Senior AWS Serverless & React Engineer

Harnham

Phoenix (AZ)

On-site

USD 120,000 - 145,000

Full time

6 days ago

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Job summary

Harnham is seeking a hands-on senior engineer to design and build scalable AWS serverless backend services powering customer-facing applications and internal systems.

You will own cloud architecture and application development, contribute to Python RESTful APIs, and help shape frontend work with React in an Agile, fast-moving environment.

This role offers high ownership, competitive compensation with base and bonus structures, and opportunities to scale systems at national scale.

Qualifications

4-8+ years of software engineering experience.
Experience with AWS Serverless (Lambda, S3, API Gateway).
Proficiency in Node.js for backend development.
Solid understanding of cloud-native architecture and distributed systems.
Experience in Agile environments with CI/CD pipelines.
Experience building modern front-end applications with React / ReactJS (Nice to have).

Responsibilities

Design and build serverless backend services using AWS Lambda, S3, and related AWS services.
Develop RESTful APIs and event-driven workflows in Python.
Build and enhance modern front-end applications using React / ReactJS.
Architect scalable, secure cloud-native solutions.
Optimize performance, reliability, and cost efficiency in AWS environments.
Participate in CI/CD pipelines and automated deployments.
Collaborate with product, QA, and cross-functional teams to ship high-quality releases.

Skills

Serverless

AWS Lambda

AWS S3

API Gateway

Node.js

Python

React

ReactJS

CI/CD

Distributed systems

Tools