Name: AWS Lambda
Rating: 4.7 (980 reviews)

Overview

Product Information on AWS Lambda

Updated 13th October 2025

What is AWS Lambda?

AWS Lambda is a cloud-based software that enables users to run code in response to events without provisioning or managing servers. The software automatically manages compute resources and implements triggers based on events such as HTTP requests or file uploads. AWS Lambda supports multiple programming languages, including Python, Node.js, and Java, and integrates with various AWS services to automate workflows and build serverless applications. The software scales automatically based on demand, charges only for compute time consumed, and offers monitoring and logging through AWS CloudWatch. The primary business problem addressed by AWS Lambda is reducing infrastructure management overhead while allowing organizations to focus on application logic and event-driven processes.

Overall experience with AWS Lambda

SENIOR SECURITY ENGINEER

30B + USD, IT Services

FAVORABLE

“Highly scalable serverless platform that accelerates delivery, but requires strong governance at scale.”

5.0

Apr 22, 2026

AWS Lambda has been a key enabler for building scalable, event-driven services without the overhead of managing infrastructure. It integrates seamlessly into the wider AWS ecosystem, allowing us to move quickly, automate workflows, and focus on delivering value rather than maintaining servers. Reliability and scalability have been consistently strong.

Director of IT

<50M USD, Software

CRITICAL

“AWS Infrastructure Setup Simplifies Management But Presents Higher Costs and Challenges”

3.0

Apr 22, 2026

Great to have infra sorted by aws, but lots of learning required to get it to work, plus more pricey than expected

About Company

Company Description

Amazon Web Services (AWS), established in 2006, is focused on providing essential infrastructure services to businesses globally in the form of cloud computing. The key advantage offered through cloud computing, particularly via AWS, is its capacity to shift fixed infrastructure expenses into flexible costs. Businesses have been able to forgo extensive planning and procurement of servers and other Information Technology (IT) resources, owing to AWS. AWS seeks to provide businesses with prompt and cost-effective access to resources using Amazon's expertise and economies of scale, as and when their business requires. Currently, AWS offers a robust, scalable, economic infrastructure platform on the cloud powering an extensive array of businesses worldwide. It operates across numerous industries with data center locations in various parts of the globe including U.S., Europe, Singapore, and Japan.

Company Details

Company type

Public

Year Founded

2006

Head office location

Seattle, United States

Number of employees

10001+

Website

http://aws.amazon.com

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Reviewer Insights for: AWS Lambda

Deciding Factors: AWS Lambda Vs. Market Average

Performance of AWS Lambda Across Market Features

AWS Lambda Likes & Dislikes

The biggest strength is its true serverless model no infrastructure management, automatic scaling, and tight integration with services like S3, API Gateway, CloudWatch, and IAM. Its particularly powerful for: Event-driven automation Lightweight APIs Security and operational workflows From a security engineering perspective, the ability to integrate with IAM and trigger functions based on events makes it extremely effective for automation and response use cases.

handles infra

What I like most about Amazon Lambda is how it removes the need to manage servers entirely. You can focus purely on writing code while it automatically handles scaling, availability, and execution, which makes building and deploying applications much faster and more efficient.

Cold starts can still be a challenge for latency-sensitive workloads, especially in less frequently used functions. Debugging and observability can also be fragmented without additional tooling, and managing permissions (IAM roles/policies) can become complex at scale.

lots of gotchas, and more expensive than expected

If we could start over with Amazon Lambda, we would invest more time upfront in designing our architecture specifically for serverless. That means setting clearer boundaries between functions, improving observability (logging and monitoring) from day one, and planning for cost optimization early. Wed also put stronger emphasis on managing cold starts and dependency sizes to avoid performance issues later on.

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Peer Discussions

AWS Lambda Reviews and Ratings

Recommended Gartner Insights

Market Guide for Application Platforms (Transitioning to Cloud-Native Application Protection Platforms)

10B+ USD

IT Services

Review Source

Highly scalable serverless platform that accelerates delivery, but requires strong governance at scale.

Engineer

<50M USD

Finance (non-banking)

Amazon Lambda Enables Serverless Solutions Without Manual Server Management

this is a great thing which allow users to implement serverless solutions

Software Developer

50M-1B USD

Software

Once wrangled and understood, an invaluable tool for scaling.

4.0

Lambda has some quirks that serve as gotchas for new developers, and it tends to be fiddly to deduce typing for ingress. This often has more to do with Cloudfront. However, when over those hurdles, it is a big value unlock.

Gov't/PS/Ed

Government

Minimal Infrastructure Enables Rapid Event Driven System Development With Lambda

Lambda provides a way to write useful automations, either by exposing functions as webhooks or reacting to events within an AWS estate. Given the simple nature of deploying, it proivdes a way to quickly prototype and iterate on ideas.

ENGINEER

Banking

AWS Lambda: Powerful Serverless Computing with Minor Performance and Operational Trade-Offs

Jan 30, 2026

AWS Lambda is based on serverless architecture and has excellent scalability, cost efficiency and seamless integration with other AWS services/products but cold starts can occasionally cause issues with the performance.