Senior Software Developer (Full Stack Developer)

Posted 6 Days Ago
Chantilly, VA
In-Office
5-5 Annually
Senior level
Information Technology
The Role
The Senior Software Developer will design, develop, and maintain full stack applications, engaging in collaboration, code reviews, and architecture decisions, while ensuring code quality and documentation.
Summary Generated by Built In

Overview

Credence has immediate needs for multiple Senior Software Developers with full stack development expertise. The ideal candidates will have a strong background in both front-end and back-end technologies, with the ability to design, develop, and maintain complex applications. This role requires hands-on coding, problem-solving, and a deep understanding of modern development practices, including modernization of legacy systems and secure coding.

Key Responsibilities:

Full Stack Development:
Design, develop, and maintain both front-end and back-end components of web applications, ensuring they are scalable, performant, and secure. Responsibilities include working with modern frameworks as well as upgrading and reverse-engineering legacy applications.

Collaboration:
Work closely with cross-functional teams including UX/UI designers, product managers, and other developers to deliver high-quality software solutions. Engage with stakeholders to gather requirements and incorporate feedback into iterative improvements.

Code Reviews:
Participate in and contribute to code reviews, providing constructive feedback and ensuring adherence to coding standards and best practices.

Architecture & Design:
Contribute to architectural decisions, design patterns, system modernization strategies, and technology stack recommendations to meet business requirements.

Testing & Debugging:
Implement and utilize automated testing tools (including API testing frameworks) and debug complex issues across application layers to ensure high-quality, stable code.

Continuous Improvement:
Stay updated with emerging technologies and development trends, continuously improving development processes and suggesting enhancements to ensure efficient delivery.

Documentation:
Create and maintain technical documentation for architecture, design, workflows, and code to support ongoing development and maintenance.


RequirementsTechnical Stacks:

Front-end & Back-end Development:
Proficiency in front-end technologies (HTML/CSS/JavaScript, Blazor, React.js or Angular) and back-end development using C#, .NET Core/8, Java, Python, or Node.js. Experience modernizing legacy systems is a plus.

Infrastructure & Tools:
Experience with SQL-based and NoSQL databases, cloud platforms (AWS or equivalent), DevOps practices (CI/CD pipelines such as Jenkins), containerization, automated testing, version control (Git), and virtualization tools.

Qualifications:

Education:
Bachelor’s degree in Computer Science or a related field.

Experience:
5+ years of experience in full stack development, with a strong portfolio of completed projects across modern and legacy environments.

Technical Skills:
  • Proficient in front-end technologies such as HTML5, CSS3, JavaScript, and frameworks including Blazor, React.js, or Angular.
  • Strong back-end development skills in C#, .NET Core/8, Java, Python, or Node.js.
  • Experience designing, developing, and maintaining RESTful APIs and microservices.
  • Experience with database design and management using SQL Server, MySQL, Oracle, or NoSQL systems.
  • Familiarity with cloud services (AWS) and deploying applications in cloud or hybrid environments.
  • Knowledge of DevOps practices including CI/CD pipelines (such as Jenkins), containerization, and Git-based workflows.
  • Experience with automated testing tools for both UI and API layers.
  • Experience troubleshooting and modernizing legacy codebases.
Preferred Qualifications:
  • Experience with Agile development methodologies.
  • AWS Certified Solutions Architect or comparable cloud knowledge.
  • Experience with microservices architecture, secure coding practices, and system modernization.
  • Experience mentoring junior developers and participating in collaborative team environments.

Top Skills

.Net Core
Angular
AWS
Blazor
C#
CSS
Git
HTML
Java
JavaScript
Jenkins
Node.js
NoSQL
Python
React
SQL
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The Company
HQ: McLean, Virginia
1,499 Employees

What We Do

Credence provides innovative technology, health, international development, engineering, and management solutions to support mission-critical programs for Federal government customers. We are one of the nation’s largest privately held government contractors.

Our ability to perform exceptionally to implement new solutions, efficiencies, and savings across 220 U.S. Government programs is due to our obsession with exceeding customer expectations and our emphasis on employee wellbeing—best exemplified by our corporate philosophy: “One Measure of Success. Yours.”


WHY WORK WITH CREDENCE? We are consistently rated as a Top Workplace and are proud to be one of the fastest growing privately held firms in the U.S. over the last decade.

Credence treats each customer, teaming partner, and employee as a trusted partner whom we serve. We ensure successful outcomes by focusing on the measure of success that we consider to be most important—Yours.

WHY WORK FOR CREDENCE? We are a diverse, enthusiastic team of professionals who are dedicated to providing exceptional service to our customers. Our culture is focused on employee empowerment, recognition, and reward, and each person is encouraged to take initiative and strive to reach their greatest potential.

HOW CREDENCE GIVES BACK: We believe in giving back to the communities in which we live and work through corporate charitable events, support for employee volunteering, and a 100% corporate match for employee charitable giving.

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