What does an Amazon API Gateway developer do?
An Amazon API Gateway developer builds and manages the entry points for serverless applications on AWS. This specialist configures REST, HTTP, and WebSocket APIs to route client requests to backend services like AWS Lambda. They define security rules, manage deployment stages, and control access through usage plans. The role focuses on creating reliable interfaces that connect external users to internal cloud resources without managing servers.
- Designs and publishes API resources by defining methods, routes, and integration logic for REST or WebSocket protocols. The developer maps incoming requests to specific backend actions, such as triggering a Lambda function or accessing an AWS service, and configures request and response transformations to match application needs.
- Implements authentication and authorization mechanisms to secure API endpoints using IAM policies, Lambda authorizers, or Amazon Cognito user pools. This work involves setting up precise access controls that verify user identity before allowing method invocation, ensuring that only permitted clients can interact with sensitive data or business logic.
- Manages API deployments and stages to separate development, testing, and production environments. The developer creates snapshots of the API configuration and deploys them to specific stages, then updates stage variables to adjust environment-specific settings without changing the underlying API definition, allowing for safe and controlled release cycles.
- Configures operational access controls by creating usage plans and generating API keys for client applications. This process includes setting throttling limits and quota restrictions to protect backend resources from excessive traffic, and it requires attaching these plans to deployed stages to enforce rate limits on a per-key basis.
How to hire an Amazon API Gateway developer on Upwork
Step 1: Post a job
Define your API architecture needs clearly to attract specialists who build secure REST, HTTP, or WebSocket endpoints. The Job Post Generator powered by Uma™, Upwork's Mindful AI drafts a precise post after you describe your requirements in a few sentences. You can write a new post, update a saved draft, or reuse an existing post to start your search.
- Specify whether you need integrations with AWS Lambda functions or other backend services to handle request and response logic.
- List required security configurations, such as IAM policies, Cognito user pools, or custom Lambda authorizers for access control.
- Clarify if the role involves managing usage plans and API keys to throttle traffic and monitor client consumption.
Step 2: Evaluate candidates
Look for portfolios that demonstrate deployed API stages and configured method integrations rather than just theoretical knowledge. Uma runs instant video interviews and builds shortlists with side-by-side comparisons to help you assess technical fit quickly.
- Verify experience deploying snapshots to distinct stages like development and production to support lifecycle management.
- Check for examples of setting up stage variables to manage environment-specific settings for WebSocket APIs.
- Review past work where the freelancer configured API key sources and enforced key requirements on specific methods.
Step 3: Interview your top choices
Discuss how candidates approach API configuration updates and redeployment processes to minimize downtime. Interviews can be scheduled and conducted within Upwork Messages with an immediate transcript and summary after each one.
- Ask how they structure CloudFormation templates to define usage plans and associate API keys automatically.
- Query their process for testing method integrations before pushing changes to a live production stage.
- Explore their strategy for debugging authorization failures when using custom Lambda authorizers or IAM roles.
Step 4: Agree on scope and begin work
Set clear milestones for delivering configured API resources and securing them with appropriate authentication mechanisms. Use Upwork Messages and the contract workroom for communication and project management, plus identity verification, payment protection, hourly tracking, and project funds for security.
- Define deliverables such as fully configured REST or HTTP APIs with documented integration points for backend services.
- Establish acceptance criteria for security setups, including verified access controls via Cognito or IAM policies.
- Agree on a schedule for deploying updates to stages and managing stage variables for different environments.
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