Jobs in the United States

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Added 5 mins ago
Senior Security GRC Engineer, AI & Automation
American Express Global Business Travel
Lansing, MI
Hands-on experience applying AI or machine learning technologies (including LLMs and generative AI) to real-world business or security use cases.
Added 5 mins ago
Network Operations Engineer
Meta
Lansing, MI
Meta is seeking a Network Operations Engineer to join our Edge and Network Services (ENS) Foundation NetOps team. In this role, you will utilize your knowledge in hyperscale data center…
Added 5 mins ago
Mechanical Engineer, Data Center Operations Engineering
Meta
Lansing, MI
Meta is seeking a Mechanical Engineer to join our Data Center Operations Engineering team. Our data centers are the foundation upon which our rapidly growing infrastructure efficiently…
Added 6 mins ago
Staff Software Engineer, AI Model Lifecycle
Crusoe
San Francisco, CA · Sunnyvale, CA
The Senior Staff Software Engineer for the AI Model Lifecycle team will play a crucial role in building a comprehensive managed platform for the entire application development lifecycle,…
Added 21 mins ago
Senior Security GRC Engineer, AI & Automation
American Express Global Business Travel
Boise, ID
Hands-on experience applying AI or machine learning technologies (including LLMs and generative AI) to real-world business or security use cases.
Added 21 mins ago
Mechanical Engineer, Data Center Operations Engineering
Meta
Boise, ID
Meta is seeking a Mechanical Engineer to join our Data Center Operations Engineering team. Our data centers are the foundation upon which our rapidly growing infrastructure efficiently…
Added 21 mins ago
Cyber Security AI Engineer 4
St. Luke's Health System
Boise, ID
The Cyber Security AI Engineer 4 serves as the organization’s senior technical authority for AI security, leading the strategy, architecture, governance, and technical standards necessary…
Added 21 mins ago
Network Operations Engineer
Meta
Boise, ID
Meta is seeking a Network Operations Engineer to join our Edge and Network Services (ENS) Foundation NetOps team. In this role, you will utilize your knowledge in hyperscale data center…
Added 22 mins ago
Lead AI and Data Science Engineer II
Deloitte
Boise, ID
Do you have a strong background in machine learning and deep learning? Are you interested in utilizing your data science skills and leading a small team in a fast-paced environment to…
Added 38 mins ago
J
Senior Machine Learning Engineer
Jobgether
Remote, United States
- $134,400 to $168,000 USD / year
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Machine Learning Engineer based in the United States.
Added 56 mins ago
TT
Founding Forward Deployed Engineer
True Talent Solutions Partners
New York, NY
- $180,000 to $250,000 USD / year
- Data science or machine learning experience, or academic grounding in statistics, mathematics, applied mathematics, computer science, or another quantitative field.
Added 1 hour ago
O
Strategic OCI & AI Infrastructure Lead
Oracle
Jefferson City, MO
- $102,300 to $209,500 USD / year
+ Familiarity with AI, machine learning, or high-performance computing workloads
Added 1 hour ago
O
Strategic OCI & AI Infrastructure Lead
Oracle
Jefferson City, MO
- $102,300 to $209,500 USD / year
+ Familiarity with AI, machine learning, or high-performance computing workloads
Added 1 hour ago
O
Strategic OCI & AI Infrastructure Lead
Oracle
Jefferson City, MO
- $102,300 to $209,500 USD / year
+ Familiarity with AI, machine learning, or high-performance computing workloads
Added 1 hour ago
O
Strategic OCI & AI Infrastructure Lead
Oracle
Jefferson City, MO
- $102,300 to $209,500 USD / year
+ Familiarity with AI, machine learning, or high-performance computing workloads
Added 1 hour ago
O
Strategic OCI & AI Infrastructure Lead
Oracle
Jefferson City, MO
- $102,300 to $209,500 USD / year
+ Familiarity with AI, machine learning, or high-performance computing workloads
Added 1 hour ago
O
Strategic OCI & AI Infrastructure Lead
Oracle
Jefferson City, MO
- $102,300 to $209,500 USD / year
+ Familiarity with AI, machine learning, or high-performance computing workloads
Added 1 hour ago
O
Strategic OCI & AI Infrastructure Lead
Oracle
Jefferson City, MO
- $102,300 to $209,500 USD / year
+ Familiarity with AI, machine learning, or high-performance computing workloads
Added 1 hour ago
Manufacturing Engineer 3 - 31037
Huntington Ingalls Industries
Pocasset, MA
Know & Grow Your People – Commit to learning and supporting team success.
Added 1 hour ago
Software Development Engineer, OneMHS
Amazon
Boston, MA
We are seeking an exceptional Software Development Engineer to build and scale edge machine learning compute, equipment monitoring, and computer vision capabilities across our global…
Added 1 hour ago
Senior Data Technology Consultant, Databricks Data & AI Practice
EPAM Systems
Boston, MA
Must have: Databricks certifications (e.g., Data Engineer Professional, Machine Learning Professional, or Generative AI Engineer) and experience with Databricks partner programs
Added 2 hours ago
Cloud Solution Engineer (Genomics & AI)
Oracle
Jefferson City, MO
The opportunity Oracle is seeking a senior pre-sales engineer with expertise in genomics, software engineering, and applied AI/ML. You will help molecular diagnostics companies, genomics…
Added 3 hours ago
Senior Software Engineer, Discover Feed Recommendations
Google
Mountain View, CA
3 years of experience with end-to-end Machine Learning (e.g., model deployment, model evaluation, data processing, debugging).
Added 3 hours ago
Research Engineer, Cybersecurity RL (Reinforcement Learning)
Anthropic
San Francisco, CA · New York City, NY
…comes with risks if not properly safeguarded. As a Research Engineer, you'll help to safely advance the capabilities of our models in incident response, security analysis, vulnerability…
Added 3 hours ago
M
Senior Technical Support Engineer
Microsoft
TX · NC · Irving, TX · Charlotte, NC · Irving · Charlotte
- $86,100 to $187,400 USD / year
…delivering customer success. As a Senior Technical Support Engineer, you will own, troubleshoot, and solve complex customer technical issues. This opportunity will allow you to accelerate…

SpaceXSI

Sr. Software Engineer, Ads Product

Palo Alto, CA, United States

$180,000 - $330,000 USD

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Job details

Pay: $180,000 - $330,000 USD
Experience: 5+ years of experience building software through internships, projects, research, open-source work, startups, or full-time roles
Posting language: English
Posted: Nov 6, 2026

Original job description

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars.

SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.

SR. SOFTWARE ENGINEER, ADS PRODUCT

X Ads is one of the highest-leverage product areas at X. You’ll work on systems that operate at massive scale, directly affect the business, and are being rebuilt with modern infrastructure and AI at the center. This is an opportunity to join a small, fast-moving team where early-career engineers can take on real ownership, learn from strong engineers, and ship products that matter.

We’re looking for high-slope software engineers who want to help rebuild and transform the X Ads Platform using SpaceXSI's infrastructure and AI stack. This role is a great fit for engineers who are early in their careers but learn quickly, ship fast, and want to work on products and systems that operate at massive scale. You do not need to have deep ads experience already, but you should be excited to learn how large-scale advertising systems work and how AI can make ads more relevant, useful, and effective.

You’ll work across product, backend systems, infrastructure, and AI-powered features that directly impact the majority of X’s revenue.

RESPONSIBILITIES:

Build and ship product features across the X Ads Platform
Work on systems related to ad delivery, targeting, optimization, measurement, and advertiser experience
Use SpaceXSI's infrastructure and AI capabilities to improve the performance and quality of advertising products
Contribute to distributed systems that need to be reliable, fast, and scalable
Collaborate closely with engineers, product leads, and cross-functional partners to turn ideas into working products
Learn quickly, take ownership, and operate in a fast-moving environment where high-quality execution matters
Debug, maintain, and improve production systems that serve real users and drive significant business impact

BASIC QUALIFICATIONS:

5+ years of experience building software through internships, projects, research, open-source work, startups, or full-time roles

PREFERRED SKILLS AND EXPERIENCE:

Strong software engineering fundamentals
Ability to write clean, maintainable code and learn new codebases quickly
Strong problem-solving skills and comfort working through ambiguity
Interest in backend systems, distributed systems, data pipelines, product engineering, or AI applications
A bias toward action: you like shipping, learning from real users, and improving quickly
Strong ownership mindset and willingness to take responsibility for meaningful parts of the product
Excitement about building high-quality product experiences for advertisers and users
Experience with ads, recommendations, search, ranking, marketplaces, payments, analytics, or growth systems
Experience working with large-scale backend systems or data processing pipelines
Experience with React, Golang, Python, Rust, gRPC, Java, or Scala
Experience with machine learning, LLMs, experimentation, ranking, or optimization systems
Prior startup, research, internship, or high-impact project experience
Experience with React, Golang, Python. Rust, gRPC, and/or Java/Scala
Strong fundamentals, learning speed, and ability to ship

COMPENSATION AND BENEFITS:

$180,000 - $330,000 USD

Base salary is just one part of our total rewards package at SpaceXSI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXSI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

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Skills

Google Ads
BASIC
Research
Problem solving
Process data
React
Go
Python
Rust
Oracle Java
Scala
Machine learning

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