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.

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.

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.

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.

Build and operate scalable backend APIs, microservices, and integration services powering personalization, recommendations, search, and AI-driven consumer experiences. Own features from design through deployment, monitoring, and support. Collaborate with AI/ML and data engineering teams, improve service performance and reliability, contribute to system design and engineering standards, and mentor junior engineers.

Designs, builds, and operates scalable backend services, APIs, microservices, and event-driven systems supporting personalization, recommendations, search, and AI-driven consumer experiences. Partners with AI/ML, data, product, and engineering teams; integrates search and generative AI capabilities; improves performance, reliability, observability, security, and operational excellence. Leads technical delivery, mentors engineers, contributes to architecture reviews, and promotes engineering best practices.

Build and maintain payments infrastructure, including usage tracking, pricing, billing, payment providers, and stream-processing services. Collaborate with Finance, Tax, Growth, Sales, and engineering teams to support compliance, reporting, experiments, and customer payments. Plan migrations, debug complex production billing issues, and safely evolve live systems handling money. Requires Python expertise, backend development experience, software and system design knowledge, testing and security fundamentals, and strong problem-solving ability.

Build and operate core platform systems for users, workspaces, permissions, APIs, authentication, and resource management. Deliver full-stack features with a backend focus, including admin and settings interfaces. Scope work within large existing systems, plan migrations, manage safe rollouts, debug production issues, and collaborate across product and engineering teams. Candidates need strong Python and backend development expertise, software and system design knowledge, testing and security fundamentals, and the ability to navigate ambiguity.

Develop production Rust code for managing, reconfiguring, and adapting cloud resources within a Kubernetes development platform. Collaborate on architecture, infrastructure, and feature design; use AI to improve delivery; and work directly with users to gather requirements and debug complex distributed environments. The role requires strong systems thinking, cloud-native infrastructure knowledge, and effective async collaboration in a remote-first startup.

Leads high-impact backend and financial operations projects involving payments, transactions, middleware, GraphQL schemas, APIs, and data models. Provides staff-level technical leadership, drives architectural decisions, partners cross-functionally with Product and Design, and improves engineering standards such as testing, code review, documentation, and SDLC practices. Works hands-on across project delivery while shaping company-wide engineering culture and technical direction.

Designs and builds Notabene’s Go-based transaction platform for secure, scalable, multi-tenant crypto transfers. The role focuses on distributed systems correctness, PostgreSQL performance, cloud infrastructure, observability, auditability, and regulated-data security. The engineer owns production operations, writes technical designs, reviews code, mentors teammates, collaborates with product and compliance teams, uses AI coding agents, and participates in on-call rotations.

Develop and maintain scalable backend services for a cloud-native securities-based lending platform using Python, FastAPI, Java, and Spring Boot. Design REST APIs and microservices, deploy resilient AWS solutions, maintain CI/CD pipelines and automated tests, troubleshoot production issues, participate in architecture and Agile ceremonies, conduct code reviews, and mentor junior engineers.

Build and scale backend systems for AI-native construction procurement software. Own data models, GraphQL APIs, distributed processing semantics, integrations with construction ERPs, authorization, approvals, and transactional business workflows. Develop in Go with Postgres and AWS, while contributing to AI-driven document extraction, optimization, observability, and complex integrations. Collaborate in a fast-moving startup environment with evolving product requirements and strong ownership expectations.

Build and maintain C#/.NET backend services and microservices supporting accounts, authentication, wallets, and related domain capabilities. Develop event-driven integrations, optimize database performance, improve observability, manage Kubernetes and GitOps deployments, collaborate with DevOps, participate in on-call support, troubleshoot production issues, reduce technical debt, and conduct code reviews. The role also includes task estimation, QA collaboration, and writing unit and integration tests.

Build and operate scalable AWS cloud infrastructure centered on Amazon EKS, networking, infrastructure-as-code, and self-hosted services. Automate shard deployments, implement Terraform guardrails and secure ingress, support multi-region growth, and meet reliability, disaster recovery, compliance, and security requirements. Partner cross-functionally, troubleshoot application and infrastructure issues, participate in on-call and incident response, and use AI tools to improve engineering workflows.

Lead architectural work for AI-native backend engineering, including agent-ready code standards, context infrastructure, self-healing incident workflows, multi-step LLM agents, and AI code-review optimization. Ship backend code and AI-first product features while setting technical direction and collaborating with product and design teams. Apply strong distributed-systems, event-driven architecture, and production LLM expertise to accelerate validated learning.

Own the architectural layer for AI-native product engineering, including agent-ready code standards, context infrastructure, self-healing incident workflows, multi-step LLM agent systems, and AI code review optimization. Ship backend code, set technical direction, and partner with product teams to deliver validated AI-first features. The role requires strong backend, distributed systems, event-driven architecture, LLM, and AI coding tool experience.

Design, build and operate backend services in AWS for a multi-service hospitality platform. Implement new features, payment and EPOS integrations, improve performance, monitoring and deployment automation using TypeScript/Node.js and databases like Mongo Atlas, Postgres RDS or DynamoDB. Collaborate in a UK development team and automate infrastructure, CI/CD and QA.