senior java software engineer jobs in Montreal

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social,...

Senior Software Engineer – Core Java, Apache Spark, Python, Big Data, SQLJob Description – Core Java, Apache Spark, Python We are seeking a highly motivated and experienced Software Engineer with strong expertise in Core Java, Apache Spark, Python, SQL, and Linux to design, develop, and support scalable server-side applications and analytical data...

Motion is building the command center for creative strategists: an AI-native platform that bridges the gap between performance marketers and creative teams, so they can uncover what’s working, what’s not, and ship more winning ads across platforms like YouTube, LinkedIn, Meta, and TikTok. We're at the forefront of AI as the foundation of our product....

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread...

MaintainX, a leading mobile-first work execution platform, seeks a Senior Software Developer to drive compliance and multi-region deployments across single-tenant and multi-tenant environments, beginning with AWS GovCloud. The role blends hands-on development with infrastructure work and cross-team collaboration to ensure reliability and audit readiness. ...

KellyOCG in Montreal is seeking a senior, hands-on software developer to design, build, and maintain business applications. You’ll work across application development and production support, contribute to technical design, and help deliver reliable, secure software from development through deployment. The role requires 12+ years of experience with Java...

he Senior Software Engineer is a technical leader and subject matter expert who combines hands-on software development with team leadership and mentorship. In this role, the successful candidate will guide project execution while supporting the professional growth and technical development of Junior and Intermediate Software Engineers. The Senior Software...

Motion is building an AI-native platform for creative strategists. We are a 75-person remote team with a Montreal hybrid role, focusing on the VM layer and services behind Runneth. You will own core infrastructure, work across Platform, Agent Runtime, and Runneth, and contribute to fast, scalable systems in a hands-on environment. The ideal candidate has...

Our employees are at the heart of everything we do. Together, we help people, businesses, and society prosper in good times and be resilient in bad times. Our employee promise represents Intact's commitment to you in exchange for living our Values, striving to do your best work, being open to change and investing in your career. In return, we promise to...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the...

MaintainX is a leading mobile-first work execution platform for industrial and frontline teams. More than 13,000 customers, including Duracell, McDonald's, Shell, DHL and Volvo, use MaintainX to cut unplanned downtime and run better operations, across 13.9 million managed assets and 79.5 million completed work orders. In August 2026 MaintainX became part of...

Senior Software Engineer II – Machine Learning PlatformWe are seeking a Senior Software Engineer II to design and implement secure, highly scalable, and high‑performance pipelines for the end‑to‑end lifecycle of ML models within SurveyMonkey’s Machine Learning Platform team (MLP). As a key member, you will work at the intersection of Data Science...

We’re looking for a Senior Software Engineer to be the first dedicated developer behind how operators fly, train, and feel drones through haptics. About Haply and the Mission Haply Robotics makes haptic controllers: devices that let you feel what a machine is doing, not only see it. We are now applying this to drones and vehicles, with defense as our...

Abbeal SAS seeks a Senior Full Stack Java/React Developer for a Payments Transformation project with a major bank in Montreal. You will develop Java microservices (Spring Boot), build high‑quality React interfaces, and integrate JMS/IBM MQ/Kafka messaging on an AWS cloud foundation. The role is hybrid in Montreal, with a 12‑month renewable mandate and...

We are seeking a highly skilled and self-motivated Senior Java and Python Developer to automate the deployment of modern trading applications on Kubernetes environments. The ideal candidate will have a strong technical background in cloud-native application design, Kubernetes infrastructure, and containerization technologies. This role requires collaboration...

Développeur(euse) de logiciels sénior, Unity Services Foundation En plus de notre éditeur et de notre moteur, Unity propose diverses solutions pour concevoir des jeux et des expériences 3D enrichies par des données en temps réel. Notre équipe, Unity Services Foundation, joue un rôle essentiel dans cette mission : elle fournit les fonctionnalités...

Software and Hardware Senior Engineering Specialist (SWEL)- Pool Posting When applicable, Bombardier promotes flexible and hybrid work policies. Why join us? At Bombardier, we design, build and maintain the world’s peak-performing aircraft for the world’s most discerning people and businesses, governments and militaries. We have been successful in...

Qualifications 5+ years as Software Developer with proven project track record. Strong knowledge of PHP 8, Laravel 9+, MySQL, React.js 18.2 (or any other frontend framework). Strong knowledge of Golang, Gin - or any other Golang Framework. Experience with HTML/CSS/JS, RESTful APIs, Git. Docker/Kubernetes, AWS (or similar cloud). Solid database design...

About Kinaxis Are you looking to join an innovative, market-leading company where you can truly elevate your career? At Kinaxis we are serious about culture, we are serious about technology, we are serious about customers, and we are serious about not taking ourselves too seriously. If you are looking to be part of an incredible growth story, then we might...

Cloud, DevOps, and infrastructure expertise define this Senior Software Developer role. Build robust solutions across cloud, on-premise, and cloud-native environments. You will design, build, and deliver scalable client software as a senior developer. The work combines backend services, APIs, infrastructure, CI/CD, automation, and operations. You will also...