Staff Software Python Developer / 100% Remote / USD payment / English speaking client

**About the Role:** ------------------- As a **Staff Level One Backend Developer**, you will be a technical leader responsible for **designing, architecting, and implementing** the core server\-side components and infrastructure that power our cutting\-edge applications. You will operate at a strategic level, collaborating with cross\-functional teams, including front\-end, database, and AI engineers, and product teams, to ensure all backend systems are highly **scalable, reliable, secure, and performant**. You will drive significant technical initiatives, solve the most complex technical challenges, and set the standard for technical excellence within the team. This senior role requires a focus on **system designing** to ensure the long\-term health and coherence of the platform, as well as a strong emphasis on comprehensive **project documentation (documentación de proyectos)** to facilitate knowledge sharing and maintainability. **Key Responsibilities:** ------------------------- ### **System Architecture and Design** * **Lead the design and architecture** of major server\-side components, APIs, and microservices, ensuring they are robust, efficient, and meet evolving application requirements. * Drive **system designing** efforts, including the creation of technical specifications, architectural blueprints, and capacity planning for new features and platform enhancements. * Champion engineering best practices, design patterns, and standards across the backend team. ### **Development and Implementation** * Develop, implement, and maintain high\-volume, low\-latency backend services using **Python** and frameworks like **Django** and **FastAPI**. * Oversee **Database Management**, working with relational and non\-relational databases (e.g., MySQL, PostgreSQL, MongoDB) to define complex schemas, lead query optimization efforts, and ensure data integrity at scale. * **Collaborate with Front\-End Developers** to define clear API contracts and integration strategies, ensuring seamless, performant user experiences. ### **Operational Excellence and Leadership** * Be accountable for the **Scalability, Performance, and Reliability** of critical backend systems, proactively identifying and resolving bottlenecks. * Ensure **Code Quality and Maintenance** through rigorous code reviews, establishment of testing strategies (unit, integration, and performance testing), and adherence to best practices in version control (Git). * Lead the effort to **Troubleshoot and Debug** the most complex technical issues and architectural failures in production environments. * Enforce strong **Security and Data Protection** standards, implementing advanced security measures to protect sensitive data in compliance with industry and regulatory standards. ### **Documentation and Mentorship** * Create and maintain clear, comprehensive **Documentation** for the backend architecture, services, and APIs, fulfilling the need for robust **documentación de proyectos**. * Mentor and coach mid\-level and senior engineers, raising the technical bar for the entire team. **Key Requirements:** --------------------- * Bachelor’s degree in Computer Science, Information Systems, Computer Engineering, or a related field. * **8\+ years of experience** as a backend developer, with at least **3 years in a technical lead or staff\-level role**. * Expert\-level proficiency in **Python** for web development. * Deep, demonstrable experience with **Django, FastAPI**, and designing high\-throughput **REST APIs**. * **Mastery of database systems** (e.g., MySQL, PostgreSQL, MongoDB), including advanced schema design, replication, sharding, and writing highly optimized SQL queries. * Extensive experience with **microservices architecture** and distributed systems design. * Proven expertise in cloud platforms (e.g., **AWS, Google Cloud, Azure**) and containerization technologies (**Docker, Kubernetes**). * Exceptional problem\-solving skills and the ability to troubleshoot and resolve complex, large\-scale distributed system issues. * Expert knowledge of **security best practices** and data privacy compliance. * Outstanding written and verbal communication skills, essential for cross\-functional collaboration and creating comprehensive **project documentation**.