6d
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Tech Lead / Principal Engineer, Creator Agent Algorithm Infrastructure
Seattle, Washington, United States
OnsiteFull Time
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
1w
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Senior Algorithm Engineer, TikTok E-Commerce (Conversational AI)
Seattle, Washington, United States
$202k-$368k/yr OnsiteFull Time
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
2w
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C++ Developer (System Components)
Warsaw or Czech Republic or Seattle
HybridFull Time
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
2w
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Software Engineer, Memberships
Seattle or San Francisco
$111k-$185k/yr OnsiteFull Time
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
2mo
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Software Engineer - Ride and Fleet Services
San Diego or Seattle or Foster City
$145k-$219k/yr HybridFull Time
Design and build scalable fleet-dispatch systems; develop optimization algorithms; apply ML/OR techniques; collaborate across teams.
Java, Kotlin, Machine Learning, Operations Research, Optimization
1w
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Senior Software Engineer
Seattle, Washington, United States
$114k-$196k/yr OnsiteFull Time
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
1mo
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Principal Software Developer
Seattle or Santa Clara or United States
$115k-$235k/yr OnsiteFull Time
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
3w
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Software Engineer, Memberships
San Francisco or Seattle
$111k-$185k/yr OnsiteFull Time
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
1mo
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Software Engineer III, Technical Infrastructure
Sunnyvale or Kirkland
$147k-$211k/yr OnsiteFull Time
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
2w
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application developer- ST; Seattle, WA
Seattle or Nashville
$80k-$154k/yr HybridFull Time
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.
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
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
3mo
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Machine Learning Engineer, Siri Speech
Cupertino or Seattle
HybridFull Time
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
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
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
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
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
1mo
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Senior Software Engineer
Seattle, Washington, United States
$130k-$220k/yr OnsiteFull Time
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
2d
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Software Engineer - Open Search
Bellevue or San Jose or Seattle
$131k-$245k/yr HybridFull Time
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
1mo
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(USA) Principal, Software Engineer
Sunnyvale or Bellevue
$132k-$286k/yr OnsiteFull Time
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++
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
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
1w
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Machine Learning Engineer, Level 4
Palo Alto or Seattle or San Francisco or Los Angeles or New York City or Bellevue
$147k-$259k/yr OnsiteFull Time
3+ YOE3+ years post-bachelor’s ML experience (or advanced degree + experience). Experience building and deploying ML models, strong ML algorithm knowledge, collaboration and mentorship skills, and experience with ML frameworks.
TensorFlow, Caffe2, PyTorch, Spark ML, scikit-learn, Microsoft Excel
2w
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Software Engineer (Technical Leadership) - Machine Learning
Sunnyvale or Bellevue or Redmond or Menlo Park or Seattle or Burlingame or New York or San Francisco
$219k-$301k/yr OnsiteFull Time
12+ YOEBachelor's in CS or equivalent; 12+ years programming (or 8+ with PhD); proven multi-year roadmap planning, cross-functional leadership, data-driven problem solving, mentoring executives; knowledge of algorithms and AI/ML frameworks.
TensorFlow, PyTorch, Scikit-learn