Top React Jobs in Dublin

Senior full-stack product engineer owning features end-to-end: research customer problems, write product specs and wireframes, design and implement frontend and backend solutions, collaborate with product, design and infra, and ship high-quality, scalable features for tens of thousands of users.

Build and maintain Ashby’s platform and reliability systems: scale cloud infrastructure, implement IaC, observability, SLOs/SLIs, canary rollouts and feature flags, secure customer data, enable event-driven/data-warehouse work, optimize SQL/DSL performance, and own projects end-to-end while participating in on-call rotations.

Design and implement polished UI/UX features end-to-end: wireframe, design system work, and production code. Collaborate with Product Engineers, iterate quickly with user feedback, and improve the in-house design system to scale consistent, flexible components across the product.

Lead and grow a European engineering team, coaching engineers to own end-to-end product work, provide technical mentorship, influence product and technical specs, ship code when needed, and build automation and processes that increase team leverage and autonomy.

Design and implement user-facing features end-to-end by combining visual design and frontend engineering. Improve and expand the design system, consult on bespoke product designs, ship quickly, iterate from user feedback, and collaborate closely with Product Engineers across a large-scale product.

Senior full‑stack product engineer owning large product areas end-to-end: research, specs, wireframes, implementation, and shipping reliable features. Collaborate with product, design, and infra; balance speed and quality; solve ambiguous customer problems and build scalable abstractions.

The Senior Full-Stack Engineer will design, implement, and maintain systems for Trading API customers, focusing on both frontend and backend development, while leading projects and mentoring peers.

Lead optimization of concurrent systems, scale backend microservices, and collaborate with developers and engineers on deployment for retail solutions.

Lead end-to-end implementation of high-fidelity, performant, and accessible frontend features for a realtime collaborative visual canvas. Translate designs into polished interactions, optimize performance and accessibility, collaborate with PMs, designers, and backend engineers, and shape frontend best practices and design systems.

Lead front-end engineer on the Mapper Team building scalable data-visualization and real-time multi-user front-end features. Own end-to-end projects, contribute to architecture and processes, mentor peers, participate in hiring, and deliver high-performance, testable, maintainable UI code.

Talent-network posting to collect engineers for future openings across full-stack, backend (Golang), frontend (React), mobile (iOS/Android/React Native), blockchain, AI, DevOps, security, data, and QA. Applicants should state domain, core technologies, location/time zone, and share links to profiles or projects. Fully remote; must have right to work in the country you are based.

As a Frontend Engineer, you will build and enhance frontend solutions for financial configurations, develop internal tools, and create customer-facing interfaces, ensuring high performance and quality in financial applications.

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.

Build and maintain front-end and back-end systems for model interaction and large-scale inference. Develop APIs, session persistence, event-driven architectures, database integrations (Snowflake/Databricks), and monitoring/retry mechanisms. Collaborate with MLOps/DevOps to optimize deployment and ensure reliable, scalable model-serving workflows.

The role involves owning product feature development, participating in system design, and maintaining software performance in an agile setting.

Build and maintain scalable backend systems that integrate real-time data, machine learning, and optimization models to optimize renewable and battery storage operations. Own architecture through deployment and maintenance, collaborate with engineers and data scientists, troubleshoot performance issues, and improve monitoring, reliability, and system performance.

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.

Own end-to-end full-stack features and systems (frontend, backend, infra). Ship reliable, high-performance, scalable microservices and LLM-powered customer workflows on AWS, partner with product, make architectural decisions, improve CI/CD and infrastructure, and mentor peers.

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.

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.