Software Engineer Level 4

Base-2 Solutions is seeking a Software Engineer Level 4 (onsite) to build and enhance complex backend, data engineering, and API systems for mission-focused environments.

Responsibilities

• Develop, maintain, and improve complex software systems spanning processing-intensive analytics, novel algorithm work, extremely large data set manipulation, real-time systems, and business management information systems, aligned to documented requirements.
• Contribute to software component design, including hardware/software trade-offs, software reuse, and evaluating COTS/GOTS versus new development.
• Perform requirements analysis and synthesis from the system level down to individual software components.
• Design, implement, and integrate software applications, or complete software engineering tasks in support of production environments.
• Apply software engineering and design methodologies appropriate for development, integration, and deployment.
• Deliver software engineering capabilities through industry standards and repeatable processes.
• Mitigate risks and control costs and schedule variance for large-scale integrated software projects.
• Review and test software components to confirm adherence to design requirements and document test results.

Requirements

• Active TS/SCI with CI Polygraph
• 5+ years of experience
• Demonstrated backend development experience
• Demonstrated data engineering and API development experience
• Experience building scalable systems using Python and FastAPI
• Experience designing and managing PostgreSQL databases using efficient SQL and indexing strategies
• Proficiency in Python
• Proficiency in FastAPI
• Proficiency in PostgreSQL
• Proficiency in Elasticsearch
• Experience building high-performance API connections between high-speed, high-volume, mission-critical, data-sensitive systems

Technologies

• Python
• FastAPI
• PostgreSQL
• Elasticsearch

Preferred Qualifications

• Experience supporting processing-intensive analytics environments
• Experience working with extremely large data sets
• Experience supporting real-time systems
• Experience contributing to software design decisions involving software reuse, COTS/GOTS, and system-to-component requirements analysis

Education and Experience Equivalency

• High School Diploma/GED with 13 years of experience
• Associates Degree with 11 years of experience
• Bachelors' Degree with 9 years of experience
• Masters' Degree with 7 years of experience
• PhD with 5 years of experience

Compensation and Benefits

• Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity)
• Employee referral bonuses up to $10,000 per hired referral
• Additional bonus opportunities for exceptional performance and contributions to business development and company growth (role-dependent)
• 100% company-paid medical premiums for employees and eligible dependents
• Medical plan options with CareFirst, Kaiser, and UnitedHealthcare, including PPO, POS, HMO, and HSA-compatible plans
• 100% company-paid dental premiums for employees and eligible dependents
• 100% company-paid vision premiums for employees and eligible dependents
• 100% company-paid premiums for short-term disability
• 100% company-paid premiums for long-term disability
• 100% company-paid premiums for accidental death & dismemberment (AD&D)
• 100% company-paid life insurance up to $200,000
• 401(k) with immediate vesting: 4% company match plus a 4% non-elective company contribution (8% total)
• 401(k) pre-tax and Roth options
• Up to 20 days of flexible paid time off (PTO)
• 11 paid floating holidays
• Flexible work schedules, including flex time and compressed work periods (contract and project-dependent)