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Full-Stack Software Developer (.Net Maui Mobile App)Applications International ‱ San Diego, California, United States
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Full-Stack Software Developer (.Net Maui Mobile App)

Applications International
  • US
    San Diego, California, United States
  • US
    San Diego, California, United States
Apply Now

About

Full-Stack Software Developer (.Net Maui Mobile App)
About Us We are a dynamic SaaS company building innovative software solutions that make a difference in the Environmental Health Risk and Safety industry. Our collaborative team is passionate about technology and committed to excellence. We are looking for a talented Full-Stack Mobile Developer to join our team in San Diego, CA and help drive our technical vision forward.
THIS IS AN ON-SITE POSITION IN SAN DIEGO, CA 92127.
Candidates must currently reside in the San Diego, CA area. This position does not offer relocation assistance.
Competitive Salary Range: $115,000-$130,000 per year DOE
The Opportunity We are looking for a Senior Full-Stack Software Developer with strong .NET MAUI expertise to join our engineering team in San Diego, CA. This role is for a skilled software engineer who happens to be highly proficient in mobile, and you thrive when working across the entire technology stack. It is a broad, versatile role for a well‑rounded .NET developer who can own our customer‑facing mobile application while also contributing across back‑end services, APIs, web development, data integrations, and authentication systems. You will be a key contributor in a collaborative, close‑knit engineering team where your work has direct and visible impact on our product and our clients every single day.
Responsibilities Mobile Application Development (.NET MAUI)
Design, develop, and enhance our customer‑facing cross‑platform mobile app using .NET MAUI
Implement intuitive, responsive UI/UX consistent with iOS and Android platform standards
Identify and resolve bugs to maintain a seamless, high‑quality mobile user experience
Manage application upgrades and keep the mobile development environment current
Ensure ongoing compliance with Google Play Store and Apple App Store policies and guidelines
Own the mobile app release cycle including build management and store submissions
Back-End & Web Development
Design and develop scalable web application components using ASP.Net, MVC, C#, and VB.Net
Build, maintain, and enhance back‑end services, modules, and application features across our platform
Develop and maintain Queues, Loaders, and SSIS Loaders supporting API and data workflows
Build and maintain Reports and Dashboards across various modules of our application
Contribute to database design, query optimization, and data management tasks as needed
API Development & Client Integration
Develop, maintain, and troubleshoot our public‑facing RESTful APIs
Work directly with clients to diagnose and resolve issues encountered during API integration
Document API changes and maintain clear, up‑to‑date integration guides for external partners
Authentication & SSO
Implement and enhance Single Sign‑On (SSO) flows and authentication integrations
Troubleshoot and resolve SSO‑related issues reported by clients and end users
Maintain secure, standards‑compliant authentication across mobile and web surfaces
Cloud, DevOps & Team Collaboration
Leverage Azure cloud services for hosting, storage, and backend infrastructure
Contribute to and maintain CI/CD pipelines following DevOps best practices
Participate in code reviews, architectural discussions, and sprint planning
Mentor junior developers and actively contribute to a culture of engineering excellence
Stay current with .NET ecosystem updates, mobile platform changes, and industry best practices
The Ideal Candidate Education
Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field from an accredited college or university — required
Master’s degree or post‑graduate coursework in a related field — preferred
Equivalent combination of education and hands‑on professional experience will be considered in lieu of a formal degree
Relevant Microsoft or Azure certifications (e.g., Azure Developer Associate, Microsoft Certified: .NET Developer) — a plus
Work Experience
5+ years of professional full‑stack software development experience — required
3+ years of hands‑on mobile application development using .NET MAUI or Xamarin — required
3+ years of back‑end development experience using ASP.Net, MVC, C#, and/or VB.Net (required)
Proven experience developing, maintaining, and supporting public‑facing RESTful APIs (required)
Demonstrated experience with SSO implementation and identity provider integrations (required)
Experience with SSIS, data loaders, queues, and reporting/dashboard development (required)
Experience with Azure cloud services and CI/CD pipeline management (required)
Experience across multiple areas of the Microsoft .NET stack beyond mobile (web, data, integrations) (required)
Prior experience with App Store and Google Play submission, compliance, and release management — preferred
Experience working directly with external clients on technical troubleshooting and integration support — preferred
Knowledge, Skills & Abilities Technical Knowledge
Deep knowledge of the Microsoft .NET ecosystem including C#, ASP.Net, MVC, VB.Net, and .NET MAUI
Strong understanding of object‑oriented programming (OOP) principles, design patterns, and software architecture
Knowledge of RESTful API design, development, versioning, and best practices
Familiarity with SSO protocols such as OAuth 2.0, OpenID Connect, and SAML
Understanding of mobile UI/UX principles and iOS/Android platform‑specific design guidelines
Knowledge of secure coding practices, scalable architecture, and performance optimization
Familiarity with SQL Server, database design fundamentals, and data pipeline management (SSIS, Queues, Loaders)
Understanding of CI/CD workflows, DevOps practices, and Agile/Scrum methodologies
Awareness of emerging .NET technologies and the ability to evaluate and adopt new tools as needed
Technical Skills
Proficient in .NET MAUI and Xamarin for cross‑platform iOS and Android mobile development
Skilled in full‑stack web development using ASP.Net, MVC, C#, and VB.Net
Experienced in developing, consuming, and troubleshooting RESTful APIs and third‑party integrations
Hands‑on experience with Azure cloud services including hosting, storage, and authentication
Proficient with version control tools, particularly Git
Ability to build and maintain SSIS loaders, queues, data pipelines, and reporting dashboards
Competent with CI/CD tooling such as Azure DevOps or GitHub Actions
Proficient with Visual Studio and the broader Microsoft development toolchain
Abilities & Soft Skills
Versatile, adaptable and equally comfortable writing mobile UI code and architecting a backend API
Ability to work independently and take full ownership across the entire software development lifecycle
Strong analytical and problem‑solving skills with a detail‑oriented and solution‑focused mindset
Effective written and verbal communication skills, including client‑facing technical support
Ability to collaborate within a larger engineering team while managing individual deliverables
Capacity to mentor junior developers and contribute to a culture of continuous improvement
Proactive in keeping current with evolving technologies, platform requirements, and compliance standards
Benefits
Competitive salary range: $115,000-$130,000 per year DOE
401K Retirement with a generous 6% employer match – 100% vested immediately
Medical Coverage (HMO & PPO options) – 100% paid by employer for employee and their dependents
Employer‑paid life insurance
Dental and Vision coverage
Vacation Time Off
Paid Holidays
Sick Leave
Wellness Program including weekly chair massage and in‑office gym
Company‑provided daily office snacks
Dog‑friendly office
Work Schedule & Location
Monday to Friday, 8 AM to 5 PM; occasional weekends depending on business needs
On‑site position in San Diego, CA 92127
Physical Requirements The physical demands are representative of those that must be met by an employee to successfully perform the essential functions of this job with or without reasonable accommodation.
This position primarily involves computer work in an office environment and may occasionally require lifting/moving items up to 50 pounds.
Equal Opportunity Employer We are an Equal Opportunity Employer and value diversity at our company. The statements above is intended to describe the general content of and requirements for the performance of this job. It is not to be construed as an exhaustive statement of duties, responsibilities or physical requirements. Nothing in this job description restricts management’s right to assign or reassign duties and responsibilities to this job at any time. The physical demands are representative of those that must be met by an employee to successfully perform the essential functions of this job with or without reasonable accommodation.
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  • San Diego, California, United States

Languages

  • English
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