Jobs in the United States

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Added 26 mins ago
UA
Interdisciplinary(BiologistGenEngrPhyScientistOpsResearchAnalystDataScientist)
U.S. Army Intelligence and Security Command
Charlottesville, VA
- $148,275 to $192,764 USD / year
…resources for scientific and technical intelligence (S and TI) production. | Leads a branch that assesses technology trends, underlying technologies, and characteristics and performance of…
Added 26 mins ago
SS
AF&F ENGINEERING/PROGRAM MANAGEMENT
STRATEGIC SYSTEMS PROGRAMS (SSP)
Washington Navy Yard, DC
- $143,913 to $197,200 USD / year
…requirement and specification creation, design and development, production support, assembly and integration support, and verification and qualification. | You will be responsible for…
Added 27 mins ago
SRAM Design Lead
Micron Technology, Inc.
Boise, ID · Albany, NY
Micron is seeking an experienced SRAM Design Engineer to develop high-performance, low-power embedded memory IP and testchip content. This is for advanced semiconductor technologies. The…
Added 29 mins ago
NA
GENERAL ENGINEER
Naval Air Systems Command
Patuxent River, MD
- $143,913 to $197,200 USD / year
You will serve as the lead engineer overseeing design, development, production, modification, and sustainment of the E-130J Air Vehicle, including the C-130J-30s procured and provided as…
Added 41 mins ago
UA
Civil Engineer
U.S. Army Corps of Engineers
Decorah, IA · Sacramento, CA · Fort Carson, CO · Huntington, WV · El Monte, CA · Corona, CA · Los Angeles, CA · San Francisco, CA · Moffett Field, CA · Buckley AFB, CO · Lakewood, CO · Seattle, WA · Rock Island, IL · Louisville, KY · Sausalito, CA · Little Rock, AR · Lake Isabella, CA · Colorado Springs, CO · Portland, OR · Nashville, TN · Marquette, MI · Cincinnati, OH · Kansas City, MO · Tulsa, OK · Omaha, NE · Fort Worth, TX · Galveston, TX
- $125,776 to $163,514 USD / year
About the Position: This is a Civil Engineer GS-0810-14 position for the U.S. Army Corps of Engineers (USACE) Southwestern Division, Tulsa District, Dam Saftey Production Center, Tulsa,…
Added 51 mins ago
Resident I&C Engineer
Bechtel Corporation
Clay, NY
Coordinates with the designer of record and provides field support during construction.
Added 54 mins ago
Principal Software Engineer - Ai
ServiceNow
Santa Clara, CA
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…
Added 54 mins ago
Deployment Engineer
Capgemini
New York, NY
We are seeking a skilled Deployment Engineer to manage, automate, and optimize application deployments across development, testing, staging, and production environments. The ideal candidate…
Added 55 mins ago
Principal Machine Learning Engineer
CVS Health
New York, NY
As the most senior engineer on the team, you will set technical direction for how machine learning is designed, built, tested, deployed, and operated at scale. You will architect the…
Added 55 mins ago
Backend Software Engineer Defense
Palantir Technologies
NEW YORK, NY
…product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers'…
Added 1 hour ago
NS
ENGINEER
Naval Sea Systems Command
Naval Business Center, Philadelphia, PA · Naval Base, Norfolk, VA
- $127,646 to $197,200 USD / year
Demonstrating expert knowledge and application of submarine safety (SUBSAFE) instructions, procedures, processes, production, and quality programs in accordance with the NAVSEA Submarine…
Added 1 hour ago
Electrical Engineer
ITAC
Wilmington, NC
We are seeking an Electrical Engineer to provide electrical discipline support in the construction, installation, debug, and startup of equipment and automated systems including hands-on to…
Added 1 hour ago
NA
GENERAL ENGINEER
National Air and Space Intelligence Center
Wright-Patterson AFB, OH
- $132,751 to $172,578 USD / year
…Surveillance & Reconnaissance (C4ISR) intelligence analysis and production of information obtained and processed from one or more intelligence…
Added 1 hour ago
NA
INTERDISCIPLINARY ENGINEER
Naval Air Systems Command
Cherry Point, NC
- $89,508 to $116,362 USD / year
You will serve as a journeyman engineer in the Advanced Technology and Innovation (ATI) Division of the MRO Engineering Department for additive manufacturing (AM) initiatives. | You will…
Added 1 hour ago
Civil/Structural Cost Estimator
ProSidian Consulting, LLC
Brookhaven, NY
…Services] [P1BSA011] is aligned with GSA Labor Category: Civil Engineer. This role shall be principally focused on 541330 - Engineering Services Program Support for Electron-Ion Collider…
Added 1 hour ago
AN
AIRCRAFT MECHANIC - TITLE 32
Army National Guard Units
Hunter AFB, GA
- $35 to $40 USD / hour
…and is part of the Georgia Army National Guard, Army Aviation Support Facility #3, Hunter AFB,…
Added 1 hour ago
Software Engineer AFRL
Whitespace
Remote, United States
Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in back-end development tools and technologies
Added 1 hour ago
Software Engineer AFRL
Whitespace
Remote, United States
Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in back-end development tools and technologies
Added 1 hour ago
Software Engineer AFRL
Whitespace
Remote, United States
Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in back-end development tools and technologies
Added 1 hour ago
Software Engineer Dev
Whitespace
Remote, United States
GeoDelphi, Inc. dba Whitespace is seeking a dynamic and innovative Software Engineer to build cutting-edge solutions within our Iris platform. You’ll be essential to the digital offering…
Added 1 hour ago
Software Engineer Dev
Whitespace
Remote, United States
GeoDelphi, Inc. dba Whitespace is seeking a dynamic and innovative Software Engineer to build cutting-edge solutions within our Iris platform. You’ll be essential to the digital offering…
Added 1 hour ago
Software Engineer Dev
Whitespace
Remote, United States
GeoDelphi, Inc. dba Whitespace is seeking a dynamic and innovative Software Engineer to build cutting-edge solutions within our Iris platform. You’ll be essential to the digital offering…
Added 1 hour ago
Software Engineer Dev
Whitespace
Remote, United States
GeoDelphi, Inc. dba Whitespace is seeking a dynamic and innovative Software Engineer to build cutting-edge solutions within our Iris platform. You’ll be essential to the digital offering…
Added 1 hour ago
Senior Software Engineer - Front End Developer
RTX
United States
Applied Signal Technology (AST) is seeking a Senior Software Engineer with specialization in front-end development who strives for excellence and has passion to be part of a team that…
Added 2 hours ago
Data Engineer I
First Citizens Bank
Raleigh, NC · UNAVAILABLE, NC
The ideal candidate is a hands-on data engineer with experience in cloud-based data platforms, data warehousing, ETL/ELT development, and modern data engineering practices. This individual…

Roblox

Principal Software Engineer, Build Platform

San Mateo, CA, United States

$345,040 - $399,420 USD

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Job details

Pay: $345,040 - $399,420 USD
Experience: 8+ years of experience building and operating large-scale distributed systems, including technical leadership across multiple teams.
Posting language: English
Posted: Nov 4, 2026

Original job description

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.

A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

As a Principal Software Engineer on the Build Platform team, you will set the technical direction for the infrastructure behind AI-powered creation on Roblox. Build lets anyone make a game by describing it, on mobile and in Studio. Our team owns the platform underneath: the cloud-hosted agent harness, tools and skills, and evaluation framework. You'll be the senior technical leader shaping its architecture.

This role spans the full agent stack: orchestrating long-running, multi-step workflows; model integration and routing across providers; tool and skill execution; sandboxed game environments; evals at scale; and the reliability, safety, and cost systems that let us grow to millions of creators.

You Have:

8+ years of experience building and operating large-scale distributed systems, including technical leadership across multiple teams.
Deep experience designing backend platforms used by other engineering teams.
Hands-on experience with production AI/ML systems, such as model serving, orchestration, LLM integration, or agentic execution loops (planning, tool use, recovery, long-running workflows).
A strong understanding of tool and skill design and structured evaluation for AI systems.
The judgment to weigh tradeoffs and make pragmatic calls under ambiguity.
A BS in Computer Science or a related field, or equivalent professional experience.

You Are:

Excited to define how AI agents create at scale, and to stay hands-on while doing it.
A clear communicator who can explain complex technical direction to engineers, product, and leadership.
Experienced with workflow engines (e.g., Temporal), multi-provider model routing, or AI cost management (bonus).

You Will:

Own the technical architecture and long-term roadmap for the Build agent platform.
Design for reliability, safety, observability, and cost efficiency in production AI workloads, including usage metering and model-routing strategy.
Define how we measure agent quality and build the evaluation infrastructure that drives model, prompt, and skill decisions.
Partner with Build product teams, ML infrastructure, and Safety to ship new capabilities quickly and safely.
Raise the engineering bar through design reviews, mentorship, and hands-on technical leadership.

For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page.

Annual Salary Range

$345,040 - $399,420 USD

Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).

Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process.

For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

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More about this job

Skills

Leadership
ML
Computer science
Workflow
Cost management

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