Software Engineer (Retool Platform / Internal Applications)

Katalyst CRO; Warrendale (Allegheny County); On-site; USD 70,000 - 100,000; Full time

Job summary

Katalyst CRO is seeking a skilled developer to design and maintain internal tools and applications using Retool in Warrendale, Allegheny County. The ideal candidate will possess strong hands-on experience with Retool, JavaScript, and TypeScript, coupled with proficiency in SQL and experience integrating APIs. A Bachelor's or Master's degree in Computer Science or a related field is required, along with problem-solving skills and attention to detail. This role offers the opportunity to work independently and collaboratively within cross-functional teams.

Qualifications

• Strong hands-on experience with Retool.
• Proficiency in JavaScript / TypeScript.
• Experience integrating REST / GraphQL APIs.
• Strong knowledge of SQL and database concepts.
• Experience building production-grade internal tools or web applications.
• Strong problem-solving and analytical skills.
• Attention to detail with focus on security and performance.
• Ability to work independently and in cross-functional teams.

Responsibilities

• Design, develop, and maintain internal tools and workflow applications using Retool.
• Build reusable UI components and modular application structures.
• Implement business logic using JavaScript / TypeScript within Retool.
• Develop and optimize SQL queries for data retrieval and manipulation.

Skills

Retool

JavaScript

TypeScript

SQL

REST APIs

GraphQL APIs

Problem-solving

Attention to detail

Education

Bachelor's / Master's in Computer Science, IT, or related field

Tools

Java Spring Boot

Node.js

Python

Jenkins

GitHub Actions

AWS

Azure

GCP

Job description

Responsibilities

• Design, develop, and maintain internal tools and workflow applications using Retool.
• Build reusable UI components and modular application structures.
• Implement business logic using JavaScript / TypeScript within Retool.
• Develop and optimize SQL queries for data retrieval and manipulation.

Requirements

• Strong hands‑on experience with Retool.
• Proficiency in JavaScript / TypeScript.
• Experience integrating REST / GraphQL APIs.
• Strong knowledge of SQL and database concepts.
• Experience building production‑grade internal tools or web applications.
• Strong problem‑solving and analytical skills.
• Attention to detail with focus on security and performance.
• Ability to work independently and in cross‑functional teams.
• Bachelor's / Master's in Computer Science, IT, or related field.

Good to Have

• Experience with backend technologies (e.g., Java Spring Boot, Node.js, Python).
• Exposure to CI/CD tools like Jenkins or GitHub Actions.
• Knowledge of cloud platforms (AWS / Azure / GCP).
• Experience in healthcare or regulated environments.