Software Engineer II, Enterprise Applications

Vast is developing next-generation

space stations and space infrastructure

using an incremental, hardware-rich, and low-cost approach. Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Haven Demo’s 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world’s first commercial space station when it launches in 2027, followed by additional Haven modules. Additionally, the company recently announced

Vast Satellite

, a high-power satellite product line leveraging its space station components and the heritage of Haven Demo.

Headquartered in

Long Beach, California

, and with more than 1,000 employees and over a billion dollars in private capital, Vast has built the facilities required to manufacture and operate America’s next space station. The company plans to develop future habitats and systems for the Moon and Mars, dedicated space stations for government partners, and other crewed systems that will unlock the expanding long-term space economy. Vast is looking for a

Software Engineer II, Enterprise Applications,

reporting to the

Senior Manager, Enterprise Applications

, to support the development of the systems that will be required for the design and build of artificial-gravity human-rated space stations. 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. This will be a

full-time, exempt

position located in our

Long Beach

location. Responsibilities: Work with the team to design, develop, test, and maintain web applications using modern frontend technologies and application servers that consume APIs and microservices in a heterogeneous environment Contribute to the design and implementation of backend services, including data modeling, APIs, and supporting pipelines Build, ship, and support features and applications, participating in the full software development lifecycle from design through production Collaborate with engineers and cross-functional partners to understand requirements and translate them into scalable technical solutions Contribute to the improvement of existing tooling and support the development of new applications as the company grows Write clean, maintainable, and well-tested code while following established software engineering practices and patterns Participate in code reviews and technical discussions, incorporating feedback and contributing to team knowledge sharing Help identify and resolve software defects, performance issues, and production incidents Learn and apply software practices and patterns that support a scalable and growing codebase and engineering organization Minimum Qualifications: Bachelor’s degree in computer science, math, an engineering discipline, or equivalent work experience 3+ years of software development or relevant industry experience Experience designing, building, shipping, and supporting software applications or features in a production environment Experience contributing to full-stack applications, including frontend and/or backend development Familiarity with software development best practices, including testing, version control, code review, and debugging Preferred Skills & Experience: Experience working on complex or evolving technical problems Experience working with one or more programming languages and a willingness to learn additional technologies as needed Experience with API development or API consumption Experience with relational databases and data modeling Experience with one or more of the following platforms and frameworks:

React, Vue, or similar GraphQL Node.js OAuth Terraform FastAPI PostgreSQL, MySQL, or SQL Server

Experience working in an environment that uses distributed systems, APIs, or microservices Strong problem-solving skills and the ability to collaborate effectively in a fast-paced, growing environment Pay Range: California $135,000—$192,500 USD We calibrate level and compensation to the selected candidate's experience and demonstrated capability. We welcome applicants across a range of experience levels to apply. COMPENSATION AND BENEFITS

Base salary will vary depending on job-related knowledge, education, skills, experience, business needs, and market demand. Salary is just one component of our comprehensive compensation package. Full-time employees also receive company equity, as well as access to a full suite of compelling benefits and perks, including: medical, dental, and vision coverage for employees and dependents, generous paid time off; up to 20+ days of vacation for exempt staff and up to 10+ days of vacation for non-exempt staff with the ability to cash-out unused vacation annually, paid parental leave, short and long-term disability insurance, life insurance, access to a 401(k) retirement plan, ClassPass credits, personalized mental healthcare through Spring Health, and other discounts and perks. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.

U.S. EXPORT CONTROL COMPLIANCE STATUS The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. This status includes U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending. EQUAL OPPORTUNITY Vast is an Equal Opportunity Employer; employment with Vast is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.