java backend engineer jobs in Montreal

Build secure Java platforms in Montreal with Spring Boot expertise and a hybrid schedule requiring three onsite days weekly. Strengthen enterprise reliability.This Software Engineer position focuses on platform security and modernization for enterprise applications and file transfer platforms. You will develop with Java, Spring Boot, and REST APIs while...

Senior Software Engineer (Full-Time, Remote) — Canada Work Schedule: 9:00 AM - 5:00 PM PSTAbout the role At AutoScale Ventures, we build large-scale systems behind products like VinAudit.ca (vehicle history and data) and SquidProxies.com (proxy infrastructure). We're looking for a Senior Software Engineer to design, build, and evolve the backend systems...

Build backend foundations for MaintainX’s internal developer platform using Node.js, TypeScript, GraphQL, and distributed systems expertise. Work alongside platform and product teams. As a senior backend engineer, you will develop an internal platform serving more than 150 developers. The work focuses on reducing manual steps, enabling golden paths, and...

Atlassians can choose where they work – whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity. To help our teams work together effectively, this role is fully remote but requires...

Lead backend observability architecture remotely from Canada, using distributed systems expertise to improve telemetry reliability, performance, and cost.Affirm seeks a Staff Software Engineer as Observability’s technical lead. You will remain hands-on while defining strategy, mentoring six engineers, and partnering with infrastructure and product teams....

Shape GitLab’s vulnerability management backend remotely, using Ruby on Rails and PostgreSQL to support security data ingestion and reporting systems.This Intermediate Software Engineer joins a fullstack Vulnerability Management team serving GitLab Ultimate customers. You will build systems that help customers triage, prioritize, and act on...

Direct message the job poster from Scribd, Inc. About The Company At Scribd (pronounced “scribbed”), our mission is to spark human curiosity. Join our team as we create a world of stories and knowledge, democratize the exchange of ideas and information, and empower collective expertise through our four products: Everand, Scribd, Slideshare, and Fable. We...

Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $3B in revenue in our last fiscal year with extensive growth potential ahead. At the heart of Veeva are our values: Do the Right Thing, Customer...

Shape the future of data streaming as a Backend Software Engineer on Camunda’s innovative Data Streaming team. Embrace a fully remote role focusing on building scalable process data architectures. In this Senior position, you will revolutionize how Camunda handles process data, moving analytics off the live engine's critical path. Collaborate closely with...

Direct message the job poster from CopperCopper isn’t just another CRM. Most CRMs are glorified databases with legions of custom fields that attempt to make business processes repetitive. But just as no two people are identical, neither are most sales processes. Copper takes a human and action-centered approach by building tools that teams love and adopt...

Build Ruby backend features remotely in Canada for GitLab, using APIs, databases, testing, and AI coding tools daily. Own delivery with autonomy.As an Intermediate Backend Engineer, you will clarify problems, design solutions, and ship production improvements. You will work with Ruby/Rails, Go, or another modern backend language. Collaboration spans Product...

Join Kaseya as a Platform Backend Engineer to innovate our core services using Go or Rust. Focus on event-driven systems and multi-tenant security in a dynamic environment. In this hands-on role, you’ll design backend services like API gateways and event routing while ensuring production reliability. Ideal candidates will utilize their experience in...

Location: Remote — USA, Canada, or London, UKEngagement: Full-time / Long-term projectCompensation: $160K–$240K annually+ meaningful equitySeniority: Senior / Staff About the Project We are looking for a Senior/Staff Software Engineer to join a rapidly growing technology company building infrastructure for AI-powered voice agents. The product helps...

Drive impactful backend solutions as a Senior Backend Engineer with Affim in Canada. Utilize your expertise in Python or Kotlin to innovate and enhance consumer experiences. At Affim, we are constructing an advanced advertising platform and a top-tier shopping destination. As a Senior Backend Engineer, you'll set the technical strategy for your team while...

Shape Model Vault’s backend architecture with distributed systems and security expertise while building core platform services at Cohere. Solve foundational problems where reliability and performance matter.As a highly experienced Back-End Software Engineer, you will evolve Cohere’s inference platform for secure enterprise-scale model deployment. You...

Apply backend engineering and modular software skills to evaluate AI agents remotely through flexible freelance work with Outlier.Outlier collaborates with leading AI organizations to train large language models. This freelance opportunity suits engineers with at least two years of backend, AI automation, or complex systems integration experience....

Earn Up To $50/hr as an OpenClaw Agent BuilderShape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments.Trusted by 10,000+ software engineers worldwideMIN EXP REQUIRED2+ yearsPAY RATEUp to $50 USD/hrEarn Up To $50 USD/hr— Plus Additional IncentivesRates vary based on expertise and project requirements. Paid...

Build backend capacity models at Affim using Python or Kotlin, working remotely from eligible Canadian provinces to prepare for peak traffic.As a Senior Software Engineer on the Capacity Modeling team, you will translate demand forecasts into testable plans. You will map checkout volume, app opens, and batch activity to CPU, memory, and connection needs....

5+ Years hands-on experience with Core-Java (server-side), Spring, RDBMSExperience with distributed data processing pipelines using Apache Spark, Python, and other tools and languagesStrong object-oriented design and development skills, data-structures and algorithms, and design patternsA good understanding of how to build multi-threaded applications and...

Senior Backend Engineer (AWS) As a Senior Backend Engineer at Lumenalta, you will design and implement robust backend systems, ensuring our applications are secure, scalable, and efficient. You will be responsible for working closely with DevOps and frontend teams to deliver high-performance applications that leverage AWS cloud services and Kubernetes. Your...