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Senior Application Developer

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Onsite

Senior Application Developer

Markon

Senior Application Developer

Skills

Big DataPythonJavaGitLabData AnalysisMachine LearningJiraConfluencePySpark

2 months ago

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Important information


Contract type:

Permanent

Salary:

$120,000 / year

Location:

Annapolis, MD, USA

Work mode:

Onsite

Published on:

1 September 2026

What they need


Description

PLEX Solutions, A Part of Markon is looking for a motivated Senior Application developer to create custom analytics to perform at scale. The Senior Application Developer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science.

Responsibilities

  • Mission Focus: Work directly with data scientists as well as mission analysts to solve the most demanding strategic problems; perform software engineering to prototype, develop, integrate, test, deploy and maintain tools and tradecraft into the customer's corporate architecture.
  • Technical Proficiency: Experience with Jupyter Notebooks, GM, Java, Python, PySpark.  Experience with customer tools, architecture, data flow, and use of big data.  Familiarity with machine learning fundamentals and data analysis.  Experience with Jira, Confluence, Gitlab; familiarity with Agile methodologies

Qualifications

  • Active TS/SCI with Polygraph is required
  • Bachelor's degree in a related technical field is required
  • Minimum of 5+ years of relevant experience or equivalent
  • Experience with Jupyter Notebooks, GM, Java, Python, PySpark.
  • Experience with customer tools, architecture, data flow, and use of big data.
  • Familiarity with machine learning fundamentals and data analysis.
  • Experience with Jira, Confluence, Gitlab; familiarity with Agile methodologies

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.

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