Job Description
Senior Developer
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.
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