Senior Full Stack Python Developer On-Site

Job Type: Onsite fulltime

City: Falls Church VA

Lion Federal is a dynamic and rapidly expanding tech company dedicated to delivering cuttingedge AIpowered solutions tailored for enterpriselevel clients including the U.S. Federal government.

At Lion Federal we believe our team is the heartbeat of our success. We ve built an environment where your growth is nurtured and your voice truly matters. Here you ll enjoy all the benefits of a large company along with some rare perks that set us apart:

• Build genuine connections with team members at all levels
  

• Get quick meaningful responses from leadership who genuinely care
  

• Feel a true sense of ownership because your insights and feedback shape the future of our company
  

We are seeking a highly motivated and experienced Senior Full Stack Python Developer to join our dynamic team in Falls Church VA.

Position Summary:

We are seeking an experienced Senior Full Stack Python Developer to join our team. In this role you will work on building scalable highperformance backend systems and integrating them with frontend platforms. You will collaborate with crossfunctional teams including frontend developers AI/ML experts and DevOps to ensure the seamless of our product s architecture and functionality.

The ideal candidate will have a strong background in both backend development and frontend technologies with the ability to take ownership of projects and contribute to the entire development lifecycle.

Key Responsibilities:

• Lead the development and maintenance of backend services APIs and databases using Python and related frameworks (Django Flask FastAPI).
  

• Work on fullstack development by integrating frontend solutions with backend systems.
  

• Collaborate closely with frontend developers to ensure seamless functionality across the platform.
  

• Design implement and optimize databases (SQL/NoSQL) for scalability and performance.
  

• Participate in the design and implementation of cloudbased solutions using AWS Azure or Google Cloud.
  

• Ensure code quality security and best practices through automated testing and code reviews.
  

• Actively contribute to the full software development lifecycle from design to deployment and beyond.
  

• Troubleshoot and resolve complex technical issues across the stack.
  

• Stay current with industry trends and continuously improve development processes and efficiency.
  

Requirements

Requirements:

• 7 years of experience in fullstack development with a strong focus on Python and related backend frameworks (Django Flask etc.).
  

• Solid understanding of frontend technologies like JavaScript HTML5 CSS3 and modern frameworks (React Angular or Vue).
  

• Experience with RESTful API design and integration.
  

• Proficiency in working with both relational (SQL) and nonrelational (NoSQL) databases.
  

• Familiarity with cloud infrastructure (AWS Azure Google Cloud) and containerization (Docker Kubernetes).
  

• Strong problemsolving and debugging skills.
  

• Experience with version control tools (Git) and CI/CD pipelines.
  

• Excellent communication skills and the ability to work in a collaborative team environment.
  

NicetoHaves:

• Exposure to AI/ML technologies and integrating them into scalable solutions.
  

• Knowledge of DevOps practices and cloud automation.
  

• Experience in working in agile environments and fastpaced startups.
  

Benefits

Why Join Us

• Be a key player in building innovative AIdriven solutions for enterprise clients.
  

• Collaborate with a team of experienced developers and AI experts.
  

• Competitive salary and benefits package.
  

• Opportunity to make a significant impact and shape the future of our product.
  

Benefits:

• Comprehensive CareFirst BCBS Medical Dental and Vision insurance fully covered for you and your family
  

• Supportive team environment with outstanding leadership that values employee wellbeing
  

• Generous paid time off plus 11 paid holidays
  

• 401(k) retirement plan with employer match
  

• Performancedriven bonus program
  

• Budget allocated for professional development and growth