Senior Full Stack Developer

Karsun Solutions LLC

Herndon, VA • 11m ago • On-site

Senior

On-site

130,000 - 150,000 USD/yr

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Potential salary for Senior Full Stack Developer role

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$130,000 – $150,000/year

Quick Facts

  • Role: Senior Full Stack Developer

  • Scope: Hands-on full stack technical leadership, mentoring, and engineering best practices

  • Clearance: Ability to obtain and maintain a Public Trust security clearance

  • Work schedule: Available during core business hours (9:00 AM–5:00 PM Eastern Time)

Description

The Senior Full Stack Developer provides hands-on technical leadership for the design, development, testing, deployment, maintenance, and enhancement of software applications and components. The role includes mentoring developers, conducting code reviews, and supporting architecture and modernization efforts while driving best practices across the team. You will also drive adoption of AI-assisted development tools and prompt engineering to improve productivity and delivery efficiency.

Responsibilities

  • Provide hands-on full stack development across the application lifecycle (design, development, testing, implementation, maintenance, enhancement)

  • Develop, enhance, and maintain APIs, microservices, user interfaces, and backend services

  • Promote continuous integration, automated testing, and frequent release practices for Agile delivery

  • Conduct peer code reviews and ensure adherence to Java coding standards and secure coding practices

  • Drive adoption of AI-assisted development tools, prompt templates, and engineering practices

Requirements

  • Bachelor’s degree and typically 8–10 years of related software development experience

  • Strong proficiency in Java, JEE, Spring, Spring Boot, and related enterprise technologies

  • Proven experience with RESTful APIs and microservices

  • Strong front-end proficiency with JavaScript, TypeScript, Angular, Node.js (plus related libraries/frameworks)

  • Experience with JPA, Hibernate ORM, relational database design, and SQL

  • Experience integrating USWDS-compliant components into Angular-based applications (including component libraries or Storybook)

  • Experience using AI-assisted development tools such as GitHub Copilot and GitHub Copilot Chat

  • Experience with prompt engineering, prompt templates, and effective use of AI tools in the software development lifecycle

  • Ability to evaluate and validate AI-generated code for correctness, maintainability, security, and standards alignment

  • Availability during 9:00 AM–5:00 PM Eastern Time

  • Ability to obtain and maintain a Public Trust clearance

  • U.S. work authorization

Benefits

  • Salary range: $130,000 to $150,000 USD

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