Top Backend Jobs in Dublin

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.

As a Senior Backend Engineer, you'll develop features using Python and various AWS services, focusing on AI-driven solutions for the insurance sector.

Design and build scalable, production-grade backend systems and infrastructure. Work with Node.js, SQL/NoSQL databases, cloud platforms, and microservices. Solve complex problems, ensure security and performance, and produce clean, maintainable code. Collaborate with engineers on distributed systems and high-scale data processing.

Build and test AI-agent features and internal agent frameworks for a proactive cybersecurity platform. Implement and integrate generative AI systems (agents and RAG), stay current with AI research, and apply innovations to product development and evaluation within a security-focused environment.

Build and maintain backend API services for a decentralized exchange, design and implement trade routing logic for cross-chain swaps, optimize performance and reliability, collaborate with cross-functional teams, and troubleshoot trade execution and API issues.

The Senior Software Engineer will focus on backend development, designing and maintaining APIs and services, collaborating on features, and enhancing integrations at Motion.

Lead ownership of major backend subsystems, design scalable APIs and architectures, improve reliability, mentor engineers, drive cross-team technical initiatives, contribute hands-on to codebase, and support production stability and CI/CD practices.

As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.

Design, build, operate, and maintain scalable backend systems for Grafana Alerting. Drive features from ideation to production, participate in on-call rotations, mentor teammates, contribute to open-source, and collaborate with customers and Grafana Cloud teams to deliver reliable alert ingestion, evaluation, and delivery at scale.

Backend engineers will design, build, and maintain scalable APIs and services, debug production issues, and mentor other engineers, while collaborating across teams.

Architect and build core backend components of the vCluster platform by working deeply with Kubernetes internals. Write high-performance Go code, take end-to-end ownership from design to release, contribute to open-source projects, and solve complex systems and multi-tenancy problems for GPU and Kubernetes-based infrastructure.