Find Stack developer Jobs in Ballymun, D

Software Architect
Holafly —Dublin, County Dublin
- Remote
- Spanish
- System design
- English
AI Research Engineer/Scientist (OpenVINO, NNCF)
Intel —Leixlip, County Kildare
- €76,900–€120,100 a year
- Full-time
- Doctoral degree
- Computer Science
- English
Lead Software Engineer (Python, Node.js, AWS, AI/ML)
Ellucian —DUBLIN 4, County Dublin
- Full-time
- Java
- Master's degree
- AWS
- Annual leave
- Referral programme
Full Stack Engineer
EXL Service —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Master's degree
- JavaScript
Forward Deployed Engineer IV, Generative AI, Google Cloud
Google —Dublin, County Dublin
- €150,000–€154,000 a year
- Full-time
- Doctoral degree
- Computer Science
- Engineering
Senior II Frontend Engineer
Ethyca —Dublin, County Dublin
- Full-time
- JavaScript
- AI
- Communication skills
Quick apply
Senior System Software Engineer - WSD
Microsoft —Dublin, County Dublin
- €77,400–€130,000 a year
- Full-time
- Computer Science
- Windows
- C++
Forward Deployed Engineer III, Generative AI, Google Cloud
Google —Dublin, County Dublin
- €122,000–€126,000 a year
- Full-time
- Microsoft Excel
- Doctoral degree
- Computer Science
12d
Senior Developer, Agentic AI Engineering
Workday —Dublin, County Dublin
- €86,400–€129,600 a year
- Full-time
- Computer Science
- Java
- Master's degree
Senior Full Stack Engineer - Team Web
Intercom —Dublin, County Dublin
- Hybrid work
- Computer Science
- AWS
- Bachelor's degree
- Annual leave
- Work from home
Lead Java Developer
Citi —Dublin, County Dublin
- €93,280 a year
- Full-time
- Hybrid work
- Oracle
- Java
- Master's degree
9d
Fullstack Developer - Python
Citco —Dublin, County Dublin
- Full-time
- Computer Science
- Master's degree
- AWS
Senior Full-Stack Developer
G MASS —Dublin, County Dublin
- Hybrid work
- Computer Science
- Engineering
- Java
Quick apply
Senior Java Developer
Citi —Dublin, County Dublin
- €71,440 a year
- Full-time
- Hybrid work
- Oracle
- Java
- Master's degree
10d
Erasmus Web Developer
Stay Planet —Dublin, County Dublin
- Computer Science
- Sales
- DevOps
Quick apply
Manager, Sales Development - EMEA
Anthropic —Dublin, County Dublin
- €1 a year
- Spanish
- Sales
- Salesforce
6d
Full Stack Developer
Version 1 —Dublin, County Dublin
- €45,000–€60,500 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- DevOps
- Employee assistance program
- Employee discount
Quick apply
9d
Senior Full-Stack Developer
Citi —Dublin, County Dublin
- €71,440–€107,160 a year
- Full-time
- Hybrid work
- Computer Science
- DevOps
- Java
9d
AI & Data - AI Lab: AI Engineer - Agentic & Generative Intelligence - Senior/Assistant Manager
EY —DUBLIN 2, County Dublin
- Hybrid work
- Azure
- Master's degree
- AWS
- Gym membership
Junior Business Analyst, IT & Digital
Brown Thomas Arnotts —Dublin, County Dublin
- Bachelor's degree
- No degree
- Agile
- Store discount
- Annual leave

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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

stack developer jobs in ballymun, d

Software Architect

AI Research Engineer/Scientist (OpenVINO, NNCF)

Lead Software Engineer (Python, Node.js, AWS, AI/ML)

Full Stack Engineer

Forward Deployed Engineer IV, Generative AI, Google Cloud

Senior II Frontend Engineer

Senior System Software Engineer - WSD

Forward Deployed Engineer III, Generative AI, Google Cloud

Senior Developer, Agentic AI Engineering

Senior Full Stack Engineer - Team Web

Lead Java Developer

Fullstack Developer - Python

Senior Full-Stack Developer

Senior Java Developer

Erasmus Web Developer

Manager, Sales Development - EMEA

Full Stack Developer

Senior Full-Stack Developer

AI & Data - AI Lab: AI Engineer - Agentic & Generative Intelligence - Senior/Assistant Manager

Junior Business Analyst, IT & Digital

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