Software Engineer

Reflexive Concepts; Maryland; On-site; USD 105,000 - 135,000; Full time

Job summary

Reflexive Concepts is seeking a skilled Software Engineer to join our team, delivering enterprise applications across Infrastructure & Logistics (I&L) with GOTS and COTS systems. The role involves supporting asset management, facilities, transportation, and corporate services.

The ideal candidate is hands-on with Java, JavaScript, Oracle SQL, and eager to learn additional languages and technologies as mission needs evolve. Strong problem-solving and collaboration skills are essential.

Qualifications

• Active TS/SCI with Polygraph required.
• Bachelor's degree plus 6 years software development experience; 10 years may substitute.
• Experience with Java development.
• Experience with Oracle databases and SQL development.
• Experience with a JavaScript framework such as Angular.
• Experience developing in the Linux operating system.
• Experience with Docker for containerized deployment.
• Must be able to work core hours 10AM-2PM.

Responsibilities

• Maintain, enhance, and modernize backend services using Java and Spring Boot.
• Develop, maintain, and troubleshoot software using JavaScript and other languages as required.
• Work with Oracle databases and SQL to develop, troubleshoot, optimize, and support data interactions.
• Learn and apply additional languages, frameworks, tools as needed by evolving priorities.
• Update software requirements, libraries, frameworks, and dependencies to remain secure and maintainable.
• Analyze and implement code changes from upgrades and dependency updates.
• Perform application maintenance, troubleshooting, and root-cause analysis.
• Design and implement code enhancements based on requirements.
• Collaborate with customers, developers, systems engineers, and stakeholders to deliver solutions.
• Participate in Agile ceremonies and contribute to sprint planning and technical discussions.
• Support deployments, troubleshooting, and operations within Linux/Docker environments.
• Contribute to long-term stability, reliability, and modernization of enterprise applications.

Tools

Java development

JavaScript

SQL

Linux

Agile development

Job description

Reflexive Concepts is seeking a skilled Software Engineer to join our team!

We are seeking a Software Engineer to support a diverse portfolio of enterprise applications delivering mission-critical capabilities across Infrastructure & Logistics (I&L). The selected candidate will play a key role supporting multiple Government Off-the-Shelf (GOTS) and Commercial Off-the-Shelf (COTS) applications that enable enterprise business functions including asset management, facilities, transportation, and other corporate services.

This position is ideal for a hands‑on engineer who enjoys working across multiple technologies and technical disciplines. The selected candidate will support a diverse portfolio of Commercial Off-the-Shelf (COTS) and Government Off-the-Shelf (GOTS) enterprise applications utilizing both modern and legacy technology stacks. Responsibilities may include application development, system integration, application configuration and customization, cloud modernization, and production sustainment. Success in this role requires adaptability, strong technical problem‑solving skills, and the ability to quickly learn new technologies as mission priorities evolve.

The ideal candidate is a versatile software developer with experience building and supporting enterprise applications. You should be comfortable working with Java, JavaScript, Oracle databases, and SQL, and have the aptitude and willingness to learn additional programming languages, frameworks, and technologies based on the needs of the products and applications you support.

Primary Responsibilities:

• Maintain, enhance, and modernize backend services developed using Java and Spring Boot.
• Develop, maintain, and troubleshoot software using JavaScript and other programming languages and technologies as required by the product.
• Work with Oracle databases and SQL to develop, troubleshoot, optimize, and support application data and database interactions.
• Learn and apply additional programming languages, frameworks, tools, and technologies as required by evolving application and mission needs.
• Update software requirements, libraries, frameworks, and dependencies to ensure applications remain secure, supported, and maintainable.
• Analyze and implement code changes resulting from dependency, framework, and technology upgrades.
• Perform application maintenance activities, including troubleshooting, root‑cause analysis, issue identification, and defect resolution.
• Design and implement code enhancements and technical improvements based on customer, program, and operational requirements.
• Collaborate with customers, software developers, systems engineers, and other stakeholders to deliver timely and effective solutions.
• Participate in Agile ceremonies and contribute to sprint planning, estimation, technical discussions, and continuous improvement activities.
• Support application deployments, troubleshooting, and operational activities within Linux and Docker-based environments.
• Contribute to the long‑term stability, reliability, security, performance, and modernization of mission‑critical enterprise applications.

Key Technologies:

• Java
• JavaScript
• AWS
• MySQL
• Linux
• Maven
• SpringBoot
• Docker
• Angular
• Git
• GitLab
• Atlassian Tool Suite
• Oracle
• Node.JS

Qualifications:

• Active TS/SCI with Polygraph
• A bachelor's degree and six (6) years of experience in software development/engineering in programs and contracts of similar scope, type, and complexity. Ten (10) years of software development experience may be substituted in lieu of a bachelor's degree.
• Experience with Java development.
• Experience working with Oracle databases, including SQL development.
• Experience with a JavaScript framework such as Angular.
• Experience developing in the Linux operating system.
• Experience with Docker for containerized application deployment and management.
• Must be able to work between the core hours of 10AM-2PM. Exceptions will be considered on a case‑by‑case basis.

Desired Skills:

• AWS experience
• Experience in an Agile development environment
• Experience working with the Atlassian Tool Suite
• Experience with Python
• Experience with GitLab for version control