Full Stack Developer — Python

Millennium is seeking a skilled Full Stack Developer to design and deliver complex applications, backend integrations, and user experiences that support Capital Development and Investor Relations workflows.

The ideal candidate is a strong Python developer with experience building scalable enterprise applications and APIs. They will bring a passion for intuitive, high-performance user experiences and the ability to integrate AI-driven capabilities into modern software solutions.

Principal Responsibilities

• Design, develop, and maintain backend services, integrations, and APIs using Python.
• Build scalable, secure, and reliable enterprise applications supporting Capital Development and Investor Relations processes.
• Partner with senior business and technology stakeholders to translate business requirements into effective technical solutions.
• Build and consume RESTful APIs, integrating internal and third-party systems, platforms, and data sources.
• Develop UI features and extensions as needed to support business workflows and enhance the user experience.
• Work with Microsoft SQL Server and PostgreSQL, including complex SQL queries, stored procedures, and data integrations.
• Execute the full software development lifecycle, from requirements gathering and design through deployment, production support, and continuous enhancement.
• Troubleshoot, debug, improve, and support existing Python-based applications and integrations.
• Ensure applications are performant, scalable, maintainable, secure, and responsive.
• Develop and maintain technical documentation, software specifications, and support materials.
• Deploy applications, assess user feedback, and drive continuous improvement.
• Ensure compliance with engineering standards, security practices, UI/UX best practices, and project plans.
• Support the integration of AI capabilities, including API-based AI services, into business applications.

Skills and Experience

• Five or more years of professional software-development experience, with strong hands-on Python expertise.
• Experience building backend services, APIs, and enterprise applications using modern Python frameworks.
• Strong experience designing, building, and supporting scalable application integrations.
• Experience with Microsoft SQL Server and PostgreSQL, including complex SQL queries and stored procedures.
• Experience with REST APIs; familiarity with SOAP services is beneficial.
• Experience with GitHub, Jenkins, Jira, and standard software-development best practices.
• Understanding of Lean/Agile and DevOps principles.
• Strong written and verbal communication skills, with the ability to work effectively with senior stakeholders and cross-functional technology teams.
• Ability to document technical requirements, solution designs, and technical specifications.
• Understanding of machine-learning model integration and consumption of API-based AI services.
• Hands-on experience using AI coding assistants.

Nice-to-Have Skills

• Experience with C# and the .NET ecosystem.
• Front-end development experience using Angular and/or React.
• Prior experience supporting Capital Development and Investor Relations functions, workflows, or technology platforms.
• Experience using or integrating with Dynamo Software and/or Salesforce.