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Altruist

Senior Back End Engineer, Hazel AI

Altruist · San Francisco, CA

Posted about 3 months ago

or apply directly on Altruist's site. We never take the application ourselves.

Is this posting real?

This role has been open
82 days
Altruist's roles stay open a median of 74 days
Reposted
No
Salary listed
No
10% of Altruist's roles list one
Ghost-job risk at Altruist
high
77 stale, 0 reposted of 81 open
Hiring momentum
98 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-24

Measured from postings appearing on and disappearing from Altruist's own greenhouse board since 2026-08-03. Full hiring picture for Altruist.

About this role

As a Senior Back End Engineer at Hazel AI, you will be responsible for building the AI engine that powers the product, focusing on connecting to user systems, parsing data, and delivering actionable insights. Your role will involve designing robust systems, optimizing data pipelines, and collaborating with product managers to create effective AI solutions. Additionally, you will mentor other engineers and stay updated on the latest developments in machine learning and AI.

Our read on this posting2.6out of 5
benefits
4/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Altruist as an employer.

What you need

  • 6+ years of experience building ML systems at scale in a production setting
  • Experience with ranking or recommender systems, generative AI products, or vector databases
  • Bachelor's or Master's degree in Computer Science, Machine Learning, Data Science, or a related field
  • Deep understanding of data structures, algorithms, and software engineering principles
  • Excellent problem-solving skills and ability to simplify complex problems
  • Intentional communication skills

Nice to have

  • Familiarity with statistical and mathematical underpinnings of machine learning and large language models

What you get

  • Competitive total compensation
  • Premium healthcare, dental, and vision insurance plans
  • 401k savings plan with a 4% match and immediate vesting
  • 16 week paid parental leave after one year of employment
  • Professional growth and development opportunities
  • Company perks program

Worth weighing

  • Hybrid work model with four in-office days per week
  • Salary range provided is $200,000 - $250,000 USD
  • Focus on building AI systems in a regulated industry
  • Fast-paced environment with a rapidly growing user base

Summarised from Altruist's posting. Read the full original.

Listed by Altruist on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

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