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Backend Jobs in Ireland

There are 228 open Backend jobs in Ireland on freehire right now. 67 of them were posted recently. The skills employers ask for most often are api, cloud and ai.

Salary

Currency	Period	25th	Median	75th	Postings
EUR	year	€100,500	€117,500	€123,800	10

From postings that disclose pay. Currencies are counted separately, never converted.

Most requested skills

api 50%
cloud 50%
ai 47%
java 36%
aws 29%
microservices 25%
ci-cd 24%
observability 23%

How the work is done

Hybrid 61 · 27%
Remote 45 · 20%
Onsite 3 · 1%

Visa sponsorship offered in 47% of the 15 postings that state a position on it.

Seniority

Senior 119
Staff 18
Lead 17
Principal 9
Junior 3

Who is hiring

1000+ employees 17
51-200 employees 4
501-1000 employees 2
11-50 employees 1
201-500 employees 1

228 jobs

Posted Sort

228 jobs Posted Sort

Isla Health | B Corp™

Senior Node.js Backend Engineer — Remote-First

NewBe an early applicant RemoteEuropeSenior

Senior engineer who designs, builds, and deploys Node.js backend services for Isla Health's Digital Pathway Platform, owning end-to-end production services while advancing DevOps and cloud infrastructure practices and mentoring colleagues.

Cloud DevOps Node.js

Isla Health | B Corp™

Senior Backend Engineer

NewBe an early applicant RemoteEuropeFull-timeSenior

Senior backend engineer at Isla Health, a venture-backed health-tech startup, building its Digital Pathway Platform used by NHS Trusts: designing and shipping Node.js/TypeScript services on GCP, integrating clinical data flows with third-party systems, and owning services in production. Terraform and CI/CD support a remote-first Ireland-based team.

Agentic AI AI API Automation CI/CD +14 skills

80K – 92K €

Senior Software Engineer - Backend Java or Scala - Remote Ireland

NewBe an early applicant RemoteEuropeSenior

Senior backend engineer creating new gaming products in Java (JavaEE) or Scala for a NASDAQ-listed scale-up, fully remote anywhere in Ireland. Day to day: designing REST APIs, RabbitMQ messaging, microservices and distributed systems on cloud (AWS/Azure) for high-volume B2C software.

Agile AI API AWS Azure +8 skills

Senor Java Developer Backend Remote Ireland

NewBe an early applicant RemoteEurope

Senior backend Java developer hired to work hands-on while helping the CTO plan and implement a full rebuild of the technology environment, influencing architecture, building new APIs and integrations, and helping hire/run development teams. Core stack: Java, Spring Framework/Boot, SQL (Postgres), REST, JavaScript.

AJAX Angular API Java JavaScript +8 skills

90K – 95K €

Senior Backend Engineer

Open 100d EuropeSenior

Senior backend engineer designs, builds, and optimizes high-throughput ad exchange components in Go or Java, mentors engineers, and ensures scalable, low-latency systems for a global ad-tech platform.

Agentic AI Argo CD AWS CI/CD Claude Code +14 skills

Senior Java Backend Engineer - Remote, Microservices & Scalability

New EuropeSenior

IT Search is hiring a Senior Java Backend Engineer based in Ireland (remote across the country possible) to design and build scalable services using Java, Spring Boot and microservices. The day-to-day focus is performance optimization, concurrency challenges and reliable, observable distributed architectures.

Java Microservices Spring

Fruition Group Ireland

Senior Python Backend Engineer – Cloud-Native Health Tech

New EuropeSenior

A senior Python backend engineer role in Dublin building cloud-based health tech solutions. Day to day the person designs and implements backend services, leads development, mentors junior engineers, and collaborates with product and frontend teams while driving DevOps improvements in a mission-critical healthcare context.

Backend Engineer, AI (Agent Systems)

Likely evergreen HybridAPAC, Europe, North America, UKFull-time

Build and run backend systems that orchestrate AI models into fast, reliable APIs for a proactive smart assistant, handling inference pipelines and production reliability.

AI Anthropic API Distributed Systems Docker +10 skills

Backend QA Engineer

New RemoteEurope, UKFull-time

Backend QA Engineer owning software quality for a high-traffic B2B iGaming platform: designing test cases, running end-to-end transaction testing, and building automated regression suites with TypeScript and Playwright, plus API testing (REST/gRPC) and event-driven workflow testing (Kafka, RabbitMQ, NATS). Fully remote role based in Germany.

Agile AI API Automation CI/CD +19 skills

Staff Backend Engineer, Money Movement

New RemoteEurope, UKFull-timeStaff

A founding Staff Backend Engineer role to lead greenfield design and delivery of a trust accounting platform that lets property managers manage funds and financial records securely and compliantly. Expect hands-on backend architecture work with AWS, Kubernetes, CI/CD and observability, with Go desirable, working remotely from Germany with EMEA stakeholders.

AI AWS CI/CD Cloud Gdpr +5 skills

Adecco Portugal

Hybrid Java Backend Engineer for Real-Time Transport

New HybridEuropeFull-time

Java Backend Software Developer at Adecco Ireland designing, building, and maintaining scalable Java microservices and REST APIs for mission-critical real-time transport software. Permanent, hybrid role (2-3 days in office per week) collaborating with teams across Ireland and Germany.

API Java Microservices REST

45K – 65K €

Senior Backend Engineer - AWS Cloud & Infra (Hybrid)

New HybridEuropeSenior

Senior backend engineer who owns and enhances TechHeads' existing backend and AWS cloud environment day to day, covering administration, networking, security and infrastructure. Core stack: Node (or Python/Java), AWS (ECS, Aurora, CodeBuild), Terraform and PostgreSQL, in a hybrid role in Clare, Munster, Ireland.

Aurora AWS Cloud ECS Infrastructure as Code +5 skills

Fruition Group Ireland

Remote C++ Backend Engineer: Scalable APIs & FinTech

New RemoteEuropeFull-time

Fruition Group Ireland is hiring a fully remote, permanent C++ Developer for a fintech-focused engineering team, building high-performance backend services and RESTful APIs. The Ireland-based role involves collaborating with product, operations, and support teams and requires a bachelor's degree in computer science.

API C++ Fintech REST

696 Yahoo International Limited

Principal Software Engineer - Backend or Data

New HybridEuropePrincipal

Principal engineer on Yahoo Mail's Mail Intelligence team in Dublin (hybrid, 2 days/week on-site), designing large-scale backend services and batch/streaming data pipelines that power AI/ML personalisation for 220M+ users. Core stack: Java or Python, strong SQL, Spark, public cloud (GCP preferred), plus heavy use of AI coding assistants and LLMs.

Accessibility AI Airflow Cloud Data Engineering +15 skills

93K – 155K €

Principal Software Engineer - Backend or Data

New HybridEuropePrincipal

Principal engineer on Yahoo Mail's Mail Intelligence team, designing and evolving backend services and large-scale data pipelines that power AI/ML personalization for 220M+ users. Works with Java or Python, SQL, Spark, public cloud (GCP preferred) and AI coding tools; hybrid role based in Dublin.

Accessibility AI Airflow Cloud Data Engineering +15 skills

93K – 155K €

Senior Backend Engineer - Remote (EU) & Future Roles

New EuropeSenior

Talent-pool posting for a Senior Backend Software Engineer who designs and deploys backend services for global enterprise clients, working remotely across Europe (based in Germany). Core stack includes C#, .NET, C++, cloud platforms, and DevOps practices.

Cloud C++ C# DevOps .NET

Adecco Portugal

Java Backend Engineer - Real-Time Mobility (Hybrid)

New HybridEuropeContract

Java backend developer designing, building, and maintaining microservices and REST APIs for real-time transport/mobility software, collaborating with teams in Ireland and Germany. Permanent, hybrid role (2-3 days/week in office) in Maynooth, Co. Kildare, paying 45-65K per annum plus benefits.

API Java Microservices REST

45K – 65K €

Senior AI-First Backend Engineer – Data Pipelines

New HybridEuropeSenior

Senior backend/data engineer at Yahoo's Dublin office who owns the Mail Intelligence backend services and data pipelines powering AI/ML personalization for 220M+ users. Day to day involves leading performance, reliability, and scale of high-throughput, low-latency systems in a flexible-hybrid setup (2 days/week on-site).

AI Data Pipelines Data Quality Machine Learning

Toast Tab, Inc.

AI-Powered Backend Engineer for Hospitality Platform

Backend/full-stack engineer at Toast (restaurant technology) in Dublin, building and maintaining scalable solutions that help restaurants operate. Day to day: working across the stack, integrating frontend components, using AI-assisted development, and shipping tested features end-to-end with Product, Design, and Engineering.

696 Yahoo International Limited

Senior Backend Engineer - AI-First Mail Intelligence

New EuropeSenior

Senior backend engineer at Yahoo Mail in Dublin owning the data pipelines that power AI/ML personalization for 220M+ users. Day to day: driving performance, building resilient scalable systems, and defining data quality/compliance frameworks using Java/Python and cloud, with AI-assisted development.

AI Cloud Data Pipelines Data Quality Java +2 skills