Remote Software engineering Jobs · Infrastructure

• Maintain and modernize our Rails stack, including dependency upgrades, performance optimization and security enhancement
• Build internal tools, SDKs, and libraries to improve developer experience and infrastructure scalability
• Partner with your front-end counter-parts and SREs to support observability, performance, and reliability initiatives

Circle is building the world’s leading all-in-one platform for online communities. They make it possible for creators, coaches, educators, and businesses to bring together their audience with engaging discussions, live streams, events, chat, courses, and payments — all in one place, all under their own brand. They’re proud to be a fully remote company of around 200 (and growing!) team members from 30+ countries around the world.

• Contribute to new Agentic AI Agents and manage the safe release to customers.
• Address UXD, infrastructure, and machine learning challenges across the stack.
• Own projects spanning months, breaking problems into iterative steps for delivery and validation.

They are the world’s leading AI video platform for business, used by over 90% of the Fortune 100. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development.

• Lead the technical direction across multiple teams, focusing on innovative solutions.
• Play a critical role in shaping the engineering culture and driving the implementation of AI tooling.
• Execute large-scale infrastructure projects while collaborating with Product and other teams.

Columbia General is dedicated to improving lives through technology. While the company size is not explicitly mentioned, it values innovative solutions and engineering culture.