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Contract Backend Python Developer Jobs in Toronto, ON

This role combines hands-on backend engineering (Python, serverless, microservices, APIs, AWS) with operational ownership and close collaboration with product, data stewards, and UX. The successful ...

This is a hands-on backend role for someone whose career has become deeply Python-focused. You ... You will work closely with Product and Engineering to understand requirements, shape technical ...

This is a hands-on backend role for someone whose career has become deeply Python-focused. You ... You will work closely with Product and Engineering to understand requirements, shape technical ...

... Backend - Python FastAPI * Contribute production-ready route handlers, Pydantic models, and async ... Contribute to architectural decisions spanning state management patterns, API contract design, CI ...

As a Full Stack Engineer on the Conversation Intelligence team, you'll be at the heart of Chorus.ai ... Strong proficiency in either backend ( Python, Node.js ) or frontend ( React, Angular ) development ...

... generation of AI engineers, and transform finance operations. Join our team and what we'll ... Frontend (React, modern JavaScript/TypeScript) and Backend (Python, RESTful APIs) * Strong ...

Senior Software Engineer

Toronto, ON ยท On-site

$100 - $130/hr

What We're Looking For * 5+ years backend engineering with Python and production experience with FastAPI or similar async frameworks. * Proven track record building AI/LLM-powered applications in ...

New

Backend: Python (FastAPI) and/or Node.js * Proven experience building REST APIs, microservices, and ... Strong testing practices (TDD, Playwright, contract testing) * Experience with OpenTelemetry or ...

... generation of AI engineers, and transform finance operations. Join our team and what we'll ... Frontend (React, modern JavaScript/TypeScript) and Backend (Python, RESTful APIs) * Strong ...

Staff Backend Engineer (Distributed Systems, SaaS & AI) Why Kaseya? Join a fast-growing company ... Experience building backend services using Go, Java, Python, Node.js/TypeScript, Rust, or similar ...

Backend: Python, Java (Spring Boot), C and C++ * Python tooling: pydantic, FastAPI, asyncio, pytest ... Strong fundamentals in computer science and software engineering * Experience building and ...

AI Developer (REMOTE)

Toronto, ON ยท Remote

CA$84K - CA$146K/yr

Engineer, test, and optimize prompts to improve response accuracy, consistency, contextual ... Develop scalable backend AI services and APIs using Python frameworks such as FastAPI and Flask.

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Showing results 1-20

Contract Backend Python Developer information

What is the difference between Contract Backend Python Developer vs Contract Software Engineer?

AspectContract Backend Python DeveloperContract Software Engineer
Required credentialsProficiency in Python, frameworks like Django or Flask, API developmentVaries; often includes Python, Java, C++, or other languages, with general software development skills
Work environmentTypically in tech companies, startups, or agencies focusing on backend systemsBroader environments including frontend, backend, or full-stack roles across industries
Employer and industry usageUsed in tech, e-commerce, finance, and SaaS companies for backend servicesCommon across all industries requiring software solutions, including enterprise and consulting firms

Contract Backend Python Developers specialize in Python-based backend systems, focusing on API and server-side development. Contract Software Engineers have a broader scope, working with multiple programming languages and software components. While both roles require strong coding skills, Contract Backend Python Developers are more specialized in Python frameworks and backend architecture, making them ideal for projects centered on Python-based backend solutions.

What are the key skills and qualifications needed to thrive as a Contract Backend Python Developer, and why are they important?

To thrive as a Contract Backend Python Developer, you need strong proficiency in Python, experience designing and building APIs, and a solid understanding of databases and server-side architecture. Familiarity with frameworks like Django or Flask, version control systems like Git, and experience working with cloud platforms (such as AWS or Azure) are typically required. Excellent problem-solving skills, effective communication, and the ability to work independently are essential soft skills. These competencies ensure you can deliver robust, scalable backend solutions efficiently and collaborate seamlessly with cross-functional teams in a contract-based, deadline-driven environment.

What are some common challenges contract backend Python developers face when joining new projects?

Contract backend Python developers often encounter challenges such as quickly ramping up on unfamiliar codebases, adapting to varying development workflows, and integrating with existing teams remotely. Since contract roles are typically project-based and time-limited, developers must efficiently understand project requirements and existing infrastructure to contribute effectively from day one. Clear communication and proactive collaboration with team members, especially regarding code standards and deployment practices, are key to overcoming these challenges and ensuring smooth project delivery.

What is a Contract Backend Python Developer?

A Contract Backend Python Developer is a software engineer who specializes in building and maintaining the server-side logic of web applications using the Python programming language, typically on a temporary or project-based contract. They focus on developing APIs, databases, and other backend components that support the frontend of web or mobile applications. Unlike full-time employees, contract developers are usually hired for specific projects or timeframes, offering flexibility to both the developer and the employer.
What job categories do people searching Contract Backend Python Developer jobs in Toronto, ON look for? The top searched job categories for Contract Backend Python Developer jobs in Toronto, ON are:
Infographic showing various Contract Backend Python Developer job openings in Toronto, ON as of July 2026, with employment types broken down into 2% Locum Tenens, 8% As Needed, 68% Full Time, 19% Part Time, and 3% Contract. Highlights an 78% Physical, 3% Hybrid, and 19% Remote job distribution.
Lead Full Stack Developer - Python (Global Security)

Lead Full Stack Developer - Python (Global Security)

Royal Bank of Canada

Toronto, ON โ€ข On-site

Full-time

Posted 27 days ago


Job description

Job Description

What is the opportunity?

We're seeking a hands-on lead Python expert with proven leadership experience who combines deep technical expertise in machine learning with a track record of leading development teams. You'll actively contribute to building and deploying highly scalable, intelligent applications while guiding a skilled team of developers. The team is responsible for designing, building, and rolling out AI-enhanced API's and applications for critical RBC Security platforms and processes.

What will you do?

You will work in an Agile manner with our internal consumers, security architects, and collaborate with a team of developers to deliver applications and API's for critical Global Security platforms and processes.

  • Lead development teams through hands-on technically guidance and mentorship to integrate AI/ML capabilities into security automation initiatives
  • Design and build full-stack AI/ML-powered Cyber Security automation, writing production Python code and implementing ML models end-to-end
  • Develop and deploy machine learning pipelines for security analytics, anomaly detection, data validation and enhanced capabilities
  • Integrate security products, ML models and infrastructure components
  • Active participation in group meetings to discuss technical design, decisions, implementation, problem solving and improvements
  • Follow internal standards and best practice to design and deploy secure, maintainable applications
  • Integrate security products with existing infrastructure and deployment pipelines
  • Integrate applications with alerting, monitoring and reporting tools

What do you need to succeed?

Must-have:

  • Proven track record leading development teams
  • 7+ years advanced Python proficiency across multiple domains (front end/backend services, data pipelines, ML applications)
  • 3+ years of hands-on experience in ML/AI development with demonstrated project success
  • Demonstrated expertise with ML frameworks (TensorFlow, PyTorch, scikit-learn)
  • Proficiency in data manipulation and analysis (Pandas, NumPy, SQL)
  • Deep knowledge of design patterns, clean code principles, and architectural best practices
  • Bachelor's degree in computer science or related field, or equivalent experience
  • Idea to execution software development, including established working experience in Python
  • Experience with building and consuming REST APIs, and associated security protocols (such as OAuth, TLS)
  • Experience with Microservice Architecture, Kubernetes

Nice-to-have:

  • Strong understanding of cyber security best practices and compliance standards
  • Certification in Kubernetes (CKA or CKAD)
  • Knowledge of Agile and DevOps methodologies
  • Full-stack development experience (front-end frameworks: React)
  • Experience in Monitoring/Logging tools (such as ELK, Dynatrace, Prometheus)
  • Certification in network and cyber security (CISSP, CEH, or similar)

What's in it for you?

We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.

  • A comprehensive Total Rewards Program including bonuses and flexible benefits, competitive compensation, commissions, and stock where applicable
  • Leaders who support your development through coaching and managing opportunities
  • Ability to make a difference and lasting impact
  • Work in a dynamic, collaborative, progressive, and high-performing team
  • A world-class training program in financial services
  • Flexible work/life balance options
  • Opportunities to do challenging work

#LI-POST

#TECHPJ

Job Skills

Containerization, Information Technology (IT) Infrastructure, Kubernetes, Microarchitecture, Programming Languages, Python (Programming Language), RESTful APIs, Software Change Request Management, Software Development Life Cycle (SDLC), Software Engineering, Software Integration Engineering, Software Product Design, Software Product Technical Knowledge, Software Release Management, System Testing Tools

Additional Job Details

Address:

16 YORK ST:TORONTO

City:

Toronto

Country:

Canada

Work hours/week:

37.5

Employment Type:

Full time

Platform:

TECHNOLOGY AND OPERATIONS

Job Type:

Regular

Pay Type:

Salaried

Posted Date:

2026-06-09

Application Deadline:

2026-07-29

Note: Applications will be accepted until 11:59 PM on the day prior to the application deadline date above

Our Employment Opportunities

At RBC, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One RBC. We believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. RBC strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

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Expand your limits and create a new future together at RBC. Find out how we use our passion and drive to enhance the well-being of our clients and communities at jobs.rbc.com.

RBC is presently inviting candidates to apply for this existing vacancy. Applying to this posting allows you to express your interest in this current career opportunity at RBC. Qualified applicants may be contacted to review their resume in more detail.

Employment Type: FULL_TIME