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Contract Backend Python Developer Jobs in Toronto, ON

Virtusa

Gen AI Developer

Toronto, ON

Optimize prompt engineering and enhance model performance. * Collaborate with cross-functional ... Proficiency in Python and AI/ML libraries, along with API development and integration. * Experience ...

Stealth Startup

Backend Developer [32893]

Toronto, ON

CA$200K - CA$300K/yr

Seeking a passionate Backend Developer with 0-7 years of experience to develop and maintain server ... Proficiency with Python. * Knowledge of database management (SQL, NoSQL). * Familiarity with ...

New

Insight Global

Back End Developer

Toronto, ON · Hybrid

CA$60 - CA$65/hr

Backend Developer * 3-month contract with high likelihood of extension or full-time conversion * Hybrid: 2 days onsite in downtown Toronto * Pay rate: $60-65/hour Insight Global is hiring for a ...

ONIT Energy/ Canadian Water Savings

Be Seen First

Senior AI Developer/ Full Stack

Toronto, ON · On-site

CA$115K - CA$130K/yr

Backend and Platform Engineering * Build and maintain backend services in Python and FastAPI that power the AI management layer, orchestration logic, APIs, and platform integrations. * Design clean ...

ShyftLabs

Senior Backend Developer

Toronto, ON · Hybrid

CA$100K - CA$140K/yr

The ideal candidate combines strong backend and frontend engineering skills with experience in ... Python * Design and maintain API contracts, data models, and integration patterns to ensure ...

Dew Software

Back End Developer

Toronto, ON

Job title: Sr. backend engineer Location: downtown Toronto -Hybrid Duration: Long term Contract We are seeking a strong individual contributor backend engineer with hands-on experience architecting ...

NTT DATA Services

AI Developer (REMOTE)

Toronto, ON · 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.

NTT DATA Services

AI Developer (REMOTE)

Toronto, ON · 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.

Chubb

Senior Full Stack Engineer

Toronto, ON · On-site

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

Hays

Sr Backend Developer

Toronto, ON · Hybrid

CA$90 - CA$100/hr

Senior Backend Developer Length : 1 year contract (strong potential for extension) Rate : $90-$100/hr INC Location : Downtown Toronto (1 day onsite) Your New Company Join a high-performing digital ...

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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 are popular job titles related to Contract Backend Python Developer jobs in Toronto, ON? For Contract Backend Python Developer jobs in Toronto, ON, the most frequently searched job titles are:
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:
Contract Backend Python Developer jobs near you
Infographic showing various Contract Backend Python Developer job openings in Toronto, ON as of June 2026, with employment types broken down into 1% Locum Tenens, 1% Internship, 94% Full Time, 2% Part Time, and 2% Contract. Highlights an 79% Physical, 5% Hybrid, and 16% Remote job distribution.
Gen AI Developer

Gen AI Developer

Virtusa

Toronto, ON

Full-time

Posted 25 days ago

Job description

Generative AI Expert

Location PCS CA~TORONTO

Years of Experience 5-7 Years

Job Summary We are seeking a Generative AI Expert with a proven track record in delivering Proofs of Concept (PoCs), Minimum Viable Products (MVPs), and production-grade Generative AI solutions. The ideal candidate will possess a blend of deep technical expertise and practical implementation experience, driving AI-led innovation and enterprise adoption.

Responsibilities

  • Design, develop, and implement Generative AI solutions, including PoCs and MVPs.
  • Deliver production-grade applications leveraging LLMs and RAG architectures.
  • Optimize prompt engineering and enhance model performance.
  • Collaborate with cross-functional teams to integrate AI solutions into existing systems.
  • Monitor and evaluate model performance, ensuring adherence to responsible AI practices.
  • Provide guidance on security, data privacy, and compliance related to AI implementations.

Mandatory Skills

  • 5-10 years of experience in AI/ML with hands-on Generative AI delivery experience.
  • Strong expertise in LLMs (OpenAI, open-source models) and prompt engineering.
  • Experience with frameworks/tools such as LangChain, LlamaIndex, and vector databases.
  • Proficiency in Python and AI/ML libraries, along with API development and integration.
  • Experience with cloud platforms (AWS/Azure/GCP).

Preferred Skills

  • Understanding of model evaluation, monitoring, and guardrails.
  • Knowledge of Responsible AI principles and practices.

Qualifications

  • Bachelor's or Master's degree in Computer Science, Data Science, or a related field.
  • Proven experience in delivering AI solutions in a consultancy role.
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About Virtusa

Sourced by ZipRecruiter

We are builders, makers, and doers with the technical skills and domain expertise to transform your business at scale and speed without disruption. Our unique Engineering First approach blends deep industry expertise and empowered, agile teams, to create holistic solutions that seamlessly move the business forward. We help clients engage with new technology paradigms to creatively build solutions that drive them to the forefront of their industries.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Westborough, MA, US

Year founded

1996

Social media

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