Backend Python Engineer - Polygraph

We are currently seeking a Backend Python Software Engineer to join a high-impact team reimagining the U.S. government’s terrorist screening process through user-centered design techniques and close collaboration with mission users. We are a fast-moving and fun team, building our system from the ground up with solid cloud-native architecture, including a powerful CI/CD pipeline for fast, repeatable development and deployments. We use modern UI design principles to create an intuitive and useable interface, allowing users to process tasking in half the time. If you thrive on high-stakes impact, elegant engineering, and are interested in making a significant impact for our national security, this mission is calling.

What you will do in this role:

• Work closely with teammates and stakeholders in a Lean Agile environment to build mission-critical production applications focused on data discovery and analysis
• Participate in code reviews, system design discussions, and continuous improvement initiatives
• Leverage modern build tools, testing frameworks, and CI/CD pipelines to ensure quality and delivery speed
• Design, implement, and test backend services and APIs using reactive programming concepts for production applications
• Integrate with cloud services and data platforms to expose high-value data through secure, performant interfaces
• Leverage DevSecOps pipelines, containers, and modern deployment tools to deliver software efficiently and reliably

• Active TS/SCI with Polygraph at time of application
• Experience developing backend services using Python and a modern web framework such a s Fast API (preferred), Flask, Django, or Chalice
• Experience with source control (e.g. Git) and CI/CD pipeline tools such as GitHub Actions (preferred), GitLab CI, AWS CodeBuild, or Jenkins.
• Experience designing and implementing scalable, maintainable, and OOP based software in a containerized cloud environment (AWS preferred) leveraging foundational services for computing, identity management, and networking.
• Experience with testing frameworks such as PyTest (preferred) or unittest
• Experience with Python project management, dependency management tools, and build tools such as poetry (preferred), make, uv, pip, or conda
• Familiarity with API standards such as REST and HTTP, message-driven architectures, persistent storage layers, and distributed systems
• Effective written and verbal communication skills necessary to perform job duties and collaborate with team members

You may excel in this role if you have the following skills:

• Contributions to open-source libraries or community projects or personal projects
• Experience with search technologies such as OpenSearch (preferred), Elasticsearch, or Solr
• Experience working with streaming or event-driven architectures such as SNS/SQS (preferred), Kafka, Kinesis, AWS Step Functions, or Event Bridge
• Knowledge of Infrastructure as Code (e.g., Terraform) and how to leverage DevSecOps pipelines to deliver code

BTI360 benefits for full-time teammates

• Fully paid healthcare premiums
• Competitive salaries and performance bonuses
• Career development and in-house training
• Tuition Reimbursement
• Up to 5 weeks PTO plus 2 weeks of federal holidays
• 401K dollar for dollar matching up to 6% annually - vested immediately on day 1
• Giving Back: Serving communities locally and across the globe
• Social Events (happy hours, golf tournament, BTI360 Family Festival and more)

Here at BTI360, we’ve built a culture that’s passionate about developing software engineers. Software doesn’t build itself. People do. In fact, teams of people do. That’s why our primary focus is on developing better craftsmen, better teammates, and better technical leaders. By putting people first, we’re not just giving our teammates more opportunities to grow, we’re also raising the bar of the software we ship. BTI360 previously has been voted 10 years in a row as a TOP Place to Work by the Washington Business Journal., At BTI360, we believe that unlocking the potential of others is not just a mission-it’s the heart of our culture. We are committed to fostering an inclusive environment where every individual can grow each day, lead with humility, and do the right thing. Our core values guide us in developing software that makes a difference, primarily serving national security customers in the Washington, DC metropolitan area.

We are an Equal Opportunity Employer. We do not discriminate against any employee or applicant based on race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other legally protected characteristics. We celebrate fairness and are dedicated to creating an environment of mutual respect and inclusion where everyone can bring their true selves to work.

Join us in a workplace where your contributions are valued, your growth is encouraged, and your potential is unlocked. Together, we develop great software fast and deliver exceptional solutions for our customers.