Lead Software Engineer

Lead Full Stack .NET Developer

Company
: Spire Soft LLC

Location
: Hybrid – Fresno, California

Eligibility
: California applicants only • Green Card holders or U.S. Citizens only

Schedule
: Monday – Friday (Weekends Off)

Employment Type
: 90-Day Probationary Period (leading to Full-Time)

Compensation
**: $45–$55 per hour (based on technical skill and expertise)<**
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The Role

We are seeking a high-caliber Lead Full Stack .NET Developer to lead and build modern applications from the ground up. This role goes beyond development — we are looking for someone who can architect scalable systems, maintain high engineering standards, and independently drive projects to completion while supporting and mentoring the team when needed.

You will have the autonomy to manage projects independently while collaborating closely with the team to ensure clean architecture, efficient performance, and timely delivery. We value real-world technical expertise, ownership, and execution over years of experience alone.

Key Responsibilities

• Design and develop scalable application architecture using industry best practices

• Take complete ownership of project delivery and technical execution

• Lead code reviews, mentor developers, and assist team members in resolving technical blockers

• Optimize database structures, queries, and overall system performance

• Implement clean coding standards, testing strategies, and maintainable development practices

• Continuously explore and adopt modern technologies to improve system capabilities

Technical Requirements Core Stack (Required)

• Advanced proficiency in .NET Core / .NET 8+

• Strong frontend development experience with Angular or React

• Expertise in SQL Server or MySQL, including query optimization and performance tuning

• Experience implementing unit testing, integration testing, and Test Driven Development (TDD)

Data & Analytics

• Experience with Dashboarding and Business Intelligence (BI) tools

**Preferred Qualifications

• Experience with Flutter, React Native, or native Swift de

velopment

• Familiarity with Machine Learning (ML) or Natural Language Processing (NLP) technologies

Professional Attributes

• Self-driven and capable of independently managing the full project lifecycle

• Strong time management and ability to deliver under deadlines

• Adaptable mindset with a passion for continuous learning

• Ownership mentality with a focus on long-term product and team success

What We Offer

• Competitive merit-based compensation tied to technical skill and performance

• Hybrid work environment based in Fresno, California

• Strict Monday to Friday schedule — weekends remain work-free

• Clear growth path from probationary period to permanent leadership role

• High-autonomy environment focused on results, quality, and innovation**