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EngineeringRemote

Full Stack AI Engineer

Infinity · Remote

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Last seen by MeritLog September 8, 2026Source: AshbySource version: ashby-public-job-posting-v1

MeritLog read this listing from Infinity's Ashby job board and last checked it on September 8, 2026.

Source: the employer's Ashby job board. Open the original listing for current details.

Job details

Work model
Remote
Salary
Not listed by source
Location
Remote

Hiring context

How this role compares at Infinity

Infinity has 20 live roles in MeritLog’s catalog across 5 job families, and 7 of them are in engineering. 5 of those listings publish a pay range, a disclosure rate of 25%.

Infinity concentrates this hiring in:

Counted across the job boards MeritLog tracks, at the time this page was served. Pay comparisons use only listings that publish a complete range in the same currency and period.

What the role asks for

What you'd do

  • Build working prototypes of agentic AI applications, LLM workflows, and full-stack products
  • Experiment quickly across frameworks, open source tools, and low-code stacks
  • Interface directly with product thinkers and founders to distill ambiguous ideas into testable code
  • Contribute to shared internal libraries and the Infinity Commons and add features to Gravity, our software factory platform.
  • Occasionally embed with portfolio companies to support launches or unblock execution
  • Fluency in Python and experience using AI toolkits and APIs
  • Experience rapidly building and iterating on proof-of-concept or MVPs
  • Comfort using a blend of commercial APIs, open source, and low-code tooling to get things done
  • Strong problem-solving skills and analytical intuition

What they're asking for

  • Prior work with AI agents, and a deep familiarity with what it takes to make them work well in production environments.SkillPreferred
  • Experience with frontend development (React, Next.js, etc.)SkillPreferred
  • A background in a STEM discipline, data science, or quant-heavy engineering you'll need to be able to show the impact of your work with statistical significanceSkillPreferred
  • Previous experience in a venture-backed startup or technical founder roleSkillPreferred
  • Asynchronous by default, with tight feedback loops and clear ownershipSkillPreferred
  • High-trust, high-autonomy culture that values shipping, learning, and iteratingSkillPreferred
  • Small, elite team of senior builders with experience across AI, product, and infrastructureSkillPreferred
  • A short note in the application form on why this role fits you Links to past work, projects, or GitHub.SkillPreferred
  • Availability to start the contract phaseSkillPreferred

Parsed by MeritLog from the employer’s own posting. The full description follows below.

Job description

AI ENGINEER (CONTRACT-TO-HIRE) Location: Remote (Global, EST working hours) Start Date: Rolling Please apply using the provided form, candidates who directly email will not be considered. ABOUT THE PROJECT We're building AI-native engineering team within Infinity, a holding company building full-stack AI businesses. We support portfolio companies by: - Rapidly prototyping new product ideas to validate markets - Providing flex capacity during high-growth phases - Maintaining and evolving the Gravity our in house software factory and agent hub that we use to build all software. We’re not a dev shop. We’re a surgical team of builders who move fast, reduce ambiguity, and create leverage across a network of founders building with AI at the core. THE ROLE We’re looking for scrappy, sharp, execution-focused engineers who thrive in high-autonomy environments. You'll be deployed on fast-moving projects; from validating ideas in one-week sprints to helping scale production tools inside early-stage companies. This is a contract-to-hire role. If there’s mutual fit, you’ll transition to a full-time or retainer-based role within the core team. WHAT YOU’LL DO - Build working prototypes of agentic AI applications, LLM workflows, and full-stack products - Experiment quickly across frameworks, open source tools, and low-code stacks - Interface directly with product thinkers and founders to distill ambiguous ideas into testable code - Contribute to shared internal libraries and the Infinity Commons and add features to Gravity, our software factory platform. - Occasionally embed with portfolio companies to support launches or unblock execution WHAT WE’RE LOOKING FOR Required: - Fluency in Python and experience using AI toolkits and APIs - Experience rapidly building and iterating on proof-of-concept or MVPs - Comfort using a blend of commercial APIs, open source, and low-code tooling to get things done - Strong problem-solving skills and analytical intuition Bonus Points: - Prior work with AI agents, and a deep familiarity with what it takes to make them work well in production environments. - Experience with frontend development (React, Next.js, etc.) - A background in a STEM discipline, data science, or quant-heavy engineering you'll need to be able to show the impact of your work with statistical significance - Previous experience in a venture-backed startup or technical founder role HOW WE WORK - Asynchronous by default, with tight feedback loops and clear ownership - High-trust, high-autonomy culture that values shipping, learning, and iterating - Small, elite team of senior builders with experience across AI, product, and infrastructure HOW TO APPLY Send us: - A short note in the application form on why this role fits you Links to past work, projects, or GitHub. - Availability to start the contract phase We’ll move quickly. If it feels like a fit, you’ll be coding real things with us within a week.

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