Lead Python Developer, Customer Success Engineer

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Take charge of customer data migrations from the initial investigation to successful execution.

• Analyze, transform, validate, and migrate data from various customer systems and data sources.

• Develop and maintain Python/Django scripts and tools that support migration workflows.

• Work with both relational and NoSQL databases, as well as various data structures and file formats.

• Investigate technical issues reported by customers and determine root causes.

• Drive technical issues to resolution.

• Manage customer-specific backend modifications, integrations, and bug fixes.

• Collaborate with REST APIs and external systems during migrations and troubleshooting processes.

• Communicate directly with customers to clarify technical requirements and coordinate solutions.

• Lead backend engineers while working closely with them and other cross-functional team members.

• Enhance migration processes and tools to make ongoing customer onboarding more reliable and scalable.

⛳️ Requirements

• Over 7 years of professional backend development experience with Python and Django.

• At least 3 years of experience as a Technical Lead, providing guidance to development teams and interacting directly with stakeholders.

• Strong hands-on expertise with PostgreSQL, including complex queries, data structures, and database migrations.

• Practical experience with data migrations, data transformation, and migration scripts.

• Experience with various data sources, data formats, and database models, including both relational and NoSQL databases.

• In-depth understanding of REST APIs and experience with third-party integrations.

• Excellent debugging and troubleshooting skills, including the ability to analyze unfamiliar code, data, and system behavior.

• Proficient in using Git, Docker, and Bash for daily development tasks.

• Familiarity with AI-powered development tools, particularly Claude Code or similar coding agents.

• Ability to interact directly with customers, clarify technical challenges, and communicate solutions effectively.

• Strong sense of ownership, attention to detail, and persistence in resolving technical issues.

• Upper-Intermediate English (B2+) or higher, with strong spoken communication skills.

• Must be aligned with U.S. EST business hours.

• Occasional availability outside of standard working hours may be necessary.

• Experience with customer data migrations between complex B2B or SaaS platforms.

• Proven experience in building or enhancing internal migration tools and automation.

• Familiarity with B2B SaaS product environments.

• Experience with CI/CD pipelines and production deployment workflows.

• Knowledge of Azure and cloud-based applications.

• Experience in troubleshooting customer-specific integrations and production data issues.

• Familiarity with CRM platforms.

🏝️ Benefits

• Option for remote work.

• Opportunity to collaborate with international teams and clients.

• A collaborative work environment.

• Autonomy in your role.

• Continuous learning opportunities.

• Technical ownership of projects.

• Practical problem-solving experiences.