Find Staff software engineer, ruby on rails Jobs in Dublin, D

Software Architect
Holafly —Dublin, County Dublin
- Remote
- Spanish
- System design
- English
Software Engineer Manager
Elwood Roberts —Dublin, County Dublin
- €500–€600 a month
- Full-time
- Microsoft Excel
- Java
- AWS
Quick apply
Technical Support Engineer
Intercom —Dublin, County Dublin
- Full-time
- Hybrid work
- JavaScript
- No degree
- Communication skills
- Annual leave
- Work from home
Staff/Principal Product Designer
Intercom —Dublin, County Dublin
- Hybrid work
- System design
- Annual leave
- Work from home
Lead Software Engineer
Elwood Roberts —Dublin, County Dublin
- €400–€500 a day
- Full-time
- Microsoft Excel
- Java
- AWS
Quick apply
Senior Software Engineer, Database - Demonware - Dublin, IRL
Activision —Dublin, County Dublin
- Analysis skills
- No degree
- Agile
Geotechnical/Geoenvironmental Associate
Cundall —Dublin, County Dublin
- €5,930 a month
- Full-time
- Engineering
- Master's degree
- Bachelor's degree
Staff Machine Learning Engineer
Sirius XM —Dublin, County Dublin
- Full-time
- Remote
- Azure
- Computer Science
- Java
Manager, Account Executives, Startups
Anthropic —Dublin, County Dublin
- €265,000–€310,000 a year
- Sales
- Analysis skills
- Bachelor's degree
11d
Staff Machine Learning Engineer
Adswizz —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- Java
Staff Engineer, Firmware Engineering
Analog Devices —Glasnevin, County Dublin
- Full-time
- System design
- Master's degree
- C++
Lead Software Engineer
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Oracle
- Java
- SQL
IT Site Support Engineer | Cork
Philip Lee —DUBLIN 4, County Dublin
- Windows
- Computer networking
- SharePoint
14d
Sr PostgreSQL Engineer
Workday —Dublin, County Dublin
- €86,400–€129,600 a year
- Full-time
- AWS
Systems Engineer (Full Remote)
EXOGROUP —DUBLIN 18, County Dublin
- Full-time
- Spanish
- Computer Science
- English
- Relocation assistance
- Annual leave
Quick apply
14d
Senior Staff Engineer
MongoDB —Dublin, County Dublin
- Hybrid work
- Azure
- Java
- AWS
Project Engineering Management, Sr Staff Engineer
Synopsys —Dublin, County Dublin
- Microsoft Excel
- Engineering
- Master's degree
11d
ASIC Digital Design, Staff Engineer
Synopsys —Dublin, County Dublin
- Master's degree
- Analysis skills
- Bachelor's degree
11d
Engineer
Amey Ltd —DUBLIN 1, County Dublin
- €45,000–€55,000 a year
- Master's degree
- Bachelor's degree
- Annual leave
- Gym membership
Quick apply
VacancyTitle: Graduate Engineer - Water
Nicholas O'Dwyer —Dublin, County Dublin
- Full-time
- Hybrid work
- AutoCAD
- Engineering
- Project management
- Annual leave
- Employee assistance program

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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 software engineer, ruby on rails jobs in dublin, d

Software Architect

Software Engineer Manager

Technical Support Engineer

Staff/Principal Product Designer

Lead Software Engineer

Senior Software Engineer, Database - Demonware - Dublin, IRL

Geotechnical/Geoenvironmental Associate

Staff Machine Learning Engineer

Manager, Account Executives, Startups

Staff Machine Learning Engineer

Staff Engineer, Firmware Engineering

Lead Software Engineer

IT Site Support Engineer | Cork

Sr PostgreSQL Engineer

Systems Engineer (Full Remote)

Senior Staff Engineer

Project Engineering Management, Sr Staff Engineer

ASIC Digital Design, Staff Engineer

Engineer

VacancyTitle: Graduate Engineer - Water

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