Hiring.Camp

Senior Application Developer

Markon

·

Aug 31, 2026

Salary
$120k – $200k
Location
Annapolis Junction, MD, US
Type
Full-time
Department
Engineering
Seniority
Senior
Education
Bachelor
Clearance
Required
Closing date
Today
Source
iCIMS

Description

Description

Markon is seeking a motivated Senior Application Developer to support an Intelligence Community customer. This role will design, develop, and deploy scalable applications and custom analytics to address complex mission challenges. The position will work closely with data scientists and mission analysts to develop innovative analytic tools, advance data discovery and analytic tradecraft, and operationalize data science solutions within the customer's enterprise architecture.

 

Responsibilities

  • Collaborate with data scientists and mission analysts to develop innovative software solutions addressing complex strategic and operational challenges.

  • Design, prototype, develop, integrate, test, deploy, and maintain custom analytic applications and tools.

  • Integrate software solutions and analytic tradecraft into the customer's existing architecture and operational workflows.

  • Develop scalable applications to process, analyze, and manage large datasets.

  • Leverage Jupyter Notebooks, Java, Python, and PySpark to develop and support analytic capabilities.

  • Support the integration and operationalization of machine learning models and data science workflows.

  • Collaborate with technical teams to improve application performance, scalability, and reliability.

  • Participate in Agile development activities, code reviews, testing, and continuous improvement initiatives.

  •  
 

Qualifications

  • Active TS/SCI clearance with Polygraph required.
  • Bachelor's degree in a related technical field required.
  • 5+ years of relevant experience or equivalent.
  • Experience with Jupyter Notebooks, GM, Java, Python, and PySpark.
  • Experience with customer tools, architecture, data flows, and big data technologies.
  • Familiarity with machine learning fundamentals and data analysis.
  • Experience with Jira, Confluence, and GitLab.
  • Familiarity with Agile software development methodologies.
  • Strong analytical, troubleshooting, and communication skills.
  •  

Salary Range

USD $120,000.00 - USD $200,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Overview

Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.

 

At Markon, we don't just offer jobs – we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.

 

Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

 

Markon values people and the tremendous impact each individual can make – which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters – bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.

 

Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.

 

Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.

Skills

PythonJavaMachine LearningData ScienceGitLabJiraConfluenceAgileProject Management

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