Full Stack Software Engineer Mid

Career Opportunities with Castalia Systems

A great place to work.

Current job opportunities are posted here as they become available.

Clearance: TS/SCI willingness to take a polygraph exam

Must be a U.S. Citizen

• Systems is seeking a Mid-Level Full Stack Software Engineer with the skills needed to develop, integrate, test, and maintain software capabilities from requirements through production delivery. You’ll work across the technology stack and collaborate with other engineers, architects, product owners, and mission stakeholders to translate requirements into reliable and maintainable software solutions.

A qualified candidate will perform the following duties and responsibilities, but are not limited to:

• Use modern development tools, frameworks, and cloud technologies to solve challenging technical and mission problems.
• Develop backend services, APIs, data integrations, and user-facing capabilities while working within established application architectures and engineering standards.
• Participate in technical design discussions, troubleshoot application issues, conduct code reviews, and contribute to improvements in software quality and maintainability.
• Work alongside senior engineers to evaluate technical approaches, learn new tools and technologies, and continuously improve the team's development and delivery practices.

• Bachelor's degree in Computer Science, Engineering, Information Technology, or a related technical field, or additional software engineering experience in lieu of a degree.
• 4+ years of experience in software engineering, including developing, testing, integrating, or maintaining software applications.
• 3+ years of experience developing applications using Python, Java, or another object-oriented programming language.
• 2+ years of experience developing web applications using frontend technologies or frameworks, such as React or Angular.
• Experience developing or integrating backend services and RESTful APIs.
• Experience developing applications using relational databases, such as PostgreSQL, and working with SQL.
• Experience working within Agile software development environments using methodologies such as Scrum or Kanban.
• Experience using software development and task management tools such as Jira.
• TS/SCI clearance with a polygraph.

• Experience developing production applications with Python.
• Experience with microservices, distributed systems, or event-driven architectures.
• Experience with AWS cloud-native or serverless application development.
• Experience with Infrastructure as Code technologies such as Cloud Formation.
• Experience building or maintaining CI/CD pipelines (Gitlab, Github Actions, Jenkins).
• Experience with Kubernetes or other container orchestration technologies.
• Experience with automated unit, integration, or end-to-end testing.
• Experience with application authentication, authorization, logging, monitoring, or observability.
• Experience working in Dev Sec Ops  software delivery environments.

• Normal office environment.

• As required

Castalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application.

With our vast knowledge of our customers’ needs and relevant technology, our team is able to bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so it’s so evident when you compare us with anyone.

At Castalia Systems, we…