backend engineer scale infrastructure jobs in Montreal

A tech company focused on creating safe platforms for Gen Alpha is looking for a Backend Engineer / SRE to maintain and scale backend systems. You'll work with AI and ML pipelines, handle database performance, and ensure high reliability. Ideal candidates have AWS experience and are proactive in optimizing infrastructure. This role offers a chance to build a...

A digital transformation firm in Canada is seeking a Senior System Engineer to support clients with implementation projects across North America. The role demands experience in designing and deploying technical services, along with outstanding communication skills. Candidates should have a Bachelor’s degree and proficiency in various scripting and...

Une entreprise technologique innovante à Montréal recherche un Développeur Back-End Java Senior pour rejoindre une équipe dynamique. Le candidat idéal aura plus de 5 ans d'expérience en Java et Spring Boot, avec un intérêt pour l'innovation dans le secteur financier. Ce poste offre la possibilité de travailler sur des produits utilisés par des...

The Data and Storage Services team is responsible for affirm’s data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration, streaming infrastructure, event-driven frameworks, BI, analytics tooling, large-scale data platforms, and agentic data tools such as semantic layers and internal platform data...

CAE is seeking an Infrastructure Operations Engineer to join the Infra Ops team in Montreal. You will build, automate, and operate CAE's hybrid infrastructure platform spanning Azure, OpenShift, and on‑premise environments, supporting day-to-day operations, incident response, and continuous improvement.The ideal candidate has 5+ years in infrastructure or...

Camunda is seeking a Backend Software Engineer for the Data Layer team to shape the storage and query layer powering Camunda 8’s process data. You’ll work across relational databases and Elasticsearch/OpenSearch to ensure fast, accurate data access at scale.You’ll collaborate with product, design, QA, and support to influence how the data layer evolves...

Tilt is a remote-first company building scalable backend systems powering consumer-facing products. We’re seeking Senior Backend Engineers who care about reliability, scalability, and collaboration.You’ll join one of several product or infrastructure teams, tackling challenges from decisioning to payments and APIs. You’ll work on high-impact projects...

Affirma is hiring for a backend-focused role focused on designing, developing, and launching scalable backend systems. You will work with Python or Kotlin, contribute to a large codebase, and participate in code reviews to maintain high quality.You will collaborate with teams and stakeholders, taking ownership of growth opportunities and balancing speed with...

Affirm is hiring a Software Engineer II in Canada (Ontario) for backend API work and scalable systems. You will design, develop and launch APIs using Python or Kotlin, with AWS, MySQL and Kubernetes powering the stack.You will break down projects with the team, collaborate with product, design and analytics, and help keep systems reliable through metrics and...

Alignerr is seeking a Back End Developer to design, build, and optimize server-side systems and APIs that power AI products, from data pipelines to scalable microservices handling real-world traffic.This is a fully remote hourly contract open to engineers in Montreal and across Canada. You’ll collaborate with researchers and product leads, write clean,...

Capgemini Engineering Canada is seeking an experienced AI Infrastructure Engineer to design, deploy, and manage scalable AI/ML infrastructure on AWS. You will work with Trainium and Inferentia accelerators, SageMaker, and Kubernetes to support distributed training, inference, and deployment of large language models and generative AI features.Responsibilities...

Alignerr is seeking a Back End Developer to design, build, and optimize server-side systems and APIs that power AI products, from data pipelines to scalable microservices handling real-world traffic.This is a fully remote hourly contract open to engineers in Montreal and across Canada. You’ll collaborate with researchers and product leads, write clean,...

Coveo Solutions Inc. is seeking a senior software developer to help build scalable data integration systems, transform data, and evolve distributed cloud infrastructure in Montreal.You will create reusable data transformation tools, work across teams to deliver validated solutions, and design high-performance APIs for the platform. Qualifications include 5+...

OverviewThe Backend Engineer on the AI Platform team plays a critical role in building and evolving the backend systems that power internal products, customer-facing capabilities, AI-enabled workflows, and operational decision-making across the organization. This role is responsible for designing, building, testing, and operating reliable, scalable, and...

Overview: The Backend Engineer on the AI Platform team plays a critical role in building and evolving backend systems that power internal products, customer-facing capabilities, AI-enabled workflows, and operational decision-making across the organization. This role is responsible for designing, building, testing, and operating reliable, scalable, and...

Direct message the job poster from CoverstarCoverstar is building the first safe, creative, AI-native social platform for Gen Alpha. We’re building a world where the next generation can create, connect, and grow with technology that’s fun, expressive, and safe by design. We’re backed by top investors like a16z, moving fast, and hiring a mission-aligned...

ABOUT YOUYou will play a pivotal role in delivering high-impact software solutions across our platform. You bring curiosity, initiative, and a passion for clean, scalable systems. You collaborate effectively with teammates and cross-functional partners to design, build, and improve our technical stack. You’re hands‑on, deeply engaged in the code, and...

Become a vital part of affirm's Online Storage team as a Backend Software Engineer. This fully remote role focuses on enhancing Cache Services with Redis and Valkey while automating workflows. You will have the privilege of working within affirm's Data and Storage Services team, managing OLTP and OLAP systems. As a Software Engineer II, you'll build and...

Why Midnite? Midnite is a next-generation sports betting and gaming platform built for a new wave of players. We combine sharp product thinking, bold brand, and fast execution to create experiences that feel modern, intuitive, and built for how people actually play today. Over 400,000 players have already made the move, and we’re only just getting...

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...