Top Software Engineer Jobs in Dublin

Design, build, and own features and services for Klaviyo's large-scale messaging platform. Drive performance, scalability, monitoring, and reliability for a pipeline that delivers hundreds of millions to billions of messages. Collaborate across teams, mentor engineers, and participate in hiring and technical process improvements.

Build and own the UI/presentation layer for internal analytics and reporting tools. Deliver end-to-end user stories from data to UX, design dashboards and workflows, partner with product and technical leads, act as a component owner, iterate with internal users, and use AI-assisted/agentic development practices to improve velocity and quality.

Design, build, and maintain high-performance Android solutions for Toast POS, ship end-to-end features, collaborate with UX/PM/QA, integrate backend services, and iterate using AI-assisted tools to improve guest engagement in restaurants.

Design, develop, and maintain secure, scalable ServiceNow platform solutions. Build integrations (REST), scripts, custom widgets, and automation; apply CI/CD and observability practices; use enterprise AI-assisted tools responsibly; collaborate in agile teams and mentor junior developers.

Design, build, and operate enterprise-scale infrastructure platforms. Write and review production code, diagnose production issues, participate in on-call rotations, apply AI-assisted development, and improve scalability, reliability, security, and cost. Collaborate with stakeholders, decompose problems, measure impact, and contribute to platform-level technical decisions in a greenfield Dublin engineering hub.

The Software Engineer 3 will design, build, and maintain scalable backend services, develop APIs, and improve system performance, while mentoring engineers and collaborating with cross-functional teams.

Design and build security solutions for MongoDB Atlas multi-cloud infrastructure, ensuring high security standards while collaborating with engineering teams.

Design, build, and operate large-scale backend systems for timekeeping and labor cost platforms. Participate across full development lifecycle, ship production code, monitor and improve performance, collaborate with product and design, and perform code reviews.

Develop and maintain scalable, resilient identity and user-management microservices. Collaborate with UX, PM, QA, and engineers to design, test, deploy, and monitor services. Champion testing and best practices, diagnose performance bottlenecks, and ensure production reliability and secure authentication/permission flows.

Build scalable, resilient backend/cloud platform services for a no-code security app builder. Design event-driven, microservices-based systems, work with Kafka/Cassandra/Elasticsearch/Redis, troubleshoot production issues, and collaborate with product and engineering teams.

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.

Design, develop, and maintain secure, scalable production services. Produce architecture artifacts, implement REST APIs, operate services on AWS with containers and CI/CD, use AI-assisted dev tools responsibly, analyze data for system improvements, and ensure application resiliency and security.

Build and enhance full-stack, cloud-native applications focused on Java, integrating LLM/generative AI and IoT device data. Design and deliver microservices, ensure operational stability, troubleshoot production issues, create architecture artifacts, analyze large datasets, and integrate smart-building and edge computing solutions to improve user experiences and efficiency.

Design, develop, and deliver scalable, secure data integration solutions using Databricks and AWS. Build ETL/ELT pipelines, handle diverse file/table formats, implement CI/CD, collaborate with cross-functional and distributed teams, and provide complex data analysis for business intelligence.

Design, build, and test software features for MongoDB products. Collaborate with cross-functional teams to deliver quality end-user features, balance delivery with R&D, and support users maintaining MongoDB deployments.

Join the MongoDB Server Query team to work on a distributed query engine, focusing on query performance, language enhancements, and feature development in a collaborative environment.

The Software Engineer 3 will enhance the MongoDB query engine, implementing and testing features related to performance, language enhancements, and integration, while coordinating with other teams.

Lead design and delivery of full-stack, high-volume solutions (Java Spring Boot backend + React frontend). Drive architecture, API contracts, microservices, CI/CD, observability, security, and operational excellence. Mentor engineers, manage cross-team dependencies, and improve engineering quality, performance, and production readiness.

Lead end-to-end design and delivery of scalable full-stack solutions (Java Spring Boot + React). Drive architecture, API contracts, microservices design, CI/CD, observability, security, performance standards, mentor engineers, own production readiness and SLOs, and coordinate cross-team delivery to improve engineering quality and reliability.

Lead design and delivery of full-stack, high-performance solutions (Java Spring Boot + React). Architect scalable microservices and UI components, define APIs and CI/CD, ensure reliability, security, observability, and production readiness, mentor engineers, and drive cross-team delivery and engineering quality.

Lead end-to-end design and delivery of full-stack, scalable React and Java/Spring Boot solutions. Drive API contracts, microservices architecture, CI/CD, observability, security and performance standards. Mentor engineers, own production readiness and SLOs, and partner with product and architecture to improve engineering quality and delivery across teams.

Lead design and delivery of full-stack, high-performance solutions (Java Spring Boot + React). Architect scalable microservices and UI systems, define APIs, CI/CD and observability standards, mentor engineers, own production readiness, and drive cross-team delivery and engineering quality improvements.

Lead end-to-end design and delivery of full-stack solutions: architect React-based UIs and Java/Spring microservices, define APIs and integrations, set CI/CD/observability/security standards, mentor engineers, ensure production readiness, and drive engineering quality, scalability, and reliability across teams.

Lead end-to-end design and delivery of scalable full-stack solutions (Java Spring Boot backend and React frontend). Define API contracts, microservice boundaries, CI/CD, observability, security, and performance standards. Mentor engineers, drive architecture and reliability, own production readiness and SLOs, and coordinate cross-team delivery to improve quality, velocity, and system stability.

Lead design and delivery of full-stack React and Java/Spring solutions. Architect scalable microservices, define APIs and UI patterns, set CI/CD, observability and security standards, mentor engineers, own production readiness and SLOs, and drive cross-team delivery and engineering quality.