Software Engineer Level 5

Base-2 Solutions; Elkridge (MD); On-site; USD 120,000 - 180,000; Full time

Job summary

Base-2 Solutions is seeking a Software Engineer Level 5 focused on backend development, data engineering, and API work. The role emphasizes scalable systems using Python and FastAPI, PostgreSQL database design, and high-speed integrations in mission-critical environments.

The candidate should have deep Python and FastAPI experience, PostgreSQL expertise, and a track record building high-performance API connections to support complex analytics and real-time processing.

Qualifications

• Backend development experience in mission-focused environments.
• Data engineering and API development experience.
• Proficiency with Python, FastAPI, PostgreSQL, and Elasticsearch.
• Experience building scalable, high-performance API connections.

Responsibilities

• Develop, maintain, and enhance complex software systems including analytics and real-time components.
• Provide input on software design including trade-offs and reuse of components.
• Design, implement, and integrate software applications and related tasks.
• Use appropriate software engineering methodologies in development and production environments.
• Ensure efficient delivery of software capabilities using standard processes.
• Mitigate risks and manage large-scale software projects.
• Review and test components for adherence to design requirements.

Skills

Backend development

Data engineering

API development

Python

FastAPI

PostgreSQL

Elasticsearch

High-performance APIs

Education

High School Diploma/ GED

Associates Degree

Bachelor's Degree

Masters Degree

PhD

Job description

Position Summary

Base-2 Solutions is seeking a Software Engineer Level 5 to develop, maintain, and enhance complex and diverse software systems supporting mission-focused environments. This role is centered on backend development, data engineering, and API development, with emphasis on building scalable systems using Python and FastAPI, designing and managing PostgreSQL databases, and supporting high-performance integrations across high-speed, high-volume, mission-critical, data-sensitive systems.

Essential Duties and Responsibilities

• Develop, maintain, and enhance complex and diverse software systems, including processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems, based upon documented requirements.
• Provide specific input to software component design, including hardware/software trade-offs, software reuse, use of COTS/GOTS in place of new development, and requirements analysis and synthesis from the system level to individual software components.
• Design, implement, and integrate software applications or perform software engineering tasks.
• Utilize software engineering and design methodologies appropriate to the development, integration, and production environment.
• Ensure efficient delivery of software engineering capabilities using industry standards and repeatable processes.
• Mitigate risks, control costs and schedule variance, and effectively manage large-scale, integrated software projects.
• Review and test software components for adherence to design requirements and document test results.

Required Qualifications

• Active TS/SCI with CI Polygraph.
• Demonstrated experience as a backend developer.
• Demonstrated experience in data engineering and API development.
• Experience building scalable systems with Python and FastAPI.
• Experience designing and managing PostgreSQL databases with 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.

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.

Required Education and Experience Equivalency

• High School Diploma/ GED with 18 years of experience.
• Associates Degree with 16 years of experience.
• Bachelors' Degree with 14 years of experience.
• Masters' Degree with 12 years of experience.
• PhD with 10 years of experience.

RequiredCertifications

• None specified.

Required Security Clearance

• Active TS/SCI with CI Polygraph.

Equal Employment Opportunity

Base-2 Solutions is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, age, sexual orientation, gender identity, genetic information, protected veteran status, or any other characteristic protected by law, and will not be discriminated against on the basis of disability. Learn more: base-2solutions.com/eeo