Senior Software Engineer (Full-Stack)

Bixal is a consulting company headquartered in Fairfax, VA, working alongside governments and organizations to help them deliver better services and experiences. The Senior Full‑Stack Engineer supports mission-critical digital products, responsible for building and evolving secure, scalable, cloud-native features across the React and Python application stack.

Responsibilities:

• Design, build, and maintain full‑stack application features using React on the front end and Python on the back end within a cloud‑native architecture
• Develop and integrate APIs and backend services that support secure, reliable, and scalable appointment‑scheduling workflows
• Collaborate closely with product managers, UX designers, and researchers to translate user needs and requirements into well‑designed technical solutions
• Contribute to architectural decisions and ensure implementations align with long‑term platform scalability, security, and maintainability goals
• Implement and maintain automated testing, code quality checks, and CI/CD workflows in partnership with DevSecOps engineers
• Support application performance, monitoring, and troubleshooting, including participation in Tier 2 and Tier 3 on‑call support as needed
• Apply secure coding practices and ensure compliance with federal requirements such as accessibility (Section 508), security, and privacy standards
• Participate actively in agile ceremonies, including sprint planning, backlog refinement, reviews, and retrospectives
• Mentor and support mid‑level engineers through code reviews, pairing, and technical guidance
• Other relevant duties as qualified and trained to assume

Requirements:

• Bachelor's degree in computer science, Engineering, and at least 8 years of professional experience delivering full‑stack web applications in production environments, or equivalent practical experience (12 years without degree)
• Demonstrated experience building modern front‑end applications with React and supporting them with Python‑based backend services
• Strong experience designing and consuming APIs, working with relational and/or NoSQL databases, and integrating cloud services
• Proven ability to work effectively in cross‑functional, agile teams delivering iterative software releases
• Experience applying secure development practices and working within regulated or government environments
• Ability to obtain a Public Trust clearance