Top React Jobs in Dublin

Design and build scalable reusable UI components with React and TypeScript, develop backend services with Node.js/Express, contribute to micro-frontend architecture, improve performance, reliability, observability and security, write tests, participate across the SDLC, and collaborate with cross-functional teams on a large-scale SaaS platform.

The role involves building and shipping end-to-end TypeScript product features, owning fullstack delivery, experimenting with metrics, and maintaining integrations with a strong focus on quality and security standards.

As a Senior Growth Engineer, you will enhance growth-critical features, conduct A/B testing, optimize services, and track performance to enhance user acquisition and retention.

Senior SDET who contributes across frontend and backend systems by building and maintaining features with a strong testing mindset. Develop and maintain automated tests, improve test coverage and CI/CD, investigate bugs, support regulatory and compliance testing strategies, and balance automation with exploratory and risk-based testing.

Technical Product Owner for DeFi products responsible for translating protocol and infrastructure complexity into clear product requirements and consumer-grade UX. Requires 3-5+ years DeFi product experience building 0-to-1 products, deep on-chain knowledge (account models, RPC/indexer reliability, cross-chain), familiarity with wallets and core DeFi scenarios, a full-stack/backend technical background, cross-functional collaboration, measurable user-growth experience, bilingual Mandarin/English, and strong smart-contract security mindset.

Serve as a senior Java full-stack engineer building and maintaining backend services for blockchain applications, integrate APIs with React/Vue frontends, design scalable enterprise blockchain solutions, troubleshoot complex backend issues, and collaborate with cross-functional teams to apply best practices.

The Senior Fullstack Engineer will deliver software products, collaborate with product and business teams, lead technical practices, and ensure high-velocity iteration on a mobile advertising platform.

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

Lead engineering for Consumer Intelligence & Engagement, owning personalization, content management, product discovery, promotions, and communications. Define technology strategy, architecture, and AI integration; ensure GraphQL/APIGEE APIs, SFCC and Sanity implementations, performance, testing, and platform health. Build and mentor senior engineering teams, partner with product and business stakeholders, and drive delivery, standards, and experimentation across DTC commerce capabilities.

Provide developer-focused support for Supabase users: triage and resolve support cases, reproduce issues, create test cases, escalate to engineering, monitor GitHub channels, and identify tooling improvements to reduce time-to-fix.

Design and implement large-scale browser-based rendering infrastructure to execute and extract structured content from JS-heavy web apps. Improve rendering quality, performance, cost, and throughput at internet scale and productionize rendering research.

Develop and enhance front-end, server-side, and database applications, focusing on blockchain products while ensuring high performance and security.

The Senior Full-stack Engineer will design and build features in TypeScript, driving projects with a product mindset and collaborating in a dynamic startup environment.

Develop and maintain mobile applications using React Native, collaborate with teams on features, optimize performance, and resolve technical issues.

Design and build a production multi-agent harness and MCP integrations that operate across ERPs, CRMs, and business tools. Own end-to-end production concerns (reliability, observability, permissions, safe workflow execution), scope the product, make architecture decisions, and ship features working closely with CTO, product, engineering, and design. Stay current with agent frameworks and use tools like Claude Code in development.

Leading and mentoring within the R&D organization, driving strategic engineering projects, contributing to software development, and raising technical standards and performance.

Part-time full‑stack developer to maintain and extend a global Laravel backend and modern frontend (Angular/React/Vue). Responsibilities include architecture, DevOps tasks, code reviews, using MySQL, PHP/JavaScript/TypeScript, GitLab workflows, and AI-assisted coding tools. Work in one-week Scrum sprints, ~10+ hours/week, equity-based compensation; applicant must hold a full‑time job.

As a Product Engineer at Resend, you will design and develop user-centric product experiences, collaborating across teams and managing features end-to-end.

The Engineering Manager will lead and mentor engineers, plan sprints, recruit team members, and oversee engineering productivity, contributing to greenfield projects and guiding technical direction.

As a Frontend Software Engineer, you will build user interfaces for Amplemarket's sales platform, collaborating with co-founders and cross-functional teams to enhance product usability and user experience.

As a Fullstack Software Engineer at Amplemarket, you will design and build features for our AI-powered sales platform, collaborating with co-founders and cross-functional teams to enhance user experience and solve complex problems.

Amplemarket seeks a Senior Backend Software Engineer to build reliable backend systems, design APIs, collaborate cross-functionally, and drive product development.