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Contract Backend Developer Jobs in Toronto, ON (NOW HIRING)

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 ... Design and maintain API contracts, data models, and integration patterns to ensure consistency and ...

Worthland

Senior Backend Engineer (Web3)

Toronto, ON · On-site

Work with on-chain data and interact with smart contracts. * Optimize blockchain transaction ... Collaborative, developer-focused work environment in a downtown office . * Inclusive and dynamic ...

Worthland

Senior Backend Engineer (Web3)

Toronto, ON · On-site

Work with on-chain data and interact with smart contracts. * Optimize blockchain transaction ... Collaborative, developer-focused work environment in a downtown office . * Inclusive and dynamic ...

Chubb

Senior Backend Engineer

Toronto, ON

... endpoint - API contracts are first-class deliverables Apply structured OgmaLogger logging ... backend engineering experience delivering production services at meaningful scale TypeScript ...

Tucows Inc.

Senior Backend Engineer

Toronto, ON · Remote

CA$145K - CA$155K/yr

Design and maintain APIs, database schemas, integrations, and data contracts. * Improve system ... backend software engineering experience. * Experience providing technical direction while remaining ...

Tucows Domains

Senior Backend Engineer

Toronto, ON · Remote

CA$145K - CA$155K/yr

Design and maintain APIs, database schemas, integrations, and data contracts. * Improve system ... backend software engineering experience. * Experience providing technical direction while remaining ...

Mercor

Backend Software Engineer - Python

Toronto, ON · Remote

CA$40 - CA$50/hr

Contract Compensation: $40-$50/hour Location: Remote Role Responsibilities * Build MCP servers in Python using FastMCP . * Integrate web or desktop applications into RL Studio . * Work with APIs ...

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Contract Backend Developer information

What is a contract backend developer?

Contract backend developers are professionals hired on a temporary or project basis to build and maintain the server-side logic, databases, and APIs that power web or mobile applications. They work behind the scenes to ensure that applications function smoothly, handle data efficiently, and communicate effectively with front-end systems. Unlike full-time employees, contract backend developers typically work for a set duration or on specific projects, offering flexibility to both clients and developers. They often bring specialized expertise in programming languages such as Python, Java, Node.js, or Ruby, and may work remotely or on-site depending on the contract terms.

What are the key skills and qualifications needed to thrive as a contract backend developer, and why are they important?

To thrive as a Contract Backend Developer, you need strong programming skills in languages like Python, Java, or Node.js, along with experience in database management and API development, supported by a relevant degree or proven project experience. Familiarity with frameworks (such as Django, Spring, or Express), cloud services (like AWS or Azure), and version control systems (e.g., Git) is typically expected. Excellent problem-solving abilities, strong communication, and the ability to quickly adapt to new codebases and team environments set top contractors apart. These skills and qualities are crucial for delivering reliable, scalable backend solutions and integrating smoothly into diverse project teams.

What are some common challenges faced by contract backend developers when joining a new project?

Contract Backend Developers often encounter challenges such as quickly understanding existing codebases, adapting to different tech stacks, and aligning with the team's development practices. Since contract roles usually have tight deadlines, developers must rapidly familiarize themselves with project documentation and workflows. Effective communication with team members and proactive clarification of requirements are essential to ensure smooth integration and successful project outcomes.

What are the most commonly searched types of Backend Developer jobs in Toronto, ON?

The most popular types of Backend Developer jobs in Toronto, ON are:

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

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Contract Backend Developer jobs near you
Infographic showing various Contract Backend Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 56% Full Time, and 44% Contract. Highlights an 100% In-person job distribution.

Senior Backend Developer

Toronto, ON • Hybrid

ShyftLabs
See more jobs at ShyftLabsexternal

CA$100K - CA$140K/yr

Full-time

Medical, Dental, Vision

Re-posted 17 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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