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Full time
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Senior Software Engineer (SWE-3)

LeidosHanover, MD🇺🇸United StatesPosted 18 May 2026

Quick Overview

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

Job Description

Senior Software Engineer | Hanover, MD, United States | Hybrid | $107,900.00 - $195,050.00 We're hiring for a leading technology and solutions provider serving government and commercial customers, known for its innovative digital and mission solutions. This organization fosters a culture of pushing boundaries and outthinking the status quo, driven by a mission to make a significant impact in national security. They offer a dynamic environment where challenging assignments enable professional and personal growth. The Role • Work directly with data scientists and mission analysts to solve complex strategic problems. • Perform end-to-end software engineering, including prototyping, development, integration, testing, and deployment of tools and tradecraft. • Create custom analytics to perform at scale, developing innovative tools for discovery and tradecraft. • Focus on operationalizing data science to deliver cutting-edge solutions for critical global challenges. • Collaborate in a fast-paced environment focused on rapid prototyping, new development, and advanced technology research. What You'll Need • Bachelor's degree plus a minimum of eleven (11) years of relevant experience. • Strong experience with Jupyter Notebooks, Java MapReduce, and Python PySpark. • Proficiency with statistical analysis, machine learning fundamentals, and customer-specific tools and architecture. • Experience with Jira, Confluence, Gitlab, and Agile methodologies. • Must possess an active TS/SCI with Polygraph security clearance. • Experience with software development processes from requirements analysis through maintenance. What's On Offer • Competitive salary range of $107,900.00 - $195,050.00. • Comprehensive benefits package including Paid Time Off and 11 paid holidays. • 401K with a 6% company match and immediate vesting. • Opportunities for technical upskilling, education, and training support. • Flexible scheduling and parental paid leave options. Apply via Haystack today!

Skills

Machine Learning
Agile
Confluence
Java
Jira
Jupyter
Python

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