Senior.NET Lead Architect

Senior .NET Lead Architect – Azure Performance Optimization (Part-Time, Contract – 25%)

We build digital products that businesses and their customers can’t live without. From initial design through proactive maintenance and all the engineering in between, we work alongside technology leaders to build digital products with staying power. No two projects share a starting point, but the goal is the same :   Mainstays for customers. Growth engines for clients.

As a  Senior .NET Lead Architect  at Foxbox Digital, you’ll lead the modernization and performance-scaling of a healthcare-focused Azure platform from 500 to 10,000 transactions per minute. This role blends  hands-on technical leadership, deep Azure expertise, and direct client engagement . You’ll diagnose system bottlenecks, architect scalable cloud solutions, and guide a small cross-functional team through optimization and validation.

This is a  part-time (25%) contract role for 3 months , ideal for a senior technologist who thrives on performance challenges, architectural depth, and collaborative leadership.

The role is fully remote and open to applicants across the  United States and LATAM . If U.S.-based, candidates  must be eligible to work in the United States .

What Success Looks Like (First 3 Months)

• You’ve established trust with client engineering and product stakeholders as the lead architect and technical authority.
• Performance and scalability testing is completed, with clear insight into system limits and opportunities.
• Azure infrastructure and .NET APIs are optimized for 10,000 TPM throughput, validated through measurable results.
• The Foxbox team executes confidently under your leadership, following clear technical direction and standards.
• The client sees tangible improvement in reliability, speed, and cost-efficiency — and confidence in Foxbox’s architectural leadership.

Responsibilities

Requirements

Who You Are

Engagement Details

Diversity and Inclusion

Foxbox Digital is an LGBT-certified company (Illinois and National LGBT Chambers of Commerce). We are committed to building diverse and inclusive teams that power the digital revolution. We provide equal employment opportunities for all, ensuring a work environment free of discrimination and harassment. All employment decisions are based on business needs, job requirements, and individual qualifications. Foxbox encourages applicants of all backgrounds, ages, and experiences.

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