113 Backend Engineer jobs in Toronto.

Toronto

• Skills: Senior Backend, Full Stack Engineer, Python, microservices, user dashboards, customer-facing experiences, Backend, React JS, API, SDK
• Type: Full-time

Toronto

• Skills: Kotlin, APIs, OOP languages, Java, C#, integration tests, system reliability, customer experience, AWS, MySQL
• Experience: Bachelor's degree in Computer Science/Software Engineering or equivalent industry experience
• Type: Hybrid
• Salary: $125,000 - $157,000 per year

Toronto

• Skills: Senior Software Engineer, Golang, distributed systems, relational databases, Postgres, caching, Redis, event processing platforms, Apache Kafka, Restful API development
• Experience: 5+ years of experience in Golang and understanding of CS fundamentals including data structures, algorithms, and complexity analysis (time and space); 5+ years of experience and understanding relational databases such as Postgres at scale; 5+ years of experience and understanding of highly scalable caching/no-sql offerings like Redis; 5+ years of design and architecture knowledge.

Toronto

• Skills: backend development, cloud services, AWS, GCP, Azure, API architecture, microservices, event-driven systems, CI/CD, DevOps
• Experience: Over 3 years of experience in backend development
• Type: Full-time
• Salary: $160,000 - $200,000

Toronto

• Skills: software development, scalable systems, low latency, large scale distributed systems, REST API design, mentoring, system performance, system improvements, collaboration, product-facing features
• Experience: 5+ years of software development experience; 3+ years experience writing low latency, large scale distributed systems
• Type: Full-time
• Salary: $140,000 - $165,000 CAD

Mississauga

• Skills: Java, SpringBoot, microservices, Jenkins, Docker, Kubernetes, Cloud, Azure, AWS, Data pipelines
• Experience: 5+ years of experience
• Type: Full-time

Toronto

• Skills: cloud platform, enterprise applications, clinical trials, compliance, distributed system, secure system, replication, containerization, backend services, scalable
• Type: Full-time

Toronto

• Skills: backend development, infrastructure, engineering leadership, technical standards, process improvement, team supervision, communication skills, partnership building, initiative prioritization, collaborative execution
• Experience: Experience in leading engineering teams in solving sophisticated problems.
• Type: Full-time
• Salary: $179,000 — $210,000 CAD

Toronto

• Skills: software engineer, object-oriented programming, distributed systems, cloud platforms, CI tools, Golang, debugging, fault-tolerant systems, relational databases, scalable systems
• Experience: 5+ years of software engineering industry experience
• Type: Full-time
• Salary: CAD $136,000 - CAD $187,000

Toronto

• Skills: software engineering, distributed systems, technical projects, user experience, customer experience, high quality code, collaborative approach, debug production issues, optimizing performance, internal teams
• Experience: 2+ years of professional hands-on experience in designing and developing large-scale infrastructure or distributed systems
• Type: Full-time

Toronto

• Skills: backend engineering, leadership, microservices, Kubernetes, Docker, AWS, Go, scalable, RESTful services, CI/CD
• Experience: 5+ years of experience as a software developer with a strong backend focus in an agile environment. 2+ years of experience in a leadership/mentorship role.
• Type: Full Time

Mississauga

• Skills: Java, SpringBoot, microservices, Jenkins, Docker, Kubernetes, Cloud, RESTful API, Relational databases, NoSQL
• Experience: 2+ years

Toronto

• Skills: Platform Development, Python APIs, PostgreSQL, AWS, Terraform, Data Warehouse Infrastructure, Workflow Orchestration, User Authentication, Service-Oriented Architecture, Event Delivery
• Experience: Several years of meaningful experience working on distributed, service-oriented architectures.

Toronto

• Skills: software development, full-stack, front-end, back-end, Java, data structures, algorithms, object-oriented design, frontend technologies, relational databases
• Experience: Recent graduate; relevant internship/project experience is a plus.
• Type: Full-time
• Salary: $90,000 - $115,000

Toronto

• Skills: backend systems, service availability, scalability, Kafka, Flink, application performance, data processing, system design, problem solving, high-growth company
• Experience: 5+ years of software engineering experience

Toronto

• Skills: Core Infrastructure Development, Scalable Solutions, Technical Expertise, Cross-Team Collaboration, Engineering Excellence, Backend Software Engineering, Object Oriented Software, Performance Optimization, Issue Resolution, Systems Design
• Experience: Proven Experience: Solid background in backend software engineering and delivering production-ready systems.

Toronto

• Skills: TypeScript, React, AWS, PostgreSQL, microservices, Agile, collaboration, scalability, performance tuning, testing methodologies
• Experience: 8+ years of industry experience
• Type: Full-time

Toronto

• Skills: API design, cryptographic solutions, C++, Rust, TypeScript, Node.js, PostgreSQL, MongoDB, microservices, unit testing
• Experience: At least 6 years of proven experience in designing and implementing cryptographic solutions for enterprise-level systems.
• Type: Full-time
• Salary: $180,000 - $240,000 CAD

Toronto

• Skills: backend development, distributed systems, Python, Go, Java, C++, scalable systems, APIs, cloud infrastructure, AI/ML systems
• Experience: Extensive experience in backend development
• Type: Hybrid

Toronto

• Skills: Python, Django, Celery, Backend, API Design, Microservices, B2B, B2C, SaaS, Distributed systems
• Experience: 6+ years of full stack experience building enterprise-level B2B/B2C SaaS Platforms
• Type: Full-time
• Salary: CA$130K – CA$180K

Toronto

• Skills: Web3, Blockchain, Smart Contracts, Programming, API Design, RESTful Services, Microservices, Backend Development, Distributed Systems, Cryptography
• Experience: 2+ years of experience working in Web3, 5-10+ years of professional programming experience
• Type: Full time

Toronto

• Skills: Blockchain, Smart Contracts, Solidity, Backend Development, Golang, Python, Decentralization, DApps, CI/CD, Microservices
• Experience: 3-4 years industry experience
• Type: Full time

Toronto

• Skills: AI, software engineer, Ruby on Rails, web development, healthcare technology, service-oriented architectures, APIs, SQL, machine learning, programming languages
• Experience: 5+ years of experience as a software engineer
• Type: Full time
• Salary: $120K – $175K

Toronto

• Skills: Java, Elixir, Dartboard, Distributed systems, Performance optimization, DevOps, Cloud proficiency, Kubernetes, CI/CD pipelines, Asynchronous event handling
• Experience: 8+ years of professional software development experience
• Type: Full-time

Toronto

• Skills: Java, Elixir, Pricing Engine, Agile, Cloud Infrastructure, Database, Monitoring, Odds Production, Software Design, Data Structures
• Type: Full-time

Toronto

• Skills: C#, MS .NET, event-driven architectures, distributed systems, Agile, high-throughput, software development, quality assurance, system design, problem-solving
• Experience: 5+ years
• Type: Full-time

Toronto

• Skills: backend architectures, cloud services, AI Agents, APIs, gRPC, REST, database design, Kubernetes, Docker, cloud environments
• Experience: 5+ years
• Type: Full-time

Toronto

• Skills: backend services, microservices, cloud-based, data pipelines, Golang, PostgreSQL, data analytics, software projects, clean code, API
• Experience: 3+ years of software development experience
• Type: Full time
• Salary: CA$116K – CA$160K

Toronto

• Skills: Backend systems, API Development, Database Management, Performance Monitoring, Code Quality, Cloud platforms, Microservices architecture, Python, Golang, Java
• Experience: 4+ years of experience in backend development
• Type: Full-time
• Salary: $170,000 – 220,000 annually

Toronto

• Skills: software engineering, API development, Python, Javascript, React, GraphQL, Kubernetes, Spinnaker, Jenkins, deploy tools
• Experience: 5+ years of software engineering experience.
• Type: Full-time

Toronto

• Skills: Software Engineering, Java, Spring MVC, REST API, Microservices, Angular, DevOps, CI/CD, Git, Database Management
• Experience: 4+ years
• Type: Full Time

Toronto

• Skills: data replication, data storage, data pipelines, IoT data, real-time data systems, Java, Node.js, scalability, observability, system design
• Experience: 4+ years in platform engineering or data engineering, 2+ years in data pipeline design and optimization.
• Type: Permanent, Full-time, Hybrid
• Salary: $150-200k/base + Meaningful Equity

Toronto

• Skills: Kubernetes, backend development, machine learning, multi-threaded environment, unit tests, integration tests, Typescript, Python, AWS, GCP
• Experience: 3+ years experience in backend development.
• Type: Full-time
• Salary: $80,000 to $100,000 annually

Toronto

• Skills: backend development, high-performance systems, scalable systems, database design, cloud computing, AWS, server-less computing, containerization, microservices, APIs
• Experience: 5+ years
• Type: Full-Time

Toronto

• Skills: PHP, Laravel, API, Software Engineering, Data Integration, Ecommerce, Supply Chain, Collaboration, Scalability, Performance
• Experience: 2+ years of professional back-end software engineering experience
• Type: Full-Time

Toronto

• Skills: back-end development, PHP, API, microservices, clean code, Git, UNIX/Linux, MVC, Agile, SQL databases
• Experience: 3+ years experience of back-end development
• Type: Full-time

Toronto

• Skills: software engineer, integrations, APIs, systems integration, data management, cross-functional teams, software development, architecture, scalable solutions, cloud systems

Toronto

• Skills: C++, Java, Python, software solutions, investment management, capital markets, AWS, scalability, client-facing skills, team collaboration
• Experience: 5+ years
• Type: Full-time

Toronto

• Skills: software engineer, high-performance applications, collaborative environment, Back-End Engineer, AI product capabilities, Enterprise SAAS, server-side components, robust, scalable, performant

Toronto

• Skills: AI Agents, Backend architectures, Scalable solutions, APIs, Cloud services, Database optimization, Kubernetes, Docker, Microservices, Server architecture
• Experience: 2+ years
• Type: Full-time

Toronto

• Skills: software development, distributed systems, cloud computing, big data, Golang, TypeScript, Java, Python, financial applications, data architecture
• Experience: 10+ years of professional engineering experience
• Type: Full-time

Toronto

• Skills: API, back-end development, TypeScript, Node.js, PostgreSQL, MongoDB, RESTful API, microservices, unit testing, problem solving
• Experience: At least 6 years of proven experience of back-end and server-side development
• Type: Full-time
• Salary: $180,000 - $240,000 CAD

Toronto

• Skills: API, backend development, RESTful APIs, time management, cloud platforms, data modeling, performance optimization, technical leadership, clean code, mentorship
• Experience: 10+ years of experience in software engineering, with a focus on backend development.
• Salary: $170,000-$202,000 in Denver, $185,000-$219,000 for most remote locations, $199,000-$247,000 for San Francisco, New York

Toronto

• Skills: Software Development, Ruby on Rails, React.js, SQL, data modeling, Git, agile, MVC, HTML/CSS/JavaScript, software architecture
• Experience: 5+ years of Software Development experience

Toronto

• Skills: AI, healthcare, API development, scalable APIs, Ruby on Rails, integrating AI models, machine learning, healthcare communication, automation, workflow
• Experience: 2+ years of experience as a software engineer, ideally in API development.
• Type: Full time
• Salary: $120K – $150K

Toronto

• Skills: Kafka, Flink, Stream processing, Event-driven architecture, distributed computing, microservices, Java, data consistency, cloud infrastructure, observability
• Experience: 3+ years in an Engineering Manager role

Toronto

• Skills: AI, Backend Services, Distributed Systems, Large Language Models, AI-native Platform, Customer Support Automation, Scalability, Docker, Kubernetes, MongoDB
• Experience: 3+ years

Toronto

• Skills: software infrastructure, backend systems, distributed systems, mobile app monetization, ad platform, high-scale systems, performance optimization, low latency systems, header bidding, ad requests
• Experience: Junior level student in Fall 2025 with knowledge of computer science fundamentals and experience with Java, Scala is a plus.

Toronto

• Skills: full stack, backend services, API development, data modeling, systems integration, service architecture, performance, scalability, testing, monitoring
• Experience: 3+ years of software engineering experience
• Type: Full-time

Toronto

• Skills: software engineering, leadership, distributed systems, blockchain, Web3, DeFi, cross-chain, interoperability, remote, engineering
• Experience: At least 6 years in software engineering with 3+ years in leadership
• Type: Full-time

Toronto

• Skills: API development, microservices, Node.js, TypeScript, PostgreSQL, MongoDB, RESTful API, cryptocurrencies, blockchain, scalability
• Experience: At least 3 years of proven experience in back-end and server-side development
• Type: Full-time
• Salary: $180,000 - $220,000 CAD base salary

Toronto

• Skills: distributed systems, microservices, data pipelines, cloud infrastructure, performance optimization, microservices architecture, scalability, reliability, internal tools, collaborative
• Experience: 2-12+ years of professional software development experience

Toronto

• Skills: data ingestion, large-scale backend services, SDKs, real-time ingestion pipelines, analytics systems, microservices, cloud environments, Kubernetes, AWS Kinesis, APIs
• Experience: 2+ years of professional experience in software development and backend services

Toronto

• Skills: manufacturing, AI platform, data models, APIs, scaling, performance, reliability, SQL, PostgreSQL, containerization
• Experience: 3+ years
• Type: Full-time

Toronto

• Skills: developer productivity, asynchronous processing, background jobs, infrastructure, Ruby, Rails, Kafka, Sidekiq, scalable systems, background processing
• Experience: 8+ years of Software Development Experience
• Type: Full-time
• Salary: $160,000 - $220,000 per year (depends on location and experience)

Toronto

• Skills: Java, cloud native, server-side applications, RESTful APIs, Spring Framework, Hibernate, SQL, NoSQL, micro-services, Kafka
• Experience: 5+ years of experience building scalable and reliable server-side cloud native applications
• Type: Full-time

Toronto

• Skills: TypeScript, Node.js, Express, PostgreSQL, MongoDB, RESTful API, microservices, JVM languages, Java, Kotlin
• Type: full_time
• Salary: {'min': 200000.0, 'max': 240000.0, 'period': 'annual', 'currency': 'CAD'}

Toronto

• Skills: backend systems, service availability, scalability, reliability, stream processing, Kafka, Flink, application performance, AWS, geospatial data
• Type: full_time
• Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Toronto

• Skills: Java, Angular, Kafka, Spring Boot, REST API, Security mechanisms, Spring Security, PING, OAuth/OIDC, JWT
• Type: full_time
• Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Toronto

• Skills: Java, Spring Boot, SQL, REST, SOAP, API design, Cloud, Kubernetes, Investment banking, CI/CD
• Type: full_time
• Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}