Full-Stack Developer – End-to-End APIs & Cloud

Cumulus Digital Systems, Inc.; Newton (MA); Hybrid; USD 110,000 - 135,000; Full time

Benefits offered by this job

Equity incentive plan

Unlimited PTO

Commuter benefits

Health and dental insurance

Flexible Spending Account

Retirement benefits with employer mate

Job summary

The Full Stack Developer (Software Level 2) at Cumulus Digital Systems, Inc. is a back-end-leaning role on cross-functional Scrum teams in Auburndale/Newton, MA.

You will own end-to-end features across the stack, focusing on APIs, data models, and cloud infrastructure, with React/React Native collaboration for complete, shippable features. You will work in a modern serverless stack (Node.js, TypeScript, GraphQL, DynamoDB, AWS Lambda, S3) and contribute to reliability, data integrity, and product

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
• Minimum 3 years of professional software development experience, with ownership of backend features.
• Back-end first, capable across the stack with some React/React Native fluency.

Responsibilities

• Design and build GraphQL resolvers, Lambda functions, and DynamoDB data models for web and mobile.
• Own back-end features end-to-end: schema design, business logic, data access, and CI/CD deployment.
• Identify performance bottlenecks in resolvers and pipelines; write unit/integration tests.
• Write technical specs and conduct thorough code reviews per team standards.
• Collaborate with Product Owners and designers to clarify requirements and plan scope.

Skills

Node.js

TypeScript

REST APIs

GraphQL

AWS

DynamoDB

Lambda

AppSync

S3

IAM

CI/CD

Testing

React Native

React

GitHub

Agile

Education

Bachelor's degree in Computer Science/Software Engineering

Tools

AWS

DynamoDB

Lambda

AppSync

S3

IAM

Job description

The Full Stack Developer (Software Level 2) at Cumulus Digital Systems, Inc. is a back-end-leaning role on cross-functional Scrum teams in Auburndale/Newton, MA.

You will own end-to-end features across the stack, focusing on APIs, data models, and cloud infrastructure, with React/React Native collaboration for complete, shippable features. You will work in a modern serverless stack (Node.js, TypeScript, GraphQL, DynamoDB, AWS Lambda, S3) and contribute to reliability, data integrity, and product