117 algorithm engineer jobs at 72 companies in Norwalk, CT
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Algorithm Engineer
Paris or Boston or New York City
RemoteFull Time
Beacon Biosignals: Provides AI-powered EEG monitoring and analytics for brain health.
5+ YOE5+ years ML/DL experience in regulated fields, DSP and statistics knowledge, proficiency with PyTorch, experience productionizing algorithms, and strong software/ML engineering best practices.
PyTorch, Transformer, ViT, Docker, CI/CD, experiment tracking, version control
Yorktown Heights or San Jose or San Francisco or Cambridge or Chicago or New York City
$265k-$315k/yrHybridFull Time
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
5+ YOEPhD required in physics, CS, CE or equivalent; 5+ years hands-on quantum computing experience; strong Python, Qiskit and IBM Quantum stack skills; experience with quantum hardware, benchmarking, and performance optimization.
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
Full-time PhD student eligible for 2027 roles; fluency in Python; experience in statistical analysis, numerical programming or machine learning; familiarity with Pandas/Numpy, R and/or MATLAB; strong analytical skills.
Trexquant: Quantitative hedge fund developing systematic trading strategies.
6+ YOESenior technologist with 6+ years in high-performance Linux trading infra; expert in C++/Java/Python; strong algorithms, concurrency, data structures; experience with OMS and low-latency systems.
C++, Python, Java, Linux, Algorithms, Concurrency, Data Structures, Distributed Systems
New York City or London or Palo Alto or Copenhagen or Seoul
$300k-$400k/yrOnsiteFull Time
Normal Computing: Building probabilistic AI and thermodynamic computing for semiconductor design.
Deep knowledge of large-model inference, stochastic systems, and numerical methods; experience implementing algorithms on real hardware; strong Python and systems-language programming skills.
Two Sigma: Systematic investment management and quantitative trading firm.
1+ YOE1+ year experience; BS/MS in CS/Engineering; C/C++, Rust required; Python a plus; data structures/algorithms; production deployment and large-scale systems experience preferred
SpotifyNYSE: SPOT: Digital music, podcast, and video streaming service.
4+ YOE4+ years backend engineering experience, strong Java (Scala preferred), experience building low-latency high-throughput distributed systems, system design and algorithms, EMR not mentioned, strong communication and data-driven mindset.
Fireworks AI: Provide high-speed inference and infrastructure for generative AI models.
Strong programming (Python, C++, or Rust), deep ML knowledge, experience with PyTorch/JAX/TensorFlow and distributed systems (CUDA, NCCL, MPI). Proven record implementing deep learning algorithms and scaling training infra.
8+ YOE2+ MgmtBachelor's degree or equivalent, 8+ years software development experience, 3+ years technical leadership, 2+ years people management, proficiency with data structures/algorithms; experience with C++, Go, Java, gRPC and observability/SRE preferred.
3+ YOEBS or MS in EE/CS/Physics/Applied Math, 3+ years developing control algorithms or real-time scientific software, strong Python/MATLAB/C++ skills, ML tooling experience, familiarity with control methods, ability to lift up to 50 lbs and work occasional nights/weekends.
San Diego or Seattle or Bellevue or Redmond or San Francisco or Sunnyvale or Santa Clara or Washington, D.C. or Maryland or Virginia or Austin or New York City or Minneapolis
$123k-$170k/yrOnsiteFull Time
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
Bachelor's in EE/CompE (or in progress), experience in communication theory (OFDM, MIMO), MATLAB/Python for algorithm development, converting floating-point to fixed-point, BER/SNR analysis; U.S. citizenship or permanent resident/asylee/refugee required by export control.
Principal Software Engineer I - Distributed Systems - Elasticsearch
United States or Seattle or Los Angeles or San Francisco or New York City
$133k-$211k/yrRemoteFull Time
ElasticNYSE: ESTC: Software platform for search, security, and observability.
Expertise in distributed systems and consensus algorithms, strong Java/JDK skills, deep algorithms knowledge, experience building/debugging large distributed systems, and managing projects involving multiple engineers.
Current: Provides a mobile fintech platform for consumer banking services.
2+ YOE2+ years backend engineering experience using a JVM language (Java preferred); Bachelor's in CS/EE or related; strong algorithms/data-structures; RDBMS or NoSQL experience; familiarity with cloud services.
Google Cloud Kubernetes Engine, MongoDB, Spanner, Pub/Sub, Dataflow, BigQuery, Google Cloud Storage, Java, Scala, AWS, GCP
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years applied software engineering experience, 2+ years leading technologists; advanced Java, data structures, algorithms, multithreading; experience with algorithmic trading, FIX, performance optimization, cloud-native systems and trading protocols.
Justworks: HR, payroll, and benefits platform for small businesses
6+ YOE6+ years professional backend engineering experience; strong system design, OOP, data structures and algorithms; experience as a tech lead; service-oriented architecture and Agile/Scrum experience.
Category Labs: Developing a high-performance EVM-compatible Layer 1 blockchain protocol.
5+ YOE5+ years software engineering experience in Rust, C++, or C; experience building performant systems, distributed algorithms, consensus, and cryptography; strong software architecture and performance optimization skills; BS/MS/PhD in CS or equivalent.
PubMaticNASDAQ: PUBM: Sell-side platform for digital advertising and programmatic media buying.
5+ YOE5+ years software engineering in performance advertising/programmatic bidding; expertise in attribution, MTA/LTA, low-latency pipelines, distributed data frameworks, and algorithmic ROAS optimization.
NomuraTokyo Stock Exchange: 8604: Global financial services group providing investment banking and brokerage.
3+ YOE3+ years building equity algorithmic trading systems, hands-on Java development, strong teamwork and self-management, bachelor's or master's in CS/engineering, experience with distributed/event-driven systems preferred.