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Open nowPosted 627 days ago

Senior Software Engineer

heymilo3 open roles

Pay
$160,000 – $250,000 a yearly
Where
Canada
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Your applicationOpen nowSenior Software Engineerheymilo · Canada

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  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: posted 627 days ago

The posting

HeyMilo is building the next-generation AI interviewing platform, enabling companies to conduct thousands of interviews in parallel while ensuring high-quality insights helping drive hiring decisions.

We're looking for a Senior Software Engineer (Core Platform & AI Insights) to optimize the quality of our insights and analysis, ensuring that our AI generates accurate, high-value hiring recommendations.

This role is not focused on UX or frontend, but rather on data quality, inference accuracy, and AI-driven insights at scale.

Who You Are

  • Hold a Computer Science/Engineering degree from a top university in the U.S. or Canada
  • 3+ years of software engineering experience including internships with at least 1+ years of experience with LLMs.
  • AI & Data Expert – You understand how to extract meaningful insights from AI-generated data.
  • Scalability & Observability Focused – You design systems that scale, ensuring fast response times and deep observability.
  • API & Backend Architect – You know how to design and optimize APIs, ensuring clean handoffs to front-end teams.
  • Strategic & Hands-On – You can delegate frontend work while also having the ability to jump in and build when needed.
  • Eager and Hungry: You thrive in a fast-paced environment at a high-growth company that’s looking to lead in the conversational ai recruiting vertical.

What You’ll Do

  • Optimize AI-generated insights to ensure high accuracy and relevance for hiring decisions.
  • Build scalable AI pipelines that process thousands of interviews efficiently.
  • Implement robust observability to track the performance and reliability of AI-driven insights.
  • Architect high-performance APIs that integrate with AI workflows and hiring systems.
  • Ensure seamless handoff of features to front-end engineers while maintaining flexibility to build UI components when necessary.
  • Experiment with AI techniques, data embeddings, and ML-driven hiring models to improve platform intelligence.

Technical Expertise

  • Backend: Python, FastAPI, Redis, ClickHouse, Airflow
  • AI & ML: Prompt chaining, inference pipelines, vector databases (Pinecone)
  • Scalability & Observability: High-throughput ML inference, OpenTelemetry, InfluxDB, PostHog
  • Cloud & APIs: AWS, OpenAI, Gemini, Anthropic, ElevenLabs, Twilio

What’s In It for You

  • Work on cutting-edge AI inference and prompt engineering challenges.
  • Help shape how AI-powered hiring decisions are made at scale.
  • Competitive salary, equity, and opportunities for growth in an AI-first company.
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