Top React Jobs in Dublin

Develop and maintain full-stack applications using Node.js, TypeScript, React, PHP, and Laravel. Responsibilities include designing RESTful APIs, extending legacy services, building complex front-end applications, optimizing performance, writing tests, participating in code reviews, and collaborating with distributed client teams on end-to-end feature delivery.

Lead design and build of an end-to-end AI contract-review agent: prompt orchestration, RAG pipelines, fine-tuning, web UI and tooling, data/model infra, deployment (CI/CD/cloud), and product-driven features like assumption mapping and contract diagnostics.

Develop networking software for Arista’s switches and routers, including Linux kernel and user-space code, routing protocols, hardware and ASIC interfaces, forwarding-state management, configuration services, and automated testing. Work across C/C++, Go, and Python in embedded Fedora Linux environments, implementing high-performance, fault-tolerant systems and protocols such as BGP, OSPF, and ISIS. Collaborate in a highly technical team focused on software-defined networking and data-center infrastructure.

Develop software for high-performance networking hardware and embedded Linux systems. Responsibilities include writing C/C++, Go, and Python code; implementing routing protocols and configuration services; programming ASICs, FPGAs, and hardware interfaces; reconciling kernel and switch forwarding states; and building automated testing systems for large-scale network devices.

Build and evolve Polar’s finance and monetization platform for AI products. Own product development end-to-end across frontend and backend systems, create intuitive developer experiences, ship reliable software quickly, engage with merchants, and translate feedback into product improvements. The role requires strong technical foundations, product judgment, design sensibility, autonomy, engineering quality, and comfort working across the stack. Payments, billing, developer tools, open-source contributions, and side projects are valued.

Build and operate reliable platform systems supporting billing, payments, financial workflows, and usage-based software. Responsibilities include evolving cloud infrastructure, improving observability and incident response, creating developer tooling and automation, optimizing distributed backend systems and databases, and ensuring security, auditability, and financial data correctness. The role requires pragmatic technical judgment, product awareness, end-to-end ownership, and experience operating production systems at scale.

Build and operate full-stack systems for an AI-powered offensive security platform. Responsibilities include developing React frontends, TypeScript APIs, Kotlin and Go backend services, deploying on AWS, designing scalable systems, optimizing databases, supporting production, and owning features from concept through deployment. The role involves close collaboration with AI and security researchers in a fast-paced remote startup.

Lead the architecture, design, and delivery of enterprise-scale applications. Provide technical leadership across projects, drive AWS cloud adoption, ensure database performance and scalability, guide React front-end architecture, establish CI/CD pipelines, implement observability, and align technology strategies with business objectives. Collaborate with development, QA, DevOps, product, and business stakeholders while enforcing secure, scalable architectural standards.

Develop and maintain cross-platform consumer mobile applications using React Native, TypeScript, and JavaScript. Build reusable components, integrate REST and GraphQL APIs, implement state management, optimize performance, troubleshoot crashes, support testing and CI/CD releases, and apply accessibility and usability principles. Collaborate with product, design, QA, and engineering teams in Agile delivery environments while contributing to code reviews, experiments, and engineering standards.

Manage and evolve AWS infrastructure, Windows production servers, and .NET applications for a collateral management platform. Responsibilities include Infrastructure as Code, server patching, security remediation, monitoring, legacy application and batch-process migrations, production cutovers, troubleshooting, SonarQube remediation, sensitive-data masking and tokenization, testing, documentation, and knowledge transfer. The role requires strong AWS, Windows Server, .NET, SQL Server, PowerShell, and application security experience.

Design, develop, test, deploy, and support scalable cloud-native applications using Java, Spring Boot, React, TypeScript, Node.js, microservices, REST APIs, and PostgreSQL. Build CI/CD pipelines, containerized deployments, integrations, observability, and secure distributed systems. Collaborate with product, UX, QA, DevOps, architecture, and clients while troubleshooting production issues and improving application performance, resilience, and maintainability.

Software Developer Intern joining Rakuten Kobo’s Global Delivery team to help develop, test, and deliver high-quality software services. The role involves collaborating with developers and testers, working independently on assigned tasks, and contributing to software delivery for internal and external users. Required skills include React, object-oriented programming, T-SQL databases, web technologies, and source control systems. Knowledge of server-side web technologies and ORM frameworks is preferred.

Build front-end experiences and backend services for integrating prediction markets into MetaMask. Develop scalable APIs, real-time data feeds, transaction signing, and secure on-chain protocol integrations. Optimize performance, security, and high-volume transaction throughput across mobile, web, and browser clients while collaborating within an agile, distributed engineering team.

Own the architecture, development, performance, reliability, and release lifecycle of a React Native DeFi mobile application for iOS and Android. Lead technical design and hands-on implementation of trading features, integrate APIs and real-time data, troubleshoot production issues, guide engineers through reviews and mentoring, and establish engineering standards. Collaborate with Product, Design, and Backend teams while managing mobile releases, monitoring, testing, and ongoing technical improvements.

Own the architecture and technical direction of a React Native mobile application for DeFi trading across iOS and Android. Lead feature development from design through release, establish engineering standards, improve performance and reliability, guide engineers, integrate APIs and real-time data, manage app-store releases, monitor production health, and troubleshoot complex issues. Collaborate with Product, Design, and Backend teams to deliver scalable, intuitive financial experiences.

Develop and enhance MetaMask social and multi-chain experiences across Portfolio, browser extension, and mobile platforms. Collaborate across teams on complex projects, mentor engineers, and build scalable full-stack applications using React, React Native, modern JavaScript, blockchain technologies, APIs, testing, and continuous integration. Ensure cross-platform compatibility and apply web security best practices.

Build and operate cloud-native infrastructure security services used across the engineering organization. Responsibilities include designing distributed systems, improving scalability, reliability, performance, observability, and security, developing automation and tooling, participating in code and design reviews, supporting incident response and on-call operations, and collaborating with platform and product engineers. The role requires production experience with cloud-native systems, Python or Go, AWS, containers, Kubernetes, and secure multi-tenant architectures.

Provide technical support for customer applications by debugging production issues, resolving bugs, advising on architecture and integrations, improving the platform, maintaining documentation, building support automations, and handling platform incidents and customer communications. The role requires strong TypeScript and React skills, web application fundamentals, systems thinking, clear writing, and prior customer-facing experience.

Build and ship product features end-to-end across frontend and backend, from concept through production. Drive product decisions, create reusable systems, contribute to scalable architecture, and use AI development tools to accelerate delivery. The role requires strong product thinking, technical hands-on ability, comfort with ambiguity, rapid iteration, and a focus on user value and maintainability.

Develop and deliver full-stack web features using Microsoft technologies, .NET microservices, React, and modern JavaScript/CSS. Responsibilities include solution design, proof-of-concept development, implementation, testing, deployment, monitoring, code reviews, stakeholder communication, and mentoring junior engineers. The role also contributes to CI/CD, infrastructure, observability, and automated testing within an Agile development environment.

Develop backend software and agentic AI solutions using Java, Spring Boot, microservices, and REST APIs. Design scalable systems, integrate relational and distributed data stores, and deploy across AWS and Azure. Implement automated testing, CI/CD, observability, and production readiness practices. Collaborate across teams and stakeholders, deliver complex software solutions, and mentor engineers. The role is hybrid in Dublin, Ireland, with 9 AM–6 PM working hours.

Staff Full Stack Engineer responsible for architecting and building integration-heavy, event-driven systems for renewable energy products. The role focuses on backend development with Python and AWS serverless technologies, while contributing to React and TypeScript frontend work. Responsibilities include integrating pricing, tendering, data, billing, and risk systems; automating commercial workflows; delivering new product categories; solving ambiguous technical problems; and maintaining high standards for testing, documentation, and code quality.

Build and maintain developer tools across SDKs, React Email, CLI, MCP, integrations, and supporting backend services. Collaborate on APIs, compatibility, testing, releases, documentation, and shared tooling. Support developers through GitHub issues and pull requests while designing reliable interfaces, error handling, and backward-compatible experiences. The role also involves operating systems with authentication, retries, rate limits, queues, monitoring, and error recovery.

Serve as the primary technical advisor for Enterprise customers, supporting onboarding, training, integrations, troubleshooting, and Storybook adoption. Design tailored solutions, manage technical account initiatives, collaborate with Customer Success, Sales, Product, Engineering, and Developer Experience teams, and identify expansion opportunities while improving internal workflows and customer outcomes.

Design, develop, test, and support secure, scalable enterprise applications. Build Java microservices, RESTful APIs, Kafka-based event-driven components, and React interfaces. Apply DevSecOps, CI/CD controls, secure coding standards, and automated testing within SDLC and PDLC frameworks. Independently own complex technical assignments and deliver them on time while collaborating effectively in a regulated-industry environment.