Find Principal engineer digital design Jobs in Ireland

Software Architect
Holafly —Dublin, County Dublin
- Remote
- Spanish
- System design
- English
Mixed-Signal Digital Design Engineer - Cork, Ireland
Qualcomm —Cork, County Cork
- Doctoral degree
- Engineering
- Master's degree
- Employee stock purchase plan
Principal Engineer, Product Applications
Analog Devices —Limerick, County Limerick
- Full-time
- Doctoral degree
- Computer Science
- Master's degree
Principal Test Engineer - Product Development
Analog Devices —Limerick, County Limerick
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Principal Mechanical Engineer
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Remote
Principal Engineer, Component Engineering
Analog Devices —Glasnevin, County Dublin
- Full-time
- Doctoral degree
- Master's degree
- Electrical Engineering
Principal Engineer, Reliability Engineering
Analog Devices —Limerick, County Limerick
- Full-time
- Doctoral degree
- Master's degree
- Electrical Engineering
7d
Principal Electrical Engineer
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Project management
- Electrical Engineering
Head of Architecture and Engineering Operations
EXL Service —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Azure
- Computer Science
Digital Experience Engineer (Marketing)
Supermetrics —Dublin, County Dublin
- JavaScript
- AI
- Analytics
Quick apply
Principal Engineer Product Applications
Analog Devices —Limerick, County Limerick
- Full-time
Senior Hardware Design Engineer – PCB & Reference Platforms - Cork, Ireland
Qualcomm —Cork, County Cork
- Doctoral degree
- Engineering
- Master's degree
- Employee stock purchase plan
3d
Principal Information Security Engineer - Blockchain Technology
Mastercard —Dublin, County Dublin
- Full-time
- Computer Science
- Bachelor's degree
- No degree
Principal MTS– Distributed Data Platform
eBay Inc. —Dublin, County Dublin
- Full-time
- Java
- AI
- Communication skills
ASIC Modelling Engineer - Cork, Ireland
Qualcomm —Cork, County Cork
- Engineering
- C++
- Bachelor's degree
- Employee stock purchase plan
Structural Engineer
Tetra Tech —Ballincollig, County Cork
- Hybrid work
- Continuous improvement
- Civil Engineering
Electrical Engineer (Principal/Senior)
Mott MacDonald —Dublin, County Dublin
- Full-time
- Hybrid work
- System design
- English
- Master's degree
- Annual leave
- Life insurance
Senior Systems Engineer
Innalabs —DUBLIN 15, County Dublin
- Full-time
- Engineering
- Data analysis skills
- System design
- Free parking
- Annual leave
Quick apply
11d
Systems Integration Engineering
Analog Devices —Limerick, County Limerick
- Full-time
- Doctoral degree
- Master's degree
- Bachelor's degree
Principal Town Planner
AECOM —Galway, County Galway
- Full-time
- Hybrid work
- Presentation skills

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Software Architect

Holafly -
Dublin, County Dublin

Apply Now

Job details

Qualifications

Spanish
Node.js
React
System design
English
Google Cloud Platform
Distributed systems
Terraform
REST
Django
Python

Full job description

Company Overview

Holafly is a high-growth scale-up revolutionising how businesses and travellers connect to the internet abroad. Since 2018, we’ve empowered travellers in over 200 destinations worldwide with secure and reliable eSIM solutions. With a team of 500+ professionals across multiple countries, we are scaling globally to support travellers with seamless, unlimited data connectivity.

We’re not just connecting people—we’re enabling freedom and peace of mind, ensuring our users stay connected from the second they land, wherever their journey takes them.

The Role

We're looking for a Software Architect to join our SME team — a group of senior technical leaders who act as the connective tissue between our engineering squads, setting standards, reviewing critical design decisions, and driving architectural evolution across Holafly's platform.

This is not a management role. This is a deeply technical, high-influence position for someone who loves solving hard problems, cares about system design at scale, and can communicate clearly with both engineers and stakeholders.

What You'll Do

Design and review highly available, resilient architectures across Holafly's distributed systems.
Lead architectural decisions for high-traffic, high-demand environments — we serve millions of concurrent users.
Define and evolve patterns for event-driven architectures using async messaging, queues, and streaming.
Establish and enforce REST API design standards, including versioning, contracts, and documentation strategies.
Apply Domain-Driven Design (DDD) principles to help teams define clear bounded contexts, aggregates, and domain events.
Collaborate with engineering squads on technical design, code reviews, and architectural fitness functions.
Guide the platform's evolution across our full stack: React SPAs, Node.js BFFs, Python/Django/Celery microservices, and Flutter mobile apps.
Ensure infrastructure best practices across GCP, using Terraform, Helm, and ArgoCD for reliable, scalable deployments.
Champion digital and web security practices — secure-by-design, threat modeling, and compliance.
Act as a trusted SME and escalation point for squads facing complex technical challenges.

What We're Looking For

Required

Proven experience as a Software Architect or Principal/Staff Engineer in high-scale production environments.
Deep knowledge of high availability and resilience patterns: circuit breakers, bulkheads, graceful degradation, multi-region strategies.
Experience designing systems for high-demand, high-concurrency use cases at scale.
Strong hands-on background with event-driven architectures: message brokers, event sourcing, CQRS, async workflows.
Solid REST API design expertise — contract-first, versioning, OpenAPI/Swagger, backward compatibility.
Applied knowledge of Domain-Driven Design: bounded contexts, ubiquitous language, aggregates, domain events.
Familiarity with the Holafly tech stack, or the ability to ramp up quickly across it.
Strong digital/web security background: OWASP, zero-trust, auth patterns (OAuth2, JWT), API security, data protection.
English is mandatory — you'll work with a distributed, international team and write architectural documentation in English.

Nice to Have

Experience with Spec-Driven Development (OpenAPI-first, AsyncAPI) — bonus points if you've integrated AI tooling into that workflow.
Spanish language skills are a plus, given our presence in Spanish-speaking markets and the composition of our team.

You'll Thrive Here If You

Can zoom out to see system-wide implications and zoom in to review a pull request.
Write and communicate as clearly as you code — architecture docs, RFCs, and ADRs are part of the job.
Are opinionated but not rigid — you can defend a position and change your mind with new evidence.
Care about developer experience as much as system performance.
Are comfortable with ambiguity and enjoy shaping technical direction, not just executing it.

Tech Stack

Our platform is mobile-first and cloud-native. You'll be working across:

Frontend: React (SPA), Backend for Frontend: Node.js (BFF pattern), Microservices: Python · Django · celery, Mobile: Flutter (app-first), Cloud: Google Cloud Platform (GCP), Infrastructure as Code: Terraform, Deployment: Helm · ArgoCD (GitOps), Architectural style: Event-driven · REST APIs · DDD

Apply Now

Refine Your Search

principal engineer digital design jobs in ireland

Software Architect

Mixed-Signal Digital Design Engineer - Cork, Ireland

Principal Engineer, Product Applications

Principal Test Engineer - Product Development

Principal Mechanical Engineer

Principal Engineer, Component Engineering

Principal Engineer, Reliability Engineering

Principal Electrical Engineer

Head of Architecture and Engineering Operations

Digital Experience Engineer (Marketing)

Principal Engineer Product Applications

Senior Hardware Design Engineer – PCB & Reference Platforms - Cork, Ireland

Principal Information Security Engineer - Blockchain Technology

Principal MTS– Distributed Data Platform

ASIC Modelling Engineer - Cork, Ireland

Structural Engineer

Electrical Engineer (Principal/Senior)

Senior Systems Engineer

Systems Integration Engineering

Principal Town Planner

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