812242 Software Engineer $190,000.00

About this role

812242 Software Engineer $190,000.00

October 13, 2026Carol K

• Level 3 - Senior
• McLean VA
• Posted 4 days ago

Labor Category: Software Engineer Position Title: AI/ML Engineers Position Level: Level 3 – Senior Salary: Up to $190,000.00 per year Core Hours: 9am to 4pm Location: McLean VA

Description:

Position Requires a Top Secret (TS/SCI) Clearance with a Polygraph.

• Develop, implement, and maintain AI/ML-enabled applications with a focus on agent-based workflows, LLM integration, RAG capabilities, and production-ready application functionality. • Design and support agent-based application architectures, including orchestration logic, tool use, memory management, context handling, and integration with external tools, data sources, and enterprise systems. • Implement and maintain RAG pipelines, including document processing, embedding generation, retrieval configuration, prompt assembly, response optimization, and retrieval-based memory patterns. • Develop and maintain REST APIs, Python-based services, backend components, user-facing features, and data workflows to support AI/ML applications, system integration, and enterprise deployment. • Process, organize, and model structured and unstructured data; refine Postgres schemas; benchmark model performance using MLflow or similar tools; and optimize applications for performance, reliability, latency, usability, maintainability, and scalability.

Details:

Labor Category: Software Engineer Position Title: AI/ML Engineers Position Level: Level 3 – Senior Salary: Up to $190,000.00 per year Core Hours: 9am to 4pm Location: McLean 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)

• Experience developing AI/ML-enabled applications with a focus on LLM integration, agent-based workflows, retrieval-augmented generation (RAG), or similar retrieval-based capabilities. • Proficiency with Python, common data/AI libraries, AI frameworks, and tool-based LLM application development, including orchestration logic, tool use, memory/context management, and integration with external systems. • Strong understanding of AI/ML foundational concepts, including transformers, algorithms, LLM behavior, data processing, and model integration patterns. • Experience designing, developing, or integrating REST APIs, particularly Python-based services, and working with PostgreSQL or other relational databases, including schema design, indexing, and query optimization. • Familiarity with production-ready application development practices, including reliability, maintainability, testing, usability, deployment, and performance optimization. • Accepting the following levels:

o Senior: Typically requires a minimum of 8 years of related experience with a Bachelor’s degree; or 7 years and a Master’s degree; or a PhD with a minimum of 6 years of related work experience.

Optional Requirements:

• Experience with MCP or similar protocols for connecting AI agents to tools, data sources, and enterprise systems. • Experience developing full-stack AI or agent-based applications, including frontend interfaces, backend services, orchestration layers, and enterprise deployment patterns. • Experience with Python REST API frameworks such as FastAPI or Flask, Docker containers, containerized development environments, and AWS or other cloud environments. • Experience implementing or optimizing LLM memory management, agent orchestration, prompt/tool workflows, latency reduction, context window management, observability, evaluation, and cost/performance tuning. • Experience with MLflow or similar tools, vector databases, embedding models, semantic search, retrieval configuration, structured/unstructured data transformation, and Postgres schema refinement.

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 -MH-HP-01.02