Full Stack Developer Job at Yrefy LLC, Phoenix, AZ

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  • Yrefy LLC
  • Phoenix, AZ

Job Description

Job Title: Full Stack Developer

Status: Full-time, On-site

Department: Technology

Reports to: Director of Engineering

About the Role

We're seeking full stack engineers to expand our platform's API and service capabilities. You'll design, implement, and support high-performance, maintainable code that integrates cleanly across multiple modules and external systems. This role is hands-on: building production-grade code, reviewing pull requests, and helping shape our architectural standards. You'll work closely with DevOps, QA, and UI teams to ensure seamless delivery. This is an  ONSITE  role in Phoenix with genuine flexibility. Core collaboration hours are 10 AM–3 PM — manage your schedule around that. We don't track hours or micromanage — we hire professionals and treat them accordingly. You'll work with experienced engineers who value clean design, accountability, and getting things done right.

Must be authorized to work in the U.S. (no visa sponsorship available )

Key Responsibilities

  • Design, build, and maintain  RESTful APIs and background services in  C#/.NET
  • Implement integrations with internal systems and external financial APIs.
  • Optimize data access and storage using  Entity Framework SQL Server , and efficient query design. 
  • Follow and enforce clean architecture and code quality standards. 
  • Profile, tune, and refactor slow endpoints and database queries.
  • Collaborate with QA and UAT teams to ensure production reliability.
  • Participate in design sessions, code reviews, and sprint ceremonies.
  • Communicate clearly across disciplines — UI, QA, DevOps, and Product.
  • Contribute to team documentation and shared coding practices.

What You Bring

  • 2–4 years professional experience in  C# and .NET Core/.NET Framework
  • Strong understanding of  RESTful API design and  microservice patterns
  • Experience with  Microsoft SQL Server , stored procedures, and performance tuning. 
  • Familiarity with  Azure services (App Service, Key Vault, Service Bus, Functions). 
  • Experience integrating with  CI/CD pipelines (Azure DevOps preferred). 
  • TypeScript Framework experience
  • Strong debugging, analytical, and communication skills.
  • Ability to balance shipping features with maintaining system stability.

What We Value

  • Problem solvers who propose solutions, not just identify issues.
  • Self-awareness to spot gaps in your own work and communicate them.
  • Professionals who meet realistic deadlines without hand-holding.

What We Offer

  • 100% Employer Paid Medical for Employee AND Whole Family Includes the Mayo Clinic
  • 401k/Roth Plan 4% Match with Immediate Vesting
  • Dental Insurance
  • Vision Insurance
  • Company Paid Term Life Insurance
  • Company Paid Short-and Long-Term Disability Insurance
  • Voluntary Pet Discount Plan
  • Fully Subsidized LifeTime Gym Membership*
  • Student Loan Repayment
  • Tuition Reimbursement
  • Catered Friday Lunches
  • Stocked Kitchens
  • Opportunity to Work at a Fast-Growing Company
  • Patent credit 
  • And More

Work Environment

This is a primarily  onsite role with genuine flexibility. Core collaboration hours are 10 AM – 3 PM ; manage your full schedule around that. Need a morning at home for an appointment? Handle it. We don't track hours or micromanage — we hire professionals and treat them accordingly. We encourage experimentation, learning from mistakes, and continuous improvement across teams.

Job Tags

Full time, Temporary work, Immediate start, Visa sponsorship, Day shift

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