Remote Software engineering Jobs · Ruby On Rails

The Engineering Team at Fleetio is expanding and has an opportunity for a Senior Software Engineer to join our AI team. You will work closely with our Engineering and Product leaders to build and drive our AI roadmap. In this role, you will work closely with Product Managers, Designers, and other Engineers to research, plan, design, and build features that leverage AI to make Fleetio’s users more productive.

PagerDuty is building the next generation of our core web platform to enable rapid product innovation, clear domain ownership, and a maintainable, scalable foundation for the future. As the foremost expert in Ruby on Rails, you will bring the latest best practices, patterns, and innovations to our core web platform. You will also define and drive the technical architecture for our web platform, focusing on modularity, scalability, and maintainability using modern Rails patterns and tools.

The Applied AI team at Circle is looking for a strong full-stack engineer to spearhead the development of full-stack AI solutions across Circle, leveraging AI to drive innovation. You will work on exciting projects such as AI agents and Retrieval-Augmented Generation, iterating on real production use cases of LLMs. If you’re excited about rapidly testing ideas and running A/B experiments, this role is for you.

The company is looking for a Senior Software Developer to design, develop and maintain robust back‑end systems, contribute to software architecture planning and write efficient, scalable and maintainable code. The tech stack consists of a Ruby on Rails backend using the graphql‑ruby gem and a customer portal built with Next.js. Spanish is still used for day‑to‑day collaboration.

As a Full Stack Software Developer, you’ll help Rewind build secure, scalable, and high-performing systems that businesses rely on to protect their data and stay resilient. The role includes end-to-end product development, enhancing front-end interfaces using React, and improving product reliability and scalability through thoughtful engineering and automation. Rewind encourages leveraging AI tools to accelerate innovation.

Play a hands-on role in driving Wrapbook's mission to build an outstanding technology company. As a Senior Software Engineer, you will join a collaborative, cross-functional team that delivers features powering the very core of our product: ensuring workers are paid accurately, efficiently, and at scale. You will focus primarily on backend development, transforming complex agreements into reliable, maintainable code that drives our payroll calculation engine.

Join the App Development team to design, build, and maintain scalable, user-friendly web applications that enhance the mortgage experience for customers and internal teams. Work across the full stack in a fast-paced, agile environment, contributing to every stage of the software development lifecycle.

Build progressive web applications and agentic AI systems from the ground up, architecting and developing mission-critical systems that serve defense and logistics operations across mobile and desktop platforms. This role is ideal for engineers who thrive in early-stage environments and want to own the technical foundation of impactful AI-powered products.

As a Senior Full Stack Engineer on the Authorization team at GitLab, you'll build the critical systems that determine who can access what across the entire GitLab platform—impacting millions of users from startups to Fortune 500 enterprises. This role focuses on architecting and implementing GitLab's next-generation Authorization infrastructure, including policy-as-code systems, fine-grained permissions, and performance optimization at massive scale.

The Software Engineer 2 role is for developers who have built a strong foundation in backend engineering and are eager to grow their expertise in designing, developing, and maintaining scalable, cloud-based systems. You’ll collaborate with senior engineers, product managers, and DevOps to deliver reliable and maintainable backend services that power our SaaS applications.