Software Engineer, Full Stack Developer, Backend Developer

Job Title: Applications Developer

Location: Herndon, VA

Security Clearance: Top Secret (TS/SCI) clearance with Polygraph required.

Salary: Up to $240,000 per year.

Core

Hours:

9:00 am – 4:00 pm.

Position Level: Level 2 – Expert.

• Develop software applications as web services written in Java, Node.js, Angular with Type Script, Spring Boot with Hibernate, and other relevant technologies.
• Build, upgrade, and maintain APIs and REST‑like interfaces to enable communication between systems.
• Integrate with relational databases such as PostgreSQL, MySQL, and cloud services like AWS.
• Utilize XML, JSON, or other customer‑defined standards for data transfer and metadata management.
• Write and optimize SQL queries for data storage and retrieval.
• Improve search functionality and website usability and accessibility using enterprise capabilities.
• Implement and maintain APIs for seamless integration between different systems.
• Optimize application performance, ensuring scalability and security.
• Troubleshoot and resolve software defects to maintain high quality and reliability.
• Follow coding, testing, and deployment best practices.
• Participate in code reviews and contribute to continuous improvement.
• Stay updated with emerging technologies and recommend enhancements.
• Work with micro‑services architectures.
• Develop front‑end components using Angular.
• Manage source code and integration with Git Hub/Git Lab, Jenkins, and similar tools.
• Operate effectively in Agile environments.

• Developmental: 0–2 years’ experience
• Full Performance: 3–5 years’ experience
• Senior: 6–10 years’ experience
• Expert: 11–15 years’ experience
• SME: 16+ years’ experience
• Design, develop, and maintain software applications using Java and Python.
• Collaborate with business analysts, UX designers, and other developers to translate requirements into technical solutions.
• Implement and maintain APIs for seamless integration between systems.
• Optimize application performance, ensuring scalability and security.
• Troubleshoot and resolve software defects.
• Work with relational databases (MySQL, PostgreSQL) for data storage and retrieval.
• Follow best practices for coding, testing, deployment, and continuous improvement.
• Stay updated with emerging technologies.

• Experience with microservices.
• Experience with front‑end development using Angular.
• Familiarity with source‑code management and integration tools (Git Hub/Git Lab, Jenkins).
• Experience in an Agile environment.

• Competitive salary up to $240,000 per year.
• Full 401(k) plan with 100% employer match up to 6% of salary.
• Phantom stock with a 2‑year vesting period.
• Medical, dental, and vision insurance plans.
• Short‑term and long‑term disability coverage.
• Life insurance ($200,000).
• Employee referral bonus up to $3,000 per year.
• Seven weeks of paid time off per year (including ten federal holidays).
• Flexible work schedule with compensatory time (customer approval required).

B4

Corp is an EEO and e‑Verify employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, or national origin.