Top React Jobs in Dublin

Owns the technical direction and development of banking application products and modules. Designs and develops React frontends, Java/Spring backends, database solutions, and REST integrations. Provides architecture leadership, mentoring, code reviews, testing guidance, documentation, debugging, and CI/CD enablement across cloud and on-premise environments. Collaborates with business analysis, application support, QA, security, and enterprise architecture teams throughout the software lifecycle.

Develop and enhance applications for Citi’s global financial technology systems. Responsibilities include application systems development, analysis, programming, and contributing to the full application lifecycle. More senior positions may involve leading development activities. Candidates will be assessed on their Java, Angular, and React expertise.

Build and operate developer productivity systems, including deployment services, CI/CD infrastructure, AI coding agents, internal tooling, and AWS serverless workflows. Improve build speed, test reliability, deployment safety, and developer experience across engineering teams. Own DevProd metrics, create self-service templates and CLIs, support progressive delivery, and lead cross-team migrations. The role combines backend software development, platform engineering, stakeholder management, and internal product ownership.

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.

Develop and support scalable cloud-native applications for workforce management, customer experience, and operational processes. Build Java and Spring Boot backend services, React and TypeScript frontends, REST APIs, microservices, integrations, and PostgreSQL data models. Contribute to containerization, Kubernetes, Jenkins CI/CD, observability, security, testing, production support, and performance improvements while collaborating with cross-functional teams and clients.

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.

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.

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.

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.

Leads technical solution design, customer onboarding, implementations, and ongoing support for Mastercard’s open finance and digital solutions. Coordinates delivery across commercial, product, engineering, and technology stakeholders; ensures governance and technical standards; develops documentation and repeatable processes; and mentors junior team members. The role requires strong Java development, architecture, API and SDK integration, customer implementation leadership, stakeholder management, and communication skills.

Leads technical solution design, customer onboarding, implementations, and ongoing support for Open Finance and digital solutions. Coordinates commercial, product, and engineering teams, ensures compliance with standards and governance, develops technical documentation and repeatable processes, and mentors junior staff. Requires strong Java development, architecture, API and SDK integration, modern web technology knowledge, customer implementation leadership, stakeholder management, and communication skills.

Leads technical solution design, customer onboarding, implementation, and ongoing support for Open Finance and digital payment solutions. Coordinates commercial, product, and engineering teams; ensures compliance with standards and governance; develops technical documentation and repeatable processes; and mentors junior team members. Requires strong Java, web technology, API integration, solution architecture, stakeholder management, and customer implementation expertise.

Leads technical solution design, customer onboarding, implementations, and ongoing support for Open Finance and digital payment solutions. Coordinates commercial, product, and engineering teams; ensures compliance with Mastercard standards; develops technical documentation and repeatable processes; manages stakeholder relationships; integrates APIs and SDKs; and mentors junior team members.

Leads technical solution design, customer onboarding, implementations, and ongoing support for Open Finance and digital solutions. Coordinates commercial, product, engineering, and customer stakeholders; ensures governance and standards compliance; creates technical documentation and repeatable processes; and mentors junior team members. The role requires strong Java development, web technology knowledge, API and SDK integration experience, architecture skills, customer implementation leadership, and effective business-technical communication.

Leads technical solution design, customer onboarding, implementation, and ongoing support for Mastercard’s Open Finance and digital solutions. Coordinates commercial, product, engineering, and customer stakeholders; ensures adherence to standards and governance; creates technical documentation and repeatable processes; and mentors junior team members. The role requires strong Java development, web technology, API and SDK integration, solution architecture, customer implementation leadership, stakeholder management, and communication skills.

Leads technical solution design, customer onboarding, implementation, and ongoing support for Mastercard’s Open Finance and digital solutions. Coordinates commercial, product, and engineering teams, ensures governance and standards compliance, develops technical documentation and repeatable processes, and mentors junior staff. The role requires strong Java and web technology expertise, API and SDK integration experience, customer implementation leadership, architecture skills, and effective business-technical communication.

Leads technical solution design, customer onboarding, implementation, and ongoing support. Coordinates commercial, product, and engineering teams; ensures compliance with standards and governance; develops technical documentation and repeatable processes; manages stakeholder relationships; and mentors junior team members. The role requires strong Java development, modern web technology knowledge, API and SDK integration experience, software architecture skills, and the ability to bridge business and technical discussions.

Leads technical solution design, customer onboarding, implementation, and ongoing support for Mastercard’s Open Finance and digital solutions. Coordinates commercial, product, and engineering teams, ensures governance and standards compliance, develops technical documentation and repeatable processes, manages stakeholder relationships, and mentors junior team members.