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Sr. Back-End Developer

Analyticsmart•Toronto, Ontario
Full-timeSenior
👁️ 0 views•📝 0 applications•Posted 10/3/2026•Expires 11/2/2026
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Job Description

About the Role: As our Sr. Backend Python Developer your primary focus will be managing the interchange of data between the server and the users. You will be responsible for the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application; therefore, a basic understanding of front-end technologies is necessary as well. This position is for immediate hire! Your responsibilities will include but are not limited to: • Developing backend for web & mobile apps using FastAPI or other Python frameworks • Writing reusable, testable, and efficient code using Python programming language • Designing relational and NoSQL databases for app backend • Liaising with software development team to determine application requirements • Integration of user-facing elements developed by the full stack developer with server side logic • Developing back-end components to improve responsiveness and overall performance • Testing and debugging applications • Assessing and prioritizing client feature requests • Integrating data storage solutions • Reprogramming existing databases to improve functionality • Developing digital tools to monitor online traffic Required Qualifications and Experience: • University Degree in computer science or equivalent is required • 10+ years of experience with Backend Development using Python frameworks (FastAPI, Flask, Django) • 10+ years of experience working with relational databases (MySQL, MS SQL Server) • 5+ years of experience working with front-end frameworks (Angular preferred) • Experience with Python libraries - Pandas, Selenium • Experience with web technologies, HTML5, CSS3, JavaScript are essential • Ability to integrate multiple data sources and databases into one system • Experience with Heroku or any other Cloud platform experience • Experience with unit testing and testing frameworks • Experience with CI/CD • Ability to create database schemas that represent and support business processes • Strong unit test and debugging skills • Strong written and verbal communication skills • A good independent worker who can hit the ground running Preferred Qualifications, but not required • Background in Consumer Package Goods Industry • Exposure to mobile app development • Web design • Knowledge of application implementations involving Cordova / Phonegap, JavaScript, CSS, Android and/or iOS native SDKs • Fluency in French

Required Skills

PythonFastAPIFlaskDjangoMySQLMS SQL ServerAngularPandasSeleniumHTML5CSS3JavaScriptHerokuCI/CDConsumer Package Goodsmobile app developmentweb designCordovaPhonegapAndroidiOS SDKFrench

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