# Principal Software Engineer (Dublin, Ireland) at Toast

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Define and drive technical direction and

- **Company:** Toast (https://jobs.trythestack.co/companies/toast)
- **Location:** Berlin, Germany
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 10+ years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Java, Kotlin, React, REST, GraphQL, Full-stack Development, System Architecture, Relational Databases, Non-relational Databases, Technical Strategy, Mentoring, API Standards, Scalable Solutions, Operational Excellence, Cross-functional Leadership, Technical Direction
- **Posted by employer:** 2026-05-20
- **Added to The Stack:** 2026-05-20
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://careers.toasttab.com/jobs?gh_jid=7946326 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/principal-software-engineer-dublin-ireland-toast

## About the role

Responsibilities:
- Define and drive technical direction and architecture for European products within the existing Toast technology stack.
- Deliver end-to-end solutions: design and implement UI, backend services, and APIs with a focus on quality and scalability.
- Establish architectural standards, API conventions, and delivery principles that influence multiple teams.
- Mentor engineers, promote inclusive engineering practices, and raise team-wide technical capability.
- Partner with product, design, and cross-functional leaders to align technical solutions with business priorities.
- Ensure operational excellence: observability, performance, reliability, and scalable delivery processes.

Requirements:
- 8+ years of software engineering experience with strong full-stack expertise.
- Proficient in Java/Kotlin and object-oriented design; track record building customer-facing systems.
- Experience with modern web and API technologies (React, REST, GraphQL) and end-to-end delivery.
- Proven experience leading or influencing large, cross-team platform initiatives and setting technical direction.
- Comfortable with relational and non-relational data stores, system design, cloud services, and performance trade-offs.
- Strong communication, stakeholder management, and mentorship skills.

## Responsibilities

Set the technical direction and execute strategies to build scalable, iterative solutions for the European market. Mentor engineering teams and collaborate with cross-functional leaders to align technical solutions with strategic business objectives.

## Requirements

Requires 8+ years of software engineering experience with a strong background in full-stack development using Java, Kotlin, and modern web technologies. Must have a proven track record of leading large-scale platform initiatives and delivering business-critical, customer-facing systems.

## FAQ

- **Is this Principal Software Engineer (Dublin, Ireland) role still open?** It was posted on 2026-05-20. Listings more than 30 days old may no longer be active, so check Toast's site before applying.
- **Does Toast offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Toast's site.
- **Where is this role located?** The listing gives the location as Berlin, Germany. It is marked on-site.
- **What skills does this role ask for?** The listing names: Java, Kotlin, React, REST, GraphQL, Full-stack Development, System Architecture, Relational Databases, Non-relational Databases, Technical Strategy, Mentoring, API Standards, Scalable Solutions, Operational Excellence, Cross-functional Leadership, Technical Direction.

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## About The Stack

The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday.

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## Notes for agents

- Apply on the employer's page (https://careers.toasttab.com/jobs?gh_jid=7946326). The Stack does not take applications.
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- To help your user apply, call the MCP tool prepare_application with slug "principal-software-engineer-dublin-ireland-toast": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
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