Top Full Stack Developer Jobs in Dublin

Build end-to-end full-stack AI features on a Ruby on Rails backend and React frontend, design and run experiments (A/B tests and AI evaluations), implement AI infrastructure for reliable LLM inference, and iterate quickly to scale production-ready LLM-powered products.

Build production systems and AI-enabled agentic tooling to detect, investigate, and disrupt cybercrime. Design services, APIs, pipelines, and protection workflows; investigate phishing, impersonation, and digital identity attacks; deploy scalable cloud-based defenses and own systems end-to-end with strong operational discipline.

Design, build, and maintain scalable Java/Spring Boot services for the Issuer platform. Lead technical strategy, mentor junior engineers, collaborate with product and design, and drive adoption of best practices (testing, CI/CD). Contribute to backend-focused microservices, REST APIs, and performance/security improvements; front-end work with Angular is a plus. Help improve development processes and tooling.

As a Senior Fullstack Developer, you will design and develop core AI systems, manage full development cycles and collaborate with the team for scalable features.

Design, build, and operate production systems (Python/Java/SQL) that detect, investigate, and disrupt cybercrime. Develop AI-native, agentic workflows, services, and pipelines, own end-to-end delivery, and translate attacker research into scalable protections.

Senior Full Stack Developer delivering web-based analytics: build SPA frontends (TypeScript, React, D3.js), author C# APIs, create CI/CD pipelines, support Level 3 incidents, collaborate in Agile teams, mentor juniors and produce solution documentation.

Lead design, development, code review, releases, and mentoring for core registry products. Manage multiple projects, hire and train developers, and enforce coding standards and Agile practices.

Develop and maintain scalable Java services for PlayStation user experiences, collaborating with various teams and ensuring quality through testing and proactive problem-solving.

Lead architecture and implementation of scalable full-stack features using NestJS and Next.js, integrate LangChain-driven AI, manage PostgreSQL schemas and performance, build responsive UIs with Tailwind CSS, implement authentication with Clerk, and ensure reliability with Puppeteer-based testing and automation.

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.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

Develop and maintain scalable fullstack software systems using Typescript, React, and Node. Collaborate on web application architecture and coach junior developers.

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.

As a Full Stack Engineer at Qualio, you will collaborate on designing and delivering robust cloud solutions, primarily using Python and AWS, while applying best engineering practices.

As a Full Stack Engineer at Qualio, you will design and implement cloud-based solutions, collaborate with teams, and ensure high-quality delivery of software in a remote environment.

Own end-to-end features across a React client and Python monolithic backend for an enterprise AI video SaaS. Lead multi-month projects, collaborate with product, measure impact via data pipelines, manage safe releases, and help shape long-term engineering direction.

Build, enhance, and support proprietary middle-office treasury, collateral, and trade platforms. Develop backend and frontend features, design and deploy agentic AI workflows, contribute to CI/CD and testing, maintain documentation, provide third-level support, and investigate emerging technologies for continuous improvement.

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, ship, and maintain full-stack features for North: large-scale file uploads, shared knowledge bases, agent extensibility, and data-sync pipelines. Own end-to-end design, implementation, testing, launch, and iteration while working closely with Product, UX, and modeling teams. Prioritize security, performance, and mentoring.

Design, implement, test, and maintain cloud-first web applications. Build secure, maintainable code using event-driven architecture and cloud services (AWS/Azure). Collaborate with cross-functional teams, mentor junior engineers, and support CI/CD and PWA development.

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.

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 own the hotels-facing product end-to-end: design and implement backend services in Go and frontend features in Next.js/Vue.js, drive product vision, improve UX, and rapidly ship high-quality features with a small team.

Build and ship end-to-end product features across frontend, backend, APIs and databases. Create customer/internal workflows (onboarding, accounts, payments, KYC, FX, rewards). Collaborate with product, design, mobile, backend and AI teams. Build internal tools, monitor production, debug and iterate to improve reliability and UX.