Senior Python Developer

Arch Key Solutions Senior Python Developer Description SR. PYTHON DEVELOPER

This position is based out of our S t Louis, MO office

Arch Key is one of the nations largest privately held specialty trade installation and integrated facility service companies. We are a leader in designing, building and maintaining electrical, technologies and specialty systems. Were the POWER behind making the improbable possible.

Were electrifying the nation, energizing the future and bringing communities to life like never before. What we do today shapes the vision of tomorrow. Our work impacts lives long after the building is done. This means we are committed to building in ways that are not just technologically advanced, but sustainable, scalable and equitable by all. Were not just energizing infrastructure, were energizing careers, communities, and the future.

Made up of the brightest minds in the industry, our team is our greatest asset bringing knowledge, skills, and experience to every project. This is more than a call to join us, its an invitation to be part of a visionary journey, to grow with us as we scale.

The Senior Python Developer is responsible for designing, developing, and maintaining complex, scalable Python applications and systems. This role provides technical leadership, mentors development team members, and drives architectural decisions that support business operations and innovation. The Senior Python Developer ensures all solutions align with company policies, procedures, objectives, and regulations

• Designs, develops and maintains Python applications
• Is a Full
  -Life Cycle Python Developer
• Is able to provide Technical and Design Leadership

• Designs, develops, and maintains scalable Python applications, APIs, and microservices using best practices and modern design patterns.
• Establishes and maintains enterprise-level Python development standards and enforces coding conventions.
• Provides architectural leadership, guiding system design and technology selection.
• Translates Business Requirements Documentation (BRD) into technical specifications and solution designs.
• Provides accurate level-of-effort estimates and contribute to project planning and roadmap discussions.
• Drives successful project delivery on time and within budget while maintaining high-quality standards.
• Writes clean, efficient, well-documented, and maintainable code.
• Conducts thorough code reviews to ensure quality, performance, security, and adherence to standards.
• Designs and implements RESTful APIs with appropriate authentication, versioning, validation, and error handling.
• Implements automated testing strategies, including unit, integration, and end-to-end tests.
• Builds and maintains CI/CD pipelines to support reliable and efficient deployments.
• Optimizes application performance and troubleshoots complex production issues.
• Ensures adherence to security best practices, data protection regulations, and secures coding standards.
• Collaborates with cross-functional teams to deliver effective technical solutions.
• Mentors and supports developers to strengthen team capabilities and technical excellence.
• Promotes continuous improvement in development processes, tools, and team practices.
• Contributes to documentation, knowledge sharing, and technical best practices across the organization.
• Consistently makes decisions in an attentive and safe manner to ensure the safety and health of self and others.
• Utilizes LEAN concepts or other continuous improvement methodologies to ensure the most efficient operations, processes, and activities.
• Promotes and models the Company mission, vision and values through exercising sound and ethical business practices, championing all elements of diversity, equity, and inclusion (DEI) and providing high quality services and programs as they relate to clients, subcontractors, co-workers, suppliers, and the public.

• Required Education, Experience and Skills
• Bachelors degree in Computer Science , Software Engineering, Information Systems, or a related field; or equivalent professional experience.
• 5-7 years of professional software development…