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# AI Software Engineer II

Canonical URL: https://nextmove.md/fde/jobs/9249f14c5a558fbd

Relativity Space posts a mid-level FDE role to build for teams inside the company in Long Beach, CA, at $130,000–$196,000 base, above the mid-level FDE median of $149,000 across 106 postings with pay. AI Software Engineer II building production AI applications and agents for engineers and operators across Relativity Space. Read from the employer’s posting on November 8, 2026.

- [Relativity Space](https://nextmove.md/fde/companies/relativity-space)

Posted Aug 18, 2026 by Relativity Space · open on Greenhouse as of Nov 8, 2026

**$130,000–$196,000** + equity Long Beach, CA

AI Software Engineer II building production AI applications and agents for engineers and operators across Relativity Space.

- [See roles that fit me](https://nextmove.md/sign-up?from=%2Ffde%2Fjobs%2F9249f14c5a558fbd&placement=top)
- [View posting at Relativity Space](https://boards.greenhouse.io/relativity/jobs/8726264002?gh_jid=8726264002)

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## At a glance

### Posted base pay

$130K–$196K Above the median

Midpoint $163K · median $149K

This job $130K to $196K. Mid-level FDE postings, 106 postings: the middle 50% of posted pay is $123K to $162K, median $149K.

### The work

Builds for teams inside the company

Balance **Mostly building**

Project stages

1. Pre-sales (not covered)
2. Proof of concept (not covered)
3. Implementation
4. Operations

- **Coding**: Writes production code

- **Builds for**: Internal teams

- **Level**: Mid

- **Role**: Individual contributor

### What they ask for

Experience

- **3+ years** building, shipping, and iterating on applications and services

Background

- **Software engineering**

### Do you meet what the posting states?

The posting asks for 3+ years. How many do you have?

The posting reads as a mid-level role. What level are you at now?

The job is in Long Beach, CA. Could you work there?

Which of these have you used in production?

Answer each one. Nothing is saved or sent.

[What postings ask for, by background →](https://nextmove.md/fde/paths)

## Conditions

- **Location**: Long Beach, CA

- **Pay**:

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## The job description from Relativity Space

Posted by Relativity Space on Aug 18, 2026

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known.

Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you're not just executing tasks; you're solving problems that haven’t been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, shape decisions, and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us.

### About the Team

The Terrestrial Software team is building the foundation for an automated rocket factory and integrated launch platform. Their mission is to automate and streamline workflows across the entire lifecycle of Terran R, from raw material intake to launch operations and eventually manufacturing on Mars. Today, that means partnering directly with teams across design, materials, manufacturing, and test and launch to design, implement, and deploy end-user enterprise-wide applications, industrial automation, data analytics infrastructure, and next-generation AI to solve real problems and accelerate progress. Long term, the team is laying the groundwork for a modular, scalable software platform that can power highly autonomous operations on Earth and beyond. This is a team for builders and thinkers who thrive on cross-functional impact and want to shape the digital backbone of our future in space.

The AI, Data and Platform Engineering team leads Relativity's initiative to make AI a core part of how we design, build, and test rocket hardware. We build the applications, agents, data foundations, and platform that put AI in the hands of engineers and operators across the company. We are a small, high-ownership team that ships quickly, works directly with users, and treats reliability and evaluation as first-class parts of every AI product.

### About the Role

You will help build AI systems used by engineers and operators across the company, working across the full software development life cycle: concept, design, implementation, and ongoing iteration. Build AI-powered applications and agents on top of foundation models, and make them reliable in production. Follow agile development practices and ship quality software that is continuously integrated and deployed. Solve complex problems with simple solutions. Work directly with users and stakeholder teams to define requirements, implement solutions, and iterate. Technologies we use: Python, React, TypeScript, Go. Foundation models (Claude and others), agent and orchestration frameworks, retrieval and vector search, LLM evaluation tooling. Spark, Iceberg, DuckDB, Redshift, DBT, Postgres, Mongo. AWS, Kubernetes (cloud and on-prem), Terraform, Helm.

### About You

- Bachelor's degree or higher in Computer Science or a related engineering field (Computer, Software, Electrical, Aerospace)
- 3 to 5 years of experience building, shipping, and iterating on applications and services
- Practical experience building AI features with large language models, such as agents, retrieval-augmented generation, tool use, or evaluation, and shipping them to real users
- Hands-on experience building with large language models, whether through coursework, projects, or self-directed work
- Experience designing in collaboration with non-software stakeholders
- Proficient in the languages and tools you love most, and willing to learn new ones

### Nice to haves but not required

- Experience designing and scaling AI or service architectures that support high-performance, user-facing applications
- Experience building evaluation and observability systems that keep AI reliable in production
- Background in data engineering, applied machine learning, or building and maintaining knowledge bases and ontologies
- Experience turning research into working prototypes and reading current AI literature to inform design choices
- Experience developing, debugging, and shipping software products on large code bases that span platforms and tools
- Exposure to manufacturing, hardware, robotics, or other physical-world domains

At Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related factors.

Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more! To see some of the benefits & perks we offer, please visit here.

Hiring Range:

$130,000—$196,000 USD

**We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.**

* **If you need a reasonable accommodation, please contact us at accommodations@relativityspace.com.***

* **Please note: Relativity Space does not accept unsolicited resumes, candidate profiles, or referrals from recruitment agencies or search firms. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.***

[View posting at Relativity Space](https://boards.greenhouse.io/relativity/jobs/8726264002?gh_jid=8726264002)

## About Relativity Space

3D-printed, reusable medium-to-heavy-lift launch vehicle serving commercial satellite, government, and deep-space science customers at scale.

Late-stage private · 1000–2000 people

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