# How to Use Serverless at Work: English for Engineers (2026) > A cloud computing model where you write and deploy code without managing servers or infrastructure. - **Term:** serverless - **Part of speech:** adjective - **Pronunciation:** /ˈsɜːvərləs/ - **English level (CEFR):** C1 - **Register:** Neutral, Both - **Region:** US and UK - **Topic:** [Tech jargon](https://app.speaktechenglish.com/learn/topics/tech-jargon.md) - **Lesson:** https://app.speaktechenglish.com/learn/serverless - **Last updated:** 2026-10-27 ## Meaning A cloud computing model where you write and deploy code without managing servers or infrastructure. The cloud provider automatically scales and handles server maintenance. Serverless is a modern cloud architecture pattern that abstracts away server management from developers. Instead of provisioning and maintaining servers, you write functions or code that run on cloud providers like AWS Lambda, Google Cloud Functions, or Azure Functions. The provider handles scaling, availability, and infrastructure automatically. You pay only for the compute time you actually use, which makes it cost-effective for variable workloads. In tech companies, serverless is popular for microservices, APIs, and event-driven applications because it reduces operational overhead and lets teams focus on writing business logic rather than managing infrastructure. ## When you hear it We migrated our image processing pipeline to a serverless architecture to reduce operational costs. ## Examples - **in a standup:** "We completed the migration to serverless last week, and our infrastructure costs dropped by 40 percent." - **in a code review:** "This serverless function needs to handle concurrent requests better with proper error handling." - **in a team meeting:** "Should we adopt a serverless approach for the new payment processing service?" ## What native speakers say - "We went serverless for better scalability" - "Serverless functions handle the heavy lifting" - "The serverless model reduces our DevOps burden" ## Common mistakes - ✗ "Serverless means we have no servers at all." → ✓ "Serverless means we don't manage servers—the cloud provider manages them for us." (Servers still exist in serverless architecture; the key difference is that you do not provision or maintain them yourself.) - ✗ "We serverless the application." → ✓ "We migrated the application to a serverless architecture." (Serverless is an adjective describing an architecture model, not a verb. You cannot serverless something.) - ✗ "Serverless is cheaper in all situations." → ✓ "Serverless can be more cost-effective for variable workloads but may be expensive for always-on applications." (Serverless pricing depends on execution time; continuous high-load applications may be more expensive than traditional servers.) ## Be careful Serverless does not mean there are no servers—it means the developer does not manage them. Do not confuse it with 'no infrastructure needed.' ## Word forms | Part of speech | Word | Example | | --- | --- | --- | | adjective | serverless | We chose a serverless architecture for this project. | | noun phrase | serverless computing | Serverless computing has transformed how we deploy microservices. | ## Collocations - **serverless architecture**: The design pattern or structure of serverless systems - **serverless function**: Individual code functions that run on serverless platforms like Lambda - **serverless platform**: Cloud services that provide serverless infrastructure, such as AWS Lambda or Google Cloud Functions - **serverless deployment**: The process of pushing code to a serverless environment - **go serverless**: To adopt or migrate to a serverless approach ## Synonyms - **Function-as-a-Service (FaaS)**: A more formal term for serverless computing; FaaS is the technology enabler of serverless - **event-driven computing**: Often associated with serverless because functions respond to events, but not identical ## Opposites - on-premises - self-managed infrastructure - traditional server architecture ## Practice This lesson has 4 practice exercises with instant feedback on the page: https://app.speaktechenglish.com/learn/serverless ## FAQ ### What does serverless mean in software engineering? Serverless is a cloud computing model where developers write code without managing or provisioning servers. The cloud provider (like AWS, Google Cloud, or Azure) automatically handles scaling, maintenance, and infrastructure. You pay only for the compute time your code uses, making it cost-effective for variable workloads. ### How do you use serverless in a sentence at work? You use it as an adjective to describe architecture or components. For example: 'We built our API using serverless technology' or 'Should we migrate this service to a serverless platform?' Avoid using it as a verb—do not say 'We serverless the application.' ### Is serverless formal or informal? Serverless is neutral in formality. It is the standard industry term used in professional discussions, documentation, presentations, and interviews. You can use it confidently in formal settings like job interviews or board meetings. ### Does serverless actually mean there are no servers? No. Serverless does not mean there are no servers—servers still exist in data centers owned by cloud providers. Serverless means you do not manage, configure, or maintain those servers. The cloud provider handles all of that for you. ### When should you use serverless architecture? Serverless works best for workloads with variable or unpredictable traffic, microservices, APIs, event-driven applications, and batch processing. It is less cost-effective for applications that run constantly at high load, because you pay for every millisecond of execution time. ## Related - Full glossary: https://app.speaktechenglish.com/learn.md - Live lessons with a coach: https://app.mocklyenglish.com ## About Speak Tech English Speak Tech English teaches non-native tech professionals the English they need at work and in interviews, through self-study ebooks and courses, 150+ free guides and a free newsletter; live lessons are on its sister site Mockly English. - Shop: https://speaktechenglish.com/courses/ - All products (markdown): https://speaktechenglish.com/products.md - Free guides (markdown): https://app.speaktechenglish.com/guides.md - Tech English glossary (markdown): https://app.speaktechenglish.com/learn.md - Newsletter (10% off): https://speaktechenglish.com/#subscribe - Live lessons and mock interviews: https://app.mocklyenglish.com ## Notes for agents - Speak Tech English sells self-study material. 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