Python Developer

Helia Systems - Irvine, CA

Full-time - Senior

Irvine, CA

About the position

The Senior Python Engineer will play a crucial role in the development and maintenance of scalable, high-performance applications. This position requires a strong full-stack development background, with responsibilities spanning the entire application lifecycle from concept to deployment and post-launch support. The ideal candidate will work with a diverse tech stack and collaborate with cross-functional teams to implement new features while ensuring software quality and performance.

Responsibilities

• Design, develop, and maintain efficient, reusable, and reliable Python code.
• Lead the development of high-quality web applications, microservices, and APIs.
• Collaborate with cross-functional teams to define, design, and implement new features.
• Implement robust security and data protection measures.
• Optimize applications for speed, scalability, and performance.
• Mentor junior developers and foster a culture of continuous improvement and learning.
• Apply cloud-native patterns and best practices, emphasizing API-first development.
• Deliver responsive design solutions for desktop, tablet, and mobile experiences.
• Ensure software quality through test-driven development (TDD).
• Focus on building sustainable and supportable platform solutions.
• Stay current with emerging technologies and industry trends, applying them to ongoing projects.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• 7+ years of experience in full-stack development, with a strong emphasis on Python.
• Proficiency in Python web frameworks like Django or Flask.
• Solid understanding of object-oriented programming (OOP).
• Experience with databases such as PostgreSQL, CosmosDB, or MongoDB.
• Familiarity with integrating cloud-native applications and microservices with front-end frameworks (e.g., React, Angular, Vue.js).
• Experience working with cloud platforms like Azure or AWS.
• Proficient in front-end technologies like JavaScript, HTML5, and CSS3.
• Knowledge of containerization and orchestration technologies (e.g., Docker, Kubernetes).
• Strong experience with version control tools, such as Git.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills.
• Experience building Large Language Model (LLM) applications using OpenAI, LLaMA, or similar AI frameworks.
• Experience developing cloud-native APIs and microservices with C# and .NET.

Nice-to-haves

• Experience deploying Python solutions (e.g., Web Apps, APIs, SPA integrations) to Azure using Infrastructure as Code (IaC) tools such as Azure CLI, Azd, Bicep, Powershell/Bash, and Oryx.
• Familiarity with Azure Machine Learning or AI stacks like Azure ML Studio and Azure AI Studio.
• Experience in asset management or financial services industries.
• Experience building real-time, distributed systems at an enterprise scale.