Sr. UI Developer (.NET C#/AWS/SQL)

📍 Job Overview

Job Title: Sr. UI Developer (.NET C#/AWS/SQL)

Company: Jobgether (Partner Company)

Location: United States

Job Type: Full-time

Category: Software Engineering / Web Development

Date Posted: May 27, 2026

Experience Level: Mid-Senior Level (6+ years)

Remote Status: Fully Remote

🚀 Role Summary

• Design, develop, and maintain complex enterprise-grade web applications and UI components using ASP.NET C# within a healthcare technology context.

• Leverage AWS cloud services for application hosting and deployment, ensuring scalability and reliability.

• Collaborate extensively with cross-functional teams to analyze requirements, design solutions, and integrate third-party systems.

• Provide critical production support, troubleshoot issues, and drive continuous improvement in development and system optimization processes.

• Utilize Microsoft SQL Server for data management, query writing, and supporting data transformation initiatives.

📝 Enhancement Note: While the title is "Sr. UI Developer," the description emphasizes a "UI and full stack-oriented developer" role, indicating a need for backend .NET C# proficiency alongside front-end development. The healthcare technology focus suggests a need for understanding complex data structures and compliance requirements.

📈 Primary Responsibilities

• Write, test, debug, implement, and document robust web and application components using ASP.NET C#, ensuring high standards of maintainability and performance.

• Develop and enhance user interface (UI) components and full-stack web applications that directly support critical healthcare administration services.

• Analyze intricate system requirements, gather detailed technical specifications, and produce comprehensive documentation for application changes, enhancements, and new features.

• Facilitate seamless integration with various third-party systems and APIs, ensuring efficient data flow and robust system interoperability.

• Employ Microsoft SQL Server expertise to troubleshoot data-related issues, construct complex queries, and support essential data transformation processes.

• Maintain and optimize applications hosted within Microsoft IIS environments, guaranteeing system stability, high availability, and optimal performance.

• Engage actively in production support activities, promptly resolving incidents and proactively proposing effective, long-term technical solutions.

• Develop comprehensive test plans, execute quality assurance (QA) activities, and actively participate in peer code reviews to uphold code quality and system reliability.

• Partner with business stakeholders and cross-functional teams to architect and design solutions for enhancements and system improvements of varying complexity.

• Champion continuous improvement by proactively identifying and implementing more efficient and effective approaches for development, testing, and overall system optimization.

📝 Enhancement Note: The responsibilities highlight a blend of core development, system analysis, integration, and production support, typical of a senior role in a complex, regulated industry like healthcare. The emphasis on documentation and collaboration suggests strong communication and process adherence are critical.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience, is generally expected for a Sr. Developer role.

Experience: 6+ years of professional experience in UI development and application programming, with a strong focus on ASP.NET C#.

Required Skills:

• Minimum of 6 years of hands-on experience in UI development and application programming using ASP.NET C#.

• Proven, strong experience with core AWS cloud services and modern application deployment methodologies.

• Deep, hands-on expertise with Microsoft SQL Server, including advanced query writing, complex data troubleshooting, and data transformation tasks.

• Demonstrable experience in integrating third-party systems and complex APIs.

• Solid understanding of IIS hosting environments, web applications, and troubleshooting API-based systems.

• Proven experience developing and supporting enterprise-level web applications within production environments.

• Strong analytical, debugging, and problem-solving capabilities.

Preferred Skills:

• Familiarity with UNIX/LINUX operating systems and C batch processing environments.

• Prior experience working within the healthcare or Medicaid systems domain.

📝 Enhancement Note: The experience requirement is clearly defined as 6+ years. The distinction between "strong experience" and "familiarity" or "prior experience" for certain skills (AWS, healthcare) suggests these are key differentiators for candidates. The mention of UNIX/LINUX hints at potential legacy system integrations or specific backend dependencies.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase complex web application architectures and UI component designs, demonstrating proficiency in ASP.NET C#.

• Present case studies of successful third-party system integrations and API implementations, detailing the challenges overcome and solutions implemented.

• Include examples of SQL query optimization, data transformation processes, or database troubleshooting scenarios.

Process Documentation:

• Provide examples of technical documentation created for application changes, system requirements, or solution designs.

• Illustrate contributions to test plans, QA activities, or peer review processes, highlighting a commitment to code quality.

• Detail involvement in production support, problem resolution, and system optimization initiatives, showcasing a proactive approach to system stability.

📝 Enhancement Note: For a senior role, a portfolio should demonstrate not just coding ability but also architectural thinking, problem-solving in complex environments, and a structured approach to development and support. Highlighting contributions to process improvement is crucial.

💵 Compensation & Benefits

Salary Range: $80,000 - $100,000 annually.

Explanation of Range: This range is provided by the hiring organization and is dependent on the candidate's specific experience level, qualifications, and potentially the cost of living in their remote location within the US.

Benefits:

• Competitive annual salary.

• Fully remote work opportunity across the United States.

• Comprehensive health, dental, and vision insurance plans.

• 401(k) retirement savings plan with a generous employer match.

• Flexible and generous paid time off (PTO) policy.

• Educational assistance and tuition reimbursement programs to support professional development.

• Access to leadership and technical development academies for career advancement.

• Numerous opportunities for continuous learning, obtaining certifications, and accelerating career growth.

• Occasional travel opportunities (estimated 0–10%).

• An inclusive and mission-driven work environment specifically focused on improving healthcare systems.

Working Hours: Standard full-time (likely 40 hours per week), with the flexibility inherent in a fully remote role. Occasional overtime may be required for production support or critical project deadlines.

📝 Enhancement Note: The salary range is explicitly provided. The benefits package is comprehensive, with a strong emphasis on professional development and growth, which is attractive for senior technical roles. The mention of occasional travel suggests some level of client interaction or team offsites may occur.

🎯 Team & Company Context

🏢 Company Culture

Industry: Healthcare Technology. This industry is characterized by stringent regulations, a focus on data security and privacy (HIPAA), and a mission-driven approach to improving patient outcomes and healthcare administration efficiency.

Company Size: Not explicitly stated, but the mention of "millions of users" and "enterprise-grade web applications" suggests a medium to large organization or a well-established startup with significant scale.

Founded: Not specified, but the context implies a company with existing, critical systems in place, suggesting it's an established entity rather than a very early-stage startup.

Team Structure:

• The role involves working within a development team that likely includes other UI/full-stack developers, potentially backend specialists, QA engineers, and DevOps personnel.

• Collaboration with product managers, business analysts, and potentially stakeholders in healthcare operations is expected.

Methodology:

• A strong emphasis on Agile or iterative development methodologies is probable, given the need for continuous improvement and collaboration.

• Data-driven decision-making, rigorous testing, and a focus on system reliability and scalability are key.

• The use of AWS and modern development practices suggests a CI/CD pipeline and automated testing are likely integral to their workflow.

Company Website: Jobgether is the platform posting this role on behalf of a partner company. The specific partner company's website is not provided directly in the listing.

📝 Enhancement Note: The healthcare technology sector implies a culture that values precision, compliance, and a commitment to a mission. The "partner company" aspect means candidates should be prepared for a potentially less transparent initial onboarding process regarding the end employer's specifics.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior (Sr.) level Developer role. It implies a significant level of autonomy, technical expertise, and the ability to mentor junior developers. The scope includes contributing to solution design, not just implementation.

Reporting Structure: The role likely reports to a Senior Engineering Lead, Development Manager, or Director of Engineering. Collaboration will extend across product, QA, and potentially operations/business units.

Operations Impact: This role has a direct impact on the functionality, reliability, and scalability of critical healthcare administration systems used by millions. Improvements in UI/UX, backend performance, and system integration directly affect user experience, operational efficiency, and potentially patient care outcomes.

Growth Opportunities:

• Technical Specialization: Deepen expertise in .NET C#, AWS services, or specific areas of healthcare technology.

• Leadership Development: Transition into a Tech Lead role, mentoring junior developers, leading feature development, and influencing technical direction.

• Architectural Design: Move towards software architecture roles, designing more complex systems and setting technical standards.

• Cross-functional Mobility: Potentially move into roles with more direct product management or business analysis involvement, leveraging technical understanding.

• Continuous Learning: Access to leadership and technical development academies, educational assistance, and certifications provides structured pathways for upskilling.

📝 Enhancement Note: The "Sr." title combined with the benefits around "leadership and technical development academies" and "career growth" strongly suggests a career path is available within the organization. The role is positioned as impactful, not just a coding position.

🌐 Work Environment

Office Type: Fully Remote. This implies a distributed workforce with no central physical office requirement for this position.

Office Location(s): United States. Candidates must be legally authorized to work in the US and reside within the country.

Workspace Context:

• The work environment is entirely digital, requiring a dedicated home office setup conducive to focused work and virtual collaboration.

• Access to company-provided tools and cloud-based development environments (AWS) will be essential.

• Collaboration will occur via video conferencing, messaging platforms, and shared documentation tools, emphasizing asynchronous communication skills.

Work Schedule: Typically a standard 40-hour work week, but flexibility is inherent in remote work. Occasional on-call duties or extended hours may be necessary for critical production support, especially given the healthcare industry's demands.

📝 Enhancement Note: The fully remote nature is a key aspect, requiring strong self-discipline and communication skills. The emphasis on "inclusive and mission-driven work environment" suggests a positive, collaborative culture despite the remote setup.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening (Jobgether AI): AI-powered matching to assess core requirements.

• Hiring Manager Screen: A conversation with the hiring manager to assess technical fit, experience alignment, and cultural compatibility. Expect questions about your ASP.NET C#, AWS, and SQL experience.

• Technical Interview(s): In-depth technical assessments, potentially including live coding exercises, system design discussions, and deep dives into past projects. Be prepared to discuss your approach to UI development, backend logic, database interactions, and AWS services.

• Portfolio Review/Project Deep Dive: A session dedicated to walking through selected projects from your portfolio. Focus on your role, technical challenges, solutions, and measurable outcomes.

• Final Interview: May involve senior leadership or cross-functional team members to confirm fit and discuss role expectations.

Portfolio Review Tips:

• Curate Selectively: Choose 2-3 projects that best showcase your Sr. UI/Full-Stack .NET C# skills, AWS experience, and SQL proficiency. Highlight projects with complexity, problem-solving, and measurable impact.

• Structure Your Narrative: For each project, clearly articulate the problem statement, your specific contributions, the technologies used (emphasize .NET C#, AWS, SQL), the challenges encountered, the solutions implemented, and the positive outcomes achieved (e.g., performance improvements, cost savings, enhanced user experience).

• Demonstrate Process: Show how you approach development, testing, debugging, and collaboration. If possible, include examples of documentation or process improvements.

• Be Ready for Technical Questions: Anticipate detailed questions about your code, architectural decisions, and problem-solving strategies.

Challenge Preparation:

• Coding Challenges: Practice ASP.NET C# coding problems, focusing on common algorithms, data structures, and web development patterns.

• System Design: Prepare to discuss how you would design a scalable, secure, and maintainable web application on AWS, integrating with databases and third-party services. Consider aspects like API design, database schema, caching, and deployment strategies.

• Troubleshooting Scenarios: Be ready to walk through how you would diagnose and resolve common issues related to web applications, .NET code, SQL queries, or AWS infrastructure.

📝 Enhancement Note: The "AI-powered matching process" by Jobgether is a unique first step. The subsequent stages will likely involve traditional technical interviews and a strong emphasis on portfolio demonstration. Candidates should prepare to articulate their technical decision-making and problem-solving processes.

🛠 Tools & Technology Stack

Primary Tools:

• ASP.NET C#: Core language and framework for backend development.

• .NET Core / .NET 5+: Modern versions of the .NET framework are likely in use.

• Web API / RESTful Services: For building backend services and integrations.

• HTML, CSS, JavaScript: For front-end development. Modern JavaScript frameworks (e.g., React, Angular, Vue.js) might be used, though not explicitly stated.

• Microsoft SQL Server: Primary database technology for data storage and retrieval.

Analytics & Reporting:

• AWS Cloud Services: Essential for hosting, deployment, and potentially monitoring. Specific services like EC2, S3, RDS, Lambda, API Gateway, CloudWatch are probable.

• IIS (Internet Information Services): For hosting web applications on Windows servers.

CRM & Automation:

• Version Control: Git (likely hosted on GitHub, GitLab, or Bitbucket) is standard for code management.

• CI/CD Tools: Jenkins, Azure DevOps, AWS CodePipeline, or similar for automated builds and deployments.

• Potentially: Tools for API integration, monitoring, and logging specific to the healthcare domain.

📝 Enhancement Note: The core stack is clear: .NET C#, AWS, and SQL Server. Understanding how these integrate and are deployed via IIS is crucial. Familiarity with modern .NET versions and common AWS services is expected.

👥 Team Culture & Values

Operations Values:

• Technical Excellence: A drive for high-quality, robust, and maintainable code, supported by thorough testing and best practices.

• Collaboration: Working effectively with cross-functional teams, sharing knowledge, and contributing to a supportive team environment.

• Problem-Solving: A proactive and analytical approach to tackling complex technical challenges in a critical industry.

• Continuous Improvement: A commitment to learning, adapting, and finding better ways to develop and manage systems.

• Mission-Driven: A dedication to the company's goal of improving healthcare systems, understanding the impact of their work.

Collaboration Style:

• Expect a highly collaborative environment, leveraging remote communication tools effectively.

• Regular team syncs, code reviews, and cross-functional meetings are likely standard.

• Openness to feedback and constructive criticism to ensure collective growth and project success.

📝 Enhancement Note: The "inclusive and mission-driven work environment" is a key cultural indicator. For a senior role, cultural fit often centers on proactivity, mentorship potential, and a shared commitment to the company's goals.

⚡ Challenges & Growth Opportunities

Challenges:

• Complexity of Healthcare Systems: Navigating the intricate requirements, regulations (like HIPAA), and legacy systems often found in healthcare technology.

• Scalability and Performance: Ensuring applications can handle millions of users and large data volumes reliably.

• Integration Complexity: Seamlessly connecting disparate third-party systems and internal services.

• Production Support Demands: Responding effectively to and resolving critical issues in a live healthcare environment where downtime can have significant consequences.

• Remote Collaboration: Maintaining strong team cohesion and efficient workflows in a fully distributed setting.

Learning & Development Opportunities:

• Structured Programs: Access to leadership and technical development academies offers formal training and mentorship.

• Educational Support: Financial assistance and tuition reimbursement for relevant courses, certifications, or further education.

• Industry Exposure: Working with cutting-edge AWS services and potentially modern front-end technologies.

• Career Advancement: Clear pathways to technical leadership, architecture, or management roles.

📝 Enhancement Note: The challenges are typical for senior roles in regulated industries. The growth opportunities are explicitly detailed, making this an attractive prospect for career-minded developers.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex UI feature you developed using ASP.NET C#. What were the technical challenges, and how did you overcome them?" (Focus on problem-solving, technical depth, and outcomes).

• "Walk me through a scenario where you had to integrate a third-party API. What were the key considerations, and how did you ensure data integrity and security?" (Highlight integration skills, API knowledge, and attention to detail).

Company & Culture Questions:

• "Why are you interested in working in the healthcare technology sector?" (Connect your motivations to the company's mission).

• "How do you stay current with advancements in .NET, AWS, and UI development?" (Showcase your commitment to continuous learning).

Portfolio Presentation Strategy:

• Quantify Impact: For each project, use metrics (e.g., "improved page load time by 30%", "reduced integration errors by 15%", "supported X million users") to demonstrate the value of your work.

• Showcase Architecture: Be prepared to draw diagrams or explain the architectural patterns used in your projects, especially those involving AWS and SQL Server.

• Tell a Story: Frame your project experiences as narratives, highlighting the problem, your role, the solution, and the positive outcome. Make it engaging and easy to follow.

• Highlight Collaboration: Discuss how you worked with other developers, product managers, or stakeholders.

📝 Enhancement Note: Candidates should prepare specific examples for each question, focusing on the ASP.NET C#, AWS, and SQL aspects. The portfolio presentation is a critical component, so practicing the narrative and being ready for deep technical dives is essential.

📌 Application Steps

To apply for this operations position:

• Submit your application through the Jobgether platform using the provided link.

• Tailor Your Resume: Ensure your resume clearly highlights your 6+ years of ASP.NET C# experience, specific AWS services used, and proficiency with Microsoft SQL Server. Use keywords from the job description naturally.

• Prepare Your Portfolio: Select 2-3 key projects that best demonstrate your senior-level UI/full-stack development skills, AWS experience, and SQL expertise. Be ready to articulate your role, technical challenges, and impact.

• Research the Healthcare Tech Sector: Understand the general landscape, common challenges, and the importance of data security and compliance (e.g., HIPAA) in this industry.

• Practice Interview Responses: Rehearse answers to common technical and behavioral questions, focusing on specific examples from your experience and your approach to problem-solving within the .NET/AWS/SQL ecosystem.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.