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Python Backend Developer

Vysystems — Canada · Posted ~3 hours ago

Skills

Python Object-oriented programming Data structures REST APIs FastAPI Flask Django SQL Pandas NumPy Data processing Database optimization Unit testing Integration testing Production troubleshooting Root cause analysis Pytest unittest

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Summary ✨ AI‑Generated

A Python backend developer is needed to build and maintain applications, REST APIs, and data-processing pipelines handling large financial datasets. The role involves Python, SQL, Pandas, NumPy, modern web frameworks, automated testing, data validation and reconciliation, performance optimization, and production issue resolution.

Highlights

Develop backend applications and REST APIs while working with large financial datasets. The role combines Python engineering, data processing, database optimization, automated testing, production troubleshooting, and enterprise software standards.

Description

Key Responsibilities Design, develop, test, and maintain backend applications using Python.Build REST APIs and integrate applications with internal systems and external services.Develop data processing pipelines using Pandas, NumPy, and SQL.Write and optimize database queries for large financial datasets.Implement data validation, reconciliation, exception handling, and audit logging.Improve application performance, scalability, and reliability.Write automated unit and integration tests using Pytest or unittest.Participate in code reviews, Agile ceremonies, and technical design discussions.Troubleshoot production issues and perform root cause analysis.Follow enterprise security, change management, and software development standards. Required Qualifications Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.Strong proficiency in Python, object-oriented programming, and data structures.Experience with FastAPI, Flask, or Django.Strong SQL skills and experience with relational databases such as PostgreSQL, Oracle, or SQL Server.Experience with REST APIs, JSON, and application integration.Familiarity with Linux, shell scripting, Git, and CI/CD pipelines.Experience writing automated tests and debugging distributed applications.Strong analytical, problem-solving, and communication skills