Senior Backend Engineer — Data Systems & FastAPI APIs

Base-2 Solutions, LLC; Maryland; On-site; USD 120,000 - 160,000; Full time

Job summary

Base-2 Solutions, LLC is seeking a Software Engineer Level 5 to develop, maintain, and enhance complex software systems supporting mission-focused environments. The role centers on backend development, data engineering, and API development using Python, FastAPI, and PostgreSQL.

Responsibilities include designing scalable systems, building high-performance API connections for data-sensitive environments, and collaborating across teams to ensure robust software components and efficient delivery

Qualifications

• Active TS/SCI with CI Polygraph.
• Backend development experience.
• Data engineering and API development experience.
• 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.

Responsibilities

• Develop, maintain, and enhance complex and diverse software systems, including processing-intensive analytics and real-time systems.
• Provide input to software component design, including hardware/software trade-offs and system-level requirements.
• Design, implement, and integrate software applications or perform software engineering tasks.
• Use software engineering and design methodologies appropriate to the environment.
• Ensure efficient delivery of software engineering capabilities using industry standards and repeatable processes.
• Mitigate risks, control costs and schedule variance, and manage large-scale, integrated projects.
• Review and test software components for adherence to design requirements and document results.

Skills

Backend development

Data engineering

API development

Python

FastAPI

Education

Bachelor's Degree

Associates Degree

Master's Degree

PhD

Tools

PostgreSQL

Elasticsearch

Job description

Base-2 Solutions, LLC is seeking a Software Engineer Level 5 to develop, maintain, and enhance complex software systems supporting mission-focused environments. The role centers on backend development, data engineering, and API development using Python, FastAPI, and PostgreSQL.

Responsibilities include designing scalable systems, building high-performance API connections for data-sensitive environments, and collaborating across teams to ensure robust software components and efficient delivery