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Top Full Stack Developer Jobs in Toronto

431+ Job Results
3 Days Ago
Toronto, ON
Remote
263 Employees
7+ Years of Experience
263 Employees
7+ Years of Experience
Marketing Tech • Mobile • Software
Senior Backend Engineer role in the Workflows squad at Customer.io, responsible for developing robust services in Go, improving data handling and storage solutions, and collaborating with the product team to enhance customer engagement technology. Preferred qualifications include experience in high scalability and reliability industries and expertise in asynchronous task systems and real-time data processing.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+40 More
4 Days Ago
Toronto, ON
Remote
1,213 Employees
7+ Years of Experience
1,213 Employees
7+ Years of Experience
Information Technology • Mobile • Consulting
As a Backend Staff Engineer at Yassir, you will drive technical standards, provide leadership, mentor junior developers, and contribute to scaling up Backend engineers. Responsibilities include designing, building, and maintaining features, managing dependencies, conducting design and code reviews, and participating in architecture discussions. The role also involves conducting technical interviews and improving engineering standards and processes. Must have at least 10 years of experience in backend engineering with NodeJS, strong programming fundamentals, excellent communication skills, and experience with Git and testable code.
2 Days Ago
Toronto, ON
80 Employees
5-7 Years of Experience
80 Employees
5-7 Years of Experience
Food • Software
Design and develop new features for healthcare foodservice management software, maintain existing applications, write reliable code, integrate data storage solutions, write and run unit tests, present new ideas
2 Days Ago
Toronto, ON
989 Employees
7+ Years of Experience
989 Employees
7+ Years of Experience
AdTech • Marketing Tech
Senior Developer role at Critical Mass working on BMWUSA.com, focusing on web performance, accessibility, and collaboration with design and UX teams. Mentor other developers, ensure code compatibility, optimize page performance, and work on overall experience quality.
Top Benefits:
401-K
Commuter Benefits
Company Outings
+18 More
3 Days Ago
Toronto, ON
Remote
175 Employees
3-5 Years of Experience
175 Employees
3-5 Years of Experience
Security • Cybersecurity
Backend Engineer role at Abnormal Security, responsible for customer integrations, platform development, and owning specific features and services. Must have 3+ years of experience in Python, Go, and relevant tech stacks. Strong focus on building scalable and customer-centric solutions.
9 Hours Ago
Toronto, ON
Remote
299 Employees
5-7 Years of Experience
299 Employees
5-7 Years of Experience
Big Data • Software
As a Senior Software Engineer I at Affinity, you will be hands-on in developing core areas of the product, collaborate on project scope with product teams, work on technical direction and roadmaps, and drive technical investment within the team.
16 Days Ago
Toronto, ON
74 Employees
1-3 Years of Experience
74 Employees
1-3 Years of Experience
Artificial Intelligence
A Staff Software Engineer role at Voiceflow involves leading complex software development projects, providing strategic direction, overseeing project execution, ensuring high-quality solutions, contributing to system design and implementation, defining system architecture, mentoring engineers, and driving continuous improvement through best practices and emerging technologies.
4 Days Ago
Toronto, ON
Remote
71 Employees
5-7 Years of Experience
71 Employees
5-7 Years of Experience
Insurance • Financial Services
As a Senior Software Engineer (Fullstack) at PolicyMe, you will be responsible for building, architecting, and scaling PolicyMe’s platform to enhance user experiences and contribute to the growth of the company. You will work on key features, technical decision-making, and ensure platform reliability and scalability.

Featured Jobs

6 Days Ago
Toronto, ON
Remote
1,900 Employees
3-5 Years of Experience
1,900 Employees
3-5 Years of Experience
Information Technology • Mobile • News + Entertainment • Social Media
The Ads Measurement Core team at Reddit is seeking a Backend Engineer to build experimentation products for advertisers, focusing on ad spend impact on Reddit. Responsibilities include developing advertiser-facing products, contributing to backend systems, collaborating with cross-functional partners, and ensuring high-quality solutions. Required qualifications include a Bachelor's degree, 3+ years of software engineering experience, backend engineering expertise, and strong communication skills. Nice to have experience in ads or experimentation space and agile development methodologies.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+46 More
5 Days Ago
Toronto, ON
Remote
4,900 Employees
7+ Years of Experience
4,900 Employees
7+ Years of Experience
Fintech • Payments
Seeking a Senior Software Engineer to work on server-side microservice development and architectures using NodeJs, JavaScript, TypeScript, C#, Java, and various cloud technologies. Responsibilities include working on front-end web code, back end services, data stores, and infrastructure systems. The candidate must be experienced in Agile methodologies and possess skills in encryption schemes, modern APIs, and front-end frameworks.
Top Benefits:
401-K
Adoption Assistance
Company Equity
+18 More
7 Days Ago
Toronto, ON
Remote
371 Employees
5-7 Years of Experience
371 Employees
5-7 Years of Experience
AdTech • Marketing Tech
Seeking a Staff Software Engineer to lead the backend engineering team at StackAdapt, a leading programmatic advertising platform. Responsibilities include integrating data, architecting scalable backend systems, providing technical leadership, and solving technical challenges. Requires 5 years of experience in software development in distributed systems and familiarity with adtech or Martech experience.
7 Days Ago
Toronto, ON
Remote
132 Employees
5-7 Years of Experience
132 Employees
5-7 Years of Experience
Fintech • Information Technology
As a Senior Full Stack Engineer at Alpaca, you will be responsible for designing and implementing web applications, working closely with cross-functional teams, delivering high-visibility features, and mentoring junior developers. You will have the opportunity to contribute to the technical strategy of the company and push the boundaries of technology.
7 Days Ago
Toronto, ON
843 Employees
7+ Years of Experience
843 Employees
7+ Years of Experience
Digital Media • Sports
As a Senior Software Developer on the DevEx Acceleration team, you will help design, build, and iterate on the local development experience, focus on backend applications, build internal tools for developers, collaborate in agile/scrum environment, provide mentorship, and more.
2 Days Ago
Toronto, ON
38 Employees
7+ Years of Experience
38 Employees
7+ Years of Experience
Information Technology • Software • Consulting
Join MobSquad as a Senior Software Engineer working remotely with a leading US scale-up. Bring over three years of experience in building user-friendly software, writing production-ready code, and working with back-end frameworks. Must have a degree in Computer Science or a related field and expertise in Python, Java, Django, Flask, Spring, and Node.js.
11 Hours Ago
Toronto, ON
Remote
18 Employees
5-7 Years of Experience
18 Employees
5-7 Years of Experience
Software
Senior Software Engineer at Dagger responsible for building the core platform using Go programming language, collaborating with teams and clients, mentoring team members, and contributing to open source projects. Benefits include health & wellness coverage, professional development opportunities, remote work culture, and equity in the company. Embraces diversity and inclusion in the workplace.
4 Days Ago
Toronto, ON
338 Employees
5-7 Years of Experience
338 Employees
5-7 Years of Experience
HR Tech • Software
Design, build, and implement software solutions for the Homebase software platform. Contribute to product engineering, software architecture, and mentor junior engineers. Work in a dynamic, innovative environment.
10 Days Ago
Toronto, ON
Remote
5-7 Years of Experience
5-7 Years of Experience
Software
Collaborate with cross-functional teams to design and develop features that enhance user experience, optimize conversion and retention rates, and ensure software scalability and reliability. Drive continuous improvement to deliver a seamless and positive user journey. Responsibilities include meeting with teams to define project scope, designing scalable applications, developing internal software tools, and troubleshooting bugs. Requires 5+ years of full stack development experience.
Yesterday
Toronto, ON
Hybrid
1,834 Employees
5-7 Years of Experience
1,834 Employees
5-7 Years of Experience
Fintech • Software
Join Carta as a Senior Software Engineer I to contribute to building customer-facing enterprise tools, creating data pipelines, reinforcing service resiliency, integrating with third-party vendors, and refactoring existing features. Work with a passionate engineering team to define and implement Carta's next generation of products and platforms.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+46 More
6 Days Ago
Toronto, ON
Remote
210 Employees
7+ Years of Experience
210 Employees
7+ Years of Experience
Software
Senior Software Developer role at Orium involving building digital products for enterprise clients, collaborating in Agile teams, and staying updated with emerging technologies. Responsibilities include Drupal-based solutions, web services, and headless CMS architectures. Requires 7+ years of Drupal developer experience and proficiency in backend and front-end technologies.
9 Days Ago
Toronto, ON
Remote
101 Employees
3-5 Years of Experience
101 Employees
3-5 Years of Experience
Artificial Intelligence • Sales
Looking for a Fullstack Software Engineer to design, develop, and maintain web applications using Go, Kafka, PostgreSQL, Remix, and TypeScript. Responsible for all levels of the technology stack and collaborating with a team in a fast-paced startup environment.
9 Hours Ago
Toronto, ON
13 Employees
7+ Years of Experience
13 Employees
7+ Years of Experience
Information Technology • Professional Services • Consulting
Senior Software Developer role with extensive experience in Siebel technical configuration, design, development, and integration. Must have at least 10 years of experience with Siebel technology and related tools. Position is currently labeled as Hybrid but will be remote due to COVID-19. Requires advanced skills in Siebel IP18, Assignment Manager, Business Rules, Workflow, and more.
5 Days Ago
Toronto, ON
Remote
4,900 Employees
5-7 Years of Experience
4,900 Employees
5-7 Years of Experience
Fintech • Payments
Senior Software Developer role with primary responsibilities in solving current problems, planning, designing, and testing software systems. The role involves evaluating and responding to customer needs, maintaining application architecture, and collaborating with cross-functional teams. Requires strong technical experience in web technologies, .NET, C#, and Agile processes.
Top Benefits:
401-K
Adoption Assistance
Company Equity
+18 More
An Hour Ago
Toronto, ON
Remote
404 Employees
7+ Years of Experience
404 Employees
7+ Years of Experience
Software
Looking for a Senior Staff Software Developer to be a Technical Leader for the Billing Group at Jane, a remote-first company. Responsibilities include defining strategic goals, leading the Group Architecture Team, and fostering technical excellence. Must have expertise in Java, Python, and JavaScript.
10 Days Ago
Toronto, ON
2,264 Employees
3-5 Years of Experience
2,264 Employees
3-5 Years of Experience
Sales • Software
Looking for a Mid-Level Software Engineer with a focus on backend development to join the Chorus Engagement team at ZoomInfo. Responsibilities include designing and creating solutions for a reliable, scalable software platform, collaborating with team members, and maintaining a codebase that supports the business scale. Required qualifications include industry experience, proficiency in Python, Java, or Node.js, backend development experience, and familiarity with various technologies.
Top Benefits:
401-K
Company Outings
Dental Insurance
+10 More
4 Days Ago
Toronto, ON
Remote
1,213 Employees
7+ Years of Experience
1,213 Employees
7+ Years of Experience
Information Technology • Mobile • Consulting
As a Senior Backend Engineer (Nodejs) at Yassir, you will drive the technical standards for the Backend across the consumer domain, lead tech roadmaps, architecture decisions, and feature development. You will mentor junior developers, contribute to scaling up Backend engineers, and conduct technical interviews. Your responsibilities include designing, building, and maintaining features, providing technical leadership, conducting design and code reviews, and improving engineering standards and processes. Must have at least 10 years of backend engineering experience with NodeJS, strong programming fundamentals, excellent communication skills, and experience in on-demand services space. Strong knowledge of React and NodeJS is required.
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