Find Principal software engineer, aws lambda Jobs in Dublin, D

Software Architect
Holafly —Dublin, County Dublin
- Remote
- Spanish
- System design
- English
17h
Staff Security Software Engineer
eBay Inc. —Dublin, County Dublin
- Full-time
- Azure
- System design
- SQL
Backend Engineer (based in Dublin OR Madrid)
Fresco —DUBLIN 8, County Dublin
- Full-time
- Hybrid work
- English
- AWS
- Bachelor's degree
Quick apply
Kernel / Hypervisor Engineer, Firecracker
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- SQL
- AWS
19h
Privileged Access Management Engineer
American International Group UK Limited, Ireland Branch & AIG Europe S.A. (Ireland Branch) —DUBLIN 1, County Dublin
- Full-time
- Azure
- Oracle
- Windows
Quick apply
8d
Principal BMS Engineer - Dublin
ENGIE —DUBLIN 2, County Dublin
- Hybrid work
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
- Annual leave
6d
Principal Security Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Continuous improvement
- Leadership
- Communication skills
Principal Engineer, Web Platform – Team Web
Intercom —Dublin, County Dublin
- Hybrid work
- System design
- AWS
- JavaScript
- Annual leave
- Work from home
Principal / Lead Geotechnical Engineer
PM Group —Dublin, County Dublin
- Master's degree
- Analysis skills
- Bachelor's degree
Software Engineering Manager
Applied Materials —Dublin, County Dublin
- Full-time
- Management
- Computer Science
- Master's degree
Principal/Senior Design Engineer – Product Standardisation
Johnson Controls —Dublin, County Dublin
- Full-time
- AutoCAD
- ERP systems
- Microsoft Office
Senior Systems Engineer
Innalabs —DUBLIN 15, County Dublin
- Full-time
- Engineering
- Data analysis skills
- System design
- Free parking
- Annual leave
Quick apply
Principal / Lead Structural Engineer
PM Group —Dublin, County Dublin
- Master's degree
- Communication skills
Principle DevOps Engineer
Elwood Roberts —Dublin, County Dublin
- €90,000–€96,000 a month
- Full-time
- DevOps
- Java
- Python
Quick apply
Senior Software Engineer - Python (Hybrid)
Nitro —Dublin, County Dublin
- Azure
- DevOps
- Master's degree
- Work from home
Quick apply
Principal Mechanical Engineer
Tetra Tech —Dublin, County Dublin
- Part-time
- Manufacturing
- Leadership
- Communication skills
6d
Mid-Level Full Stack Java Engineer
Solance —Dublin, County Dublin
- Full-time
- Hybrid work
- Java
- AWS
- Agile
Quick apply
Systems Engineer/Linux Systems Eng, Managed Operations
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- English
- AWS
Principal Engineer
Intercom —Dublin, County Dublin
- Hybrid work
- Python
- Annual leave
- Work from home
Principal Architect (Remote – Ireland)
Hadfield Green —DUBLIN 2, County Dublin
- Remote
- System design
- Java
- Leadership

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Software Architect

Holafly -
Dublin, County Dublin

Apply Now

Job details

17 hours ago

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 software engineer, aws lambda jobs in dublin, d

Software Architect

Staff Security Software Engineer

Backend Engineer (based in Dublin OR Madrid)

Kernel / Hypervisor Engineer, Firecracker

Privileged Access Management Engineer

Principal BMS Engineer - Dublin

Principal Security Engineer

Principal Engineer, Web Platform – Team Web

Principal / Lead Geotechnical Engineer

Software Engineering Manager

Principal/Senior Design Engineer – Product Standardisation

Senior Systems Engineer

Principal / Lead Structural Engineer

Principle DevOps Engineer

Senior Software Engineer - Python (Hybrid)

Principal Mechanical Engineer

Mid-Level Full Stack Java Engineer

Systems Engineer/Linux Systems Eng, Managed Operations

Principal Engineer

Principal Architect (Remote – Ireland)

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