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About ESR ESR is a leading Asia-Pacific real asset owner and manager focused on logistics real estate, data centres, and energy infrastructure that power the digital economy and supply chain for investors, customers, and communities. Through our fully integrated real asset fund management and development platform, we strive to create value and growth opportunities for our global portfolio of investors. We offer our customers modern space solutions to realise their ambitions across Australia and New Zealand, Japan, South Korea, Greater China, Southeast Asia, and India, including a presence in Europe . About the Role The Enterprise Application Architect is responsible for designing and governing ESR Group's cross-platform application architecture, with a primary focus on data integration, systems interoperability, and cross-system design impact analysis.  Working within ESR's agreed enterprise architecture direction, this role ensures that technology solutions are well-integrated, technically sound, and aligned to the Group's transformation objectives. Given ESR's complex real estate and investment management operating environment, the Enterprise Application Architect is expected to possess strong domain expertise in the applications and technology ecosystems commonly used across real estate investment, asset management, property management, development projects, leasing, facilities management, finance, procurement, and corporate functions. The role requires the ability to understand how technology supports end-to-end business processes across these domains and to provide architecture guidance that aligns with industry best practices. This role provides hands-on technical leadership across application integration, data flows, and platform connectivity — working closely with business stakeholders, delivery teams, and technology partners to ensure that systems connect effectively and that design changes are assessed for cross-platform impact. The Enterprise Application Architect acts as a trusted technical partner to project delivery teams, and business functions, helping maintain coherence and integrity across ESR's evolving technology landscape. Location This role will be based in Singapore and will require regional engagement across ESR Group's operating markets as required. Key Responsibilities Cross-System Design & Integration Architecture Design and govern data integration patterns, APIs, and middleware approaches across ESR's technology landscape. Lead cross-system design impact analysis for new, evolving, or decommissioned platforms. Define integration standards and data flow patterns that support interoperability between enterprise applications. Produce integration of architecture blueprints, interface specifications, and system dependency models. Ensure data consistency, quality, and traceability across integrated systems and platforms. Technical Architecture & Platform Alignment Provide technical architecture guidance to project and delivery teams, aligned to ESR's agreed enterprise architecture direction. Review proposed technical designs for cross-platform consistency, integration risk, and architectural coherence. Support the evaluation and selection of platforms and tools where technical architecture input is required. Identify opportunities to reduce integration complexity, technical debt, and system duplication. Maintain reference architectures and technical standards for integration, data flows, and platform connectivity. Architecture Governance & Standards Support architecture governance processes by reviewing solution designs for integration and cross-system impacts. Ensure technical designs comply with enterprise architecture standards, security requirements, and integration principles. Collaborate with project teams to identify and resolve integration risks and design conflicts early. Contribute to technology procurement and vendor evalua