., FastAPI, Flask, or Django) and C++. Experience designing and building backend services and production APIs. Hands-on experience with AWS services such as Lambda, EKS, DynamoDB, and RDS. Solid understanding of Kubernetes and containerized microservice architectures. Experience working with both SQL and NoSQL databases. Strong problem-solving skills and the ability to work effectively in a fast-paced environment. Desired Qualifications Experience building device management, IoT, or distributed systems handling device state, configuration, and firmware updates. Familiarity with Infrastructure as Code (IaC) tools such as Terraform or AWS CDK. Frontend familiarity (React or Vue.js) to support effective collaboration on user portal integration. Knowledge of Identity and Access Management (IAM) and authentication platforms such as Auth0 or Amazon Cognito. Experience with observability, monitoring, and container security tools (e.g., Prometheus, Grafana). For U.S. Roles: To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States (i.e. Green Card holder), or other protected individual as defined by 8 U.S.C. 1324b(a)(3). For U.K. Roles: To comply with U.K. regulations, this role requires Baseline Personnel Security Standard (BPSS) checks, and successful candidates must be eligible to obtain UK Security Clearance (SC). For Canada Roles: Successful candidates must obtain and hold a security clearance at the reliability status level, and pass security assessment for the Canadian Controlled Goods Program (CGP) and ITAR. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

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