Demo

Senior Software Developer

NS2 Mission
Chantilly, VA Full Time
POSTED ON 10/23/2025
AVAILABLE BEFORE 12/23/2025

Are you ready to join a high-performing team that builds powerful tools for mission-critical data pocessing and analysis? NS2 Mission is seeking a highly motivated and innovative Senior Software Developer to support a data-driven program in Chantilly, VA. This role focuses on developing and maintaining scalable systems that process large volumes of data from diverse sources, empowering analysts and data scientists to perform high-impact work in support of the mission.

Position Overview:
  • Collaborate with a multidisciplinary team to design, develop, and optimize software solutions that handle large-scale data ingestion, transformation, and analysis.
  • Build and maintain scalable data pipelines using modern programming languages and frameworks.
  • Partner with data engineers and analysts to ensure systems are performant, secure, and reliable.
  • Contribute to the evolution of a complex data ecosystem by integrating new tools and technologies.
  • Work in an Agile environment, contributing to sprint planning, code reviews, and continuous integration/deployment practices.
  • Troubleshoot issues, support system operations, and maintain thorough documentation for deployed solutions.
Required Qualifications:
  • A master's degree in Computer Science, Information Systems, Engineering, or additional years of specialized experience in a scientific or technical discipline.
  • Proven experience with Java, Apache Kafka, and Apache NiFi for building scalable data pipelines.
  • Demonstrated experience building Angular web-based applications.
  • Demonstrated experience with ElasticSearch/OpenSearch.
  • Experience working in cloud-based environments.
  • Experience with containerization technologies (e.g. Docker).
  • Proven experience working in a dynamic working environment.
  • Proven experience working in an Agile scrum teamwork environment.
  • Excellent communication and collaboration skills.
  • Analytical, critical, and creative thinking and problem-solving skills.
  • Excellent time management skills.
  • Attention to detail.

Additional Qualifications:
  • Experience with Python programming language.
  • Experience with SQL (e.g. MySQL, PostgreSQL, Hive).
  • Familiarity with Apache Hadoop ecosystem.
  • Knowledge of Apache Spark and its APIs.
  • Experience working with orchestration tools (e.g. Kubernetes, Apache Airflow).

Position Clearance Requirement:

TS/SCI FSP

Please be aware many of our positions require the ability to obtain or maintain a U.S security clearance which requires U.S citizenship.

We win with inclusion

NS2 Mission's culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone - regardless of background - feels included and can run at their best. At NS2 Mission, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.

NS2 Mission is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with NS2 Mission and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: NS2Mission.Careers@sapns2.com.

Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, age, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.


APEX Expert Solutions is an Equal Opportunity/Affirmative Action Employer committed to employing and retaining a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex, sexual orientation, gender identity, age, status as a protected veteran, among other things, or status as a qualified individual with a disability.

 

Salary.com Estimation for Senior Software Developer in Chantilly, VA
$114,877 to $145,027
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