Backend Developer Jobs in Ireland

Backend Engineer/API role at Stripe focuses on developing payment and risk management systems. Responsibilities include designing and maintaining APIs, solving production issues, mentoring engineers, and collaborating with cross-functional teams.

Affinidi Elements Platform team builds secure, high‑performance backend services using Rust to enable decentralized identity solutions. The Senior Backend Engineer designs and implements production‑grade systems, optimizes performance, and mentors peers while collaborating with product, security, and infrastructure teams.

Backend Engineer

Yahoo Mail seeks a Backend Engineer II to build scalable, high‑performance systems that power AI/ML personalization across its global email platform. The role focuses on designing robust architectures, optimizing performance, and collaborating with cross‑functional teams in the US. Candidates will develop stateful and stateless services, leverage cloud technologies (especially GCP), and apply advanced data structures and algorithms to handle billions of messages daily.

Backend Engineer – Wallets at Tether Finance, the team driving the world’s most trusted stablecoin and cutting‑edge digital asset services. Build scalable, secure microservices in Node.js that power instant cross‑chain token transfers and wallet infrastructure.

Proofpoint is a global cybersecurity leader protecting people, data, and AI agents across email, cloud, and collaboration tools. The Backend Engineer Intern will join the Tessian team to build intelligent security for email, using machine learning to predict and eliminate advanced threats.

Prograd is an innovative fintech focused on empowering the next generation with better financial knowledge and opportunities. As a Backend Engineer (Node.js) you will design and build scalable high‑performance services, develop GraphQL and REST APIs, manage PostgreSQL databases, and deploy cloud infrastructure on AWS while collaborating with technical leaders and cross‑functional teams.

Backend Engineer at Jobgether, building a high‑scale, real‑time digital platform serving millions of active users. Designs and implements robust backend microservices, optimizes performance, and ensures system reliability in a cloud‑native, containerized environment.

Backend Engineering team builds and scales backend systems that power advanced AI-driven capabilities for enterprise applications. The Backend Engineer - Extensions designs reliable, high-performance distributed workflows, collaborates with data scientists to translate AI use cases into scalable services, and ensures observability and resilience in production.

Backend Engineering team builds scalable backend services for high‑performance digital products. The Senior Backend Developer designs, develops and optimizes PHP and Golang microservices, improves database and caching layers, and leads code reviews in a fully remote environment.

Backend Engineering Team at jobgether builds high-impact backend systems powering internal operations and client-facing products. The role designs, develops, and maintains robust Ruby on Rails services, integrates distributed technologies like Kafka and GraphQL, and collaborates with infrastructure engineers to ensure seamless cloud-native deployments.

AI Backend Engineering team builds MCP-based services and AI-powered backend systems that enable internal teams to automate workflows. The engineer designs, develops, and maintains scalable TypeScript/Node.js services, serverless edge solutions on Cloudflare, and integrates LLM APIs and prompt engineering into production pipelines.

As a Product Engineer (Backend) at Kota, you'll design and build APIs and SDKs for embedded insurance and retirement benefits. You'll collaborate with senior engineers, improve developer experiences, and take ownership of projects.

BLP Digital’s Backend Engineering team builds AI‑driven ERP automation for Fortune 500 clients. The Senior Backend Developer designs scalable services, mentors peers, and shapes product architecture across a distributed cloud stack.

Senior Backend Developer at ISC leads design of scalable backend systems using Domain-Driven Design, CQRS, and Clean Architecture. Drives technical direction, mentors developers, and sets engineering standards.

Healthtech Initiative team building a core FHIR server to modernize healthcare data exchange. Senior Backend Developer designs and implements a dynamic query engine and high‑abstraction backend components in Kotlin and Spring Boot, collaborates on architecture, and ensures scalability and compliance with FHIR standards.

Backend Engineering team building large‑scale digital experiences used by millions worldwide. The Middle Node.js Backend Developer designs, develops and maintains scalable Node.js/TypeScript services, integrates payments, subscriptions and marketing platforms, and improves system reliability and performance.

Arista Networks leads data‑driven, cloud‑based networking for large data centers and enterprise environments. The CloudVision team builds a distributed telemetry platform in Go, leveraging HBase, ClickHouse, ElasticSearch, Kafka, Kubernetes, Ambassador, and Zookeeper.

Alerting squad at Grafana Labs builds the core of the open‑source observability platform, delivering scalable alert ingestion, evaluation, and delivery for millions of users. The role designs, builds, operates, and maintains distributed systems that power alerting in both on‑prem and cloud environments, while owning reliability, performance, and availability.

High-impact engineering team building AI-powered systems that transform complex industry decisions. Staff Backend Engineer designs, builds and scales backend infrastructure for LLM-driven submission processing, leading architecture and mentoring engineers.