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Principal Backend Engineer

2 months ago


Arlington, Virginia, United States Two Six Technologies Full time

At Two Six Technologies, we are dedicated to creating, deploying, and implementing cutting-edge solutions that address some of the most intricate challenges faced globally today. Through exceptional teamwork and steadfast trust, we strive to expand the limits of what is achievable, empowering our workforce and assisting our clients in fostering a safer global environment.

We are seeking to enhance our team with a Lead Software Engineer who will contribute to the development of a next-generation global-scale networking situational awareness and command and control platform. In this capacity, you will collaborate with our back-end development team to refactor existing server code currently in production and to design and create new code modules and microservices. The ideal candidate will possess a proven ability to explore new technologies, document and present designs to colleagues, swiftly prototype solutions, and ultimately deliver reliable and testable commercial-grade code. This role emphasizes back-end development using Python 3 (experience with Go is also advantageous) alongside SQL and NoSQL databases, various communication technologies (such as message queues and event streams like Kafka), and different API architectures including REST and gRPC.

Key Responsibilities:

  • Designing and maintaining new back-end code modules and microservices to deliver diverse functionalities (e.g., authentication, data transformation, and querying) for software platforms.
  • Creating and managing API handlers utilizing various technologies (gRPC, REST, etc.).
  • Developing and sustaining integrations with a range of SQL and NoSQL databases (such as Elastic, Redis, etc.).
  • Collaborating with the team to devise dynamically scalable and parallelizable solutions.
  • Continuously refactoring existing back-end code to enhance scalability and usability.
  • Documenting processes and maintaining comprehensive documentation.
  • Proactively prototyping new solutions in response to evolving problem sets.
  • Engaging in discussions and collaboration on potential solutions with team members.

Minimum Qualifications:

  • Bachelor's degree in Computer Science, Engineering, or a related discipline.
  • A minimum of 5 years of experience in Python 3 development.
  • A minimum of 5 years of experience in engineering systems with SQL and NoSQL databases.
  • Experience in API development.
  • Experience in leading or mentoring junior engineers.
  • Willingness and eligibility to obtain and maintain Top Secret Clearance or higher.

Desired Qualifications:

  • Active TS/SCI security clearance.
  • Familiarity with Python packages such as FastAPI, requests, asyncio, flask, Tornado, or similar.
  • Experience with Golang.
  • Knowledge of Elasticsearch.
  • Experience in React or Vue 3.
  • Experience with gRPC development.
  • Expertise in architecting for deployment in cloud environments like AWS or MS Azure, as well as bare metal.
  • Experience in automated test development and frameworks.
  • Familiarity with Docker and/or Kubernetes.
  • Experience using Jira in a development workflow.
  • Experience working in an Agile environment.
  • Experience in hybrid work settings.
  • Experience in fast-paced, deadline-driven environments.

Citizenship and Clearance:

  • Eligibility and willingness to obtain and maintain a government security clearance up to TS/SCI.

Two Six Technologies is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices based on race, color, religion, national origin, sex, sexual orientation, gender identity or expression, age, marital status, disability, genetic information, and protected veteran status or any other characteristic protected by applicable federal, state, or local law.