Senior Fullstack Developer Jobs in District of Columbia

Koniag Data Solutions, LLC, a Koniag Government Services company, is seeking a Full Stack Software Developer with a Secret security clearance to support KDS and our government customer at Fort McNair, Washington, DC. The position is hybrid.
We offer competitive compensation and an extraordinary benefits package including health, dental and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three weeks paid time off, and more.
Koniag Data Solutions is seeking a motivated Full Stack Software Developer to support KDS and our government customer in enhancing and modernizing enterprise web applications supporting mission-critical operations. The successful candidate will contribute to the design, development, testing, and deployment of cloud-based applications while working collaboratively with senior engineers, architects, and government stakeholders. This role offers the opportunity to work with modern web technologies, cloud-native services, and emerging AI capabilities in a secure Department of Defense environment.
Essential Functions & Responsibilities

• Design, develop, test, and maintain full-stack web applications using modern front-end and back-end technologies
• Develop responsive, user-friendly interfaces using React, TypeScript, JavaScript, HTML, and CSS
• Build and maintain backend services and APIs using Python
• Design, develop, and optimize relational database solutions using PostgreSQL or similar database platforms
• Deploy and support applications within AWS cloud environments utilizing services such as EC2, S3, and Lambda
• Collaborate with architects, developers, and system administrators to implement scalable, secure, and maintainable software solutions
• Participate in code reviews, testing, debugging, and performance optimization efforts
• Support application deployments and software releases through established CI/CD and DevSecOps processes
• Troubleshoot production issues and provide technical support as needed
• Create and maintain technical documentation, including design specifications and operational procedures
• Ensure applications comply with government security requirements and organizational coding standards

Required Qualifications:Clearance Requirement:

• Active Secret Security Clearance

Software Development:

• Two (2) to four (4) years of professional software development or software engineering experience
• Strong proficiency in React for developing modern web applications
• Strong programming skills in TypeScript and JavaScript
• Experience developing backend services using Python
• Experience designing and consuming RESTful APIs
• Familiarity with modern software development practices, including version control (Git), code reviews, and Agile development methodologies

Database & Cloud Technologies:

• Experience working with PostgreSQL or other relational database management systems
• Working knowledge of AWS cloud services, including EC2, S3, Lambda, or similar services
• Understanding of cloud application deployment and basic cloud architecture principles

Soft Skills:

• Strong analytical, troubleshooting, and problem-solving skills
• Excellent verbal and written communication skills
• Ability to work independently while contributing effectively within a collaborative Agile team
• Strong organizational skills with the ability to manage multiple priorities in a fast-paced government environment

Preferred Qualifications:

• Experience with Infrastructure as Code (IaC) using Terraform
• Experience developing applications using Next.js
• Experience deploying applications into IL6 (Impact Level 6) cloud environments
• Familiarity with semantic search, semantic enrichment, or Retrieval-Augmented Generation (RAG) solutions
• Exposure to AI-assisted application development or Generative AI technologies
• Experience supporting Department of Defense or other Federal Government customers
• Familiarity with DevSecOps practices and CI/CD pipeline implementation
• Must be a U.S. citizen and able to obtain a secret clearance

Education:

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a closely related field.
• Equivalent combinations of education, technical training, and relevant work experience may be considered.

Our Equal Employment Opportunity Policy
The company is an equal opportunity employer. The company shall not discriminate against any employee or applicant because of race, color, religion, creed, ethnicity, sex, sexual orientation, gender or gender identity (except where gender is a bona fide occupational qualification), national origin or ancestry, age, disability, citizenship, military/veteran status, marital status, genetic information or any other characteristic protected by applicable federal, state, or local law. We are committed to equal employment opportunity in all decisions related to employment, promotion, wages, benefits, and all other privileges, terms, and conditions of employment.
The company is dedicated to seeking all qualified applicants. If you require an accommodation to navigate or apply for a position on our website, please get in touch with Heaven Wood via e-mail at accommodations@koniag-gs.com or by calling 703-488-9377 to request accommodations.
Koniag Government Services (KGS) is an Alaska Native Owned corporation supporting the values and traditions of our native communities through an agile employee and corporate culture that delivers Enterprise Solutions, Professional Services and Operational Management to Federal Government Agencies. As a wholly owned subsidiary of Koniag, we apply our proven commercial solutions to a deep knowledge of Defense and Civilian missions to provide forward leaning technical, professional, and operational solutions. KGS enables successful mission outcomes for our customers through solution-oriented business partnerships and a commitment to exceptional service delivery. We ensure long-term success with a continuous improvement approach while balancing the collective interests of our customers, employees, and native communities. For more information, please visit www.koniag-gs.com.
Equal Opportunity Employer/Veterans/Disabled. Shareholder Preference in accordance with Public Law 88-352