Collectly

Senior Python Backend Engineer (Fintech)

In short

Senior Python Backend Engineer role at Collectly, a healthcare billing software company, building features that help patients pay medical bills and providers reduce unpaid balances. The job involves owning backend features end-to-end, improving performance, security and maintainability, and diagnosing SQL and concurrency issues. It's fully remote with collaboration during Europe's timezones, requiring significant hands-on experience with Python, Flask, SQLAlchemy, PostgreSQL, Redis, and Celery, plus clear English communication for an asynchronous work environment.

Location
Fully remote; collaboration during Europe's timezones
Salary
$6,000–$8,500/month gross
Company
Collectly develops healthcare billing software designed to make it easier for patients to pay medical bills and help medical providers reduce unpaid balances.
What you will do
•Collaborate with founders and frontend, UX, and core team members in a fast-paced, iterative environment.
•Build and ship small and midsized backend features with minimal guidance, and contribute to larger projects.
•Improve product quality, security, performance, coding standards, and maintainability.
•Review code and identify, prioritize, and resolve technical debt.
•Own projects from proposal and discussion through execution and production delivery.
•Represent Collectly and its values in public communication about specific projects.
Requirements
•Significant professional experience with Python, Flask, SQLAlchemy, PostgreSQL, Redis, and Celery.
•Knowledge of algorithms and data structures, including a basic level of proficiency.
•Understanding of race conditions and concurrent code design.
•Experience diagnosing and preventing performance and SQL optimization problems.
•Clear written and verbal English communication for a remote, largely asynchronous environment.
•Experience with GitLab, agile development, project ownership, and long-term organizational integration.
Culture & Benefits
•Fully remote organization with collaboration during Europe's timezones.
•Highly agile and intensely iterative software development process.
•Emphasis on communication, inclusion, visibility, consensus-building, and clear status updates.
•Autonomous work environment requiring self-management and strong organizational skills.

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