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YubHub-native raw fields carry `x-` prefix.","jobs":[{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_b4b33518-f04"},"title":"Software Engineer Sr Principal","description":"<p>GDIT is seeking a Principal Software Engineer to join our team.</p>\n<p>This challenging and interesting software engineering and development position is a chance to participate in the development and operation of a high-performance big data system, and join a longstanding, stable program consisting of a team of individuals using defined Agile software principles and practices.</p>\n<p>As a Senior Principal Software Engineer, you will lead and perform software requirements analysis, design, development, testing, maintenance and participate in research of an operational big data system. The Senior Principal Software Engineer focuses on proficiency and quality of software and application development and programming to deliver solutions to complex problems. You will tailor cutting-edge solutions to the unique requirements of our clients. Additionally, the Senior Principal Software Engineer may mentor and coach other software engineers.</p>\n<p><strong>Responsibilities:</strong></p>\n<ul>\n<li>Demonstrated understanding and technical expertise in applied software engineering concepts, principles and applications</li>\n<li>Experience with database technologies, SQL, ETL, indexing and performance including contextual data</li>\n<li>In-depth understanding of object-oriented and functional programming, design patterns, data structures and algorithms</li>\n<li>Proven ability to create high performance applications using Modern C++ (versions 11/14/17/20) applied in a Linux development environment</li>\n<li>Proven experience in scripting languages including Bash, Ruby and Python</li>\n<li>Experience with data modeling and NoSQL database technologies such as MongoDB</li>\n<li>Experience with parallel and multi-threaded programming and multi-process applications</li>\n<li>Proven experience with very large databases/big data/enterprise data warehouses</li>\n<li>Experience with memory architectures (NUMA) and caching</li>\n<li>Expertise in applying techniques for improving performance such as profiling, avoiding memory allocation/de-allocation, parallelization and algorithms</li>\n</ul>\n<p><strong>Benefits:</strong></p>\n<ul>\n<li>401K with company match</li>\n<li>Comprehensive health and wellness packages</li>\n<li>Internal mobility team dedicated to helping you own your career</li>\n<li>Professional growth opportunities including paid education and certifications</li>\n<li>Cutting-edge technology you can learn from</li>\n<li>Rest and recharge with paid vacation and holiday</li>\n</ul>\n<p>The likely salary range for this position is $161,500 - $218,500.</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">Job Data by <a href=\"https://yubhub.co\">YubHub</a>.</p>","url":"https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-VA-Oakton/Senior-Principal-Software-Engineer----Secret-Clearance-Preferred---Onsite-Required-_RQ219570","directApply":true,"hiringOrganization":{"@type":"Organization","name":"GDIT","sameAs":"https://www.gdit.com","logo":"https://logos.yubhub.co/gdit.com.png"},"x-apply-url":"https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-VA-Oakton/Senior-Principal-Software-Engineer----Secret-Clearance-Preferred---Onsite-Required-_RQ219570","x-work-arrangement":"onsite","x-experience-level":"senior","x-job-type":"full-time","x-salary-range":"$161,500 - $218,500","x-skills-required":["C++ STL","Data ETL","Data Warehouse","Linux Bash","Multithreaded Application Development","object-oriented programming","functional programming","design patterns","data structures","algorithms","Modern C++","scripting languages","Bash","Ruby","Python","data modeling","NoSQL database technologies","MongoDB","parallel programming","multi-threaded programming","multi-process applications","big data","enterprise data warehouses","memory architectures","caching"],"x-skills-preferred":["Azure Cloud development","Education: Bachelor's (4 year) degree in software engineering or related technical field","Experience with Azure Cloud development"],"x-benefits":["pension","health_insurance","dental","paid_leave"],"x-licences":[],"x-visa-sponsorship":"unknown","x-visa-sponsorship-text":null,"x-work-authorisation":"unknown","x-work-authorisation-text":null,"datePosted":"2026-11-01T01:54:15.554Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Oakton, VA"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"C++ STL, Data ETL, Data Warehouse, Linux Bash, Multithreaded Application Development, object-oriented programming, functional programming, design patterns, data structures, algorithms, Modern C++, scripting languages, Bash, Ruby, Python, data modeling, NoSQL database technologies, MongoDB, parallel programming, multi-threaded programming, multi-process applications, big data, enterprise data warehouses, memory architectures, caching, Azure Cloud development, Education: Bachelor's (4 year) degree in software engineering or related technical field, Experience with Azure Cloud development","baseSalary":{"@type":"MonetaryAmount","currency":"USD","value":{"@type":"QuantitativeValue","minValue":161500,"maxValue":218500,"unitText":"YEAR"}}}]}