Jobs in the United States

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Added 1 min ago
Quality Engineer II
STERIS Corporation
Eden Prairie, MN
The Quality Engineer II in our Eden Prairie, MN location is responsible for maintaining and improving the quality system in accordance with the requirements of, as appropriate, the…
Added 2 mins ago
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Civil Engineer - Land Development
GPAC
Dallas, TX
- $70,000 to $100,000 USD / year
We're hiring a Civil Engineer with a land development background to join a growing site/civil team in the Dallas area. You'll work on residential, commercial, and mixed-use site projects…
Added 2 mins ago
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Civil Engineer - Land Development
GPAC
Chicago, IL
- $70,000 to $100,000 USD / year
We're hiring a Civil Engineer with a land development background to join a growing site/civil team in the Chicago area. You'll work on residential, commercial, and mixed-use site projects…
Added 2 mins ago
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Civil Engineer - Land Development
GPAC
Los Angeles, CA
- $70,000 to $100,000 USD / year
Civil Engineer - Land Development (Los Angeles)
Added 2 mins ago
Senior Backend Software Engineer
Flexcompute Inc.
Madison, WI
We are looking for a Senior Backend Software Engineer to join our team in Madison, Wisconsin, and help us design and implement scalable solutions that meet the growing demands of our…
Added 2 mins ago
Software Engineer, Analytics Platform
Gridmatic Inc
Cupertino, CA
…retail customers. We’re looking for a startup-minded software engineer who’s great with data: you'll build the data systems our business runs on, designing core data models for trades and…
Added 3 mins ago
MA
Principal Corporate Technology Engineer
Microsoft AI
NY · Mountain View, CA · Redmond, WA
- $142,800 to $304,200 USD / year
Engineer identity and access capabilities using Entra and connected systems. Improve authentication, authorization, conditional access, enterprise applications, application identities,…
Added 3 mins ago
Building Engineer
US AMR-Jones Lang LaSalle Americas, Inc.
Manassas, VA · Alexandria, VA · Arlington, VA · Washington, DC
As an Operating/Building Engineer, you'll play a critical role in keeping our facilities running at peak performance during overnight hours. This position centers on operating, maintaining,…
Added 4 mins ago
Launch Readiness and Rehearsal Support_TS/SCI w/ poly
General Dynamics Information Technology
Cape Canaveral, FL
Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer must have:
Added 4 mins ago
Flight Simulation Software Engineer (Associate, Experienced, and Senior)
The Boeing Company
Daytona Beach, FL
The Boeing Company is looking for a Flight Simulation Software Engineer ( Associate , Experienced, and Senior) to join the Flight Simulation I Labs team located in Dayton Beach, FL. This…
Added 4 mins ago
Specialist, System Analysis
L3Harris
West Palm Beach, FL
The Defense Systems Analysis Department WPB is seeking an experienced engineer for a full time position to support programs at the West Palm Beach, FL campus. This engineer would report to…
Added 4 mins ago
Intern - Marketing Operations
Acxiom
Tallahassee, FL
…expose you to cutting-edge technologies, whether you’re an engineer, developer, products guru, systems and security expert, sales and consulting executive, or an intern looking to gain real…
Added 4 mins ago
Software Engineer Fellow
NCR VOYIX
Tallahassee, FL
…evaluate new technologies and methodologies to improve existing systems and processes. • Contribute to technical documentation, including design specifications, API documentation, and user…
Added 4 mins ago
Senior Software Engineer (Institutional, Financing)
Coinbase
Tallahassee, FL
As a Senior Software Engineer on the Financing Engineering team within the Institutional group, you'll design, build, and scale the systems that safely manage billions of dollars in loans…
Added 4 mins ago
Distinguished Engineer, AI Security Systems (Remote)
CrowdStrike
Tallahassee, FL
We are seeking a Distinguished Engineer who has built AI and security systems that operate in the real world and stop real adversaries.
Added 4 mins ago
MCPP Philippines: Engineer Heavy Equipment Mechanic
Trinzic
Jacksonville, FL
Perform the installation, operation, maintenance, and repair of HE equipment and systems, in support of the Marine Corps Prepositioning Program – Philippines (MCPP-PHIL). The MCPP-PHIL…
Added 4 mins ago
Integrated Product Team Lead
L3Harris
Orlando, FL
L3Harris Technologies is seeking a Senior Program Engineer at our Orlando, FL location. Coleman Aerospace is a prime tactical and strategic missile target system provider supporting…
Added 4 mins ago
Delivery Lead
EPAM Systems
Orlando, FL
Added 5 mins ago
SUPERVISORY ELECTRONICS ENGINEER
Naval Air Systems Command
Jacksonville, FL
Added 5 mins ago
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Staff AI & Data Engineer – Databricks
Eliassen Group
Tallahassee, FL
- $80 to $90 USD / hour
Our client is seeking a highly experienced Staff AI & Data Engineer to design and build enterprise-grade data and AI solutions on Databricks. This hands-on role focuses on strengthening the…
Added 5 mins ago
EG
Senior Infrastructure Engineer
Eliassen Group
Orlando, FL
- $84 to $86 USD / hour
Our client seeks a Senior Infrastructure Engineer to support and evolve cloud infrastructure powering analytics platforms, optimization engines, and machine learning workloads. The role…
Added 5 mins ago
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Cybersecurity Systems Engineer II
Lyntris
San Diego, CA
- $115,000 to $145,000 USD / year
…engineered for the conditions that degrade or defeat standard systems, and built on an open, modular architecture that integrates into existing programs without requiring them to start…
Added 6 mins ago
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Building Engineer
Aerotek
BELLEVUE, WA
- $90,000 to $93,600 USD / year
…well-established property management team as a Building Maintenance Engineer supporting commercial properties in Bellevue. This hands-on role is ideal for someone with experience in HVAC,…
Added 7 mins ago
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Security Operations Center Operator - Weekends
VITALANT
United States
- $23 to $25 USD / hour
…operational support for Vitalant’s enterprise-wide physical security systems. You’ll monitor alerts, alarms, access control activity, and live video feeds while supporting the reliability…
Added 9 mins ago
Senior Flight Test Engineer - Space Systems
Anduril Industries
Costa Mesa, CA
We are seeking a highly motivated and experienced Flight Test Engineer with a focus on developmental testing of a full range of Sub-sonic to Hypersonic systems. You will collaborate closely…

Roblox

Senior Software Engineer- User Behavior

San Mateo, CA, United States

$196,750 - $243,290 USD

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Job details

Pay: $196,750 - $243,290 USD
Experience: 5+ years of experience building and operating production backend systems at scale, ideally in Go or a comparable statically-typed backend language.
Posting language: English
Posted: Nov 5, 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.

Why User Behavior?

You will build the backend systems that fundamentally shift how Roblox responds to unsafe behavior - from reactive, stateless punishment to a personalized, adaptive system that reflects who a user actually is.

You will own core backend infrastructure for a new capability at Roblox: a low-latency behavioral data layer, a centralized rules-and-inference engine, and a unified intervention-delivery framework that together let us treat users based on their real risk profile instead of a single point total. This is a rare opportunity to build foundational, high-scale systems that directly shape how Roblox understands and responds to risk across hundreds of millions of users.

You will feel a deep sense of responsibility building systems that directly affect millions of users, especially minors, on one of the world's largest platforms. Your work will reduce harm, improve fairness, and help ensure Roblox remains a place where creativity and community can thrive safely.

You will:

Build the User Behavior Foundation: Design and operate the low-latency, per-user behavioral data layer that powers real-time safety decisions - aggregating signals like violation history, in-game reports, and behavioral patterns into a single queryable source of truth.
Own the Consequence Engine: Build and evolve the centralized decision engine that combines deterministic rules with ML risk signals into a single, consistent safety decision the authoritative system every consequence flows through.
Own the Feature Restriction Platform: Build a unified, backend-driven framework for delivering safety interventions that any product team can plug into, replacing today's fragmented, feature-specific implementations.
Unify Abuse Reporting: Build the backend that consolidates reporting channels into a single, scalable framework - integrating LLM-based classification, agentic review workflows, and ML models to improve report routing, prioritization, and reporter feedback while meeting global regulatory requirements.
Design for trust and auditability: Build serving infrastructure that meets a high bar for explainability and fairness, since these systems directly determine consequences for millions of users.
Ship code, not just designs: Own end-to-end delivery - from system design through migration, testing, and production operation.

You have:

5+ years of experience building and operating production backend systems at scale, ideally in Go or a comparable statically-typed backend language.
Strong experience designing distributed systems: service APIs (RPC/gRPC), data modeling for high-throughput event ingestion, caching, and low-latency read paths.
Experience building and evolving rules engines, workflow/decision systems, or similarly stateful business-logic services.
Experience with streaming or batch data pipelines feeding a feature store or similar ingestion layer, and comfort partnering with ML engineers who consume that data.
Solid production operations fundamentals: monitoring, alerting, oncall, capacity planning, and incident response for systems with real user-facing impact.
Nice to have: experience in Trust & Safety, fraud, risk, or other adversarial domains; experience with feature stores or ML-serving infrastructure; experience building frontend-agnostic, backend-driven UI frameworks (e.g. server-driven intervention/notification rendering).

You are:

A Systems Thinker: capable of designing infrastructure that other teams (ML, feature teams, policy) build on top of, not just point solutions.
A Pragmatic Builder: scrappy and impact-oriented, comfortable turning scattered, undocumented signals and legacy code paths into clean, well-owned services.
Comfortable with Ambiguity: this space is actively being redefined - you'll help set the standard, not just implement one handed to you.
A Reliability-Minded Engineer: you treat testing, migrations, and oncall as first-class parts of the job, not afterthoughts.
Committed to Ethical, Responsible Engineering: dedicated to building systems that are fair, auditable, and operate with the utmost responsibility toward user safety.

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

$196,750 - $243,290 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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