Principal Python Developer

We are seeking an experienced Python Developer to design, build, and continuously enhance complex enterprise-grade applications, data-intensive services, and automation platforms. This is a hands-on engineering role focused on delivering robust, secure, and high-performance Python systems that operate reliably within distributed and mission-critical production environments. The ideal candidate will bring deep Python expertise combined with strong fundamentals in software architecture, data engineering, and operational support, and will partner closely with product, data, and infrastructure teams to translate ambiguous business problems into well-engineered technical solutions. You will be expected to think beyond surface-level fixes, identify root causes of complex issues, and proactively raise the engineering bar across the team., MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA. In this role, you will contribute directly to innovative projects …

• 1 month ago +

• Bachelor’s degree in computer science, Engineering, or related technical discipline.
• Five or more years of applied Python development experience in enterprise-grade environments.
• Strong experience building and maintaining large-scale production applications with significant uptime and reliability requirements.
• Hands-on experience with relational database systems such as Oracle, MS SQL Server, PostgreSQL, or Sybase, including query tuning and schema design.
• Strong understanding of the full software development lifecycle (SDLC), including requirements, design, build, test, release, and ongoing support.
• Proven hands-on experience across system design, application development, automated testing, and operational support.
• Strong working knowledge of data structures, algorithms, and computational efficiency, with the ability to make sound design trade-offs.
• Demonstrated experience debugging and maintaining complex, enterprise-level applications in production.
• Solid understanding of Agile methodologies, CI/CD practices, application resiliency patterns, and secure coding standards.
• Ability to manage multiple concurrent projects in dynamic, fast-changing environments while keeping stakeholders well informed.
• Strong written and verbal communication skills, with experience collaborating with both technical and business teams., * Strong shell scripting skills in UNIX/Linux environments and comfort working with command-line tooling.
• Solid grounding in mathematical and statistical concepts and the ability to translate them into code.
• Hands-on experience with the Python data and ML ecosystem, including NumPy, Pandas, SciPy, Scikit-Learn, TensorFlow, and PyTorch.
• Working exposure to AWS cloud services and cloud-native storage technologies such as S3, RDS, DynamoDB, and Glue.

Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States. This is a fantastic opportunity to join an established and well-respected organization offering tremendous career growth potential., Vantor

• Reston, VA
• $137,000-200,200 per year Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for …