Principal Engineer - SaaS ScaleUp (Remote, Share Options)

Stack and Co; Ireland; Remote; EUR 120,000 - 170,000; Full time

Benefits offered by this job

Share options

Full benefits

Job summary

Stack and Co in Ireland is seeking a Principal Engineer for a fast-growing SaaS scale-up, with remote work from anywhere in Ireland. The role requires leading architecture, driving greenfield projects, and mentoring engineers.

You should be expert in JVM stack (Java/Kotlin/Scala), microservices, and have a track record as Lead/Senior to step into Principal level. This is an urgent, high-impact role with excellent career visibility.

Qualifications

• Strong experience at Principal Engineer level.
• Backend-focused engineering expertise with JVM languages.
• Architectural design and decision-making capabilities.
• Experience leading or mentoring engineers in scale-up environments.
• Proven ability to own greenfield projects and drive technical strategy.

Responsibilities

• Serve as technical anchor for the engineering team and drive architectural decisions.
• Lead greenfield projects and define the tech stack and roadmap.
• Mentor and guide engineers, fostering best practices and code quality.
• Deliver scalable, reliable backend systems using a JVM stack.
• Collaborate with product and leadership to align technical direction.

Skills

Principal Engineer experience

Backend engineering

Architect ability

JVM languages

Java

Kotlin

Scala

Microservices

Lead/Senior ready to step up

Job description

Stack and Co in Ireland is seeking a Principal Engineer for a fast-growing SaaS scale-up, with remote work from anywhere in Ireland. The role requires leading architecture, driving greenfield projects, and mentoring engineers.

You should be expert in JVM stack (Java/Kotlin/Scala), microservices, and have a track record as Lead/Senior to step into Principal level. This is an urgent, high-impact role with excellent career visibility.