Senior Software Engineer

Intone Inc; Northern (KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Intone Inc is seeking a Senior Software Engineer for a contract position in Malvern, PA. You will write production backend APIs in TypeScript/Node.js and build web UI components with React.

Experience with AWS serverless (Lambda, ECS, S3) and DynamoDB is required, along with knowledge of JWT and OAuth design patterns to secure applications.

Qualifications

• Expert-level experience building production backend APIs and services in TypeScript/Node.js.
• Hands-on React for web UI development.
• Practical AWS serverless experience (Lambda, ECS, S3).
• Experience with DynamoDB NoSQL databases.
• Strong JWT/OAuth design pattern knowledge.
• Ability to navigate ambiguous requirements and work independently.

Responsibilities

• Write production backend APIs and services using TypeScript and Node.js.
• Develop and maintain web UI components using React.
• Work with AWS serverless and cloud infrastructure (Lambda, ECS, S3).
• Design solutions using DynamoDB NoSQL databases.
• Apply JWT and OAuth patterns for authentication and security.

Skills

TypeScript

Node.js

React

AWS

DynamoDB

JWT/OAuth

Independent worker

Tools

AWS Lambda

AWS ECS

AWS S3

Job description

We are seeking a Senior Software Engineer for a contract position in Malvern, Pennsylvania, with an anticipated duration of six months or more.

Responsibilities

• Write production backend APIs and services using TypeScript and Node.js
• Develop and maintain web UI components using React
• Work with AWS serverless and cloud infrastructure, including Lambda, ECS, and S3
• Design and implement solutions using NoSQL databases such as DynamoDB
• Apply JWT and OAuth design patterns to authentication and security requirements
• Navigate ambiguous requirements and deliver clean, well-tested code independently

Qualifications

• Required
• Expert-level experience writing production backend APIs and services in TypeScript and Node.js
• Hands-on experience with React for web UI development
• Practical experience with AWS serverless and cloud tooling (Lambda, ECS, S3)
• Experience working with NoSQL databases such as DynamoDB
• Strong understanding of JWT and OAuth design patterns
• Ability to navigate ambiguous requirements and work independently