Top Backend Jobs in Dublin

Build and maintain Extensions backend for enterprise LTM products: design distributed, reproducible, observable workflows; optimize latency and throughput; collaborate with data scientists; drive architectural decisions; write high-quality, tested Python code; and document best practices for production-scale deployments.

Lead design, develop, and maintain Piktochart's backend systems for scalability, performance, and security. Collaborate with product, design, and frontend teams, optimize databases and queries, conduct code reviews, evaluate new technologies, and mentor developers while integrating AI agents and improving CI/CD and cloud infrastructure.

The Backend Engineer will implement new SDK and Indexer features, automate testing, support integration, and oversee production releases.

The role involves owning product feature development, participating in system design, and maintaining software performance in an agile setting.

As a Senior Backend Product Engineer, you will develop backend systems, enhance user experiences, collaborate with cross-functional teams, and ensure AI integration in product development.

Own end-to-end features across a React client and Python monolithic backend for an enterprise AI video SaaS. Lead multi-month projects, collaborate with product, measure impact via data pipelines, manage safe releases, and help shape long-term engineering direction.

Senior backend engineer responsible for building and owning high-scale hotel integrations (channel managers, PMS) from code to production. Work includes designing resilient API adapters, optimizing performance and cost for 600M daily requests, debugging live incidents, and shipping new integrations with high ownership in a low-process environment.

The Software Engineer will develop backend systems using Rust, manage multimodal data, and improve data infrastructure with a focus on performance and design ownership.

As a Backend Engineer, you will design scalable APIs, create Engineering Requirement Documents, and build test suites for product analytics and performance.

The Backend Engineer will develop AI Agents, design scalable systems, integrate ML services, optimize performance, and mentor junior engineers.

Build and maintain backend services and APIs for onboarding, accounts, payments, cards, transfers, rewards, FX, KYC and risk flows. Design reliable, secure, observable systems for real customer transactions, integrate with partners and AI services, ensure data integrity and incident handling, and collaborate with product and frontend teams to launch and improve financial products at scale.

The role involves leading the mk8s Core Team, managing technical projects, coaching engineers, and participating in hands-on coding and incident response.

Build and maintain high-performance, fault-tolerant distributed backend services and data pipelines for large genomic and health datasets. Design storage, indexing, and async event workflows; optimize latency, throughput, and reliability. Partner with bioinformatics and product teams to validate scientific accuracy and guard AI-driven responses.

Design, build, and optimize scalable Python/Django microservices and high-performance REST APIs. Implement unit testing (Pytest), eliminate technical debt, resolve performance bottlenecks, and collaborate with Product and QA to deliver resilient systems. Act as a software architect focused on operations, automation, and best practices to support millions of users.

Design, build, and scale Node.js backend services for a MERN-based, real-time platform. Improve performance, reliability, and fault tolerance; design APIs and database schemas; collaborate on architecture, code reviews, and operational ownership. Mentor peers, contribute to hiring, and drive engineering standards.

The backend developer will build backend software focusing on reliable APIs, ensure high-quality output, and collaborate with teams.

The Senior Software Engineer will lead the development of a Python-based platform, enhancing a mature system for open-source collaboration, mentoring teams, and driving innovation.

Design and build a multi-tenant, scalable Grafana App Platform for Grafana Cloud. Drive backend platform work to enable OSS and proprietary apps to integrate with dashboards, alerts, incidents, and telemetry. Focus on SaaS at scale, reliability, and platform capabilities for cloud-native observability applications.

Own and evolve Dash0's billing and metering systems, deepen Stripe integrations, build cloud marketplace connections, ship usage dashboards and billing alerts, set architectural standards, and mentor engineers on billing architecture and reliability.

Build and maintain the ingestion pipeline that captures, processes, and delivers billions of events monthly. Design scalable, reliable distributed systems, own services end-to-end, and work with Node.js/Rust/Go and data stores like Kafka, Postgres, ClickHouse, S3, and Redis to ensure data integrity and availability for analytics and other platform components.

Own, design, build, and operate distributed, high-load backend services and data pipelines for ML infrastructure. Partner with ML and product teams to deliver self-service, reliable model serving, storage, and deployment components; ensure observability, scalability, and performance while driving technical decisions and continuous improvement.

The Senior Back-End Developer builds and maintains server-side operations for cloud solutions, collaborating with teams to deliver software, support users, and document features.

The Senior Backend Software Engineer will design, develop, and maintain scalable web applications, mentor junior engineers, and contribute to software development best practices in a quantum computing context.

As a Backend Software Engineer, you'll design, develop, and maintain web applications focused on data analytics, create APIs, and ensure compliance with GDPR.

As a Backend Staff Engineer, you will lead technical standards, mentor junior engineers, conduct code reviews, and drive feature development in a fast-growing on-demand services environment.