Senior Python Lead Developer (Remote with meetings in Washington, DC)
This a Full Remote job, the offer is available from: Washington (USA)
This position is remote but there will be periodic meetings onsite in Washington, DC. Candidates must be within driving distance.
Candidates will need to get a Public Trust Clearance.
Government experience is required.
Position Summary
Booker DiMaio is seeking a Senior Python Lead Developer to support a federal application modernization initiative for a Congressional document processing environment. This role will lead the design and implementation of enterprise Python-based middleware and API services to replace legacy OpenVMS/DCL-based processing systems. The ideal candidate brings deep expertise in Python-based backend architecture, modern API development, and secure, scalable system design within Agile and DevSecOps environments.
- This position supports the modernization of mission-critical document processing workflows and the transition to a centralized Python-based middleware platform and unified client application. The work is primarily remote with periodic onsite engagement in the Washington, DC area. Candidates must be eligible for Public Trust clearance.Key Responsibilities
- Lead the architecture, design, and development of enterprise-grade Python applications supporting legacy system modernization
- Design and implement scalable middleware services and RESTful APIs using FastAPI, Django, Flask, or equivalent frameworks
- Develop and oversee Python-based backend services supporting file processing pipelines, workflow automation, and system integration
- Lead modernization efforts replacing legacy OpenVMS/DCL-based processing with Python-based services and microservices architecture
- Establish engineering standards, conduct code reviews, and mentor development team members
- Collaborate with government stakeholders, technical leads, and product owners to define technical direction and delivery priorities
- Participate in Agile Scrum ceremonies including sprint planning, standups, reviews, and retrospectives
- Support CI/CD pipeline implementation, automated testing strategies, and DevSecOps integration practices
- Ensure solutions comply with federal security, auditability, and accessibility requirements (including Section 508 where applicable)
- Support integration with legacy systems and external interfaces including file-based and API-driven workflows
- Troubleshoot complex production issues and drive performance tuning and system optimization
- Produce technical documentation including architecture diagrams, design specifications, and implementation guides Minimum Qualifications
- Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience)
- Prior government experience
- 7+ years of professional software development experience in enterprise environments
- Strong hands-on experience with Python 3.x
- Proven experience with FastAPI, Django, Flask, or similar Python frameworks
- Demonstrated experience designing and building RESTful APIs and backend middleware services
- Experience working in Agile/Scrum delivery environments
- Experience with CI/CD pipelines and DevSecOps practices
- Experience serving in a senior technical lead or team lead capacity
- Strong analytical, problem-solving, and communication skills
- Ability to obtain and maintain a U.S. Public Trust clearance Preferred Qualifications
- Experience modernizing legacy systems, particularly file-based or batch processing environments
- Experience with OpenAPI/Swagger documentation standards
- Cloud experience (AWS, Azure, or Google Cloud Platform)
- Containerization experience (Docker, Kubernetes)
- Python Institute certifications (PCEP, PCAP, or PCPP) strongly preferred Work Environment
- Primarily remote with occasional onsite meetings in the Washington, DC area
- Support Agile delivery cycles and government-led technical direction
- Standard business hours with flexibility based on program needs
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