Senior Full stack Developer
Confirmed on the employer's own hiring board on Oct 8, 2026. First seen by Alion on Oct 6, 2026.
Position Summary:
The Developer designs, develops, tests, and deploys scalable web applications and enterprise solutions. You will build and maintain applications using Python, React.js, Java/Spring Boot, PostgreSQL, NoSQL databases, and AWS services while collaborating with cross-functional Agile teams. The ideal candidate has hands-on experience with modern software development practices, cloud technologies, AI-assisted development tools, and delivering high-quality solutions that meet client requirements.
Required Qualifications:
- Bachelor's Degree in Computer Science, Engineering, Information Technology, or a related technical field.
- 5+ years of professional software development experience.
- 5+ years of hands-on backend development experience using Python.
- 5+ years of hands-on frontend development experience using React.js.
- Hands-on experience developing applications using Java and Spring Boot.
- Experience designing and developing microservices-based architectures.
- Experience working with relational databases such as PostgreSQL, SQL Server, or Oracle.
- Experience working with NoSQL databases such as MongoDB or DynamoDB.
- Familiarity with AWS services including S3, EC2, Lambda, SQS, and RDS.
- Experience working within Agile frameworks such as Scrum or Kanban.
- Experience using JIRA for project and task management.
- Proficiency in creating accurate estimates for assigned tasks and work efforts.
- Strong understanding of object-oriented programming, design patterns, database design, and data modeling.
- Strong analytical, troubleshooting, and problem-solving skills.
- Excellent communication skills with the ability to interact directly with non-technical client stakeholders and translate business requirements into technical solutions.
- Experience using AI-assisted development tools such as GitHub Copilot for code generation, review, validation, and development workflow optimization.
Preferred Qualifications:
- Python Certification(s).
- AWS Certification(s).
- Java Certification(s).
- Experience developing and supporting cloud-native applications.
- Familiarity with CI/CD pipelines and DevSecOps practices.
- Experience working in a client-facing consulting environment.
Key Responsibilities:
- Design, develop, and implement Python-based enterprise solutions that meet client requirements.
- Build, test, deploy, and maintain scalable web applications and services.
- Collaborate as a member of a cross-functional Agile team to deliver software solutions aligned with business objectives.
- Support quality development practices, including test-driven development and automated testing.
- Apply Agile development principles and DevSecOps best practices throughout the software development lifecycle.
- Participate in and contribute to code reviews to improve code quality, maintainability, and performance.
- Evaluate technical requirements and contribute to user story creation, estimation, and implementation planning.
- Participate in Agile ceremonies including sprint planning, daily standups, retrospectives, and backlog refinement sessions.
- Create and maintain technical documentation, system designs, and application architecture artifacts.
- Develop applications using object-oriented methodologies, design patterns, microservices, databases, and modern web technologies.
- Collaborate with technical and non-technical stakeholders to gather requirements and deliver effective solutions.
- Develop and maintain cloud-based applications and services utilizing AWS technologies.
- Troubleshoot, debug, and resolve application, integration, and performance issues.
- Utilize AI-assisted development tools, including GitHub Copilot, to generate, review, validate, and optimize code and development workflows.
- Provide accurate estimates for assigned tasks and manage deliverables within project timelines.
PHYSICAL DEMANDS:
- Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions
We do not discriminate against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibits discrimination against all individuals based on their race, color, religion, sex, sexual orientation/gender identity, or national origin
INTEGRITY AND COMPLIANCE NOTICE:
All information provided by applicants must be complete, truthful, and accurate. Any intentional misrepresentation of skills, experience, credentials, or identity may result in removal from consideration for this and future employment opportunities.
For positions supporting U.S. federal government contracts, applicants may be subject to background investigations and employment eligibility verification in accordance with federal regulations. Providing false information during this process may be subject to review and action as required under applicable federal laws and security regulations.
Phizenix is proud to be an Equal Opportunity Employer and a federal contractor committed to compliance with all applicable EEO, OFCCP, and federal hiring standards.
Requirements
Non-Technical Requirements:
- Must be a U.S. Citizen.
- Must be willing to work a HYRBID Schedule (1-2 Days) in Reston, VA & client locations in the Washington D.C. area as required.
- Ability to pass a 7-year background check and obtain/maintain a U.S. Government Clearance
- Strong communication and presentation skills.
- Must be able to prioritize and self-start.
- Must be adaptable/flexible as priorities shift.
- Must be enthusiastic and have passion for learning and constant improvement.
- Must be open to collaboration, feedback and client asks.
- Must enjoy working with a vibrant team of outgoing personalities.
Salary Description
$120,000-$140,000 (based on pertinent experience)