Top Backend Jobs in Dublin

Develop and maintain backend database infrastructure powering Squarespace’s platform. Build automation and tooling in GCP, improve performance and scalability across MongoDB, CockroachDB, and Kafka, and design and provision infrastructure for new product capabilities. Collaborate across engineering teams, lead complex technical projects, participate in design reviews, influence architecture, and mentor junior engineers.

Build and operate distributed, event-driven C# and .NET microservices on Azure and Kubernetes. Own services throughout their lifecycle, including design, deployment, observability, production support, on-call operations, and continuous improvement. Collaborate with distributed teams across time zones while using AI tools for design, coding, testing, reviews, incident investigation, and technical communication.

Develop reliable, scalable Python backend services for IoT devices and mobile clients across AWS Lambda microservices. Build platform capabilities, cloud integrations, and event-driven systems; participate throughout the application lifecycle; support production operations through a rotating on-call shift; and use observability and AI-assisted development practices.

Design, build, deploy, and maintain production-grade machine learning features and AI/ML services. Responsibilities include developing data pipelines, APIs, model-serving systems, scalable microservices, evaluation frameworks, monitoring, and observability. The role involves collaborating with product, engineering, design, QA, DevOps, and client teams while owning AI capabilities from discovery through deployment and iteration in AWS environments.

Build and own scalable backend systems, REST APIs, microservices, database models, integrations, and event-driven workflows using Java and Spring Boot. Design PostgreSQL schemas, apply DDD, write automated tests, review code, and support releases. Collaborate with frontend, QA, DevOps, product, design, and client stakeholders while proactively managing dependencies, architecture, reliability, and module delivery.

Develop and maintain backend systems using Java and Spring Boot, including REST APIs, microservices, database models, integrations, and business logic. Work with PostgreSQL, Hibernate, automated testing, and distributed architectures. Own features through implementation, testing, and release while collaborating with frontend, QA, DevOps, product, design, and client stakeholders. Identify risks, clarify requirements, and ensure reliable, maintainable, and accurate software delivery.

Lead the architecture and delivery of Stripe’s Supportability Decision Layer, building high-throughput, low-latency distributed backend services and explainable decision engines. Define APIs, data models, orchestration pipelines, and resilient systems for merchant risk and onboarding. Serve as technical lead for the Dublin team, mentor engineers, drive design reviews, and align global partners across engineering, product, risk operations, and data science.

Design and implement Mojo compiler features, optimization passes, and code generation for CPUs, GPUs, and AI accelerators using MLIR and LLVM. Collaborate with kernel authors, hardware engineers, researchers, and open-source contributors to improve compiler performance, language design, developer experience, and the broader Mojo technology stack.

Build, test, operate, and maintain scalable backend services, APIs, and microservices. Collaborate with product managers, architects, data engineers, and cross-functional teams to deliver secure cloud-native solutions. Develop integrations, work with databases, caching, messaging, and distributed systems, and troubleshoot production issues. Contribute to monitoring, observability, performance optimization, code reviews, CI/CD, automation, Agile delivery, and continuous engineering improvement.

Design, build, and operate scalable backend systems, APIs, microservices, and distributed services. Lead technical implementations, improve performance, reliability, security, observability, and operational excellence, and collaborate with product, architecture, data, and engineering teams. Contribute to cloud-native and event-driven architectures, production support, incident management, technical reviews, automation, and continuous improvement. Mentor engineers through code reviews and technical guidance while delivering secure, high-performing business and consumer-facing applications.

Design, develop, and operate scalable backend APIs, microservices, and distributed systems. Build cloud-native, event-driven, data-intensive applications using databases, caching, messaging, search, and observability technologies. Lead technical design, improve performance and reliability, participate in architecture reviews, support production incidents, mentor engineers, and collaborate with product, architecture, data, and engineering teams.

Build and operate backend systems for treasury automation, including liquidity management, settlement, safeguarding, reconciliation, and money movement across fiat and digital assets. Design event-driven services and Temporal workflows, own observability and on-call operations, and contribute technical leadership through architecture, code reviews, mentoring, and cross-team collaboration.

Develop and deploy scalable backend systems for Feeld’s mobile-first dating application. Investigate and resolve complex backend issues, optimize performance and reliability, build real-time WebSocket features, and contribute independently to architectural decisions. Collaborate with product, QA, and cross-functional teams while working with event-driven architectures, NoSQL databases, AWS services, APIs, observability tools, and automated testing.

Build and evolve wallet lifecycle services for fiat and crypto accounts, including creation, activation, suspension, blocking, and termination. Design scalable, reliable microservices using event-driven architectures, hexagonal architecture, and domain-driven design. Integrate across financial domains, develop REST APIs, manage production monitoring and incident response, participate in on-call rotations, and contribute to architecture, documentation, testing, and operational excellence.

Own end-to-end backend feature development from conception through production. Contribute to system design and architecture planning focused on performance, scalability, reliability, and security. Work independently while collaborating within an agile team, continuously learning and applying modern development practices across Go, JavaScript, Node.js, and related technologies.

Build and maintain backend services and APIs for AI-powered applications. Develop inference orchestration connecting LLMs, application services, and external tools; design streaming and asynchronous APIs; optimize performance, caching, concurrency, and databases; and implement production monitoring, logging, alerting, and error handling. Diagnose high-traffic production issues and collaborate with ML, frontend, and mobile engineers on system integration and deployment.

Design and implement Mojo language features, compiler optimizations, and multi-target compilation for CPUs, GPUs, and AI accelerators using MLIR and LLVM. Collaborate with kernel authors, hardware engineers, researchers, and the open-source community to improve language design, code generation, performance, developer experience, and the broader Mojo SDK.

Own technical direction and execution for major products and systems. Design scalable and reliable architectures, write production code, lead architecture decisions, solve complex engineering problems, and drive initiatives from concept through production. Improve engineering quality through testing, security, observability, and development practices while mentoring engineers across teams. The role is remote and requires effective collaboration across countries, time zones, and distributed teams.

Build and maintain scalable backend systems and APIs supporting real-time sports betting experiences for millions of customers. Responsibilities include full lifecycle ownership, production issue resolution, performance optimization, automated testing, reliability improvements, and development in cloud environments. The role also involves using AI coding tools and agents, collaborating with product and engineering teams, mentoring peers, and driving software quality in a 24/7 environment.

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 own event-driven microservices for M-KOPA Mobility’s electric-mobility financing platform. Responsibilities include designing C#/.NET backend solutions, managing production systems, applying DevOps and infrastructure-as-code practices, implementing automated testing and continuous delivery, and using observability tools such as Prometheus and Grafana. The role involves collaborating across global teams, contributing to architecture decisions, monitoring services, and leveraging AI coding tools such as Claude Code.

Build and operate backend microservices and APIs for customer onboarding, identity verification, compliance, payments, and risk assessment. Collaborate with product teams, Salesforce experts, and regulatory technology vendors. Design reliable, scalable systems using event-driven architectures, cloud platforms, containerization, observability, and modern delivery practices while maintaining regulatory compliance and avoiding over-engineering.

Lead the architecture, technical roadmap, and hands-on development of BVNK’s billing and fees platform. Build scalable services for fee configuration, calculation, invoicing, automation, and reconciliation while ensuring financial accuracy, auditability, resilience, and operational excellence. Collaborate with Engineering, Product, Finance, and Commercial teams; mentor engineers; guide architectural decisions; and oversee production reliability, testing, CI/CD, observability, and incident response.

Leads the design and development of scalable backend systems using DDD, CQRS, Clean Architecture, and modern backend patterns. Defines domain models, bounded contexts, and database schemas; develops secure APIs and services; supports testing, resilience, and production troubleshooting. Collaborates with cross-functional teams, guides architectural decisions, mentors developers, and improves engineering standards. Requires extensive .NET and C# experience plus knowledge of relational and NoSQL databases, Docker, Azure, distributed systems, and RESTful APIs.

Build scalable backend services, APIs, microservices, and event-driven solutions supporting personalization, recommendations, search, and AI-driven consumer experiences. Integrate AI/ML capabilities, develop React components, implement search using Elasticsearch or OpenSearch, and work with Kafka, databases, Redis, and cloud-native architectures. Ensure systems are secure, observable, resilient, and low latency while collaborating with AI/ML, data, and engineering teams.