5d
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Sr. Lead Engineer - Customer Agent
Boston, Massachusetts, United States
$216k-$324k/yr OnsiteFull Time
12+ YOE12+ years engineering experience building production systems, expertise with LLM-powered and agentic AI systems, strong distributed systems and product instincts, excellent communication and technical leadership.
LLM
2mo
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Lead AI Engineer (AI Foundations, LLM Customization and Finetuning)
Cambridge or McLean or San Jose or New York City
$197k-$225k/yr OnsiteFull Time
4+ YOEBachelor's in CS/AI/EE/CE with 4+ years or Master's with 2+ years in AI/ML; 4+ years Python/Go/Scala/Java
AWS, Hugging Face, VectorDBs, Nemo Guardrails, PyTorch, Python, Go, Scala, Java, C++
2mo
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Forward Deployed Engineer
Gurugram or Boston
FieldFull Time
10+ YOE10+ years software engineering, production-grade coding, product-minded, strong customer engagement, on-site regional presence, ability to build AI-native solutions and work with agentic/LLM systems.
Olly, MCP, CLI, APIs, SDKs, LLM
3d
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Applied AI Research Engineer - Model Cost Optimization
Cambridge, Massachusetts, United States
$210k-$260k/yr OnsiteFull Time
Applied ML/AI research experience with hands-on LLM evaluation or fine-tuning, strong software engineering, familiarity with LLM evaluation and benchmarking, and understanding of inference cost/latency tradeoffs.
LLM
1mo
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Advanced Concepts Engineer
Arlington or Mount Laurel or San Diego or Fall River
$90k-$184k/yr HybridFull Time
3+ YOEBachelor's in STEM or equivalent experience, 3-5+ years relevant experience, ability to obtain/maintain Secret clearance, experience with distributed systems, cloud deployment, Agentic AI/LLM, systems engineering, and ~10% travel.
Agentic AI, LLM, SysML, UML, C++, Python, MATLAB, DOORS, Agile
2mo
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Senior Software Engineer, AI/ML
Cambridge, Massachusetts, United States
HybridFull Time
7+ YOE7+ years of software engineering; lead AI/ML/LLM projects; Python; AWS; distributed systems; strong communication; BS in CS, MS preferred.
Python, TypeScript, Go, AWS, LLM, RAG, tool calling, LoRA, distributed systems, cloud monitoring
1mo
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Innovation Senior AI Engineer
Boston or Jersey City or New York City or Massachusetts or New York or New Jersey or United States or Poland
$210k-$260k/yr OnsiteFull Time
3+ YOE3+ years AI/ML engineering (5+ years product development), hands-on leader, expert Python, production LLM/RAG/agent experience, workflow orchestration, Azure/AWS, vector DBs, evaluation and responsible-AI practices.
Python, Agno, LangChain, LlamaIndex, Temporal, Prefect, Airflow, Azure, AWS, Pinecone, Weaviate, pgvector, LLM, RAG
1mo
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Senior Principal Software Engineer/Architect
Lowell or Atlanta or Alpharetta or Sunrise or United States
$207k-$298k/yr HybridFull Time
12+ YOE~12+ years engineering experience designing SaaS multi-tenant systems, AI/ML (LLM) productionization, M&A technical diligence and cloud/SRE expertise; strong communication and architectural leadership.
Kubernetes, AWS, GCP, Azure, CI/CD, MLOps, LLM, ETL/ELT, feature store, API
3w
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Devops / Platform Engineer
Boston, Massachusetts, United States
HybridFull Time
Deep hands-on AWS experience, infrastructure-as-code (Terraform or CDK), containers and CI/CD, building observability/reliability, security/compliance (SOC 2/HIPAA), and using AI/LLM tooling and coding agents to automate operations.
AWS, Terraform, CDK, CI/CD, LLM
2mo
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AI Engineer
Paris or New York City or Boston
HybridFull Time
5+ YOE5+ years software engineering experience; hands-on LLM/AI feature productionization; strong Python and REST API skills; experience improving reliability, latency, and observability of AI systems.
Python, SQL, Dust, LangChain, LangGraph, LangSmith, n8n, Snowflake, Dagster, Kubernetes, Docker, Terraform, Fivetran, Airbyte, PostgreSQL, Elasticsearch, Hubspot, Notion, REST APIs
1w
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Principal Engineer, Resilience
Berlin or London or Valencia or Boston or Durham or Munich
HybridFull Time
5+ YOE5+ years shipping production software, 2+ years building with LLMs, full‑stack ownership (frontend, backend, data, ML), prompt/context engineering, agents, retrieval/embeddings, and SQL proficiency.
A2UI, AG-UI, MCP, MCP-UI, Python, TypeScript, Node, React, SQL
6d
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Principal Engineer - AI Engineering
Niskayuna or Cambridge
$132k-$219k/yr OnsiteFull Time
10+ YOE10+ years relevant experience, Master’s or PhD in CS/AI/ML or related, 3+ years prompt engineering, proficiency with Python, PyTorch, Pandas, NumPy, Git, and LLM tools; strong communication and problem-solving.
OpenAI GPT, Hugging Face, Python, PyTorch, Pandas, NumPy, Git
1mo
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Forward Deployed Engineer
Boston or New York City
RemoteFull Time
8+ YOE8+ years in technical customer-facing roles, production LLM experience, advanced prompt engineering, agent development, Python proficiency, strong communication and cross-team collaboration skills.
LLMs, Python, Typescript, Java, Studio, Lens
21h
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Software Engineer: Infrastructure (Early Career)
Cambridge, Massachusetts, United States
$150k-$170k/yr HybridFull Time
Lightfield: AI-powered CRM automating customer interaction capture and insights.
Experience with TypeScript, React, Next.js, Node.js, Apollo GraphQL, and PostgreSQL; degree in Computer Science or related field; familiarity with LLMs; strong software engineering fundamentals and communication.
TypeScript, React, Next.js, Node.js, Apollo GraphQL, PostgreSQL
1mo
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Senior Machine Learning Engineer
Boston, Massachusetts, United States
$107k-$200k/yr HybridFull Time
2+ YOEMaster's in Computer Science/Engineering (or Bachelor's with 5 years) and 2+ years ML/vision engineering experience; strong Python and C++ skills; experience with CV, NLP, LLMs, SQL, cloud deployments, Agile, and algorithm R&D.
Python, C++, SQL, Computer Vision (CV), Natural Language Processing (NLP), Large Language Models (LLMs), MLOps, LLMOps, Agile
3w
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Senior Site Reliability Engineer I
Boston or Seattle or Atlanta
$134k-$215k/yr HybridFull Time
7+ YOEBachelor's in CS/Engineering, 7+ years software engineering experience, expertise in distributed systems, Kubernetes, cloud (Azure/AWS/GCP), observability, Kafka, Terraform/Pulumi, and experience with agentic AI/LLM tooling preferred.
Kubernetes, Terraform, Pulumi, Kafka, Grafana, Datadog, New Relic, MySQL, Cassandra, PostgreSQL, Azure, AWS, GCP
2w
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Staff Developer Relations Engineer, Google Cloud
Toronto or Waterloo or Seattle or Kirkland or New York or San Francisco or Raleigh or Durham or Cambridge
$192k-$279k/yr OnsiteFull Time
7+ YOEBachelor's in CS or equivalent,7+ years technical experience,3+ years with generative AI/LLMs/ML,cloud experience,developer outreach and technical communication skills.
Google Cloud, Generative AI, LLMs, Machine Learning, Java, Python, C#, Go, JavaScript, Ruby, PHP
3w
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AI Platform Engineer
Somerville, Massachusetts, United States
$100k-$155k/yr HybridFull Time
5+ YOE5+ years building AI/LLM solutions, Bachelor's in CS/Engineering or equivalent, production experience with LLMs, agent frameworks, RAG, prompt engineering, Typescript, RESTful APIs, AWS/GCP, and CI/CD; strong communication and product judgment.
Typescript, RESTful, LLM, RAG, AWS, GCP, CI/CD
1mo
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AI Evaluation Engineer
Bucharest or Boulder or Boston or Chicago or Glendora or Richmond or London or Auckland
lei16k-lei19k/mo HybridFull Time
5+ YOEBachelor's in CS/Data/Math, 5+ years software engineering with focus on testing/evaluation or AI/ML tooling, strong Python, experience building evaluation pipelines and LLM eval concepts, familiarity with RAG and production data pipelines.
RAGAS, LangSmith, PromptFlow, Snowflake, Python, RAG
1w
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Senior AI Security Automation Engineer
Quincy or Toronto or Princeton or Boston or Clifton or Austin
$120k-$203k/yr HybridFull Time
7+ YOE7+ years software engineering, 3+ years building AI/ML/LLM solutions; expertise in cloud-native architectures, RAG, AI evaluation/observability, CI/CD, security, and mentoring engineers.
AWS, Azure, GCP, Jenkins, Harness, Spinnaker, Argo CD, Python, JavaScript/TypeScript, Rust, Go (Golang), Bash, PowerShell, LangGraph, Semantic Kernel, CrewAI, AutoGen, LangChain, Databricks, Snowflake, Spark, Kafka, Delta Lake, Iceberg, Airflow, vector databases
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