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
3d
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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
5d
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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
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
1mo
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Full Stack Software Engineer - AI Native
Westminster, Colorado, United States
$145k-$199k/yr HybridFull Time
3+ YOE3+ years professional software engineering experience, full-stack proficiency (Python, React), cloud experience (AWS or Microsoft Azure), AI-native tooling experience (Cursor, GitHub Copilot, Gemini CLI), automated testing and CI/CD familiarity.
Cursor, GitHub Copilot, Gemini CLI, Python, React, AWS, Microsoft Azure
1mo
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Software Engineer (5-8 yrs)
Westminster, Colorado, United States
$114k-$132k/yr OnsiteFull Time
5+ YOEB.S. or equivalent, 5-8 years developing spacecraft/mission control software, proficiency with C++ or Python, CI/CD and Kubernetes knowledge, mentoring experience, and U.S. work authorization (citizen or permanent resident).
C++, Python, CI/CD, Kubernetes, 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
1w
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Principal Software Engineer, Age
Boulder or New York or San Jose
$307k-$428k/yr OnsiteFull Time
15+ YOE8+ MgmtBachelor's in CS/Engineering or equivalent, 15+ years software engineering experience, 8+ years leading teams, EMR not mentioned, strong AI/ML and classifier experience, excellent communication and leadership.
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
1mo
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IT Software Developer, Staff (Apigee)
San Diego or Boulder
$115k-$192k/yr OnsiteFull Time
5+ YOEOnsite developer for Apigee API platform requiring 4-6 years Apigee experience, expertise with REST/OAuth2/JWT/mTLS, Kubernetes, GCP/AWS, CI/CD (GitHub Actions), Java/Python/JavaScript, and 5+ years IT experience (see degree/experience alternatives).
Apigee Hybrid, Apigee X, Apigee, Apigee Policies, JavaScript, Java, Python, REST, OAuth2, JWT, mTLS, OKTA, OpenAPI, Swagger, GCP, AWS, Kubernetes, YAML, Helm, GitHub Actions, AI
3w
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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
3mo
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Staff Applied AI Engineer
Westminster, Colorado, United States
$124k-$206k/yr OnsiteFull Time
5+ YOE5+ years building data-driven or ML-powered systems; strong Python; experience with optimization and RL; U.S. Citizenship required.
Python, Optimization, Simulation, Reinforcement Learning, Geospatial skills
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
5d
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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)
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