Backend Software Engineer

Senior • On-site

120,000 - 249,996 USD/yr

Los Angeles, CA

Hadrian is building autonomous factories that help aerospace and defense companies manufacture rockets, satellites, jets, and ships faster and more cost-effectively by combining advanced software, robotics, and full-stack manufacturing. The company is expanding with a new 290,000-square-foot facility and scaling its FactoryOS, automation products, and robotic systems.

The Role

Candidates may work across multiple internal products and teams:

Flow: FactoryOS platform that models, manages, and automates a complex network of factories.
Copilot: Manufacturing automation products that accelerate quoting, CAM programming, and CMM programming.
Factory Automation: Robotic cells and the software that controls them.

The role focuses on redefining manufacturing software, from distributed systems to automation infrastructure, across a broad set of backend services and applications.

What You’ll Do

Scope, architect, implement, and deploy critical backend services across multiple product verticals.
Design and maintain reliable, scalable, and high-performance APIs and systems in a complex production environment.
Engage in product discovery with manufacturing and software experts to define and improve systems.
Collaborate closely with engineers and operators.

What We’re Looking For

Expertise in modern backend technologies with deep understanding of distributed systems, service architecture, data modeling, and scalable infrastructure design.
Strong ability to write high-quality, maintainable code.
Experience designing and implementing APIs (REST and gRPC).
Experience developing, deploying, and maintaining backend and full-stack applications using modern cloud or containerized stacks.
Ability to work in a fast-paced environment with quick iteration cycles.

What Will Set You Apart

Experience with Go, Python, C#, or C++.
Background in high-performance, reliable, or real-time systems.
Familiarity with CAD/CAM software, robotics, automation, manufacturing systems, or 3D environments.
Experience implementing and scaling production systems in complex environments.

Compensation

Target salary range: $120,000 - $250,000, depending on experience and qualifications.

Benefits for Full-time Employees

Medical, dental, vision, and life insurance
401k
Relocation support (in certain situations)
Flexible vacation policy

ITAR Requirements

Must comply with U.S. Government space technology export regulations, including ITAR. Candidates must be a U.S. citizen, lawful permanent resident, protected individual, or eligible to obtain required authorization.

Equal Opportunity

The company provides equal employment opportunity and makes reasonable accommodations for qualified candidates and employees.

Hadrian

Hadrian is an advanced manufacturing and technology company operating in the aerospace and defense industry. Its mission is to reindustrialize American manufacturing by building autonomous, software-driven factories that produce critical components—such as those used in rockets, satellites, jets, and ships—up to 10 times faster and at significantly lower cost. By integrating robotics, advanced software, and full-stack manufacturing systems, Hadrian is reinventing how complex hardware is produced in the United States. The company is rapidly expanding, including the launch of large-scale facilities like its 290,000-square-foot Factory 3 in Mesa, Arizona, and the creation of new ventures such as Hadrian Maritime and a Factory-as-a-Service model. Backed by prominent investors including T. Rowe Price, Lux Capital, Founders Fund, and Andreessen Horowitz, Hadrian is a fast-growing organization focused on innovation, operational excellence, and strengthening America’s industrial base for the 21st century and beyond.

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