ManTech International

Senior Full Stack Developer

ManTech International$114K — $190K *
Education, Government & Non-Profit
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • High school diploma/GED plus 15-20 years or relevant degree with 3-18 years of experience.
  • Expertise in Java development with knowledge of Spring Boot and design patterns.
  • Hands-on experience with Microservices, containerization, Docker, Kubernetes.
  • Familiarity with messaging queues like gRPC, RabbitMQ, and Kafka.
  • Proven skills in CI/CD pipeline management with Jenkins or similar tools.
  • Experience in RESTful API design and implementation.
  • Strong communication skills for effective teamwork.

Responsibilities

  • Lead development of user-focused, analytic applications for CBP threat analysis.
  • Design and implement high-performance applications using Java and modern JavaScript frameworks.
  • Contribute to the entire software engineering lifecycle from requirements to deployment.
  • Create and consume RESTful APIs for system integration.
  • Modify code, conduct testing, and document application functionalities.
  • Manage CI/CD pipelines for automated application delivery.
  • Integrate AI/ML services into application frameworks.

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • Disability insurance (short-term and long-term)
  • Retirement and Savings plans
  • Learning and Development opportunities
  • Wellness programs
Full Job Description
General information

Requisition #

R69779

Locations

USA-VA-Ashburn

Posting Date

08/04/2026

Security Clearance Required

Top Secret

Remote Type

Hybrid

Time Type

Full time

Description & Requirements

MANTECH seeks a motivated, career- and customer-oriented Senior Full Stack Developer to join our AI innovation team in Ashburn, VA. This is currently a hybrid position with 2-3 days onsite/week.

Each day U.S. Customs and Border Protection (CBP) oversees the massive flow of people, capital, and products that enter and depart the United States via air, land, sea, and cyberspace. The volume and complexity of both physical and virtual border crossings require the application of solutions to aid officers in detecting threats while promoting efficient trade and travel.

Responsibilities include but are not limited to:
  • Lead and perform development and maintenance of end-user focused, object-oriented, data-driven analytic applications to support CBP threat analysis and targeting in an agile environment.
  • Design, develop, and implement scalable, high-performance and reliable applications and microservices using Java (including frameworks like Spring Boot, Jakarta etc.) for the backend and modern JavaScript frameworks (e.g. React, Angular, Vue.js) for the frontend.
  • Contribute to all phases of the software engineering lifecycle (SELC), including requirements gathering, architecture design, coding, testing, deployment, and maintenance.
  • Develop and consume RESTful APIs and ensure seamless integration between front-end and backend systems.
  • Develop new code, modify existing application code, conduct unit and system testing, and engage in rigorous documentation of developed and delivered application use cases, data flows, and functional operations.
  • Develop, manage, and optimize CI/CD pipelines (e.g. using Jenkins, Gitlab CI, Harness) for automated builds, testing, and deployments.
  • Demonstrate a strong practical understanding to integrate rapid deployment process of AI/ML services into application delivery framework for targeting.


Minimum Qualifications:
  • HS Diploma/GED and 15-20 years or AS/AA and 13-18 years or BS/BA and 7-12 years or MS/MA/MBA and 5-9 years or PhD/Doctorate and 3-7 years.
  • Proven expertise in Java development, including core Java concepts, object-oriented design principles/patterns and modern frameworks (e.g. Spring Boot, Spring Framework).
  • Hands on experience developing Micro Services architecture patterns including building and deploying containerized applications (Docker, Kubernetes).
  • Experience with messaging queues such as gRPC, RabbitMQ, Kafka.
  • Hands-on experience setting up, configuring, and maintaining CI/CD pipelines for automated application delivery using Harness or Jenkins.
  • Experience with RESTful API design and development.
  • Solid communication and interpersonal skills, with the ability to collaborate effectively within a team.


Preferred Qualifications:
  • Experience with cloud platforms such as AWS and related cloud services (e.g. EC2, S3, Lambda, RDS, EKS).
  • Experience working with relational databases (e.g. Oracle, PostgreSQL) and/or NoSQL databases (e.g. MongoDB).
  • Hands on experience leveraging distributed data/computing tools including Hadoop, Spark, Impala, MySQL, Elasticsearch, Solr, etc.
  • Experience working in Agile/Scrum development methodology.
  • Solid understanding of software development lifecycles.


Clearance Requirements:
  • Must be a U.S. citizen with a current/active Top-Secret clearance and the ability to obtain and maintain DHS CBP suitability prior to starting this position.


Physical Requirements:
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, which may involve delivering presentations.


The projected compensation range for this position is $114,600.00-$190,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ

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