PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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AI Software Engineer
Fort Collins or San Jose
$110k-$176k/yr OnsiteFull Time
8+ YOEBachelor's in CS/Applied Math or related, 8+ years in AI/ML system development and deployment, experience integrating commercial AI/LLM tools and agents, proficiency with VLSI design flows, strong collaboration and pragmatic delivery skills.
Large Language Model (LLM) agents, MCP protocol, VLSI
5d
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Principal AI Engineer
Pleasanton or Seattle or Atlanta or Vancouver or Boulder or San Francisco or Toronto
$246k-$370k/yr HybridFull Time
10+ YOE10+ years software engineering experience with distributed systems and cloud; 2+ years integrating LLMs and building AI orchestration; expertise in system design, Responsible AI, and mentoring senior engineers.
LLMs, Foundation Models, modern AI APIs, AWS, GCP
1w
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Principal AI Engineer
Fort Collins, Colorado, United States
$147k-$231k/yr OnsiteFull Time
7+ YOE7+ years AI/software engineering experience, strong customer engagement background, deep hands-on experience with LLMs, agentic workflows, model evaluation, and AI observability; excellent communication and leadership of complex programs.
LLMs, RAG, model fine-tuning, agentic workflows
1mo
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Senior AI Engineer
Spring or Fort Collins
$137k-$315k/yr HybridFull Time
3+ YOE3+ years of software engineering; experience with AI coding tools; automation tooling; Git/CICD workflows; strong communication; growth mindset.
Python, Git, GitHub Copilot, ChatGPT, Claude, CI/CD, Scripting
1mo
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Senior AI Engineer
Spring or Fort Collins
$137k-$315k/yr HybridFull Time
3+ YOE3+ years software engineering; practical AI coding tool experience; automation/tooling delivery; Git-based workflows; strong communication; adaptable to ambiguity.
Git, GitHub Copilot, ChatGPT, Claude, CI/CD, Python
4h
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Software Engineer III, Generative AI, Workspace Drive
Boulder, Colorado, United States
$147k-$211k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent experience, 2+ years software development, experience with GenAI/LLMs or related concepts, data structures and algorithms knowledge, strong communication and problem-solving skills.
1w
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Staff Software Engineer
Broomfield, Colorado, United States
$145k-$185k/yr HybridFull Time
10+ YOE10+ years full‑stack software engineering experience; deep Ruby on Rails and Vue.js expertise; API and MySQL proficiency; proven technical leadership and mentoring; experience with AI-assisted development tools.
Ruby on Rails, ActiveRecord, Vue.js, MySQL, GitHub Copilot, Cursor, Claude Code, Go (Golang), Node.js, Anthropic, OpenAI, AWS, OpenSearch, Redis, Kafka, Docker, CI/CD
1w
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Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$94k-$130k/yr HybridFull Time
2+ YOEBachelor's in CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, RTOS, AI/ML
2mo
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Principal Software Engineer
Boulder or New York City
$200k-$240k/yr HybridFull Time
10+ YOE10+ years software engineering; 5+ years adtech infrastructure; backend focus; experience with AI tooling; distributed systems; OpenRTB knowledge.
Java, Kafka, Redpanda, AWS, Databricks, Datadog, ONYX
2mo
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Senior AI Platform Engineer
Boulder or United States
$175k-$215k/yr HybridFull Time
Senior AI Platform Engineer to build AI enablement tools, collaborate with executives and product, and drive AI tooling and observability across Campminder.
RAG, prompt engineering, context engineering, LLM evals, Claude Code, Cursor, MCPs, custom agents, skills/plugins, agentic coding tools
4w
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Principal AI/ML Engineer, Validation Strategy & Test Architecture
Longmont or Boise
$134k-$247k/yr OnsiteFull Time
8+ YOE8+ years industry experience with a Bachelor's in a technical field; 7+ years software development using Python; strong ML fundamentals, model evaluation, feature engineering, hands-on with scikit-learn/TensorFlow/PyTorch, production deployment experience.
Python, scikit-learn, TensorFlow, PyTorch, Large Language Models (LLMs)
2mo
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Applied AI Engineer ( Remote - North American Timezones)
Boulder or New York
$125k-$200k/yr RemoteFull Time
3+ YOEProven experience shipping LLM-backed systems, data and platform expertise, and strong software engineering skills.
PostgreSQL, Supabase, Search and Retrieval Systems, Embeddings, Ranking, Chunking, Workflow Orchestration, Queues, IDEMPOTENT JOBS, CI/CD, Render, TypeScript, React, Next.js, API Design
1mo
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Senior AI Engineer
Spring or Fort Collins
$137k-$315k/yr HybridFull Time
3+ YOE3+ years software engineering; experience with AI coding tools; automation/dev tooling; strong communication; Git-based workflows; growth mindset.
Git, CI/CD, Python
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
2mo
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AI Engineering Intern
Boulder, Colorado, United States
$17-$25/hr OnsiteFull Time, Internship
Pursuing or recently completed BS/MS in CS, engineering or related; strong Python; familiarity with machine learning/AI, APIs, and backend development via internships, coursework or research.
Python
1w
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AI Data Analytics Engineer
Fort Collins, Colorado, United States
$102k-$147k/yr OnsiteFull Time
BillGO: Digital bill payment network for businesses and consumers.
3+ YOE3+ years building production data or software products with analytics engineering and applied AI; proficiency in Python and SQL; experience with data warehouses, dbt, LLMs, and model evaluation.
Python, SQL, Snowflake, BigQuery, Redshift, dbt, LLM APIs, vector databases, embeddings, LangChain, LangGraph, Retrieval-Augmented Generation (RAG)
2mo
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AI Solutions Analyst
Greeley, Colorado, United States
$91k-$127k/yr OnsiteFull Time
Bachelor's degree or 4 years of AI/automation design and deployment experience; expertise in agentic AI, LLM orchestration, Copilot Studio, Power Platform, Python, cloud AI services; background check required.
Microsoft Copilot Studio, Power Automate, Azure AI services, Semantic Kernel, AutoGen, LangChain, Azure OpenAI, Azure Logic Apps, M365, SharePoint, Python, JavaScript, PowerShell
3w
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Applied AI Specialist, Commercial Customer Success
United States or Alaska or California or Connecticut or Georgia or Maryland or Massachusetts or New Jersey or New York or Rhode Island or Austin or Boulder or Chicago or Dallas or Denver or Houston or Seattle or Washington
$106k-$142k/yr RemoteFull Time
3+ YOE3+ years technical/software experience including 1+ year building production LLM agents; Python proficiency; experience integrating AI with CRMs/APIs; B2B SaaS experience; ability to define eval frameworks and monitor production agents.
Python, Salesforce, Samsara platform, Anthropic Claude, Gainsight, Tofu
4w
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Principal AI/ML Engineer, Validation Strategy & Test Architecture
Longmont or Boise
$134k-$247k/yr OnsiteFull Time
8+ YOE8+ years industry experience with a Bachelor's in a technical field; 7+ years software development using Python; hands-on ML experience with scikit-learn, TensorFlow, or PyTorch; experience deploying and maintaining production ML models.
Python, scikit-learn, TensorFlow, PyTorch, Large Language Models (LLMs), MLOps, CI/CD
2mo
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Senior System Software Architect, Enterprise Reference Architectures
Santa Clara or Westford or Austin or Boulder
$208k-$328k/yr OnsiteFull Time
12+ YOE12+ years software/infrastructure architecture; 3+ years microservices; experience in AI, HPC, or cloud-native infra; GPU-accelerated systems; on-prem and cloud deployments.
Kubernetes, Docker, Kafka, RabbitMQ, NVLink, PCIe, InfiniBand, Ethernet, RoCE, Python, C++, CUDA
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