Top React Jobs in Dublin

Build and ship full-stack payment features using .NET services and React front ends. Own payment services, modernize legacy code, implement automated testing and observability, lead projects through rollout, collaborate with product and support teams, participate in on-call rotation, mentor engineers, and assist with hiring.

Designs, builds, tests, and ships full-stack software for Learnosity’s cloud-based assessment API toolkit. The role spans React and JavaScript front-end development, PHP and Python back-end services, database and search optimization, AWS infrastructure, and end-to-end feature ownership. Responsibilities include technical planning, architecture, debugging, testing, code review, mentoring, stakeholder collaboration, and introducing AI-assisted development and other technologies. The role is Dublin-based, requires regular office attendance, and includes an approximately one-week-on-call rotation every four to six weeks.

Develop backend and full-stack observability tools for MongoDB Atlas, including metrics collection, slow-query monitoring, and database performance recommendations. Design scalable web applications, troubleshoot production issues, lead medium-sized technical projects, collaborate with customers and support engineers, participate in on-call rotations, and improve engineering practices and operational systems.

Lead hands-on software engineering for Private Equity technology solutions, including architecture, design, development, code review, troubleshooting, production support, and technical leadership. Mentor engineers, drive CI/CD, automated testing, and engineering excellence, and integrate AI-assisted development and LLM or agentic capabilities. Deliver secure, cloud-native solutions using .NET or Python, React, AWS, REST or GraphQL, and event-driven architectures while managing complex projects, stakeholder requirements, risk, quality, and compliance.

Own end-to-end improvements to Oyster AI, including agent capabilities, tool calling, retrieval, evaluation, infrastructure, and production reliability. Ship LLM-powered features, diagnose failures, manage quality, latency, cost, safety, and access-control trade-offs, and validate improvements through experiments and regression checks. Mentor product teams, establish reusable AI engineering patterns, and collaborate asynchronously across engineering and product.

Lead and deliver secure, scalable cloud-native software across Python/Node.js/React stack. Design, develop, test, and operate production services, mentor engineers, drive architecture and CI/CD/IaC standards, and champion responsible AI-assisted engineering practices and operational stability.

Lead front-end development for partner-facing financial web products, including embeddable onboarding modules, partner dashboards, and self-service workflows. Build complex multi-step forms and data-heavy interfaces with React and TypeScript, contribute to Node.js server layers, collaborate on API contracts, and work closely with product, design, and backend teams. Own features from design handoff through production release while maintaining multiple codebases and upgrading business-account APIs.

Design and develop scalable PHP and Laravel backend services, modular front-end and back-end systems, real-time data feeds, and APIs. Optimize performance, implement reusable libraries, conduct code reviews and analysis, and collaborate cross-functionally on product delivery. The role requires SaaS development experience, database and API expertise, system design participation, testing knowledge, and effective use of AI coding tools.

Own the end-to-end UX and product design lifecycle, from discovery and research through prototyping, testing, developer handoff, QA, and release. Use AI coding and prototyping tools to create and validate live experiences, collaborate with product and engineering teams, contribute to design systems, ensure accessibility, and mentor junior designers. Apply research insights and product data to guide decisions for enterprise applications.

Design, build, and maintain full-stack web applications supporting AI-driven product discovery, search, recommendations, personalization, and consumer experiences. Lead frontend technical design, develop React and TypeScript components, integrate backend APIs and AI capabilities, optimize performance and reliability, and contribute to backend services. Mentor engineers, participate in technical reviews, and collaborate with product, design, data, AI, and engineering teams.

Build scalable backend services, APIs, microservices, and event-driven solutions supporting personalization, recommendations, search, and AI-driven consumer experiences. Integrate AI/ML capabilities, develop React components, implement search using Elasticsearch or OpenSearch, and work with Kafka, databases, Redis, and cloud-native architectures. Ensure systems are secure, observable, resilient, and low latency while collaborating with AI/ML, data, and engineering teams.

Build and enhance full-stack, consumer-facing web applications for AI-driven product discovery, search, recommendations, and personalization. Develop reusable React components, integrate APIs and microservices, support backend services, and work with AI/ML and data teams. Contribute to scalable, secure, observable, and reliable solutions using search platforms, cloud services, databases, caching, and event-driven architectures. Collaborate cross-functionally with engineering, product, and design teams to deliver engaging digital experiences.

Build and enhance consumer-facing full-stack web applications for AI-driven product discovery, search, recommendations, and personalization. Develop React and TypeScript interfaces, integrate APIs and microservices, contribute to Java and Spring Boot backend services, and improve performance, accessibility, scalability, reliability, and observability. Collaborate with AI/ML, data, backend, product, and design teams while participating in design and code reviews and using AI-assisted engineering tools.

Leads a distributed team of approximately 12 engineers building Elastic’s conversational and agentic Chat platform. Owns roadmap delivery, hiring, coaching, performance management, team processes, and stakeholder communication. Partners with product and technical leadership to define priorities and deliver large software initiatives. Requires technical depth in TypeScript, Node.js, React, Elasticsearch, and LLM-powered applications, including RAG, agents, evaluation, and context engineering, without hands-on production coding.

Develop and maintain iGaming games using PixiJS and TypeScript across the full lifecycle. Build UI, animations, interactive features, and game mechanics while optimizing rendering performance, memory, loading times, and FPS for desktop and mobile. Collaborate with engineering, QA, and stakeholders on feature delivery and issue resolution. Integrate AI agents into development workflows and support games after release.

Staff Engineer and founding team member responsible for designing and developing a greenfield, cloud-native banking platform. The role includes hands-on Java development, AWS architecture, API development, automation, SRE, testing, observability, zero-downtime deployment, security, compliance, and performance. The engineer will mentor teams, translate business requirements into technical solutions, research technologies, and collaborate closely with the CTO, product designers, compliance teams, and business stakeholders.

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.

Designs, builds, and supports Cisco dCloud platform solutions across datacenters and public cloud. Develops Go and Python services, SDKs, libraries, Kubernetes workloads, APIs, micro-frontends, MCP servers, and AI-driven automation. Defines architecture, engineering standards, and technical direction while collaborating with partner teams. Maintains system reliability and security, reviews designs, and accelerates demo delivery through infrastructure automation and AI tools.

Lead the design, development, analysis, and delivery of applications for Citi’s FX Hub technology team. Responsibilities include developing .NET solutions, defining coding and testing standards, resolving complex systems and business-process issues, ensuring architectural alignment, implementing enhancements, assessing risk, and coaching developers. The role requires expertise in .NET Core, T-SQL, ReactJS, Kafka, APIs, SQL Server, OpenShift, Docker, microservices, and project leadership.

Develop full-stack software for CarGurus' Canadian and UK dealer-facing products. Responsibilities include designing, building, testing, deploying, monitoring, and maintaining applications using Java, Spring Boot, React, JavaScript/TypeScript, AWS, and related technologies. Collaborate with engineers and product managers, integrate third-party APIs, contribute to service-oriented architecture, participate in code reviews, and help establish engineering practices in Dublin.

Build and maintain full-stack web products across frontend, backend, databases, DevOps, analytics, and third-party integrations. The engineer will implement features, fix bugs, improve infrastructure, monitoring, deployments, testing, and developer experience, and participate in on-call support. The role requires collaboration with product teams, proactive technical ownership, reliable production code, analytics-informed iteration, and fluency with AI coding tools. Senior candidates may additionally own architecture, technical strategy, and major projects.

Build and maintain scalable backend services, APIs, data layers, and full-stack features for a multi-tenant cash forecasting SaaS platform. Responsibilities include PostgreSQL and SQL optimization, RSpec testing, Docker and AWS deployment, automation, observability, performance profiling, code reviews, technical design, and on-call support. Collaborate with product, design, and engineering teams to deliver secure, reliable solutions for enterprise financial customers.

Build and ship production interfaces for Enode’s energy platform, connection flows, and website. Translate designs into React and TypeScript code, prototype ideas, contribute to the design system, and improve interaction, accessibility, performance, and motion. Collaborate with engineers on front-end development, releases, and API design. Help develop AI-enabled design and engineering tools while independently taking ideas from concept to launch.

Develop and maintain software applications using React, Angular, .NET, and SQL. Collaborate with product managers, designers, and engineers to deliver business solutions, leverage Azure services for scalable cloud applications, optimize performance, troubleshoot issues, and stay current with software development technologies.

Owns growth engineering initiatives across acquisition and conversion journeys, including landing pages, signup, checkout, subscriptions, and product launches. Builds fast, accessible front-end experiences using TypeScript, React, and Next.js, while contributing to Kotlin or Python backend services. Partners with marketing, CRM, product, design, and analytics teams; runs A/B tests; measures conversion outcomes; contributes to the design system; and ships continuously with monitoring and testing.