Find Sr. software engineer (distributed systems) Jobs in Dublin, D

Software Architect
Holafly —Dublin, County Dublin
- Remote
- Spanish
- System design
- English
Staff/Lead Fullstack Engineer (Frontend-focused)
Mimica —Dublin, County Dublin
- Full-time
- Remote
- System design
- English
- Master's degree
- Annual leave
- Work from home
Senior Backend Engineer
Rain Technologies Inc. —Dublin, County Dublin
- Full-time
- Remote
- Azure
- SQL
- AWS
Quick apply
Senior Software Engineer - Core Team
Userpilot —Dublin, County Dublin
- Full-time
- Hybrid work
- System design
- AWS
- Communication skills
Quick apply
Senior Network Engineer
Salesforce —Dublin, County Dublin
- Full-time
- Engineering
- Analysis skills
- No degree
Senior Software Engineer (Java)
CarTrawler —Dublin, County Dublin
- Hybrid work
- Java
- SQL
- Mentoring
- Annual leave
- Employee assistance program
Senior Software Engineer (API) – Fraud Platform
Mastercard —Dublin, County Dublin
- Full-time
- Computer Science
- English
- Java
2d
Senior/Principal Software Engineer
RxSense —Dublin, County Dublin
- Java
- AWS
- Agile
Senior Software Engineer - Database Platforms
Bloomberg —Dublin, County Dublin
- Oracle
- Java
- No degree
Software Development Engineer - Data Platform
Workday —Dublin, County Dublin
- €72,000–€108,000 a year
- Full-time
- DevOps
- Maintenance
- Java
Senior Software Engineer (Java)
General Motors —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- Java
Data Platform Engineer - Data License Plus
Bloomberg —Dublin, County Dublin
- Oracle
- SQL
- Linux
Senior Software Development Engineer , AWS Database Migration Service
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- Java
- AWS
OmniPay Dev Ops Engineer
Fiserv —Dublin, County Dublin
- Full-time
- DevOps
- AWS
Engineering Manager - Pay
Phorest —DUBLIN 1, County Dublin
- Remote
- Computer Science
- System design
- Java
- Employee assistance program
Quick apply
Senior Platform Engineer
Autodesk —Dublin, County Dublin
- €71,000–€104,500 a year
- Full-time
- Computer Science
- DevOps
- System design
Lead Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Oracle
- Java
- SQL
Staff Site Reliability Engineer
Replit —Dublin, County Dublin
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
Senior Software Engineer
InterSystems —Dublin, County Dublin
- Mentoring
- Linux
- AI
Quick apply
5d
Senior Software Engineer
Equifax —Dublin, County Dublin
- Full-time
- Azure
- Java
- AWS
- Gym membership
- Sick pay

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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

sr. software engineer (distributed systems) jobs in dublin, d

Software Architect

Staff/Lead Fullstack Engineer (Frontend-focused)

Senior Backend Engineer

Senior Software Engineer - Core Team

Senior Network Engineer

Senior Software Engineer (Java)

Senior Software Engineer (API) – Fraud Platform

Senior/Principal Software Engineer

Senior Software Engineer - Database Platforms

Software Development Engineer - Data Platform

Senior Software Engineer (Java)

Data Platform Engineer - Data License Plus

Senior Software Development Engineer , AWS Database Migration Service

OmniPay Dev Ops Engineer

Engineering Manager - Pay

Senior Platform Engineer

Lead Software Engineer

Staff Site Reliability Engineer

Senior Software Engineer

Senior Software Engineer

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