Senior Full Stack Engineer (Backend)

Harnham; Phoenix (AZ); Hybrid; USD 120,000 - 145,000; Full time

Benefits offered by this job

Hybrid work model

Bonuses

Benefits

Job summary

Harnham in Tempe, AZ, is seeking a Senior Software Engineer with a backend focus to design and build scalable serverless services in AWS and RESTful APIs in Python. You will own cloud architecture and contribute to frontend work using React, with strong collaboration across product and QA in an Agile setting.

The role emphasizes hands-on ownership, modern DevOps practices, and opportunities to impact systems powering leasing, payments, and internal tools at scale.

Qualifications

• 4-8+ years of software engineering experience.
• Strong hands-on experience with AWS Serverless (Lambda, S3, API Gateway).
• Proficiency in Nodejs for backend development.
• Solid understanding of cloud-native architecture and distributed systems.
• Experience working 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

AWS Serverless

Node.js

Cloud-native architecture

Agile with CI/CD

React/ReactJS (Nice to have)

Tools

AWS Lambda

Amazon S3

API Gateway

Job description

SENIOR SOFTWARE ENGINEER - BACKEND FOCUS

TEMPE, AZ (HYBRID)

$120,000 - $145,000 BASE + BONUS + BENEFITS

The Opportunity

This role sits at the center of a fast-moving engineering team responsible for powering customer-facing applications (leasing, payments, maintenance) and internal systems. You'll design and build scalable, serverless backend services in AWS while contributing to modern React-based front-end applications.

This is a hands-on senior IC role with strong ownership across cloud architecture and application development.

The Engineering Environment

The team operates in a high-velocity Agile environment focused on:

• AWS-first, serverless architecture (Lambda, S3, API Gateway)
• Cloud-native microservices
• Continuous integration and delivery
• Modern DevOps practices
• Ongoing platform modernization and legacy refactoring

What You'll Be Working On

• 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

What We're Looking For

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

Why This Role

• Opportunity to build and scale AWS serverless systems at national scale
• High ownership and architectural input as a senior engineer
• Stable, growth-oriented organization investing heavily in technology
• Competitive base + bonus structure

This is a high-impact engineering role focused on designing and building scalable AWS serverless solutions and Node.js-based backend services that power critical customer-facing and operational systems at scale.