Top React Jobs in Dublin

Lead a team of engineers in delivering web applications using Node.js and React. Involve in technical and architectural decisions, improving development processes, and mentoring team members.

Design and implement backend trading services, own features end-to-end (schema, API, tests, UI integration), contribute to real-time infrastructure and client-facing APIs, and write integration tests against real dependencies.

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.

The role involves building AI-ready web applications, collaborating with product managers and designers, and improving workflows based on user feedback.

Build and maintain frontend (React/TypeScript) and backend (Java/Dropwizard) features for Opik, focusing on LLM observability, evaluation, real-time monitoring, APIs, integrations with LLM frameworks, and collaboration with ML researchers. Contribute to open-source, documentation, and automated evaluation systems.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

As a Full Stack Engineer at Qualio, you will collaborate on designing and delivering robust cloud solutions, primarily using Python and AWS, while applying best engineering practices.

Lead design and build of a greenfield, cloud-native banking platform. Architect scalable, secure systems, write production Java code, mentor engineers, drive CI/CD, SRE, testing, API design, and collaborate with product, compliance, and business stakeholders to translate requirements into technical solutions.

The Senior Software Developer will design, implement, and maintain software systems, lead technical discussions, mentor junior engineers, and deliver high-quality solutions for the insurance market.

Lead a team to design, build, and deploy scalable full-stack applications for investor services. Provide technical leadership, hands-on Java backend and React/Angular frontend development, API design (REST/GraphQL), event-driven solutions with Kafka, containerization with Docker/Kubernetes, and CI/CD implementation while partnering with stakeholders and ensuring compliance and risk management.

The Full Stack Developer will design and implement web-based trading tools, collaborating with traders and other teams to meet needs and enhance user experiences.

Build and ship end-to-end features across React frontends and Node.js/TypeScript or Rust backends, operate in a Nix-backed development ecosystem, and maintain services on a multi-account AWS environment. Write infrastructure as code (AWS CDK), design systems and data pipelines, participate in code reviews and sprint planning, mentor engineers, and help set technical standards and architecture.

Lead front-end technical strategy across multiple teams for a complex, data-dense merchant platform. Own architecture, component systems, state management, performance, accessibility, and front-end observability. Mentor engineers, drive cross-team alignment, and partner with Product, Design, and backend engineers to deliver a cohesive merchant experience including the Primer AI Companion.

Join our engineering-led team, shipping innovative features and enhancing developer experience across our stack, including frontend and backend. Collaborate on architecture and continuously improve services.

Build and ship end-to-end product features across frontend, backend, APIs and databases. Create customer/internal workflows (onboarding, accounts, payments, KYC, FX, rewards). Collaborate with product, design, mobile, backend and AI teams. Build internal tools, monitor production, debug and iterate to improve reliability and UX.

The AI-First Full-Stack Engineer will lead full-stack development using Node.js and Next.js, integrating AI workflows and orchestrating Claude agent teams for efficient engineering processes, ensuring compliance with healthcare standards.

Design and evolve systems for Motion's infrastructure, focusing on reliable and secure operations across APIs, Linux systems, and cloud environments with a focus on hands-on coding and engineering judgment.

Manage and support a web engineering team, ensuring technical delivery and career development while contributing to software development and strategic goals.

Join a client-facing squad as a hands-on Senior Full-Stack Engineer working across Kotlin backends and React/TypeScript frontends. Apply AI-native delivery practices and agent/harness engineering to accelerate delivery, unblock the team, and share patterns across the organisation while using AWS and cloud data tooling.

Lead full‑stack product development for WeTravel's Supply platform: design and implement quoting, supplier/catalog, partner onboarding and payouts. Work end-to-end with product, write TypeScript/React frontend and backend services, operate production systems (monitoring/on‑call), mentor engineers, and help take features from early access to broad adoption.

Build core AI platform capabilities (agent runtimes, model routing, tool registries) and production-grade services and tooling using Node.js, TypeScript, NestJS and React. Develop reusable AI infrastructure, work with LLMs and LangChain/LangGraph, and own features end-to-end to enable secure, scalable AI across the company.

Full‑stack engineer on the self‑service cloud growth team building onboarding and trial experiences. Design and implement scalable frontend and backend features, APIs, agentic interfaces, and data evolution strategies. Collaborate with PMs, designers, and solution teams to integrate cloud and Kibana flows and operationalize software in production.

Build and scale Base360.ai: design APIs, services, and cloud-native infrastructure; implement event-driven automations, AI-powered workflows, and integrations (Airbnb, Stripe, Twilio, OpenAI). Own projects end-to-end to automate operations, improve pricing and guest experiences, and enable global scaling.

Build and maintain North's Agents & Automations platform: design and ship frontend and backend features, execution engine, integrations, debugging, observability, evaluation, and feedback systems to enable reliable AI-powered workflows.

The Web Developer will create and maintain high-quality web applications, collaborating with designers and other developers to enhance user experience while adhering to web standards and best practices.