Software Engineer Senior

Acuity Inc. (NYSE: AYI) is a market-leading industrial technology company. We use technology to solve problems in spaces, light and more things to come. Through our two business segments, Acuity Brands Lighting (ABL) and Acuity Intelligent Spaces (AIS), we design, manufacture, and bring to market products and services that make a valuable difference in people’s lives.

We achieve growth through the development of innovative new products and services, including lighting, lighting controls, building management solutions, and an audio, video and control platform. We focus on customer outcomes and drive growth and productivity to increase market share and deliver superior returns. We look to aggressively deploy capital to grow the business and to enter attractive new verticals.

Acuity Inc. is based in Atlanta, Georgia, with operations across North America, Europe and Asia. The Company is powered by approximately 13,000 dedicated and talented associates. Visit us at  .

At Acuity, we are building a modern, scalable Customer Identity and Access Management (CIAM) platform to support our growing portfolio of digital products, customers, partners, and digital experiences across Acuity Commerce and other business units.

As a Full Stack Software Engineer, you will play a key role in designing, developing, and operating the next generation of customer identity services that power authentication, authorization, user management, customer onboarding, and secure access across multiple digital products and channels.

You will work closely with Platform Engineering, Security, Product, and Architecture teams to build highly scalable cloud-native solutions that provide seamless and secure customer experiences. This is an opportunity to help establish a strategic shared platform that will be consumed across multiple Acuity businesses and products

• Design, develop, and maintain cloud-native applications supporting CIAM capabilities.
• Build customer-facing identity experiences including registration, login, MFA, profile management, account recovery, and consent management.
• Develop scalable backend services, APIs, and microservices supporting identity workflows.
• Build responsive and accessible user interfaces using modern frontend technologies.
• Implement secure authentication and authorization mechanisms across web, mobile, and API channels.
• Collaborate with architects and IAM specialists to implement identity design patterns and standards.

• Integrate applications with CIAM platforms such as Microsoft Entra External , Okta, Auth0, or other Identity Providers (IdPs).
• Implement:
  • Single Sign-On (SSO)
  • Multi-Factor Authentication (MFA)
  • Passwordless Authentication
  • Federated Identity
  • Customer Self-Service Registration
  • Customer Profile Management
• Support B2B, B2C, and partner identity use cases.
• Implement customer lifecycle management and user provisioning workflows.
• Build identity APIs and services enabling secure access across multiple products and digital ecosystems.
• Design and develop secure RESTful and event-driven APIs.
• Build highly available microservices and distributed systems.
• Implement integration services connecting identity platforms with business applications.
• Develop reusable SDKs, components, and shared services to accelerate adoption across engineering teams.
• Optimize application performance, reliability, and scalability.

• Develop intuitive user experiences for identity-related customer journeys.
• Build reusable UI components and design system integrations.
• Ensure responsive, secure, and accessible interfaces across devices and platforms.
• Partner with UX teams to deliver frictionless customer authentication experiences.

• Apply secure coding principles and industry best practices.
• Implement OAuth 2.0, OpenID Connect (OIDC), and token-based authentication flows.
• Support threat modelling, vulnerability remediation, and security reviews.
• Build automated testing for application and identity workflows.
• Ensure compliance with privacy and security requirements including GDPR and…