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# Senior Software Engineer, Backend

- **Company:** Vast, Inc
- **Location:** Long Beach, CA, United States
- **Experience:** Expert
- **Salary:** $159,000 - $226,000
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), C++ (Programming Language), Command-Line Interface, Software Quality, Data Security, DevOps, Distributed Systems, Identity and Access Management, Python (Programming Language), Network Security, Linux System Administration, Software Architecture, Systems Development Life Cycle, Server Administration, Software Engineering, SSL Certificate Management, Scripting, Cloud Platform System, Software Security, Backend, Kubernetes, Information Technology, Build Tools, Api Design, Docker, Programming Languages, Microservices
- **Published:** November 4, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-backend-long-beach-ca--4a9044e3-1d93-4fc9-918b-00d303b1a71f

## About the Role

Software Engineering, Government, Product Demonstration, Manufacturing, Space Operations, Software Engineering, Software Administration, Scalable System Development, Application Programming Interface (API), Cross-Functional, * Bachelor's degree in Computer Science, Engineering, or related field.

 * 6+ years of backend software engineering experience, with exposure to security-focused systems (e.g., IAM, API security, certificate management).
 * Strong experience building and operating backend services in cloud environments.
 * Proficiency in at least one modern programming language (Python, Go, Rust, C++, etc.).
 * Solid understanding of distributed systems, API design, and backend architecture.
 * Experience working in Linux environments, including command line and scripting.

Preferred Skills & Experience:

 * Experience solving ambiguous, complex backend problems in fast-paced environments.
 * Familiarity with DevOps practices and tools (Docker, Kubernetes).
 * Experience designing and scaling APIs and microservices.
 * Background in one or more security domains (e.g., cryptography, network security, infrastructure security).
 * Strong communication skills and ability to collaborate across teams.
 * Ownership mindset with a bias toward action and continuous improvement.

Additional Requirements:

 * Ability to travel up to 10% of the time.
 * Willingness to work overtime, or weekends to support critical mission milestones.
 * Ability to lift up to 25lbs unassisted.
 * Specific certifications, as appropriate.

## Description

* Design, build, and maintain scalable backend services, tools, and pipelines supporting mission-critical security systems.
 * Collaborate with cross-functional engineering teams to design and implement secure, high-performance services and APIs.
 * Develop and maintain backend infrastructure for authentication, authorization, and secure data handling.
 * Establish and promote best practices for backend architecture, security, and code quality at scale.
 * Build systems that are reliable, observable, and capable of supporting a rapidly growing codebase and engineering team.