Senior Full-Stack Lead Engineer (Python/JS) - Mission-Critical

Castello Systems, Inc.; Corridor North (MD); On-site; USD 120,000 - 170,000; Full time

Job summary

Castello Systems, Inc. seeks a senior full-stack engineer to lead a small development team focused on sustaining and enhancing a mission-critical Enterprise Support Services application.

You will translate customer needs into technical requirements and deliver scalable, secure applications. You will collaborate with customers and stakeholders, build responsive web interfaces, and integrate backend services via RESTful APIs using Django/FastAPI/Flask and React.js or Vue.js.

Qualifications

• Hands-on experience with Python web frameworks (Django, FastAPI, Flask).
• Strong front-end skills in modern JavaScript frameworks (React.js, Vue.js).
• Experience building RESTful APIs and integrating backend services.

Responsibilities

• Lead a small development team supporting sustainment and enhancement of enterprise software.
• Translate customer needs into technical requirements and solutions.
• Engage with customers and stakeholders to align on business needs and technical approaches.
• Build intuitive, responsive web interfaces with robust data handling.
• Develop and maintain Python backend services and JavaScript front-ends.

Skills

Python

Django

FastAPI

Flask

React.js

Vue.js

RESTful APIs

PostgreSQL

Oracle

SQL Server

Git/GitLab

CI/CD

Docker

Linux

Agile/Scrum

Tools

Git/GitLab

CI/CD

Docker

Job description

Castello Systems, Inc. seeks a senior full-stack engineer to lead a small development team focused on sustaining and enhancing a mission-critical Enterprise Support Services application.

You will translate customer needs into technical requirements and deliver scalable, secure applications. You will collaborate with customers and stakeholders, build responsive web interfaces, and integrate backend services via RESTful APIs using Django/FastAPI/Flask and React.js or Vue.js.