Harmonia Holdings Group, LLC is hiring: Senior Full Stack Web Developer with Sec

Senior Full Stack Web Developer with Security Clearance

Position Summary: We have an exciting opportunity for a Senior Full Stack Web Developer to join our team. To perform this job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience requirements; and must be able to perform each essential duty and responsibility satisfactorily. Other duties, in addition to the below, may be assigned as necessary to meet business needs.

Responsibilities

• Ability to understand complex systems and how to troubleshoot and make them highly available
• Maintain a collaborative spirit and work with a team to build products in an Agile fashion
• Demonstrate a work ethic that focuses on continuous improvement, where you are giving and receiving constant constructive feedback
• Design, develop, test, and integrate custom web applications and solutions, interfacing with RESTful services
• Develop an AWS cloud-based web application
• Interface with customer management and SMEs
• Develop scalable and secure cross-platform web applications
• Resolve complex design, implementation, and/or performance issues
• Optimize web pages for maximum speed and scalability with a focus on the user experience
• Develop front‑end applications using HTML/CSS/JavaScript, and other front‑end development frameworks such as Angular and React
• Work as part of a development team for the development of both front‑end web applications and back‑end microservices
• Support all development and delivery activities, from requirements definition and specification to deployment and delivery to production
• Consult with project teams and end users to identify new requirements and areas for improvement

Required Qualifications

• Bachelor’s degree in computer science or a related field, or substitute eight years of equivalent work experience.
• At least seven (7) years of recent hands‑on front‑end and back‑end development experience.
• Two (2) years of experience using Angular or React framework.
• Four (4) years of experience using an advanced programming language (e.g., Java, Python, Node.js).
• Four (4) years of Web application, SOA, web service (SOAP or RESTful) development and deployment.
• Infrastructure as Code (IaC) with AWS CloudFormation.
• Hands‑on experience with coding and application deployment to Amazon Web Services (AWS) cloud ecosystem (e.g., AWS Lambda, API Gateway, S3, CloudFront, WAF).
• Must be proficient in mock unit and integration testing.
• Experience working in an Agile environment (Scrum, Kanban).
• Experience in developing innovative, scalable, secure, cross‑platform enterprise applications.
• Experience in Cloud Application Development; AWS Preferred.
• Strong interpersonal communication skills to establish and maintain an effective working relationship with development teams and customers.
• Solid relational database experience with SQL programming. Preferred – PostgreSQL.
• Active Clearance: Public Trust, Secret, Top‑Secret, or any other type of government clearance. Preferred qualifications: Experience with CI/CD products is a plus – AWS Fargate.

Additional Requirements

• To meet the clearance requirements for this opportunity, candidates must be authorized to work in the United States.
• Ability to pass a US Public Trust background investigation for access to the client site and computing systems.
• All candidates will be subject to a complete background check to include, but not limited to, Criminal History, Education Verification, Professional Certification Verification, Verification of Previous Employment, and Credit History.

Seniority Level

• Mid‑Senior level

Employment Type

• Full‑time

Job Function

• Engineering and Information Technology
• Software Development