Find Staff performance engineer Jobs in Dublin, D

Software Architect
Holafly —Dublin, County Dublin
- Remote
- Spanish
- System design
- English
Staff AI Designer
Intercom —Dublin, County Dublin
- Hybrid work
- Annual leave
- Work from home
Network Lead
PM Group —Dublin, County Dublin
- On call
- Computer Science
- Analysis skills
- Bachelor's degree
Product Development Senior Group Manager (Director)
Citi —Dublin, County Dublin
- €130,000 a year
- Full-time
- Hybrid work
- Master's degree
- Project management
- Bachelor's degree
Lead Software Engineer
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Oracle
- Java
- SQL
Administrator
GMC Utilities Group —Dublin, County Dublin
- Full-time
- Customer service
- Analysis skills
- No degree
Quick apply
Senior Fire Investigator - Ireland
Jensen Hughes —Dublin, County Dublin
- Remote
- Research
- Analysis skills
- Communication skills
Electrician, Installations & Servicing
Electro Automation —Dublin, County Dublin
- Full-time
- No degree
Process Engineer - Anaerobic Digestion
SLR Consulting —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Excel
- Engineering
- Annual leave
- Life insurance
Senior Associate, IT, AzureOps Engineer
MUFG Investor Services —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- DevOps
- Annual leave
- Gym membership
Quick apply
4d
Staff SRE, Ads
Reddit —Dublin, County Dublin
- On call
- Remote
- Linux
- Communication skills
- Python
- Annual leave
Quick apply
Design Engineer (Electrical) REF: 2627b
Fingleton White —Dublin, County Dublin
- Overtime
- Hybrid work
- Engineering
- English
- Microsoft Office
- Employee assistance program
Quick apply
Senior Network Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Project management
- Bachelor's degree
- Agile
Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin
Hadfield Green —DUBLIN 2, County Dublin
- Communication skills
- Python
Renewables Portfolio Lead Ireland
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- Engineering
- Business development
- Bachelor's degree
Transport Engineer
Jacobs —Dublin, County Dublin
- Hybrid work
- Engineering
- Mentoring
- Leadership
- Annual leave
Principal Electrical Engineer
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Project management
- Electrical Engineering
Staff AI Product Manager
Intercom —Dublin, County Dublin
- Hybrid work
- AI
- Communication skills
- Annual leave
- Work from home
Senior Backend Monetization Engineer
Feeld —Dublin, County Dublin
- Full-time
- Remote
- Analytics
- Annual leave
Quick apply
Senior Staff Machine Learning Scientist, Recommendations
Adswizz —Dublin, County Dublin
- Full-time
- Doctoral degree
- Java
- Master's degree

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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

staff performance engineer jobs in dublin, d

Software Architect

Staff AI Designer

Network Lead

Product Development Senior Group Manager (Director)

Lead Software Engineer

Administrator

Senior Fire Investigator - Ireland

Electrician, Installations & Servicing

Process Engineer - Anaerobic Digestion

Senior Associate, IT, AzureOps Engineer

Staff SRE, Ads

Design Engineer (Electrical) REF: 2627b

Senior Network Engineer

Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin

Renewables Portfolio Lead Ireland

Transport Engineer

Principal Electrical Engineer

Staff AI Product Manager

Senior Backend Monetization Engineer

Senior Staff Machine Learning Scientist, Recommendations

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