Top C Jobs in Dublin

Mid-level software engineer contributing to customer-facing Atlas Growth features. Build readable, well-tested TypeScript/React code, write database queries, author technical specs, lead small projects, collaborate with product and design, participate in reviews, triage support, and join on-call rotation.

Technical Services Engineer at MongoDB will help customers solve complex database problems, conduct software development for support tools, and mentor new team members while working on database configurations and performance.

Provide expert, customer-facing technical support for MongoDB ecosystems (server, drivers, cloud, infrastructure). Diagnose and resolve architecture, performance, recovery, security, and scalability issues; build support tools; mentor new hires; liaise with product and engineering on customer needs.

Lead architecture and implementation of mission-critical Atlas SaaS data platform components. Design and deliver large-scale, latency-sensitive distributed systems, write production database code, resolve production escalations, mentor engineers, define technical strategy and standards, and drive AI engineering initiatives across the Atlas Core Data Services organization.

Provide expert technical support and advisory to large MongoDB customers on architecture, performance, recovery, and security. Advocate customer needs to product teams, contribute to internal tooling and diagnostics, and operate across the MongoDB ecosystem including Atlas and Cloud Manager.

Design and build observability systems for MongoDB. Lead architecture, improve code quality, mentor engineers, and manage projects.

Develop and improve MongoDB's distributed query execution engine by implementing and testing query execution algorithms, enhancing query language features and diagnostics, tuning performance, fixing bugs, participating in code reviews, and collaborating with peers to deliver robust, production-quality C++ systems.

Design, build, and operate MongoDB's internal and external observability stack (metrics, logs, traces, alerts). Lead architecture and implementation for scalable, high-performance distributed systems; mentor engineers; handle production escalations; collaborate with SWE, SRE, and Product teams; own code quality, testing, and on-call responsibilities; drive long-term roadmap for observability infrastructure.

Provide deep technical support to customers and partners for MongoDB deployments: troubleshoot architecture, performance, recovery, and security; advise on best practices; collaborate with product and engineering teams; contribute to tooling and diagnostics; mentor new engineers and work closely with ISV partners to ensure joint customer success.

Support sales and delivery of legacy-to-MongoDB modernization engagements: run technical workshops, design scalable cloud/on‑prem solutions, build and demo containerized applications, advise account strategy, and travel to customer sites.

Design, implement, and maintain Layer1 control software for physical network interfaces and optics. Collaborate with hardware, product, and test teams to architect features, build telemetry and automated tests, troubleshoot customer issues, and mentor junior engineers. Own projects end-to-end from specification through deployment and support.

Join the OpenConfig team to design and implement a programmable, state-oriented networking OS. Work on distributed publish/subscribe state sharing, Linux-based EOS, single-image software, and integrations with containers, VMs, and DevOps tools to deliver production-grade network software.

10-week Dublin-based internship where graduate students work on quantitative research and algorithm development for market making. Interns apply statistical modeling, machine learning, and deep learning to large trading datasets, complete one or two mentored projects, and receive training and social perks.

Join Arista's Dublin Kernel team to develop and integrate Linux kernel and BIOS features, evaluate CPUs, work with vendors, perform bringup and qualification, debug and optimize code for performance and scalability, and own projects from definition through deployment.

Lead the migration from 32-bit to 64-bit COBOL and related systems; coordinate technical, application and enterprise teams; define architecture and standards; identify technical gaps and inefficiencies; implement process improvements; promote reuse and reduce customization; support incident response, compliance and long-term ICT direction.

Design and own mixed-signal PCBs and embedded firmware for real-time control of bioreactors. Build control algorithms (PID, system identification), sensor integration, power and communications networks, test fixtures, and validation to enable autonomous, scalable biomanufacturing across a fleet.

Own design and delivery of reactor electronics and control: build mixed-signal PCBs, embedded firmware, real-time control and automated scale-up logic, integrate sensors/actuators and communications, validate and bring up systems for autonomous biomanufacturing, and create manufacturable, safety-conscious hardware and control stacks.

Lead and manage engineering teams building Copilot-enabled enterprise applications on Dynamics 365, Azure, and Power Platform. Guide design, dependency identification, scalability, performance, and on-call reliability; coordinate releases and stakeholder requirements while driving high-quality, maintainable code and product outcomes.

Design and implement features for the Windows update client to enable discovery, installation, and lifecycle of OS and component updates. Collaborate across teams to build scalable, secure update pipelines, address vulnerabilities, monitor retail releases, diagnose issues, and mentor junior developers. Contribute to processes and tools for rapid, reliable shipping, and integrate modern ML/AI-driven innovations into update workflows.

Design, build and maintain Splunk dashboards and clusters: ingest Big Data, create SPL, indexes, lookups, forwarders, and CI tests. Support, monitor, upgrade clusters, script cron jobs, analyze performance data, and collaborate with global teams.

Design, implement, and operate large-scale identity and anti-fraud systems. Build detections and blocking mechanisms for signup and telecom attacks, develop ML models and distributed platforms, deliver end-to-end features, ensure reliability and test coverage, participate in on-call rotation, and collaborate across engineering, product, and partner teams.

Design, develop, and optimise embedded firmware and real-time systems for security products. Collaborate with hardware, software, and QA teams to integrate and validate microcontroller/microprocessor-based solutions. Write efficient C/C++ code, use hardware debugging tools, ensure compliance with industry standards, and stay current with embedded technologies.

Lead the Options Engineering team, enhance trading infrastructure, and evolve systematic options trading with a focus on automated systems and risk management.

The Engineering Lead for Options will oversee a team, improve trading systems, and support the platform's evolution, focusing on options trading.

The Software Engineer will develop backend systems using Rust, manage multimodal data, and improve data infrastructure with a focus on performance and design ownership.