Senior Backend Developer

Quick Facts

• Role: Senior Backend Developer

• Focus: Backend services, REST APIs, data validation, databases, and containerized deployments

Description

Design, develop, and maintain backend functionality for mission-driven applications. You will build REST APIs with robust request validation, error handling, and authentication/authorization, working with data systems including PostgreSQL and OpenSearch. You’ll also troubleshoot production issues and collaborate with customers and stakeholders to clarify requirements and estimate implementation effort.

Responsibilities

• Design, develop, and maintain backend functionality using Python, Docker, Kubernetes, OpenSearch, and PostgreSQL

• Develop and maintain backend services and REST APIs (validation, error handling, authentication and authorization)

• Use Pydantic for data validation and SQLAlchemy for database access/ORM

• Design and maintain PostgreSQL schemas, queries, indexes, and database migrations with performance and data integrity in mind

• Build and maintain Docker images; deploy, configure, and troubleshoot applications in OpenShift

• Investigate and resolve production issues across UI, backend services, database, and deployment

• Work with customers, product owners, and stakeholders to clarify requirements, dependencies, and estimate effort

• Participate in technical design and code reviews; write automated tests; maintain technical documentation

• Mentor developers and collaborate with operations and security teams for reliable delivery

Requirements

• TS/SCI Clearance with Active CI Polygraph

• 9+ years in software or systems engineering (Bachelor’s/Master’s substitutions allowed)

• Strong backend services and REST API development experience

• Proficient Python backend development

• Proficient PostgreSQL: relational modeling, SQL, migrations, indexing, query optimization

• Knowledge of OpenSearch data structures, indexing, and querying

• Hands-on Docker: Dockerfiles, image build, container troubleshooting

• Strong communication skills

Benefits

• Summary pay range: $144,200 - $176,900