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
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
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
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
1mo
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Manager, Open Source Lead Discovery
Arizona or North Carolina or Virginia or United States or Georgia or Texas or Florida or Boston or Colorado
$80k-$100k/yr RemoteFull Time
4+ YOE2+ Mgmt4+ years in sales ops/lead generation/QA, 2+ years people management, experience with pipeline/SDR functions, strong analytical and process orientation, experience using data to drive decisions; Salesforce familiarity a plus.
Salesforce
2w
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Recruiter (85809)
Boston, Massachusetts, United States
$65k-$70k/yr OnsiteFull Time
2+ YOEBachelor's or equivalent,2+ years recruiting experience,experience with ATS and candidate sourcing tools,ability to manage multiple openings and work with hiring managers.
ATS
3mo
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Senior Developer Advocate
Durham or Smithfield or Merrimack
$75-$85/hr OnsiteContract
Hands-on full-stack development or systems analysis experience in Agile teams; knowledge of AWS/Azure, CI/CD and DevOps practices; familiarity with open-source and inner-source; experience with GitHub Copilot or Gemini Code Assist; strong communication and troubleshooting skills.
AWS, Azure, GitHub Copilot, Gemini Code Assist
3mo
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Applied Researcher II
New York or San Francisco or McLean or Cambridge or San Jose
$263k-$327k/yr OnsiteFull Time
PhD or MS with significant AI/ML research; experience building large DL models; open-source and cloud experience; ability to own a research agenda.
PyTorch, AWS, HuggingFace, Lightning, VectorDBs
2d
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Observability Tech Lead
Somerville, Massachusetts, United States
$160k-$200k/yr HybridFull Time
5+ YOE5+ years with open-source observability tools, OpenTelemetry instrumentation, Prometheus/PromQL, TS and Go services on Kubernetes, experience with time-series and AI-driven observability workflows.
TS, Go, Kubernetes, MongoDB, PostGres, Grafana, Loki, Mimir, Tempo, Alloy, Prometheus, OpenTelemetry, Claude Skills, Gemini Gems, promQL
2d
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Senior Engineer, Inference Data Plane
Boston, Massachusetts, United States
$139k-$174k/yr RemoteFull Time
Expert in distributed inference systems, experience with large-model hosting, contributions to open-source inference projects, strong GoLang or Python and gRPC skills, and cloud operations experience.
llm-d, NVIDIA Dynamo, Ray Serve, KServe, vLLM, SGLang, TensorRT, TensorRT-LLM, TGI, Modular MAX, GoLang, Python, gRPC, Kubernetes, NIXL
1mo
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eBPF Engineer - Remote
Boston or Israel
RemoteFull Time
5+ YOE5+ years as a software engineer with proficiency in C, Assembly, Linux, kernel development, eBPF, OpenTelemetry, and familiarity with AWS; experience building runtime instrumentations and working with open-source communities.
C, Go, Assembly, Linux, AWS, OpenTelemetry, eBPF
2mo
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Protective Intelligence Analyst
Boston, Massachusetts, United States
$115k-$130k/yr OnsiteFull Time
5+ YOEBachelor’s degree; 5–7 years in protective/threat intelligence; strong briefing and research skills; experience with open-source and threat monitoring; familiarity with protective intelligence concepts and related tools.
Seerist, Ontic, Everbridge, TLO, International SOS TRM, Virtual Command Center
1mo
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Software Developer Growth Engineer
Cambridge, Massachusetts, United States
$140k-$180k/yr OnsiteFull Time
2+ YOE2+ years professional software engineering experience, strong engineering fundamentals, production shipping experience, public-facing content creation, developer engagement, active GitHub/open-source contributions.
Blitzy, GitHub, YouTube
1mo
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Application Engineer, Drone Technology
Framingham, Massachusetts, United States
OnsiteFull Time
2+ YOEBachelor's in engineering or related field; 2-5 years in autonomous systems/drones; experience with open-source flight control systems; hardware integration experience; defense or commercial drone familiarity would help.
Raspberry Pi, NVIDIA Orin, Qualcomm Snapdragon, Pixhawk, PX4, ArduPilot
1w
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Senior Solutions Engineer | East Coast | Remote
United States or New York City or Boston
$204k-$254k/yr RemoteFull Time
5+ YOE5+ years technical pre-sales experience, strong written and oral communication, customer-facing demos and technical evaluations, familiarity with open source or metrics/monitoring technologies, East Coast location preferred.
Grafana Cloud, Grafana
1mo
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Software Engineer II and Sr. Software Engineer - AI Frameworks
Mountain View or Redmond or Boston or New York or United States
$102k-$261k/yr HybridFull Time
2+ YOEBachelor's in computer science or related field and 2+ years engineering experience; coding in C, C++, C#, or Python; experience with AI frameworks, performance optimization, Android, open-source collaboration, and passing Microsoft security screening.
C, C++, C#, Python, ONNX, ONNX Runtime, Android, CLI, SDK, REST API, Windows, Office, Microsoft 365, Bing, SQL Server, VSCode
2w
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Talent Acquisition Partner
Norwood, Massachusetts, United States
$115k-$125k/yr OnsiteFull Time
Proven high-volume recruitment experience in manufacturing/engineering environments; ability to manage 15+ open roles, source candidates nationally, build partnerships, run end-to-end hiring, analyze recruiting KPIs, and ensure compliance.
Workday
2mo
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Senior Scientist, AI Applications - R&D Immunology Data Science & Digital Health
Cambridge or Titusville or Raritan or San Diego or Spring House
$109k-$175k/yr HybridFull Time
2+ YOEPhD in AI/ML or related field with at least 2 years of experience; strong maths (Bayesian, uncertainty, information theory); proficiency in PyTorch/TensorFlow; programming in Python; experience with open-source AI frameworks; ability to work independently in a multidisciplinary team.
Python, PyTorch, TensorFlow, LangGraph, DSPy, mem0
1mo
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Senior Systems Engineer
Tewksbury, Massachusetts, United States
$95k-$126k/yr OnsiteFull Time
3+ YOEBachelor's in software engineering or related field, 3+ years software development, 1 year AI development preferred, knowledge of AI open-source frameworks and tactical data links, U.S. citizenship required for clearance, strong communication and problem-solving skills.
AI, AI open-source frameworks, Tactical Data Link (TDL)
2mo
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Senior Scientist, AI Applications - R&D Immunology Data Science & Digital Health
Titusville or Cambridge or Raritan or Spring House or San Diego
$109k-$175k/yr HybridFull Time
2+ YOEPhD in AI/ML or related field with 2+ years experience; expertise in Bayesian inference, uncertainty quantification, information theory, causal inference, graph neural networks; proficient with PyTorch, TensorFlow; Python; open‑source agentic frameworks; strong collaboration skills.
PyTorch, TensorFlow, LangGraph, DSPy, mem0, Python
1mo
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Senior Software Engineer
Boston, Massachusetts, United States
$178k-$225k/yr HybridFull Time
5+ YOEMaster's in CS (or equivalent) and 5+ years experience; 5+ years OOP with Python or Golang; microservices/API 4+ years; Kubernetes/OpenShift 3+ years; 3+ years leading projects and mentoring; 2+ years contributing to open source; 1+ year AI/ML.
vLLM, llm-d, Agentic AI, LLMs, PyTorch, Kubernetes, OpenShift, Python, Golang
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