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Contract Sr Python Developer Jobs in Toronto, ON

ShyftLabs

Senior Backend Developer

Toronto, ON · Hybrid

CA$100K - CA$140K/yr

The Opportunity ShyftLabs is looking for a Senior Developer to help design, build, and scale our ... Python * Design and maintain API contracts, data models, and integration patterns to ensure ...

Chubb

Senior Backend Engineer

Toronto, ON · On-site

... a Python FastAPI RAG orchestration service integrating Azure AI Search and Azure OpenAI; and a ... endpoint - API contracts are first-class deliverables Apply structured OgmaLogger logging ...

Autodesk

Senior AI Developer

Toronto, ON · On-site

... Senior AI Developer Position Overview The team is looking for a Principal Software Developer. You ... Python or Node.js * Experience with AI Agent tools & frameworks * Experience building and ...

Targeted Talent

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving ... Work with React.js and Google App Engine with Python 2.7 to support the Front End team. What's in ...

Targeted Talent

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving ... Work with React.js and Google App Engine with Python 2.7 to support the Front End team. What's in ...

AIM Software

Senior DevOps Engineer

Toronto, ON · Remote

WHY THIS ROLE IS IMPORTANT TO US We are looking for a Senior DevOps Engineer to join our team ... Create and enhance automation scripts (PowerShell, Python, etc.) to improve efficiency.

Citi

Sr. Developer/SRE - Vice President

Mississauga, ON · On-site

CA$120K - CA$170K/yr

They should be proficient in at least one object-oriented programming language such as Java, Python ... Proven experience as senior developer, SRE, or similar role. Proficiency in object-oriented ...

TMX Group

Senior C++ Application Developer

Toronto, ON · Hybrid

We are looking for a versatile Senior Software Engineer to join our core team and help us build and ... Develop sophisticated scripts (Python, Bash) to automate repetitive tasks, optimize CI/CD pipelines ...

AssistIQ

Senior Software Developer

Toronto, ON

As a Senior Software Developer, you will be responsible for designing, developing and managing the ... JavaScript/TypeScript, Python or Go * Experience building CI/CD pipelines and applying automation ...

AssistIQ

Senior Software Developer

Toronto, ON · Remote

As a Senior Software Developer, you will be responsible for designing, developing and managing the ... JavaScript/TypeScript, Python or Go * Experience building CI/CD pipelines and applying automation ...

Cority Software

Sr. DevOps Engineer

Toronto, ON · On-site

To learn more, visit www.cority.com POSITION SUMMARY The Sr. DevOps Engineer will work ... Python, PowerShell, or similar scripting language * Extensive proven experience with AWS network ...

Pagefreezer

Senior Software Developer (Remote)

Toronto, ON · Remote

CA$110K - CA$145K/yr

What You'll Do as a Senior Software Developer * Design & Scale Robust Architecture: Develop and ... Python and supporting libraries, Angular. * Infrastructure: Cloud systems (AWS), ArgoCD , SNS, SQS ...

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All JobsContract Sr Python Developer JobsContract Sr Python Developer Jobs in Toronto, ON

Contract Sr Python Developer information

What does a Contract Sr Python Developer do?

A Contract Sr Python Developer is an experienced software engineer hired on a temporary or project basis to design, develop, and maintain applications using the Python programming language. They often work on complex projects, lead technical teams, and ensure high-quality code and best practices. Their responsibilities may include system architecture, code reviews, mentoring junior developers, and collaborating with other departments to deliver robust solutions.

What are some common challenges faced by a Contract Sr Python Developer when integrating with existing systems?

As a Contract Sr Python Developer, one of the most common challenges is quickly understanding and adapting to legacy codebases and existing system architectures. You may encounter outdated documentation, varying coding standards, or integration points that require creative problem-solving. Effective communication with the in-house development team and stakeholders is crucial to clarify requirements, resolve ambiguities, and ensure smooth interoperability. Staying organized and proactive in addressing potential compatibility or security issues will help you deliver robust solutions within tight project timelines.

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

To thrive as a Contract Sr Python Developer, you need advanced proficiency in Python programming, strong understanding of software development principles, and significant experience with backend frameworks and APIs. Familiarity with tools such as Django or Flask, version control systems like Git, and cloud platforms (e.g., AWS or Azure) is typically expected, along with a relevant degree or equivalent professional experience. Exceptional problem-solving ability, effective communication skills, and the capacity to work independently or in distributed teams distinguish top performers in this role. These skills ensure you can deliver high-quality, scalable solutions while collaborating efficiently in dynamic contract environments.

What is the difference between Contract Sr Python Developer vs Contract Python Developer?

AspectContract Sr Python DeveloperContract Python Developer
Experience LevelSenior, with several years of experienceEntry to mid-level, with less experience
ResponsibilitiesDesigning complex systems, leading projectsImplementing features, supporting existing code
Required SkillsAdvanced Python, system architecture, mentorshipBasic to intermediate Python, scripting
Work EnvironmentFast-paced, often in larger teams or projectsSmaller projects, more hands-on coding

The main difference between a Contract Sr Python Developer and a Contract Python Developer lies in experience, responsibilities, and skill level. Senior developers typically handle complex tasks and lead projects, while entry-level developers focus on coding and support. Both roles are common in tech industries, but the senior role demands more expertise and leadership.

What are popular job titles related to Contract Sr Python Developer jobs in Toronto, ON?

For Contract Sr Python Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Contract Sr Python Developer jobs in Toronto, ON look for?

The top searched job categories for Contract Sr Python Developer jobs in Toronto, ON are:

Contract Sr Python Developer jobs near you

Senior Backend Developer

ShyftLabs

Toronto, ON • Hybrid

CA$100K - CA$140K/yr

Full-time

Medical, Dental, Vision

Re-posted 20 days ago

Job description

About ShyftLabs
At ShyftLabs, we live and breathe data. Since 2020, we've been helping Fortune 500 companies unlock growth with cutting-edge digital solutions that transform industries and create measurable business impact. We're growing fast and we're looking for passionate problem-solvers who are ready to turn big ideas into real outcomes.
 
The Opportunity
ShyftLabs is looking for a Senior Developer to help design, build, and scale our next generation of data-driven platforms and systems. This role sits at the intersection of platform engineering, system integrations, and intelligent product development, and will play a key role in shaping how our products evolve.

You will work closely with Product, Architecture, and cross-functional engineering teams to plan and deliver new features, lead development efforts, and ensure seamless integration across internal and external systems. This includes building robust APIs, event-driven services, and third-party integrations, while also contributing to emerging AI-powered capabilities within our platforms.

The ideal candidate combines strong backend and frontend engineering skills with experience in distributed systems, integrations, and scalable architectures. JavaScript, TypeScript, Node.js, and GraphQL remain core requirements for this role.

What You'll Do

  • Design and development of scalable, service-based architectures (front-end and back-end), while remaining hands-on in coding and delivery

  • Architect and implement system integrations across internal services and third-party platforms (REST, GraphQL, event streams, webhooks, ETL pipelines)

  • Collaborate with Product to translate business requirements into technical solutions, defining scope, complexity, and dependencies

  • Drive development across teams for services built in Node.js, TypeScript, JavaScript, and Python

  • Design and maintain API contracts, data models, and integration patterns to ensure consistency and reliability across systems

  • Build and optimize secure, high-performance, and highly available systems

  • Contribute to AI-enabled features and workflows, including integration of ML models, LLM APIs, or intelligent automation pipelines

  • Partner with architects to define system design, integration strategies, and reusable frameworks

  • Produce clear technical documentation (architecture diagrams, data flows, API specs, integration patterns)

  • Establish and enforce best practices in code quality, testing, and deployment

  • Lead code reviews, approve merges, and mentor engineers across teams

  • Troubleshoot complex production issues and drive resolution across distributed systems

  • Oversee the end-to-end lifecycle of feature development-from design through deployment and monitoring

What You Bring

  • 5+ years of experience building scalable, production-grade software systems across front-end and back-end

  • Bachelor's degree in Computer Science or a related field

  • Strong expertise in JavaScript and TypeScript

  • Proven experience with Node.js and GraphQL (required)

  • Deep experience building and consuming RESTful APIs and distributed services

  • Strong proficiency with tools and technologies such as Python, Docker, Git, SQL, and cloud-native architectures

  • Hands-on experience with GCP or AWS services (e.g., S3, CloudFront, EC2, RDS, Lambda, Batch)

  • Experience designing and implementing system integrations (microservices, third-party APIs, event-driven architectures, messaging systems like Kafka/SQS)

  • Ability to lead and deliver large, complex technical initiatives

  • Strong understanding of software design patterns, system architecture, and data flow design

  • Excellent communication skills, with the ability to articulate complex technical concepts clearly

  • Experience working in Agile/Kanban environments and a strong understanding of the SDLC

  • Adaptability and a proactive mindset in fast-paced, evolving environments

Nice to Have

  • Experience working on or building tax, fintech, or compliance-related products (e.g., tax calculation engines, filing systems, regulatory platforms)

  • Exposure to AI/ML engineering, including integrating LLM APIs, building data pipelines for ML workflows, or deploying AI-driven features

  • Experience with data platforms, data pipelines, or analytics systems

  • Familiarity with event-driven architectures and real-time data processing

  • Experience designing multi-tenant or enterprise-grade SaaS platforms

  • Background in integration-heavy environments (e.g., ERP, financial systems, external data providers)

Salary Range
  • $100,000 - $140,000 (CAD)
Why You'll Love Working at ShyftLabs
 
At ShyftLabs, your work matters. We're a growing data product company making a big impact with Fortune 500 clients and as we scale, you'll have the chance to shape solutions, influence strategy, and grow your career alongside us.
 
Here's what you can expect when you join our team:
-Hybrid Flexibility: Enjoy a hybrid model with three days per week in our Toronto office.
-Downtown Toronto Office: Work in the heart of the city.
-Comprehensive Benefits: We cover 100% of health, dental, and vision insurance premiums for you and your dependents which means no out-of-pocket costs. Eligibility starts from day one itself.
-Growth & Learning: Access extensive learning and development resources to keep leveling up your skills.
 
Inclusion at ShyftLabs
 
We're building something big, and we want you on the journey with us. If you're ready to use data and innovation to make an impact, apply today and let's grow together.
 
ShyftLabs is an equal-opportunity employer committed to creating a safe, diverse, and inclusive environment. We encourage applicants of all backgrounds including ethnicity, religion, disability status, gender identity, sexual orientation, family status, age, and nationality to apply. If you require accommodation during the interview process, let us know and we'll be happy to support you.
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