Top Full Stack Developer Jobs in Dublin

Build end-to-end full-stack AI features on a Ruby on Rails backend and React frontend, including LLM inference infrastructure, RAG, AI agents, and evaluation/observability. Design and run experiments (A/B tests), optimize systems for production performance and reliability, and iterate rapidly with product and design partners.

Build and evolve Circle Discover marketplace features: high-converting purchasing flows, algorithmic recommendations, content feeds, and listings. Work across a Ruby on Rails backend and React/Next.js front-ends, optimize performance and SSR/SSG, collaborate with designers and leaders, and improve codebase quality while shipping at pace in a distributed remote team.

The Staff/Lead Fullstack Engineer will enhance the Mimica Webapp by architecting scalable UI components, managing large datasets, and optimizing performance while collaborating with cross-functional teams.

Full-Stack Engineer responsible for developing and maintaining front-end and back-end components, collaborating on product solutions, and improving user interfaces.

The Full-Stack Engineer will enhance backend functionality, collaborate with teams, and maintain platform performance and security, requiring expertise in Python.

Develop and maintain front-end and back-end components of AI-driven products, collaborating with teams to enhance user experience and build proof of concept products.

Lead design and development of a cloud-native, microservices-based data and reporting platform for futures and derivatives clearing. Drive architecture, CI/CD and DevOps practices, collaborate with stakeholders, ensure production stability, mentor team members, integrate BI/reporting tools and implement security, testing and data governance best practices.

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.

Build, deliver, and maintain a customer dashboard using TypeScript and React that interacts with Python/FastAPI backend services. Collaborate with cross-functional teams, design APIs, ensure high-scale performance, analyze dashboard metrics using SQL, and contribute product ideas and stakeholder communications.

Design, implement, test, deploy, and maintain cloud-native full‑stack applications. Collaborate cross-functionally, follow software engineering best practices, use event-driven patterns, leverage AWS, participate in code reviews, troubleshoot issues, and improve CI/CD workflows.

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

Build end-to-end AI-native product features across frontend, backend, and model integrations. Design and deploy agent workflows, integrate LLMs, memory, and external tools, and ensure real-time streaming, low-latency interactions, reliability, observability, and robust fallback/recovery. Collaborate with ML, backend, and product teams and iterate based on real-world usage.

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 optimize customer-facing features with a frontend focus, owning end-to-end delivery. Work across the stack to implement APIs and data flows, improve performance and accessibility, debug production issues, and collaborate with product and design to ship high-quality, tested interfaces.

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.

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.