> Markdown version of [/jobs/ext/3960368-senior-software-engineer-mission-software](https://www.wearedevelopers.com/jobs/ext/3960368-senior-software-engineer-mission-software). 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). --- # Senior Software Engineer, Mission Software - **Company:** Vast, Inc - **Location:** Long Beach, CA, United States - **Experience:** Expert - **Salary:** $160,000.0 - $227,000.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Application Programming Interfaces (APIs), Server Applications, Databases, Computer Engineering, PostgreSQL, Microsoft SQL Server, MySQL, Node.Js, OAuth, Next.js, Server Administration, Software Engineering, Web Applications, ReactJS, Vue.js, Kubernetes, Information Technology, Graphql, Api Design, Terraform, Docker, Programming Languages, Microservices - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-mission-software-long-beach-ca--1c403176-4dfa-41f5-b1fe-53510d889aa9 ## About the Role Software Engineering, Government, Product Demonstration, Manufacturing, Space Operations, Software Engineering, Software Administration, Mentoring, Aerospace Engineering, Application Programming Interface (API), * Bachelor's degree in computer science, math, or other engineering discipline * 6+ years of software development or relevant industry experience * Experience building, shipping, and supporting complex, data-intensive full-stack software applications Preferred Skills & Experience: * Experience working on ambiguous problems * Production DevOps experience (Docker and K8s preferred) * Experience working with multiple programming languages * Experience working with time series data and databases * Experience with CAD software and the hardware engineering processes * Experience with API design * Experience with one or more of the following platforms and frameworks * React, Vue or similar * NextJS * GraphQL * Nodejs * OAuth * Terraform * PostgreSQL, MySQL, or SQL Server ## Description Vast is looking for Senior Software Engineer, Mission Software, reporting to Senior Manager, Mission Software, to support the development of the systems that will be required for the design and build of artificial-gravity human-rated space stations. This will be a full-time, exempt position located in our Long Beach location. As a software engineer on our growing team, you'll have an opportunity to learn and grow under the mentorship of seasoned engineers from aerospace and big tech, building powerful software that helps expand humanity into space. Responsibilities: * Work with team to design and implement web applications using modern frontends and application servers, that consume apis and micro-services in a heterogeneous environment * Work with team to design and implement backends including data modeling, apis, and supporting pipelines * Rapidly iterate on tooling and design new applications as the company grows * Influence and adopt software practices and patterns that will scale to what will eventually become a very large codebase and team