Versatile Software Engineer - Java, Cloud, Enterprise

Castello Systems, Inc.; Corridor North (MD); On-site; USD 110,000 - 160,000; Full time

Job summary

Castello Systems, Inc. is seeking a hands-on software engineer to support a diverse portfolio of COTS and GOTS enterprise applications, spanning modern and legacy stacks.

You will work with Java, JavaScript, Oracle, and SQL, and will learn additional languages and frameworks as needed to support products and applications. Primary responsibilities include maintaining backend services, developing with JavaScript, and collaborating with customers and teams to deliver timely, secure solutions in a

Qualifications

• Hands-on software engineer familiar with enterprise apps across modern and legacy stacks.
• Experience building and supporting Java-based backend services with Spring Boot.
• Comfort with JavaScript, Oracle databases, and SQL; eagerness to learn new languages and frameworks.

Responsibilities

• Maintain, enhance, and modernize backend services written in Java and Spring Boot.
• Develop and troubleshoot software using JavaScript and other required languages.
• Work with Oracle databases and SQL to support data interactions.
• Learn new languages, frameworks, and tools as product needs evolve.
• Update dependencies to keep applications secure and maintainable.
• Analyze code changes from upgrades and perform root-cause analysis.
• Collaborate with customers, software developers, systems engineers, and stakeholders to deliver solutions.
• Participate in Agile ceremonies and sprint planning.
• Support deployments and operations in Linux and Docker environments.
• Contribute to long-term stability, reliability, and modernization of mission-critical applications.

Skills

Java

JavaScript

Oracle

SQL

Linux

Docker

Spring Boot

Maven

AWS

Angular

Git

GitLab

Node.JS

Tools

IDE/DevTools

SQL Tools

Job description

Castello Systems, Inc. is seeking a hands-on software engineer to support a diverse portfolio of COTS and GOTS enterprise applications, spanning modern and legacy stacks.

You will work with Java, JavaScript, Oracle, and SQL, and will learn additional languages and frameworks as needed to support products and applications. Primary responsibilities include maintaining backend services, developing with JavaScript, and collaborating with customers and teams to deliver timely, secure solutions in a