Custom Software Development Montreal

Enterprise-grade software built with modern technologies. SaaS platforms, APIs, and cloud solutions designed for scale.

Off-the-shelf software rarely fits perfectly. When your business processes are unique, when you need specific integrations, or when existing tools limit your growth — custom software development is the answer. LIAWEB builds software that fits your business like a glove.

Based in Montreal, our development team specializes in modern full-stack development using TypeScript, React, Node.js, Python, and cloud-native architectures. We have built SaaS platforms serving thousands of users, internal tools that save companies hundreds of hours per month, and API layers that connect disparate systems into cohesive workflows.

Every project starts with a thorough discovery phase. We understand your business goals, map your workflows, and architect a solution that is both technically sound and economically viable. Then we build it iteratively — delivering working software every two weeks so you can see progress and provide feedback throughout.

Software Development Services

SaaS Platform Development

End-to-end SaaS development: multi-tenant architecture, subscription billing (Stripe), role-based access control, admin dashboards, API design, and scalable cloud infrastructure. From MVP to enterprise scale.

Enterprise Applications

Custom internal tools, CRM systems, ERP integrations, workflow automation, and data management platforms. Built to handle your specific business processes with security and scalability in mind.

API & Integration Development

RESTful and GraphQL APIs, third-party integrations (Salesforce, HubSpot, Shopify, QuickBooks), webhooks, data pipelines, and microservices architecture. We connect your systems seamlessly.

Cloud & DevOps

AWS, GCP, and Azure deployments. CI/CD pipelines, Docker containerization, Kubernetes orchestration, monitoring, and security hardening. Your software runs reliably at any scale.

Our Technology Stack

  • Frontend: React, Next.js 14+, TypeScript, Tailwind CSS
  • Backend: Node.js, Python, FastAPI, Express, tRPC
  • Database: PostgreSQL, MongoDB, Redis, Supabase, Firebase
  • Cloud: AWS, GCP, Vercel, Docker, Kubernetes
  • AI/ML: OpenAI, Anthropic Claude, LangChain, custom RAG pipelines

Frequently Asked Questions

Custom software development in Montreal typically costs $25,000-$250,000+ depending on complexity. A simple internal tool costs $25,000-$50,000. A mid-complexity web application costs $50,000-$120,000. A full SaaS platform costs $120,000-$250,000+.
Custom software development typically takes 3-12 months. An MVP can be delivered in 2-3 months. A full-featured application takes 4-8 months. LIAWEB uses agile development with 2-week sprints.
Yes. SaaS development is one of LIAWEB's specialties. We build multi-tenant SaaS platforms with subscription billing (Stripe), role-based access control, admin dashboards, and scalable cloud infrastructure.
LIAWEB follows an agile methodology: Discovery, Design, Development (iterative sprints with biweekly demos), Testing and QA, Deployment, and ongoing Support.

Related Services

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Build Your Custom Software

Tell us about your project. We will provide a detailed technical proposal, architecture recommendation, and transparent quote within 48 hours.

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