Senior Full-Stack Software Engineer, AI Core

Circle

Remote · worldwide, UTC+4 acceptedSalary not disclosedfull-timeVerified 1w agoHimalayas

We’re proud to be a fully remote company of around 200 (and growing!) team members from 30+ countries around the world. We seek exceptional individuals around the world, set them up to do the best work of their lives, and in turn, create a meaningful impact in their own lives.

Responsibilities

Ship full-stack AI projects end-to-end on a product built in Ruby on Rails backend and React frontend.
Design and run experiments (including A/B tests, AI evaluations, or others) to validate AI features, measure impact, and guide iteration.
Build and integrate components for AI infrastructure and optimize them for performance and reliability to support production-level inferencing.
Improve processes, tools, and systems to scale AI features into production-ready solutions.
Help us stay up-to-date with the cutting-edge AI research, techniques, and tools.
Work closely with Circle's leaders and designers throughout the feature design process.
Foster a bias for action by prioritizing speed of iteration, experimentation, and learning, while maintaining high standards of code quality and user experience.

Languages

Work format: Remote
Seniority: Senior
Posted: 15 Aug 2026 (1w ago)
Last verified: 17 Aug 2026
Apply by: 14 Oct 2026

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