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This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Fullstack Engineer (ActionTrace) based in Ireland.
This role sits at the intersection of product engineering, scalability, and intelligent automation, contributing to a platform designed to optimize and automate complex enterprise workflows. You will work on both web and desktop applications with a strong emphasis on performance, maintainability, and data-driven systems. The environment is fast-paced, remote-first, and highly collaborative, bringing together distributed engineering talent across Europe and beyond. You will be part of a team building systems that increasingly leverage AI and large-scale data processing to solve real operational challenges. This position is ideal for an engineer who enjoys deep technical ownership and building production-grade systems end-to-end. You will have the opportunity to influence architecture, improve engineering practices, and shape product direction in meaningful ways.
- Design, build, and maintain scalable fullstack features across web and desktop applications using Ruby on Rails and modern JavaScript frameworks.
- Develop clean, efficient, and testable backend code, ensuring high reliability and maintainability across the platform.
- Collaborate with cross-functional teams to define technical requirements, translate business needs into engineering solutions, and deliver production-ready features.
- Participate in code reviews, debugging, and system improvements to enhance overall code quality and platform performance.
- Contribute to architecture discussions and technical decision-making for scalable system design.
- Mentor peers and contribute to improving engineering practices, documentation, and team workflows.
- Explore and integrate AI/LLM-based tools and workflows to improve development efficiency and product capabilities.
Requirements
- 5+ years of experience with Ruby and Ruby on Rails in production environments.
- Strong frontend skills with JavaScript and experience using Hotwire or similar modern frontend approaches.
- Solid understanding of software engineering principles including OOP, testing methodologies, and system design.
- Experience building and maintaining scalable, test-driven applications in fast-paced environments.
- Familiarity with big data systems such as ClickHouse or Apache Cassandra is a plus.
- Exposure to AI/ML concepts or LLM-based development workflows is highly valued.
- Strong communication skills in English and ability to collaborate effectively in remote, distributed teams.
- Strong analytical thinking with the ability to evaluate trade-offs across performance, security, and maintainability.
Benefits
- Fully remote position in a globally distributed engineering team
- Opportunity to work on a complex, high-scale automation and data platform
- High technical ownership with real influence on architecture and product direction
- Exposure to AI/LLM-driven engineering workflows and modern tooling
- Strong engineering culture focused on feedback, learning, and continuous improvement
- Competitive compensation aligned with experience
- Challenging technical environment with significant growth opportunities
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