Senior Full Stack Developer (.NET Core / Angular)

Papigen; Washington (District of Columbia); On-site; USD 140,000 - 170,000; Full time

Job summary

Papigen in Washington, DC, seeks a Senior Full Stack Developer with 8 years of experience to design, build and support enterprise web applications. You will craft Angular dashboards, .NET Core APIs, and backend services for the Data Platform, Analytics, and Dashboard ecosystem.

You will work across frontend and backend, ensure security and performance, contribute to CI/CD pipelines, and collaborate with QA, DevOps, and business stakeholders to deliver reliable releases.

Qualifications

• 8 years of IT experience with strong full-stack development
• Experience with .NET Core / ASP.NET Core
• Angular development for interactive web applications
• REST API development and backend services
• Frontend and backend integration
• Application security and performance optimization
• Unit and integration testing, debugging, and defect resolution
• Experience with Git and Azure DevOps

Responsibilities

• Develop and maintain interactive web applications and dashboards using Angular.
• Build and maintain .NET Core Web APIs, backend services, and integration components.
• Develop reusable, secure, scalable, and high-performance application components.
• Integrate applications with data platforms, reporting solutions, APIs, and enterprise systems.
• Implement responsive, accessible, and user-friendly dashboard features.
• Perform unit testing, integration testing, code reviews, and defect resolution.
• Collaborate with QA teams on functional testing, UAT, performance testing, and release validation.
• Support CI/CD pipelines, deployments, environment configurations, and release management.
• Troubleshoot API failures, application defects, integration issues, and production incidents.
• Conduct root-cause analysis and implement corrective actions.
• Maintain technical documentation, API specifications, release notes, and operational runbooks.
• Coordinate with onsite teams, architects, DevOps engineers, and business stakeholders.

Skills

Full-stack development

REST API development

Angular

Unit testing

Performance optimization

Security

Tools

Git

Azure DevOps

CI/CD

Job description

Role Overview

We are looking for an experienced Senior Full Stack Developer with 8 years of experience in developing, enhancing, testing, and supporting enterprise web applications. The candidate will build interactive Angular dashboards, .NET Core APIs, backend services, and integrations for the Data Platform, Reporting, Analytics, and Dashboard ecosystem.

Key Responsibilities

• Develop and maintain interactive web applications and dashboards using Angular.
• Build and maintain .NET Core Web APIs, backend services, and integration components.
• Develop reusable, secure, scalable, and high-performance application components.
• Integrate applications with data platforms, reporting solutions, APIs, and enterprise systems.
• Implement responsive, accessible, and user-friendly dashboard features.
• Perform unit testing, integration testing, code reviews, and defect resolution.
• Collaborate with QA teams on functional testing, UAT, performance testing, and release validation.
• Support CI/CD pipelines, deployments, environment configurations, and release management.
• Troubleshoot API failures, application defects, integration issues, and production incidents.
• Conduct root-cause analysis and implement corrective actions.
• Maintain technical documentation, API specifications, release notes, and operational runbooks.
• Coordinate with onsite teams, architects, DevOps engineers, and business stakeholders.

Mandatory Skills & Experience

• 8 years of overall IT experience, with strong full-stack development expertise.
• .NET Core / ASP.NET Core application development.
• Angular development for interactive web applications.
• REST API development, integration, and backend services.
• Frontend and backend integration.
• Application security, performance optimization, and reusable coding practices.
• Unit testing, integration testing, debugging, and defect resolution.
• Git/source control and familiarity with Azure DevOps and CI/CD.
• Production support, deployment, and release management.

Preferred Skills

• Angular dashboard development and interactive analytics applications.
• Azure-hosted application development and integration.
• Experience integrating applications with Power BI or other reporting platforms.
• SQL and database integration.
• API documentation using Swagger/OpenAPI.
• Automated testing frameworks and performance testing.
• Experience working in Agile/Scrum teams.