Remote Senior IT Applications Developer — AI‑Driven .NET

Jobgether; Oregon; Hybrid; USD 120,000 - 160,000; Full time

Benefits offered by this job

Fully remote US

Annual travel to TX

Medical/dental/vision

401(k) match

PTO & holidays

HSA & FSA

Life and AD&D

Disability coverage

Maternity/Parental leave

Wellbeing programs

Volunteer hours

Employee referrals

Job summary

Jobgether, listed on behalf of a partner company, seeks an IT Applications Senior Developer based in the United States. Take a leading role in designing, developing, and supporting business-critical applications that power customer orders, installations, and monitoring operations.

You will build and maintain modern .NET applications, APIs, and integrations while helping shape the technical architecture behind essential business systems.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field, or equivalent practical experience.
• At least 8 years designing and building production web/business applications, including 3+ years with C#/.NET.
• 8+ years in Agile/Scrum.
• Daily hands-on experience using AI coding agents (e.g., Claude Code, Copilot).
• Strong expertise in C#, .NET Core/ASP.NET MVC, and Entity Framework.
• Solid SQL Server experience, including query analysis on large databases.
• Experience designing/consuming REST APIs; GraphQL familiarity is a plus.
• Full-stack with Angular/React/Vue; HTML5, CSS3, JSON.
• Azure, cloud architecture, service-oriented systems, Git-based CI/CD, DevOps.

Responsibilities

• Lead the application development lifecycle: requirements, design, development, testing, code reviews, and support.
• Design, build, and maintain .NET web apps, REST APIs, and integrations.
• Develop solutions using cloud-based architectures connecting CRM, ERP, inventory, and monitoring.
• Investigate production issues using logs, telemetry, databases, and AI-assisted analysis.
• Document fixes, runbooks, performance improvements, and CI support.
• Translate Jira stories into clear acceptance criteria for behavior and edge cases.
• Direct AI coding agents to prepare plans, generate code, and open PRs for review.
• Assess AI-generated plans, code, and tests for security, quality, and regressions.
• Maintain traceability from requirements to deployment; document change approvals.
• Evaluate test results in integration/staging to decide readiness for production.
• Improve AI prompts, skills, and rules; mentor developers in AI use.

Skills

AI‑assisted engineering

Mentoring developers

Team collaboration

Problem solving

Communication

Education

Bachelor's degree or equivalent

Experience in related field

Tools

C#/.NET

ASP.NET MVC

Entity Framework

SQL Server

REST APIs

Azure

CI/CD

GitHub

Jira

Confluence

Claude Code

CircleCI

Octopus Deploy

Job description

Jobgether, listed on behalf of a partner company, seeks an IT Applications Senior Developer based in the United States. Take a leading role in designing, developing, and supporting business-critical applications that power customer orders, installations, and monitoring operations.

You will build and maintain modern .NET applications, APIs, and integrations while helping shape the technical architecture behind essential business systems.