software engineer fullstack jobs in Montreal

1,000 software engineer fullstack job listings in Canada. Find daily updated positions from leading job boards.


  • Montreal, QC, Canada Invert Full-time $130,000 - $200,000 Contract

    A forward-thinking biotechnology company is seeking a Senior Software Engineer to join their remote-first team. The role involves shipping features and making technical decisions to support scaling efforts. You will collaborate across time zones in a creative environment while mentoring others. Competitive salary and benefits offered, including unlimited PTO...


  • Montreal, QC, Canada OPAL-RT TECHNOLOGIES India Pvt. Ltd. Full-time $90,000 - $120,000 Contract

    English version will followOPAL-RT Technologies est à la recherche d’un Développeur Logiciel Temps Réel C++À Propos D’OPAL-RT TechnologiesLeader mondial dans la diversité des applications, nos outils sont utilisés dans une multitude de secteurs tels que l'automobile, l'aérospatiale, l’énergie, le transport, la fabrication industrielle, etc....


  • Montreal, QC, Canada Branch Inc. Full-time $120,000 - $180,000 Contract

    Branch Inc. is recruiting for a full-time, remote-friendly software engineer to join a small, fast-paced team. You will contribute to an AI-enabled design platform aimed at real-time feedback and seamless optioneering for AEC professionals.You will work across tech stacks, implement end-to-end features, and evolve the underlying architecture while...


  • Montreal, QC, Canada Devconnectplatform Full-time $110,000 - $170,000 Contract

    ## DescriptionCresta unlocks the true potential of the customer experience, turning every conversation into a competitive advantage. Cresta’s unified AI platform combines conversational AI agents, real-time human agent augmentation, and comprehensive conversation intelligence to drive revenue and efficiency gains across every channel. The world’s leading...


  • Montreal, QC, Canada Affirm Full-time $100,000 - $140,000 Contract

    The Partner Merchant Interfaces - Integration team within Decisions Foundations is growing and we are looking for a Software Engineer You will be part of a fast paced team which is responsible for the APIs that Partners and Merchants use to integrate with affirm, and also power some of our top partners like Amazon and Stripe With the support of your team,...


  • Montreal, QC, Canada HeyOrca Full-time $90,000 - $110,000 Contract

    A remote software company is seeking a full-stack Software Developer with React Native experience. In this role, you will develop high-quality software rapidly using modern AI-assisted practices. Key responsibilities include prototyping ideas, converting them into scalable features, and collaborating closely with various teams. Ideal candidates should have...


  • Montreal, QC, Canada HiredBuddy Full-time $50,000 - $70,000 Contract

    Hiredbuddy is seeking an entry-level Java Software Engineer to contribute to the design, development, and maintenance of our core software products. This remote role offers mentorship from senior engineers and a solid foundation for a software career.You will join an agile team, develop Java-based applications, and collaborate with product, design, and QA...


  • Montreal, QC, Canada Affirm Full-time $153,000 - $213,000 Contract

    Senior Software Engineer, Backend (Consumer Authentication Platform)Remote CanadaAt Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.The Consumer Authentication Platform team is looking for a passionate Senior Software Engineer to...


  • Montreal, Quebec, Canada 3Pillar Full-time

    3Pillar is an AI transformation partner on a mission to help enterprises build the AI-native products and intelligent agents that will define the next era of business. With teams across North America, Europe, Latin America, and Asia, we work with the most ambitious companies in financial services, healthcare, media, and technology — helping them move...


  • Montreal, Quebec, Canada Devconnectplatform Full-time

    # Contract Staff Software Engineer – WebCompat & Bug TriageMozillaSalary not statedContractremote· leadCanadajavascriptListed via Jobicy · posted 27 Oct 2026. The application happens there, not on DevConnect.Apply on Jobicy## DescriptionYou will help reduce Firefox's WebCompat bug backlog by finishing or verifying the diagnosis of the long tail of...


  • Montreal, QC, Canada InceptionAi Inc. Full-time $90,000 - $130,000 Contract

    Develop and implement front and back-end software applicationsDesign software system architectureHigh-level programming, performance testing, and system integrationDesign and build infrastructure tailored to enterprise-level data handling and customer interactionOvercome scalability and cost challenges in data-intensive applicationsParticipate in rotating...


  • Montreal (administrative region), QC, Canada LE140 Unity Technologies Canada Company Full-time $110,000 - $165,000 Contract

    L’opportunité Unity construit la plateforme de création de jeux de nouvelle génération, changeant la manière dont les jeux seront construits au cours des cinq prochaines années. Rejoignez-nous et aidez à créer un produit qui permettra aux développeurs de jeux de donner vie à leurs idées d’une manière entièrement nouvelle.The opportunity...


  • Montreal (administrative region), QC, Canada Kake Remote Full-time $185,000 - $256,000 Contract

    We’re looking for a Senior SEO/GEO Software Engineer to build the systems and tools that help our websites get crawled, rendered, indexed and surfaced by both traditional search engines and AI-powered answer engines. This is a hands-on engineering role focused on technical SEO, site performance and automation. You’ll fix the technical foundations of our...


  • Montreal (administrative region), QC, Canada Linuxassociation Full-time $78,000 - $130,000 Contract

    Develop cutting-edge Python solutions at Elite Quant's Montreal hybrid office as a Junior Software Engineer. Collaborate with traders and quants to create high-performance systems for real-time applications. This position focuses on building scalable Python tools critical for risk management and pricing. You will engage directly with quants and traders to...


  • Montreal, Quebec, Canada Randstad Enterprise Full-time

    Job Title: Senior Java Developer Consultant Role JOB DESCRIPTION The Payments and Cash Management Technology department partners with Cash Management Operations, Corporate Treasury and lines of business groups across the globe to provide best in class technology solutions that facilitate the movement of billions of dollars daily. We have a culture of...


  • Montreal, QC, Canada SITA Full-time $110,000 - $150,000 Contract

    SITA in Montreal is seeking a Senior Full Stack Software Developer to lead technical design, development, and maintenance of applications for our telecom configuration system. You will work across platforms, applying DevOps practices to deploy and support production systems.The role emphasizes solving complex problems with Java/J2EE, Spring, REST/SOAP, and...


  • Montreal, QC, Canada TRX Full-time $80,000 - $100,000 Contract

    A leading technology firm is seeking a Software Developer to design and maintain software for nuclear systems in Canada. The ideal candidate has a Bachelor’s degree in Computer Science or a related field and at least 3 years of experience in software development. Responsibilities include developing software for reactor control, collaborating with...


  • Montreal, QC, Canada Turing Full-time $115,000 - $229,000 Contract

    Embrace an exciting challenge as a Software Engineer specializing in AI. Collaborate with teams in a remote setting to elevate AI code quality and efficiency. You will be responsible for applying your extensive software engineering knowledge, comprising over five years of experience, to refine AI-generated code. The role requires working closely with...


  • Montreal, QC, Canada Turing Full-time $80,000 - $100,000 Contract

    Join a pioneering team as a Software Engineer dedicated to advancing AI capabilities. Your role will focus on enhancing code efficiency and driving quality through innovative solutions in a remote setup. You’ll be tasked with evaluating AI-generated code, collaborating with various teams to establish benchmarks, and hypothesizing on the software...


  • Montreal, QC, Canada Lyft Full-time $47,000 - $50,000 Contract

    At the company, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive.** As a Test Automation Intern at the company, you'll collaborate closely with industry-leading engineers while enjoying the freedom to innovate from day one. Your contributions will be...