Full Stack Developer (Mid-Level)

Sorry, this job was removed at 10:02 p.m. (CST) on Monday, Jan 12, 2026
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McLean, VA
In-Office
AdTech • Agency • Marketing Tech
The Role
Job Title: Full Stack Developer (Mid-Level)
Company: BLN24
About Us: We find strength in teamwork-a better you is a better us
BLN24 is an award-winning Management Consulting Firm that supports the U.S. Federal Government in successfully achieving their mission and goals. Our service and solutions delivery start with understanding each client’s end-state, and then seamlessly integrating within each Agency’s organization to improve and enhance strategic and technical operations and deployments.

Position Overview:
The Mid-Level Full Stack Developer will contribute to the design, development, and maintenance of scalable, secure, and API-driven web applications in support of digital modernization initiatives. This role involves working across the full technology stack from front-end frameworks to backend services and cloud infrastructure. Developers will collaborate closely with cross-functional teams to build solutions aligned with modern DevSecOps practices, microservices architecture, and cloud-native deployment strategies.

This position supports federal programs initiative and requires candidates to work within secure, Agile development environments under federal IT governance.
Key Responsibilities:
  • Support the development of full-stack applications using modern front-end frameworks and backend languages, ensuring secure, efficient, and scalable performance.
  • Implement and maintain RESTful and GraphQL APIs for system interoperability and data exchange across internal and external services.
  • Contribute to the modernization of legacy systems through component-based architecture and service decomposition.
  • Assist with containerized deployments and CI/CD pipelines using platforms like Kubernetes, OpenShift, and Docker.
  • Participate in code reviews, testing, documentation, and Agile ceremonies to support iterative delivery and continuous improvement.
  • Collaborate with DevOps teams to integrate observability and monitoring tools for performance diagnostics and system health reporting.
  • Apply best practices in UI/UX implementation, code reusability, and platform compliance including 508 accessibility and IRS/Treasury standards.

Required Qualifications:
  • Bachelor’s degree in Computer Science, Engineering, or related field.
  • Minimum 3 years of experience in full-stack software development and architecture.
  • Proven experience with front-end frameworks such as React, Angular, or Vue.
 
  • Proficient in backend development using Node.js, Python, Java, or Spark.
  • Strong skills in HTML, CSS, JavaScript, and responsive design principles.
  • Familiarity with RESTful and GraphQL API design, including data modeling and authentication standards (OAuth2, JWT).
  • Experience working with cloud platforms (AWS, Azure, or GCP) and container orchestration (Kubernetes, OpenShift).
  • Exposure to Databricks or other modern data engineering platforms.
  • Ability to work with SQL and NoSQL databases, caching strategies, and CI/CD tooling.
  • Comfortable working in Agile development environments and engaging in collaborative problem-solving across multidisciplinary teams.

Preferred Qualifications
  • Experience building or integrating microservices-based systems.
  • Working knowledge of containerization technologies such as Docker and Kubernetes.
  • Familiarity with DevOps practices, automated testing frameworks, and infrastructure-as-code.
  • Exposure to performance optimization, web security principles, or hybrid mobile/web development frameworks (e.g., React Native).
  • Prior experience supporting government clients or regulated enterprise systems.
     
Soft Skills:
  • Strong analytical and problem-solving abilities in full-stack environments.
  • Clear communicator, able to work effectively with developers, designers, and stakeholders.
  • Adaptable and self-motivated with a strong focus on team collaboration.
  • Detail-oriented with a commitment to producing maintainable, well-documented, and secure code.
  • Comfortable receiving and applying feedback in Agile and fast-paced environments.
     
What BLN24 brings to the Game:
BLN24 benefits are game changing. We like our team to play hard and that means they need to be taken care of — physically, financially, and emotionally. We make sure to keep them in the game by giving them access to generous medical, dental, and vision plans.
  • You can join one of the fastest growing companies headquartered in the Washington DC Metro Area.  We give you the opportunity to work in different sectors, so you have the chance at variety while maintaining stability.
  • Flexibility at BLN24 allows each individual the opportunity to balance quality work and their personal lives. Depending on projects, we allow remote working opportunities so you can always be in the game no matter where you call home.

BLN24 is an Equal Opportunity Employer. We believe people are our strength and understand diverse talents are key to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. In accordance with applicable law, we make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as any mental health or physical disability needs.
 

 

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The Company
HQ: Tysons, VA
26 Employees
Year Founded: 2006

What We Do

BLN24 is a digital creative agency that is an 8(a) minority-owned small disadvantaged business (SDB). We add value by merging our commercial and government experience to create award-winning solutions for clients with the most important missions globally. BLN24 is a first-class communication, marketing, and technology agency for federal agencies and Fortune 500 companies.

Founded by two former Booz Allen Hamilton employees, BLN24’s
industry-lead marketing and communications strategies along with
production and visual design has been on web and print advertisement
campaigns as well as television networks across the nation.

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