Senior .NET Engineer

Phoenix Staff, Inc.; Tempe (AZ); Hybrid; USD 125,000 - 140,000; Full time

Job summary

A leading staffing agency is seeking a Senior .NET Engineer in Tempe, AZ for a hybrid role. The ideal candidate has over 5 years of experience with C# and .NET, excels in Agile environments, and has a passion for leveraging AI. Responsibilities include collaborating with teams to design scalable software solutions and optimizing database performance. Join a dynamic SaaS product team focused on innovation.

Qualifications

• 5+ years of professional software development experience with C# and .NET.
• Expertise in designing relational databases and performance optimization.
• Ability to convert business requirements into scalable technical designs.

Responsibilities

• Translate business requirements into clear user stories and scalable designs.
• Facilitate discussions on architecture and design to drive sound decisions.
• Collaborate with teams to meet sprint goals and deliver quality releases.

Skills

C#

.NET (Standard/Core)

Agile/Scrum/Kanban environments

SQL

AI integration

Node.js

Angular

MongoDB

Education

Bachelor's degree in Computer Science or related field

Job description

This range is provided by Phoenix Staff, Inc.. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$125,000.00/yr - $140,000.00/yr

Title: Senior .NET Engineer
Location: Tempe, AZ (Hybrid onsite)

Join a modern SaaS product team to design and build secure, scalable features for a high‑volume, multi‑tenant process‑automation platform. Partner with architects and product leaders to deliver maintainable solutions using contemporary patterns, cloud services, and thoughtful use of AI.

Your role

• Translate business requirements into clear user stories and scalable technical designs.
• Facilitate technical discussions on architecture, design, and problem solving to drive sound decisions.
• Be a strong voice in Agile ceremonies-planning, backlog refinement, demos, and retros.
• Collaborate with engineering, product, and QA to meet sprint goals and deliver quality releases.
• Apply OOP principles and design patterns to build maintainable, testable components.
• Design and optimize database schemas and queries for performance and reliability.
• Champion best‑fit technologies and approaches to achieve desired outcomes, not just preferred stacks.
• Leverage AI thoughtfully to enhance developer productivity and product capabilities.
• Uphold code quality through reviews, testing practices, and clear documentation.

What you've got

• 5+ years of professional software development with C# and .NET (Standard/Core).
• 5+ years working in collaborative, team‑based environments delivering production software.
• 5+ years designing relational databases and writing performant SQL queries.
• Deep knowledge of object‑oriented principles and modern design patterns.
• Experience delivering software in Agile/Scrum/Kanban environments.
• Ability to convert business needs into robust, scalable technical designs.
• Experience designing and implementing solutions with AWS services. (Preferred)
• Experience creating or integrating AI agents. (Preferred)
• Proficiency with Node.js. (Preferred)
• Advanced experience with Angular. (Preferred)
• Familiarity with document databases such as MongoDB or DocumentDB. (Preferred)
• Knowledge of identity protocols including OAuth, OpenID Connect, and SAML. (Preferred)
• Bachelor's degree in Computer Science, Information Technology, Mathematics, or a related field; or equivalent experience.
• Passion for continuous learning and for leveraging AI where it adds real value.

Seniority level: Mid‑Senior level

Employment type: Full‑time

Job function: Information Technology, Product Management, and Project Management