Azure Platform Lead & Principal Engineer

Aperia Solutions; Dallas (TX); On-site; USD 180,000 - 240,000; Full time

Job summary

Aperia Solutions, a Dallas-based payments SaaS company, seeks a Principal Engineer/Technical Lead to drive heavy technical lifting across Azure, C#/.NET and Python. You will own critical production systems, validate architecture with prototypes, and lead multi-team delivery with a strong engineering mindset.

You will implement enterprise patterns, design scalable solutions, and collaborate closely with executive leadership to ensure secure, compliant and cost-effective outcomes.

Responsibilities

• Hands-on engineering, POCs and heavy lifting (≈50%)
• Build working prototypes and POCs for advanced concepts (LLM/RAG services, event-driven pipelines, multi-tenant patterns) to retire technical risk before teams commit.
• Own the hardest technical slices end to end: write and ship production-quality C#/.NET and Python, debug production issues, and unblock teams by doing the work rather than delegating it.
• Implement enterprise design patterns in real code: event-driven and messaging (outbox, saga, idempotent consumers, retries and dead-lettering), CQRS, resilience (circuit breaker, bulkhead, backpressure), caching and multi-tenant isolation.
• Author and review IaC (Terraform/Bicep), Helm charts and CI/CD pipelines; build the golden-path templates teams adopt.
• Benchmark and load test candidate designs; bring numbers, not opinions, to technical decisions.
• Take on heavy-lift tasks directly from the SVP: technical spikes, hands-on vendor evaluations, migration tooling, and performance and cost investigations.
• Design and implementation patterns: service boundaries, contracts, data models and deployment topology across AKS, Container Apps, Functions, APIM, Service Bus/Event Hubs, Cosmos DB and Azure SQL.
• Build and harden integration paths into Microsoft Fabric (OneLake, Lakehouse/Warehouse, mirroring, Real-Time Intelligence), knowing where the sharp edges are from having hit them.
• Write ADRs and design docs for the decisions made during implementation, and contribute to architecture reviews and threat models with implementation-level detail.
• Implement regulated-workload controls in code and IaC: network isolation, private endpoints, identity (Entra ID, managed identity, workload identity), secrets, encryption and audit.
• Bring run-cost to every build: estimate before, measure after, and flag designs that won't scale economically.
• Technical leadership with delivery teams (≈25%)
• Act as the SVP's chief lieutenant on technical execution: carry decisions into teams, keep builds aligned with approved designs, and stand in on technical matters when the SVP is unavailable.
• Run design reviews, code reviews and technical checkpoints with onshore and offshore teams across multiple time zones.
• Mentor senior engineers and tech leads; raise the bar on implementation quality, testing and observability.
• Translate implementation status and risk into concise options for technology leadership, and work directly with security, product and vendors.

Job description

Aperia Solutions, a Dallas-based payments SaaS company, seeks a Principal Engineer/Technical Lead to drive heavy technical lifting across Azure, C#/.NET and Python. You will own critical production systems, validate architecture with prototypes, and lead multi-team delivery with a strong engineering mindset.

You will implement enterprise patterns, design scalable solutions, and collaborate closely with executive leadership to ensure secure, compliant and cost-effective outcomes.