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Senior Developer

Reflexive Concepts
  • Annapolis Junction, Maryland
    4 days ago

    Job Description

    Reflexive Concepts is seeking a skilled Senior Developer to join our team!

    Duties and Responsibilities:
    • Lead a small, collaborative development team supporting the sustainment and continuous enhancement of a mission-critical Enterprise Support Services application that enables a key operation.
    • Serve as a senior technical point of contact between the development team and the customer, helping translate customer needs into clear, actionable technical requirements and solutions.
    • Engage with customers and stakeholders to understand business needs, communicate technical approaches, refine requirements, and build alignment and buy-in for proposed solutions.
    • Build intuitive, responsive web interfaces backed by robust data retrieval and storage capabilities.
    • Apply hands-on expertise with modern Python frameworks, such as Django, FastAPI, or Flask, to deliver scalable, secure, and performant applications.
    • Apply hands-on expertise with modern JavaScript and front-end frameworks, specifically React.js and Vue.js, to deliver high-quality user interfaces and dynamic, client-side application features.
    • Integrate backend services through RESTful APIs to support seamless data flow and reliable application functionality.
    • Leverage full-stack development skills across Python backend services and modern JavaScript front-end architectures to deliver scalable, end-to-end solutions.
    • Demonstrate strong experience with relational database management systems (RDBMS), with primary expertise in PostgreSQL and secondary experience with Oracle and SQL Server.
    • Translate complex business requirements into effective enhancements within existing database structures and application logic.
    • Support and execute application upgrades while implementing code enhancements that improve performance, maintainability, and long-term sustainability.
    • Develop efficient data retrieval solutions that power user-friendly displays and dynamic application views.
    • Diagnose, troubleshoot, and resolve application defects to help maintain system stability and a positive user experience.
    • Design, build, and deploy Docker containerized applications to Linux servers.
    • Conduct thorough unit testing to validate software reliability, performance, and feature accuracy.
    • Collaborate within Git/GitLab workflows and contribute to CI/CD pipelines that enable smooth, automated delivery of application updates.
    • Bring a proactive, ownership-oriented approach to problem-solving, provide technical leadership to the development team, and demonstrate a strong willingness to take on new challenges and learn emerging technologies.
    • Actively contribute in an Agile environment by participating in sprint planning, backlog grooming, and iterative development cycles that deliver continuous value.
    Required Qualifications:
    • Active TS/SCI security clearance with Full Scope (FS) Polygraph.
    • A bachelor's degree in a technical discipline and twelve (12) years of experience in software development/engineering. Sixteen (16) years of experience in software development/engineering may be substituted in lieu of a degree.
    • Working knowledge of JavaScript and modern front-end frameworks, specifically React.js and Vue.js.
    • Experience with REST APIs.
    • Experience with modern Python full-stack development, utilizing Python web frameworks (such as Django, FastAPI, or Flask) paired with modern front-end frameworks (React.js or Vue.js) and RESTful API integrations.
    • Unit testing experience.
    • Git/GitLab experience with CI/CD.
    • Experience with Docker.
    • Working knowledge of Linux.
    • Working knowledge of Agile software development processes.
    Desired Skills:
    • Extensive experience in agile development, including running sprint planning sessions, managing sprint backlogs, and delivering high-quality results on time.
    • A background in developing enterprise-level applications with a focus on scalability, security, and performance.
    • Experience managing systems in a virtual hosting environment, including AWS.
    • Familiarity with CI/CD.

    Numbers & Facts

    LocationAnnapolis Junction, Maryland
    Websitehttp://www.reflexiveconcepts.com

    Skills

    • Agile Programming Methodologiesunmatched
    • Amazon Web Services (AWS)unmatched
    • Application Programming Interface (API)unmatched
    • Backlog Prioritizationunmatched
    • Continuous Deployment/Deliveryunmatched
    • Continuous Integrationunmatched
    • Customer Support/Serviceunmatched
    • Data Recoveryunmatched
    • Data Storageunmatched
    • Djangounmatched
    • Dockerunmatched
    • Emerging Technologyunmatched
    • Full Scope Polygraphunmatched
    • Gitunmatched
    • Identify Issuesunmatched
    • JavaScriptunmatched
    • Linux Operating Systemunmatched
    • Microsoft SQL Serverunmatched
    • Needs Assessmentunmatched
    • Oracle Databaseunmatched
    • Performance Managementunmatched
    • PostgreSQLunmatched
    • Problem Solving Skillsunmatched
    • Python Programming/Scripting Languageunmatched
    • REST (Representational State Transfer)unmatched
    • React.jsunmatched
    • Relational Databases (RDBMS)unmatched
    • Security Clearanceunmatched
    • Sensitive Compartmented Information (SCI)unmatched
    • Software Administrationunmatched
    • Software Developmentunmatched
    • Software Engineeringunmatched
    • Software Upgradesunmatched
    • Software Validationunmatched
    • Sprint Planningunmatched
    • Sustainabilityunmatched
    • Systems Administration/Managementunmatched
    • Systems Maintenanceunmatched
    • Team Playerunmatched
    • Technical Leadershipunmatched
    • Testingunmatched
    • Time Managementunmatched
    • Top Secret Clearanceunmatched
    • Unit Testunmatched
    • User Interface/Experience (UI/UX)unmatched
    • Virtual Hostingunmatched
    • Vue.jsunmatched
    • Web Application Frameworkunmatched
    • Web Interfaceunmatched

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