What is a SaaS?

A SaaS is software you use through a web browser instead of installing it on your computer. You pay a monthly fee and the company takes care of everything else.

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What is a SaaS?

Web Dev & SaaS gneurone encyclopedia
A SaaS is software you use through a web browser instead of installing it on your computer. You pay a monthly fee and the company takes care of everything else.

definition

SaaS stands for Software as a Service. It delivers applications over the internet so users access them via a browser without downloading or installing anything locally.

The provider hosts the software, manages updates, security and data storage. Customers simply log in and use the tool, usually paying a recurring subscription.

Common examples include Google Workspace, Salesforce and Slack. This model replaced traditional boxed software that had to be bought once and installed on individual machines.

Using a SaaS is like renting an apartment instead of buying a house: you pay monthly, the landlord handles repairs and upgrades, and you can leave anytime without owning the building.

key takeaways

  • SaaS runs in the cloud and needs no local installation or updates from the user.
  • Access works from any device with an internet connection and a browser.
  • Pricing follows a subscription model rather than a one-time purchase.
  • The provider is responsible for security, backups and feature updates.
  • SaaS products scale easily from solo users to large companies without extra hardware.

the 2026 job market

By 2026 SaaS remains the dominant delivery model for business software, creating steady demand for cloud developers, API engineers, billing specialists and customer success roles across startups and established vendors.

SaaS Software Engineer · $95,000 - $160,000 USD / $85,000 - $140,000 CAD / £60,000 - £95,000 GBPSaaS Product Manager · $110,000 - $170,000 USD / $100,000 - $150,000 CAD / £70,000 - £110,000 GBPCustomer Success Manager (SaaS) · $70,000 - $110,000 USD / $65,000 - $95,000 CAD / £45,000 - £70,000 GBP

frequently asked questions

How does a SaaS company make money?

Most SaaS companies charge a monthly or yearly subscription fee based on features or number of users. Some also offer usage-based pricing or premium tiers with extra support and integrations.

What are common examples of SaaS products?

Widely used examples include email and productivity tools like Gmail, customer relationship platforms like Salesforce, and team chat apps like Slack. Almost any business software now has a SaaS version.

Is SaaS the same as cloud computing?

SaaS is one specific way to deliver software using cloud infrastructure. Cloud computing also includes other models such as infrastructure as a service and platform as a service.

What skills are needed to work in SaaS development?

Core skills include web development with modern frameworks, REST or GraphQL API design, database management, and understanding of subscription billing systems. Knowledge of cloud platforms like AWS or Azure is also valuable.

courses to go further

$ cat ./full-guide.mdIA Stripe GitHub SaaS en pratique : le code et les commandes qui comptent vraimentread the guide →

related terms

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Auteur(s)

R

REHOUMA Haythem

Haythem Rehouma est un ingénieur et architecte IA et cloud, formateur et enseignant technique, avec un profil orienté IA médicale, AWS, MLOps, LLM/RAG et vision par ordinateur.