Technical Lead Software Engineer

Acuity; Cork; On-site; EUR 120,000 - 160,000; Full time

Job summary

Acuity Inc. is seeking a Technical Lead Software Engineer in Ireland to lead a local development team and shape architecture for cloud-native SaaS solutions connected to IoT devices.

You will balance hands-on engineering with technical leadership to deliver scalable, secure platforms within our Facilities ecosystem. You will mentor engineers, drive design reviews, implement robust CI/CD, and collaborate with product, security, and operations across multiple locations to accelerate delivery of

Qualifications

• 10+ years of professional software development experience.
• Strong expertise in C# and .NET (Core/6+).
• Hands-on cloud experience (Azure/AWS/GCP) with IoT and edge integration.
• Solid CI/CD knowledge and IaC tooling.
• Experience designing scalable multi-tenant SaaS architectures.
• Proven technical leadership and mentoring.

Responsibilities

• Lead and mentor a local development team.
• Set architectural direction and conduct design reviews.
• Develop scalable cloud-based SaaS apps with IoT integration.
• Champion CI/CD and DevOps practices.
• Collaborate with cross-functional teams across locations.
• Contribute to technology roadmaps.

Skills

C#/.NET

Cloud platforms

CI/CD

SaaS architecture

TypeScript/React

Leadership

Tools

Docker

Kubernetes

Azure DevOps

GitHub Actions

IaC

Job description

Job Summary

Are you a team player who loves diving into technology? Do you want to contribute to a team that strives to solve demanding problems and operates in a space directly involved in reducing the carbon footprint of buildings? Join our team! We are seeking a Technical Lead Software Engineer with strong architectural expertise to lead a local development team while collaborating closely with a larger, distributed organisation. This role blends hands‑on engineering with technical leadership, driving the design and delivery of scalable SaaS solutions integrated with IoT devices in a secure, cloud‑native environment. You’ll be shaping the future of smart buildings by architecting solutions on Facilities—our cloud and edge platform that powers three transformative modules: Organize to simplify deployment and maintenance workflows, Operate to deliver real‑time building insights and seamless interaction, and Optimize to uncover inefficiencies and drive peak performance for truly intelligent spaces.

Key Tasks & Responsibilities

• Lead and mentor a local team of developers, ensuring technical excellence and alignment with global engineering standards.
• Act as the technical reference for architecture decisions, design reviews, and best practices.
• Design and develop cloud‑based SaaS applications emphasizing scalability, security, reliability, and performance.
• Integrate IoT devices with cloud platforms (telemetry ingestion, device management, OTA updates).
• Champion CI/CD and DevOps practices to optimize delivery pipelines and reduce lead time to production.
• Collaborate with cross‑functional teams across multiple locations (Product, QA, Security, Ops) to deliver high‑quality solutions.
• Contribute to technology roadmaps and drive continuous improvement.

Skills And Minimum Experience Required

• 10+ years of professional software development experience.
• Strong expertise in C# and .NET (Core/6+), with production‑grade services/APIs.
• Hands‑on experience with modern cloud platforms (Azure, AWS, GCP) including services for compute, serverless, storage, messaging/eventing, IoT, secure configuration management, and infrastructure‑as‑code tooling.
• Solid understanding of CI/CD pipelines and DevOps practices (Azure DevOps/GitHub Actions, branching strategies, IaC).
• Track record designing scalable, multi‑tenant SaaS architectures.
• Demonstrated technical leadership (tech lead or team lead), mentoring and code quality ownership.
• Experience with modern frontend engineering using TypeScript and React, including component architecture, state management, API integration, testing, and performance.

Preferred Skills And Experience

• Experience with IoT device integration and cloud connectivity (MQTT/AMQP, TLS, provisioning).
• Microservices, containers, and orchestration (Docker, Kubernetes/AKS).
• Event‑driven architecture and messaging (Service Bus, Event Grid, Kafka).
• Experience with cloud security best practices, identity management (OAuth2, OpenID Connect), and data encryption.
• Experience with performance tuning for large‑scale SaaS platforms.

Equal Opportunity Employer

We value diversity and are an equal opportunity employer. All qualified applicants will be considered for employment without regard to race, color, age, gender, sexual orientation, gender identity and expression, ethnicity or national origin, disability, pregnancy, religion, covered veteran status, protected genetic information, or any other characteristic protected by law.

Accommodation for Applicants with Disabilities

As an equal opportunity employer, Acuity Inc. is committed to providing reasonable accommodations in its application process for qualified individuals with disabilities and disabled veterans. If you have difficulty using our online system due to a disability and need an accommodation, you may contact us at (770) 922‑9000, select option 4. Please clearly indicate what type of accommodation you are requesting and for what requisition.

E‑Verify Participation

E‑Verify: e-verify.gov EEOC: eeoc.gov