Labor Category: Software Engineer
Position Title: Software Engineer
Position Level: Level 1 – Subject Matter Expert
Salary: Up to $260,000.00 per year
Core Hours: 9am to 4pm
Location: Chantilly VA
Description:
Position Requires a Top Secret (TS/SCI) Clearance with a Polygraph.
Candidate must have hands-on experience with chatbots integration into search services. • Participate in all Lean Agile scrums, sprints and grooming sessions.
• Consult and coordinate appropriately for problem resolution, task scheduling, new resource requirements, and task clarification.
• Work in partnership with an integrated team of staff and contractors.
• Understand the cloud environments, such as AWS or Azure.
• Coordinate and collaborate with security, operations, engineering, testing and other teams to provide system information and technical support.
• Design, develop and modify software systems.
• Document and track vendor software roadmaps for software and patch version updates.
• Unit test their software and perform code.
• Design and implement scalable search and retrieval systems leveraging Elasticsearch.
• Develop and integrate LLM-powered capabilities, including Retrieval-Augmented Generation (RAG) pipelines
Details:
Labor Category: Software Engineer
Position Title: Software Engineer
Position Level: Level 1 – Subject Matter Expert
Salary: Up to $260,000.00 per year
Core Hours: 9am to 4pm
Location: Chantilly VA
Mandatory Requirements:
• 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)
• Demonstrated experience working in Lean Agile Development environment.
• Demonstrated experience building or integrating LLM-based solutions, including RAG, semantic search, or AI-assisted retrieval systems.
• Demonstrated experience developing detailed design and associated deliverables.
• Demonstrated experience translating customer and system requirements into design.
• Demonstrated experience designing system interfaces.
• Demonstrated experience developing Single Page Applications using React (modern hooks-based architecture), HTML5, and CSS3.
• Demonstrated hands-on experience developing RESTful APIs using Node.js and Express (or comparable modern backend frameworks).Demonstrated hands-on experience with and troubleshooting of Internet and Web related protocols and technologies such as Tomcat, Nodejs, Web Services, or SSL.
• Demonstrated experience with testing platforms such as Jest or Karma.
• Demonstrated hands-on experience working with DevOps tools such as Git, Jenkins, or Nexus
• Demonstrated hands-on experience with Elasticsearch (index design, querying, relevance tuning, and scaling).
• Demonstrated experience designing or implementing data pipelines to support search and/or RAG workflows (e.g., ingestion, chunking, embeddings, vector search).
Optional Requirements:
• Demonstrated recent experience with the Sponsor’s Lean Agile methodology
• Experience evaluating, selecting, and integrating LLMs (e.g., OpenAI, open-source models) into enterprise applications.
• Experience with vector databases, hybrid search (keyword + semantic), and relevance optimization.
• Ability to lead or mentor teams in adopting search + AI/LLM best practices (strong preference for candidates who can elevate team capability, not just contribute individually).
B4CORP Company Information
B4Corp is a small defense contracting company that focuses on providing an optimum environment for mission-focused, highly skilled consultants to support the United States of America’s intelligence community and other defense organizations. B4Corp provides a low overhead, highly efficient, high salary environment that allows employees to excel at meeting the client’s needs. B4Corp is looking for information technology professionals that have a high sense of personal responsibility, self-motivation, and mission drive.
B4Corp’s dedication and care for its employees is reflected in our outstanding compensation and benefits package. B4Corp’s benefits reflect the company’s policy of putting the employees first. B4Corp’s maximum flexibility comp / makeup time policy, along with the company’s cafeteria-style benefit plan that allows employees to maximize their Benefit Dollars, reflects B4Corp’s commitment to its employees.
Compensation:
- Outstanding Salaries
Retirement:
- Full Vanguard 401k Plan – Featuring a full scope of investment options
– 100% employer matched contribution up to 6% of employee’s salary
– Ability to max out 401k savings $57k ($63.5k if over 50) - Employees receive B4Corp phantom stock each year (2-year vesting period)
Insurance:
- Medical – United Health Care (UHC) (multiple plan options)
- Dental – United Concordia (UC) Flex Plan
- Vision – Vision Service Plan Insurance Co (VSP) Signature Plans
- Mutual of Omaha short-term disability (60% of salary up to $2,000.00/week)
- Mutual of Omaha long-term disability (60% of salary up to $10,000.00/month)
- Mutual of Omaha life insurance ($200,000.00)
Employee Referral Bonus:
- Refer a friend or a coworker and receive $3,000 per year for every year the person works for B4CORP
Paid Time Off (PTO):
- Seven weeks of leave per year (including ten federal holidays)
- Flexible work schedule with comp time (with customer approval)
Internal Tracking -GV-2026-04844-1524-07-3044
If you would like to complete a detailed B4Corp Employment Application, please do so using this form (You only need to fill out this application once for B4Corp or if you have updates to the information.):
https://b4corp.com/b4corp-employment-application/.
This form will help us find you the best position quicker.
B4Corp 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. Please take the time to review and complete these three voluntary identification forms if you choose to do so and email them to hr@b4corp.com.
To apply for this job please visit b4corp.com.