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Sr Backend Python Developer Jobs in Toronto, ON (NOW HIRING)

Worthland

Senior Backend Engineer (Web3)

Toronto, ON · On-site

CA$300K - CA$450K/yr

Role Overview We are seeking a Senior Backend Engineer (Web3) with strong expertise in Go and ... Collaborative, developer-focused work environment in a downtown office . * Inclusive and dynamic ...

Wand

Senior Backend Engineer

Toronto, ON · Remote

$150K - $250K/yr

Role Overview We're hiring a Senior Backend Engineer to own meaningful parts of Wand's backend and help us drive the work forward. You'll partner closely with our Head of Engineering and the ...

Virtusa

Senior Python Developer

Mississauga, ON

... in Python and object-oriented programming Experience with at least one major Python web framework (Django, Flask, or FastAPI) Strong understanding of RESTful API design and development Experience ...

Virtusa

Senior Python Developer

Mississauga, ON

... in Python and object-oriented programming Experience with at least one major Python web framework (Django, Flask, or FastAPI) Strong understanding of RESTful API design and development Experience ...

NimbleRx

Senior Backend Engineer

Toronto, ON · On-site

As a Senior Backend Engineer , you will have a hand in architecting the technology and customer experience that are pivotal to multiple web products for patients, pharmacies and other customers of ...

US Mobile

Senior Backend Engineer

Toronto, ON

CA$140K - CA$180K/yr

Develop and maintain RESTful APIs using Java (Spring Boot or related web frameworks) or Python ... Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features * Write ...

Pigment

Senior Backend Software Engineer

Toronto, ON · On-site +1

CA$100K - CA$180K/yr

If you're passionate about backend engineering, solving complex problems, and working on ... Rust, Python or Ruby (this list is not exhaustive). - Great team spirit with a problem-solving ...

Autodesk

Senior Software Developer

Toronto, ON · On-site

... Senior Software Developer to join a Data Services team focused on delivering core record- and ... This role combines hands-on backend engineering (Python, serverless, microservices, APIs, AWS) with ...

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Sr Backend Python Developer information

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

AspectSr Backend Python DeveloperBackend Python Developer
Required Experience5+ years, leadership skills1-3 years, technical skills
ResponsibilitiesDesigning architecture, mentoringImplementing features, coding
CertificationsOptional, often relevantOptional
Work EnvironmentTeam leadership, project planningDevelopment, coding tasks

The main difference between a Sr Backend Python Developer and a Backend Python Developer lies in experience, responsibilities, and leadership roles. Senior developers typically have more experience, oversee architecture, and mentor junior staff, while backend developers focus on coding and feature implementation. Both roles are essential in Python-based backend development within tech companies and share similar technical requirements.

What are popular job titles related to Sr Backend Python Developer jobs in Toronto, ON? For Sr Backend Python Developer jobs in Toronto, ON, the most frequently searched job titles are:
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Sr Backend Python Developer jobs near you

Senior Backend Engineer (Web3)

Worthland

Toronto, ON • On-site

CA$300K - CA$450K/yr

Full-time

Re-posted 23 days ago

Job description

Company Description
Worthland Consulting Inc. is a premier recruitment agency specializing in connecting top-tier talent with leading Web3, blockchain, and cryptocurrency companies. We are committed to helping professionals find innovative and impactful opportunities in the decentralized space.

Role Overview
We are seeking a Senior Backend Engineer (Web3) with strong expertise in Go and TypeScript to join a high-performance blockchain infrastructure team. The ideal candidate will have on-chain development experience, backend architecture expertise, and a deep understanding of decentralized applications. This role focuses on server-side engineering, RPC services, bot development, and off-chain SDK integrations.
As a key member of the backend team, you will contribute to scalable Web3 services, on-chain interactions, and protocol infrastructure, working closely with a global team of engineers and business leaders. This role is fully onsite in a downtown office, offering a collaborative and innovative work environment.
Key Responsibilities
Backend Development & Architecture
  • Design and develop scalable, high-performance backend systems for Web3 applications.
  • Build and maintain server-side infrastructure for decentralized services.
  • Develop and optimize off-chain SDKs to enhance protocol efficiency.
  • Implement RPC services and improve blockchain data querying mechanisms.
On-Chain & Blockchain Development
  • Work with on-chain data and interact with smart contracts.
  • Optimize blockchain transaction handling and improve performance.
  • Develop backend services for bot automation and liquidity management.
Collaboration & System Optimization
  • Work closely with a backend engineering team to refine system architecture.
  • Collaborate with product teams to integrate backend solutions with frontend applications.
  • Ensure security best practices and system efficiency.
Required Skills & Qualifications
  • 4+ years of backend development experience with a focus on Go and TypeScript.
  • Strong on-chain development experience (DeFi, smart contract interactions, or protocol integrations).
  • Expertise in server-side development, microservices, and cloud infrastructure.
  • Experience in bot development, RPC services, and off-chain SDKs.
  • Deep understanding of blockchain data structures, APIs, and decentralized protocols.
  • Bachelor’s degree in Computer Science or a related field.
Nice to Have
  • Experience working with EVM-compatible chains and blockchain indexing solutions.
  • Contributions to open-source Web3 projects.
  • Background in smart contract security and MEV strategies.
  • Familiarity with DeFi protocols, liquidity management, and on-chain automation.
Work Arrangement & Location
  • Full-time, onsite role (5 days per week in office).
  • Collaborative, developer-focused work environment in a downtown office.
  • Inclusive and dynamic culture with strong engineering leadership.