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166 algorithm developer jobs at 34 companies in Washington

6d
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Tech Lead / Principal Engineer, Creator Agent Algorithm Infrastructure
Seattle, Washington, United States
OnsiteFull Time
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Deep expertise in agent architectures, LangGraph or equivalent, agent optimization (Agent RL, Memory RL, SFT), agentic search, B2B algorithm infrastructure judgment, and strong cross-team collaboration.
LangGraph, OpenAI SDK, Claude, DSPy, TextGrad, LLM, RL, RLHF, DPO, GRPO
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1w
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Senior Algorithm Engineer, TikTok E-Commerce (Conversational AI)
Seattle, Washington, United States
$202k-$368k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
5+ YOERequires 5+ years experience, bachelor’s degree in CS-related field, expertise in LLM post-training/RLHF, multilingual NLP, distributed training, and scalable low-latency model deployment.
LLMs, NLP, RLHF, retrieval augmented generation, mixture of experts, sparse attention, edge AI
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2w
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C++ Developer (System Components)
Warsaw or Czech Republic or Seattle
HybridFull Time
Veeam
Veeam: Data resilience and security for hybrid cloud environments
3+ YOE3+ years commercial development; strong C++ (C++17) and STL knowledge; experience with multithreaded applications, algorithms and OOP; English proficiency for international teams.
C++17, C#, Windows, Linux, STL, Boost, Multithreading, WinAPI, POSIX
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2w
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Software Engineer, Memberships
Seattle or San Francisco
$111k-$185k/yr OnsiteFull Time
Twitch
TwitchNASDAQ: AMZN: Operates a global live streaming platform for interactive content.
1+ YOE1+ years professional software development; proficiency in Python, Java, Go; strong algorithms, data structures, and distributed systems skills; Bachelor's in CS/Engineering or equivalent experience.
Python, Java, Go, Golang, TypeScript, React, AWS, ECS, DynamoDB, Lambda, SQS, Step Functions
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2mo
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Software Engineer - Ride and Fleet Services
San Diego or Seattle or Foster City
$145k-$219k/yr HybridFull Time
Zoox
ZooxNASDAQ: AMZN: Developing autonomous robotaxis for urban ride-hailing services.
Design and build scalable fleet-dispatch systems; develop optimization algorithms; apply ML/OR techniques; collaborate across teams.
Java, Kotlin, Machine Learning, Operations Research, Optimization
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1w
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Senior Software Engineer
Seattle, Washington, United States
$114k-$196k/yr OnsiteFull Time
Coupang
CoupangNYSE: CPNG: Provides online retail, grocery delivery, and video streaming services.
4+ YOEBachelor's in CS/EE/Math or related, 4 years professional software development experience, cloud (AWS) experience, distributed systems, scalable data infrastructure, strong algorithms and coding skills.
AWS, Spring, Kafka, Elasticsearch, Iceberg, ClickHouse
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1mo
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Principal Software Developer
Seattle or Santa Clara or United States
$115k-$235k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
9+ YOE9+ years systems/application development, 5+ years distributed systems or network programming, proficient in two of C/C++, Python, Java, Scala, Go; strong data structures, algorithms, OS, VPN/IPSec, and cloud system design; bachelor's in CS or related field.
C, C++, Python, Java, Scala, GO, Terraform, Chef, Ansible, Linux, VPN, IPSec
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3w
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Software Engineer, Memberships
San Francisco or Seattle
$111k-$185k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
1+ YOE1+ years professional software development experience; proficiency in Python/Java/Go; experience building scalable distributed systems; strong algorithms/data-structure skills; Bachelor's in CS/Engineering or equivalent experience.
Python, Java, Go, Golang, TypeScript, React, AWS, ECS, DynamoDB, Lambda, SQS, Step Functions
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1mo
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Software Engineer III, Technical Infrastructure
Sunnyvale or Kirkland
$147k-$211k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
2+ YOEBachelor's degree or equivalent practical experience; 2 years software development experience (1 year with advanced degree); strong data structures and algorithms; accessibility experience preferred.
TPUs, Vertex AI, Google Global Networking
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2w
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application developer- ST; Seattle, WA
Seattle or Nashville
$80k-$154k/yr HybridFull Time
Starbucks
StarbucksNASDAQ: SBUX: Operates a global chain of coffeehouses and roastery reserves.
0+ YOEDeliver and support software solutions across the delivery lifecycle; 0–4 years software development experience; bachelor’s in computer science preferred; strong fundamentals in data structures/algorithms, API integration, automated testing, and clear technical documentation.
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1mo
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Software Engineer
San Jose or New York City or New York or Washington or Illinois or United States or Canada
$124k-$174k/yr HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
3+ YOEBachelor's degree and 3+ years engineering experience; proficiency in C++ and Python; experience with algorithms, data structures, and networking; debugging and community engagement experience preferred.
C++, Python, SAI, SONiC, GDB, PDB
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2mo
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Software Engineer | Database Engine
Hyderabad or India or San Francisco or Sunnyvale or Raleigh or Seattle or Boston or London or Lisbon or Bangalore or Dublin or Kyiv
OnsiteFull Time
SingleStore
SingleStore: Provides a distributed SQL database for real-time analytics.
Bachelor's in CS or related, deep CS fundamentals (OS, concurrency, multithreading), strong C++ or C programming, algorithms/data structures, passion for reliability.
LLM, vector index, SIMD, LLVM codeGen, C++, C, SQL
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3mo
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Machine Learning Engineer, Siri Speech
Cupertino or Seattle
HybridFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Strong Python, ML algorithms, DL, TensorFlow/PyTorch, Git; ML for speech/audio; collaborative; good communication.
Python, Bash, Java, C, C++, Go, Rust, TensorFlow, PyTorch, scikit-learn, Git
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1mo
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Software Engineer | Database Engine
Hyderabad or Bangalore or San Francisco or Sunnyvale or Raleigh or Seattle or Boston or London or Lisbon or Dublin or Kyiv or India
OnsiteFull Time
SingleStore
SingleStore: Real-time distributed SQL database for transactions and analytics.
B.S. in CS/CE/EE or related; deep CS fundamentals (OS, concurrency, multithreading), strong C++ or C programming, algorithms/data structures, and passion for building reliable software.
C++, C, SIMD, LLVM codeGen, LLM, SQL
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1mo
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Software Engineer III, Editing
Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Maryland or Massachusetts or Michigan or Minnesota or Missouri or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Puerto Rico or Rhode Island or Tennessee or Texas or Utah or Vermont or Virginia or Washington or West Virginia or Wisconsin or Wyoming or Brazil or Canada or Colombia or Germany or Ghana or India or Indonesia or Italy or Kenya or Mexico or Morocco or Netherlands or Poland or Singapore or South Africa or Spain or Switzerland or United Kingdom
$95k-$149k/yr RemoteFull Time
Wikimedia Foundation
Wikimedia Foundation: Operates Wikipedia and provides global free knowledge infrastructure.
2+ YOE2–5 years software engineering experience; proficiency with JavaScript or PHP (or similar), unit testing, version control, strong written communication, and solid algorithms/data-structures skills.
JavaScript, PHP, Python, Ruby, CSS, MediaWiki API, VisualEditor, GitHub
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2mo
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Software Engineer - Core Systems and Storage Roles (Multiple Individual Contributor Levels)
San Jose or Research Triangle Park or Boulder or Pittsburgh or Bellevue
$120k-$280k/yr OnsiteFull Time
NetApp
NetAppNasdaq: NTAP: Provides intelligent data infrastructure for hybrid cloud environments.
5+ YOEProven systems-level C/C++ development on Unix/Linux, strong data structures/algorithms and concurrency skills, experience with filesystems/storage/protocols, debugging and performance analysis (gdb, perf), and effective collaboration.
C, C++, Unix, Linux, gdb, perf, ONTAP, WAFL, NFS, SMB, iSCSI, FC, NVMe/TCP, NVMe-oF, AWS, Azure, GCP, OCI, CI/CD, AI-assisted tools, VFS
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1mo
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Senior Software Engineer
Seattle, Washington, United States
$130k-$220k/yr OnsiteFull Time
Gradial
Gradial: Automates enterprise marketing operations and content supply chains.
5+ YOE5+ years professional experience; strong background in algorithms, distributed systems, and software design; excellent communication; able to solve unstructured problems; ownership from 0 to 1.
TypeScript, LLMs, AI tooling
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2d
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Software Engineer - Open Search
Bellevue or San Jose or Seattle
$131k-$245k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
7+ YOE7+ years experience building distributed, high-throughput systems; strong Java/JVM skills; familiarity with concurrency, algorithms, data structures, cloud platforms; experience with Open Search/ElasticSearch desirable.
Java, JVM, Python, Golang, Go, Docker, Kubernetes, Open Search, ElasticSearch, Langflow, Apache Cassandra
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1mo
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(USA) Principal, Software Engineer
Sunnyvale or Bellevue
$132k-$286k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
5+ YOE5+ years software engineering experience (or 7 years without degree), proficiency in Java/Python/C++, cloud-native and distributed systems experience, experience with optimization/ML algorithms, bachelor's or equivalent preferred.
Java, Python, C++
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1mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
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