Principal Platform Engineer

About UMATR and the Role

UMATR is a fast-growing technology company that develops connected-worker and operational software for large-scale construction and industrial environments. Their platform integrates data from connected devices, workers, and sites to power real-time safety, compliance, and productivity applications. UMATR is seeking a Principal Platform Engineer to join their team in Al Khobar, Eastern, for a full-time position.

Role Summary

The Principal Platform Engineer will assume senior technical ownership across the company's platform. This involves shaping architectural decisions, addressing complex distributed-systems challenges, and establishing engineering standards, while maintaining a deeply hands-on approach to development and implementation.

Key Responsibilities

• Own the technical architecture across backend services, data pipelines, APIs, SDKs, streaming, and platform infrastructure.
• Design and build scalable, multi-tenant platform capabilities that connect workers, devices, sites, events, and customer workflows.
• Define governed data pipelines with clear contracts, lineage, quality controls, and reliable replay mechanisms.
• Develop secure and scalable APIs and SDKs for internal teams, partners, customers, and AI applications.
• Make pragmatic technology and data-store decisions across relational, time-series, streaming, search, and vector workloads.
• Drive the evolution of the backend platform, primarily using C#/.NET, and contribute across other languages where appropriate.
• Shape the technical direction for AI-native capabilities, including AI agents, retrieval, tool use, Multi-Party Computation (MCP), and model evaluation.
• Improve engineering standards across testing, CI/CD, observability, release processes, and production operations.

Required Qualifications and Experience

• 10+ years of software engineering experience, demonstrating sustained impact at a Staff, Principal, Lead Architect, or equivalent level.
• Proven experience in designing and delivering scalable SaaS platforms or complex distributed systems in a production environment.
• Strong backend and distributed-systems expertise, with deep hands-on experience in at least one of C#/.NET, Go, Python, Java, or *****
• Strong API design experience across REST and/or GraphQL, coupled with knowledge of authentication and identity patterns such as OAuth, JWT, and SSO.
• Experience with cloud platforms such as GCP and/or AWS, along with proficiency in Kubernetes, Terraform, containers, CI/CD practices, and observability tools.
• Experience working with governed data platforms, ontologies, data lineage, or similar systems.
• Hands-on experience with modern AI integration patterns, including LLM prompting, RAG, tool/function calling, Multi-Party Computation (MCP), or agent architectures.
• Exceptional written and spoken English communication skills.

Location and Employment Type

This full-time position is based in Al Khobar, Eastern. Salary details will be discussed directly with qualified candidates.