ActionTrace

Technology

SeniorFullstackEngineer

Ireland FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Fullstack Engineer at ActionTrace. Skills: Ruby on Rails, JavaScript, system design, testing methodologies, AI/LLM integration. Design, build, and maintain scalable fullstack features across web and desktop applications. Develop clean, efficient, and testable backend code. Collaborate with cross-functional teams to define technical requirements and translate business needs into engineering solutions. Participate in code reviews, debugging, and system improvements. Contribute to architectu”

What You'll Achieve.

Deliver production-ready features. Enhance overall code quality and platform performance. Influence architecture and product direction.

Industry & Context.

Technology
Problems you'll solve

system design; evaluate trade-offs

What They're Looking For.

Must Have

5+ years of experience with Ruby and Ruby on Rails in production environments. 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. Communication skills in English and ability to collaborate effectively in remote, distributed teams. Analytical thinking with the ability to evaluate trade-offs across performance, security, and maintainability.

Nice to Have

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.

What You'll Do.

Design, build, and maintain scalable fullstack features across web and desktop applications.

Develop clean, efficient, and testable backend code.

Collaborate with cross-functional teams to define technical requirements and translate business needs into engineering solutions.

Participate in code reviews, debugging, and system improvements.

Contribute to architecture discussions and technical decision-making.

Mentor peers and contribute to improving engineering practices, documentation, and team workflows.

Explore and integrate AI/LLM-based tools and workflows.

How You'll Work.

Team & Collaboration

Collaborate with cross-functional teams. Ability to collaborate effectively in remote, distributed teams.

Communication Scope

English

Full Job Description

## 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

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