Jobs in San Mateo, United States
144 live roles in San Mateo, updated daily. Apply directly on Haystack.
Last updated 14 August 2026. Job counts refresh daily.
As of 14 August 2026, Haystack lists 144 live jobs in San Mateo, with 140 added in the past week and typical advertised salaries of $220k to $320k. Employers hiring right now include Roblox, Sony Interactive Entertainment (SIE) and Guidewire Software Inc..
Top companies hiring
plus 5 more companies hiring in this category
- New
Software Development Engineer in Test, ML/AI
Sony Interactive Entertainment (SIE)
San Mateo, CA🇺🇸$140.5k - $210.7k/yr15 minutes agoDockerMicroservicesNode.js+17 moreTechnologySI - New
Senior Software Engineer, Client Systems (C++)
Roblox
San Mateo, CA🇺🇸$195.8k - $242.1k/yr15 minutes agoLuaC++REST+2 moreTechnologyRO - New
Senior Software Development Engineer In Test, ML/AI
Sony Interactive Entertainment (SIE)
San Mateo, CA🇺🇸$183k - $274.6k/yr15 minutes agoDockerMicroservicesNode.js+17 moreTechnologySI - New
Senior Software Engineer SDK
Sony Interactive Entertainment (SIE)
San Mateo, CA🇺🇸$193.3k - $289.9k/yr15 minutes agoAngularC++JavaScript+6 moreTechnologySI - New
Senior Software Engineer (C++)
Roblox
San Mateo, CA🇺🇸$195.8k - $242.1k/yr15 minutes agoC++iOSAndroidTechnologyRO - New
Senior Manager, Engineering - AI Services
Guidewire Software Inc.
San Mateo, CA🇺🇸$177k - $296k/yr15 minutes agoDockerAWSBackground Checks+9 moreOtherGS - New
Senior Software Engineer, Ads Experience (C++)
Roblox
San Mateo, CA🇺🇸$243.3k - $295.3k/yr15 minutes agoC++TechnologyRO - New
Senior Frontend Software Engineer, Ads Experience
Roblox
San Mateo, CA🇺🇸$242.1k - $293.8k/yr15 minutes agoJavaScriptReactTypeScriptTechnologyRO - New
Senior Software Engineer - Storage Cache
Roblox
San Mateo, CA🇺🇸$243.3k - $295.3k/yr15 minutes agoLuaMemcachedRust+7 moreTechnologyRO - New
Senior Software Engineer
Guidewire Software Inc.
San Mateo, CA🇺🇸$160k - $271k/yr15 minutes agoDockerMicroservicesScala+15 moreTechnologyGSGet new jobs in San Mateo in your inbox
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- New
Software QA Engineer
Sony Interactive Entertainment (SIE)
San Mateo, CA🇺🇸$60 - $80/hr15 minutes agoDockerMicroservicesSelenium+12 moreTechnologySI - New
Senior Machine Learning Engineer, GenAI Data
Roblox
San Mateo, CA🇺🇸$243.3k - $295.3k/yr15 minutes agoMLOpsMLflowC+++4 moreTechnologyRO - New
Principal Software Engineer - Creator Distributed Systems & Storage
Roblox
San Mateo, CA🇺🇸$345.0k - $399.4k/yr15 minutes agoLuaMicroservicesAWS+9 moreTechnologyRO - New
Senior Software Engineer, Machine Learning (Communication Safety)
Roblox
San Mateo, CA🇺🇸$260.3k - $313.0k/yr15 minutes agoMachine LearningSAFeTechnologyRO - New
Software Engineering Manager, Engine UI
Roblox
San Mateo, CA🇺🇸$293.8k - $343.3k/yr15 minutes agoLuaC++TechnologyRO - New
Principal Software Engineer - Economy ML (Data Systems)
Roblox
San Mateo, CA🇺🇸$295.3k - $354.0k/yr15 minutes agoFlinkMachine LearningKafkaTechnologyRO - New
Senior Software Engineer (Backend), Communication
Roblox
San Mateo, CA🇺🇸$243.3k - $295.3k/yr15 minutes agoMySQLSQLSQL Server+7 moreTechnologyRO - New
Senior Software Engineer, Engineering Acceleration Foundations
Roblox
San Mateo, CA🇺🇸$196.8k - $243.3k/yr15 minutes agoDockerMicroservicesAWS+6 moreTechnologyRO - New
Engineering Manager, Application Security
Roblox
San Mateo, CA🇺🇸$295.3k - $345.0k/yr15 minutes agoAdministrativeRO - New
Senior Machine Learning Engineer, Ads
Roblox
San Mateo, CA🇺🇸$259.0k - $311.4k/yr20 minutes agoMachine LearningDeep LearningTechnologyRO - New
Engineering Manager, Creator Analytics
Roblox
San Mateo, CA🇺🇸$295.3k - $345.0k/yr20 minutes agoEngineeringRO - New
Senior Machine Learning Engineer, Reliability
Roblox
San Mateo, CA🇺🇸$196.8k - $243.3k/yr20 minutes agoMachine LearningTechnologyRO - New
Software Engineer I
Sony Interactive Entertainment (SIE)
San Mateo, CA🇺🇸$137.3k - $205.9k/yr20 minutes agoC++JavaScriptJenkins+6 moreTechnologySI - New
Software Development Engineer in Test, ML
Sony Interactive Entertainment (SIE)
San Mateo, CA🇺🇸$140.5k - $210.7k/yr21 minutes agoDockerMicroservicesScala+21 moreTechnologySI - New
Senior Hardware Engineer - GPU & AI Infrastructure
Roblox
San Mateo, CA🇺🇸$243.3k - $295.3k/yr55 minutes agoC++GrafanaPrometheus+1 moreTechnologyRO - New
[2026] Senior Machine Learning Engineer (Systems), Embodied AI/NPCs, ML Platform - PhD Early Career
Roblox
San Mateo, CA🇺🇸$196.8k - $243.3k/yr57 minutes agoAWSMachine LearningAzure+3 moreTechnologyRO - New
Senior Software Engineer - Release
Roblox
San Mateo, CA🇺🇸$243.3k - $295.3k/yr1 hour agoC#C++Python+2 moreTechnologyRO - New
Senior Security Software Engineer, IAM
Roblox
San Mateo, CA🇺🇸$269.2k - $326.1k/yr1 hour agoMicroservicesC#.NET+7 moreTechnologyRO - New
Senior Software Engineer, Data Engineering
Roblox
San Mateo, CA🇺🇸$243.3k - $295.3k/yr1 hour agoSQLScalaAWS+5 moreTechnologyRO - New
Senior Software Engineer - Data Access
Roblox
San Mateo, CA🇺🇸$243.3k - $295.3k/yr1 hour agoRustC++Java+1 moreTechnologyRO
Frequently asked questions
How many jobs in San Mateo are available?
Haystack currently lists 144 live jobs in San Mateo, with 140 added in the past week. Numbers refresh daily.
What do jobs in San Mateo pay?
Advertised salaries typically range from $220k to $320k per year, based on 130 live postings with advertised salaries.
Which companies are hiring for jobs in San Mateo?
Roblox, Sony Interactive Entertainment (SIE), Guidewire Software Inc., Notable, Speechify Inc. are actively hiring right now, alongside 6 other employers.