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Added 10 days ago
NT
Senior MLOps Engineer
Nöord Technologies
Montréal-Est, QC
- Full-time
Senior Python Development: Deep expertise in Python for building ETL pipelines, database interactions, S3, orchestration, versioning, and CI/CD on the cloud.
Added 10 days ago
B
Senior Software Developer
BlueCat
Toronto, ON
- Full-time
Build with modern, asynchronous Python and Golang, and use other languages where they fit.
Added 10 days ago
G
Business Systems Developer
Grantek
Burlington, ON
- Full-time
Grantek is looking for a Business Systems Developer to design, build, and maintain the internal applications, integrations, and automation workflows that support our global operations. This…
Added 10 days ago
NE
Junior Developer - Winter 2027 Co-op
Nexus Energy
Toronto, ON
- Volunteer
Support database development, data integration, and automation projects.
Added 10 days ago
EI
Python Developer
Extend Information Systems Inc.
Mississauga, ON
- $100,000 to $120,000 CAD / year
- Full-time
· Design, develop, and maintain software solutions using Python.
Added 10 days ago
TI
Senior DataOps / Cloud Data Engineer
Teckhorizon Inc
Toronto, ON
- Contract
Strong experience with Oracle, SQL Server, MySQL, database optimization, replication, and data modelling.
Added 10 days ago
AI
Automation Engineer (ITSM)
Apptoza Inc.
Calgary, AB
- Contract
-Python, PowerShell, and REST API development experience
Added 10 days ago
SM
RQ11716 – Systems Testing/QA Specialist – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Understanding of scripting languages (e.g., Python, JavaScript, Bash) for automation or test data setup.
Added 10 days ago
A
Services Business Applications Owner / Responsable des Applications pour Services
Airbus
Montreal, QC · Mirabel, QC
- Full-time
Atout : Connaissances avancées python, sql+, java, html, skywise et méthodologie AGILE.
Added 10 days ago
ST
AI Software Engineer
SS&C Technologies
Toronto, ON · Mississauga, ON
- Full-time
Design and implement AI-enabled workflows that improve developer productivity and software quality.
Added 10 days ago
Business Systems Analyst-C1425
City of London
London, ON
Database Development – Strong Microsoft SQL Server skills including schema design, complex queries, permissions, performance troubleshooting, and data reconciliation.
Added 10 days ago
MC
Senior DevOps Engineer
Modern Campus
Canada
- Full-time
Troubleshoot infrastructure and application issues across operating systems, networking, containers, application runtimes, and database dependencies.
Added 10 days ago
TI
Developer
TekStaff IT Solutions
ON · Ontario, Canada
- Contract
TekStaff's Client has a current vacancy for " Developer”
Added 10 days ago
OS
Python Developer
Open Systems Technologies
Montreal, QC
- Contract
5+ years of experience as a Python Backend Developer.
Added 10 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Evaluate and verify some issues discovered, log probable software bugs in Husky tracking database.
Added 10 days ago
F
Senior Software QA Specialist – FortiGate Cloud
Fortinet
Burnaby, BC
- Full-time
Maintain up-to-date knowledge of networking, database technologies, and cloud-based applications.
Added 10 days ago
M
Senior Data Architect
Miratech
Toronto, ON
- Full-time
…centre telephony and quality data from the Genesys A3S Snowflake database and Verint Workforce Management (WFM) feeds, and delivers it through a Bronze/Silver/Gold (Medallion) architecture…
Added 10 days ago
M
Senior Data Architect
Miratech
Toronto, ON
- Full-time
…centre telephony and quality data from the Genesys A3S Snowflake database and Verint Workforce Management (WFM) feeds, and delivers it through a Bronze/Silver/Gold (Medallion) architecture…
Added 10 days ago
SM
RQ11716 – Systems Testing/QA Specialist – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Understanding of scripting languages (e.g., Python, JavaScript, Bash) for automation or test data setup.
Added 10 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Database querying and transformation: dbt, SQL (writing queries, joins, stored procedures)
Added 10 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Evaluate and verify some issues discovered, log probable software bugs in Husky tracking database.
Added 10 days ago
SENIOR HEALTH INFORMATION ANALYST
City of Toronto
Toronto, ON
Writes and executes computer programs for data extraction, dataset creation and analysis using spreadsheets and statistical software packages (e.g., Excel, STATA, Python, SAS, and/or R).
Added 10 days ago
SM
RQ11716 – Systems Testing/QA Specialist – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Understanding of scripting languages (e.g., Python, JavaScript, Bash) for automation or test data setup.
Added 10 days ago
SM
RQ11601 – Systems Testing/QA Specialist – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
…candidate should be proficient in testing tools, defect tracking, database validation, accessibility testing, and test automation, with the ability to coordinate testing activities and…
Added 10 days ago
SM
RQ11601 – Systems Testing/QA Specialist – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
…candidate should be proficient in testing tools, defect tracking, database validation, accessibility testing, and test automation, with the ability to coordinate testing activities and…

Open Systems Technologies

Python Developer

Montreal, QC, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 15, 2026
Experience: 5+ years of experience as a Python Backend Developer.
Posting language: English
Posted: Oct 16, 2026

Original job description

Key Responsibilities:

Develop and maintain backend services using Python.

Identify and resolve hygiene issues in the codebase.

Collaborate with developers to integrate APIs and services.

Ensure the technical feasibility and performance of services.

Write clean, maintainable, scalable and efficient code.

Participate in code reviews and contribute to team knowledge sharing.

Troubleshooting problems, identifying and resolving root causes, and fixing bugs in timely manner.

Stay up to date with the latest industry trends and technologies.

Hands-on experience in developing software with agile or scrum methodologies and are ready to lead our junior developer's team

Have innovative thought process and creative thinking that can bring out the box and alternate ways of system

Key Requirements:

5+ years of experience as a Python Backend Developer.

Strong proficiency in Python, SQL.

Practical experience with at least one SQLAlchemy, Django, FlaskAPI

Understand create and translate system design into functional code.

Experience with Python build tools.

Strong understanding of Authentication and Authorization (OAUTH, SAML etc.)

Deep understanding of Python and familiar with the main design patterns.

Familiarity with RESTful APIs and web services.

Experience with version control systems (e.g., Git).

Strong analytical and problem-solving skills and attention to detail.

Excellent communication and teamwork skills.

Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).

Experience with database management systems (e.g. PostgreSQL).

Familiarity with microservices architecture and distributed system design.

Knowledge of testing frameworks (e.g., PyTest).

Experience with Agile/Scrum development methodologies.

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More about this job

Responsibilities

Develop, maintain, and optimize Python backend services, integrating APIs and services while ensuring performance, scalability, and code quality. Troubleshoot and fix bugs, participate in code reviews and knowledge sharing, and help lead junior developers.

Requirements

Requires 5+ years of Python backend development experience, strong Python and SQL skills, and practical experience with at least one of SQLAlchemy, Django, or Flask. Candidates should also have experience with system design, authentication and authorization, REST APIs, databases, testing, version control, and Agile/Scrum, plus a bachelor's degree in a related field or equivalent experience.

Skills

Python
SQL
SQLAlchemy
Django
Flask
RESTful APIs
Authentication and Authorization
OAuth
SAML
System Design
Microservices
Distributed Systems
PostgreSQL
PyTest
Git
Agile/Scrum

Visa sponsorship

Not detected in the job text

Keywords

Python
SQL
SQLAlchemy
Django
Flask
Python Build Tools
OAuth
SAML
Authentication
Authorization
Design Patterns
RESTful APIs
Web Services
Git
PostgreSQL
Microservices
Distributed Systems
PyTest
Agile
Scrum
Backend Development
System Design
Code Reviews
Troubleshooting
Performance Optimization
Team Leadership

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