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Senior Software Engineer (SWE-3)

LeidosBurtonsville, MD🇺🇸United StatesPosted 20 Jul 2026

Quick Overview

Salary
$107.9k - $195.1k/yr
Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior

Job Description

Senior Software Engineer | Burtonsville, MD, United States | Hybrid | $107,900.00 - $195,050.00

We are hiring for a highly respected organization at the forefront of national security innovation. This employer is known for pushing the boundaries of technology to solve complex global challenges through rapid prototyping, advanced research, and the development of cutting-edge analytic tools. They foster a collaborative, fast-paced environment where developers can significantly impact critical missions.

The Role

  • Develop custom analytics at scale for critical national security challenges.
  • Work closely with data scientists and mission analysts to prototype, develop, integrate, test, and deploy innovative solutions.
  • Create advanced analytic tools to further discovery and tradecraft within a customer's corporate architecture.
  • Operationalize data science by delivering user-focused analytic tools.
  • Perform end-to-end software engineering across the development lifecycle.

What You'll Need

  • Bachelor's degree with 11+ years of relevant experience, or equivalent.
  • Strong experience with Jupyter Notebooks, Java MapReduce, and Python PySpark.
  • Proficiency with customer tools, architecture, data flow, and big data concepts.
  • Experience with Agile methodologies, Jira, Confluence, and Gitlab.
  • Must possess an active TS/SCI with Polygraph security clearance.
  • Desirable experience with Data Science, ML, AI, and Large Language Models (LLMs).

What's On Offer

  • Competitive salary range: $107,900.00 - $195,050.00.
  • Opportunities for technical upskilling and continuous learning.
  • Flexible scheduling options and immediate vesting in 401K with a 6% company match.
  • A mission-driven environment that allows for significant professional impact.
  • Comprehensive benefits package including Paid Time Off, 11 holidays, and parental paid leave.

Apply via Haystack today!

Skills

Agile
Confluence
Java
Jira
Jupyter
Python

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