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52 open source jobs at 23 companies in Seattle, WA

1mo
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Head of Open Source Ecosystem
San Francisco or Ontario or London or Berlin or New York City or Austin or Seattle or Singapore
RemoteFull Time
Sentient Foundation
Sentient Foundation: Steward of an open, decentralized artificial general intelligence ecosystem.
4+ YOE4+ years in developer relations or community/ecosystem roles, 4+ years building open-source software, hands-on technical ability (Python/TypeScript), community leadership, public portfolio of developer content, and experience evaluating OSS projects for grants.
ROMA, OML, Open Deep Search, EvoSkills, Arena, GitHub, Discord, X, Python, TypeScript, SDK, API
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3w
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Open Source Software Engineer: Apache Kafka Committer
Schiphol-Rijk or United States or Cork or San Jose or Morrisville or Raleigh or Boston or Seattle
HybridFull Time
NetApp
NetAppNASDAQ: NTAP: Sells enterprise data storage and cloud management software.
12+ YOE12+ years software engineering experience, current Apache Kafka committer, expert Java and deep Kafka internals, proven upstream KIP/Jira delivery, strong written communication and public open-source collaboration.
Apache Kafka, Kafka Streams, Kafka Connect, MirrorMaker 2, Kafka clients, KRaft, Java, Kubernetes, Jira, Strimzi
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1mo
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Sr. Open-Source Software Engineer - Apache Cassandra
Raleigh or San Jose or Seattle or Waltham
$220k-$265k/yr HybridFull Time
NetApp
NetAppNasdaq: NTAP: Provides intelligent data infrastructure for hybrid cloud environments.
12+ YOE12+ years software engineering experience, Apache Cassandra committer status, expert Java skills, deep mastery of Cassandra internals in at least one domain, CEP/Jira/GitHub open-source leadership, strong written communication.
Java, Apache Cassandra, GitHub, Jira, GoCQL, Cassandra Sidecar, Spark, ZSTD, CQL
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Senior/Principal Product Manager, Open Source
Seattle, Washington, United States
$166k-$228k/yr RemoteFull Time
Pulumi
Pulumi: Provides an infrastructure as code platform for cloud resources.
7+ YOE7+ years in product management or technical program management, with focus on developer tools or infrastructure; experience building developer tools (CLI, SDKs, APIs); strong CLI/UX intuition; open source experience; hands-on cloud tech familiarity.
CLI, SDKs, APIs, Containers, Kubernetes, Terraform, CloudFormation, CDK
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Sr Staff Software Engineer - (Platform Engineering/Java/Temporal/SRE/Open Source) - *HYBRID*
Renton or Bethesda
$115k-$260k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
8+ YOEStrong Java/Go, experience designing scalable, hybrid-cloud platforms; SRE/open-source background; incident management; cloud and on-prem architecture; leadership and mentoring.
Java, Go, Kubernetes, Docker, AWS, GCP, Azure, CI/CD, Linux
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2w
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Senior Database Engineer, Aurora and Open Source
Redmond or East Palo Alto
$146k-$197k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOE5+ years relational database experience, system architecture and troubleshooting skills, operations of highly available systems, knowledge of core AWS services, and experience with modern programming languages.
Aurora, Redshift, Oracle, MySQL, MS SQL, EC2, ELB, RDS, VPC, Route53, S3, Ruby, Java, Python, C#
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1w
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Compiler Engineer, Infrastructure - New College Grad 2026
Santa Clara or Austin or Redmond or Texas or Washington or California
$108k-$196k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
Recent BS/MS in CS or related, strong C++ and compiler internals knowledge, experience with large codebases, open-source compiler frameworks, and source-control workflows.
C++, LLVM, Clang, MLIR, CUDA
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2mo
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New Business Manager
Everett, Washington, United States
$75k-$145k/yr OnsiteFull Time
US Foods
US FoodsNYSE: USFD: Distributes food and supplies to restaurants and healthcare facilities.
3+ YOESourcing and developing new business; 3+ years sales experience; open accounts >$0.5m; overnight travel may be required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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2mo
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Offensive Security Engineer
Seattle, Washington, United States
$150k-$200k/yr RemoteFull Time
Staris AI
Staris AI: AI-powered platform for continuous application security validation.
5+ YOE5+ years in application security, strong knowledge of offensive security, open-source attack tools, and cloud/modern environments.
SAST, DAST, Fuzzing, attack automation tools, AI model APIs
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3mo
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Research Scientist, Agents for Science
Seattle, Washington, United States
$167k-$261k/yr OnsiteFull Time
Allen Institute for Artificial Intelligence
Allen Institute for Artificial Intelligence: Non-profit institute developing open-source artificial intelligence for scientific impact.
PhD in ML/RL/NLP or related field; lead research agenda; open-source contributions; strong collaboration and communication skills.
Python, PyTorch, TensorFlow, Machine Learning Libraries
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3mo
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Member of Technical Staff (Rust, Search & Database Engines)
Bellevue, Washington, United States
OnsiteFull Time
Spice AI
Spice AI: Building open-source data and AI infrastructure for intelligent applications.
2+ YOERust software engineer with experience in building high-performance database engines and distributed data systems; open-source contribution preferred.
Rust, Apache DataFusion, Apache Ballista, Arrow, Iceberg, Vortex, duckdb-rs, Spice.ai OSS
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2w
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Research Scientist - Compute AI Infra - Global Frontier Tech Recruitment Program - 2027 Start (PhD)
Seattle, Washington, United States
OnsiteFull Time
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
PhD or completing PhD in CS or related field; experience in LLM training/inference or AI agents; strong research, communication, and teamwork; ability to publish and collaborate with academia/open source.
PyTorch, vLLM, SGLang
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3mo
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Research Scientist - AI Incubation
Seattle or San Jose
$138k-$275k/yr HybridFull Time
Zoom
ZoomNasdaq: ZM: Provides a cloud-based platform for video, voice, and collaboration.
PhD in CS/AI/ML; expertise in LLM post-training, RLHF/DPO/PPO, federated learning; distributed training; PyTorch/Transformers/DeepSpeed/CUDA; publications/open-source.
PyTorch, Transformers, DeepSpeed, CUDA
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3d
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Senior Product Marketing Manager Interoperable Lakehouse
Menlo Park or Bellevue
$165k-$216k/yr HybridFull Time
Snowflake
SnowflakeNYSE: SNOW: Cloud-based platform for data storage, processing, and analytics.
6+ YOE6+ years product marketing experience in data infrastructure or open source ecosystems, BS/BA (MBA preferred), technical fluency, cross-functional collaboration, travel up to 25%.
Apache Iceberg, Apache Polaris
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1w
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Compiler Engineer, Infrastructure - New College Grad 2026
Santa Clara or Austin or Redmond or Texas or Washington or California
$108k-$196k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
Recent B.S. or M.S. graduate (or equivalent experience) with strong C++ skills, compiler internals knowledge, experience with large codebases and open-source compiler frameworks, and strong engineering and communication skills.
C++, LLVM, Clang, MLIR, CUDA
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1w
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Intelligence Analyst (Temporary)
Seattle or Herndon
$91k/yr OnsiteFull Time
Concentric
Concentric: Security and risk management services for corporations and private clients.
2+ YOEBachelor's degree,2+ years in analytical or intelligence roles,open-source research/OSINT,investigative techniques,report writing,handling confidential information,and strong communication and critical thinking skills.
Risk Intelligence Dashboard, GEAR App
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5d
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Staff Engineer, Inference Optimizations
Austin or Seattle
$191k-$239k/yr RemoteFull Time
DigitalOcean
DigitalOceanNew York Stock Exchange: DOCN: Simplifies cloud infrastructure for developers, startups, and SMBs.
5+ YOE5+ years in high-performance computing or AI infrastructure with GPU architecture expertise, experience optimizing attention layers and distributed GPU kernels, and strong low-level systems design and open-source contributions.
AITER, CUDA, ROCm, TensorRT, OpenAI Triton
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2mo
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Senior Research Manager, Multimodal Reasoning - SIML
Cupertino or Seattle
HybridFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
PhD or MSc in CS/EE or related field; strong ML and generative modeling; expertise in RL, multimodal training, or foundation models; proficient with ML toolkits (e.g., PyTorch); publications or open-source contributions.
PyTorch, Machine Learning Toolkits
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2w
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Senior Software Engineering Manager, Developer Tools
Bothell, Washington, United States
$201k-$263k/yr HybridFull Time
IonQ
IonQNYSE: IONQ: Develops and sells trapped-ion quantum computers and cloud services.
6+ YOE6+ MgmtBachelor's degree or equivalent,6+ years technical leadership and people management,5+ years open source contributions,3+ years Python,SDK and cloud hybrid experience,stakeholder and program management skills.
Python, Qiskit, Pennylane, CirQ
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5d
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Contract Manager/ Paralegal
Clayton or Bellevue
$90k-$120k/yr OnsiteFull Time
DeepSight Technology
DeepSight Technology: Develops high-sensitivity ultrasound imaging systems for medical procedures.
4+ YOE4-6 years contract management experience, bachelor\u0002s or equivalent, strong drafting/review/negotiation skills, familiarity with NDAs, SOWs, licensing, open-source and privacy agreements, and MS Word/Excel proficiency.
Microsoft Word, Microsoft Excel, Outlook, Microsoft Teams, Google Documents, Document Management Systems
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