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Back End Software Engineer (Top Secret Cleared)

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Before you apply
LocationSaint Louis, MO
Work modeon-site
Typefull-time
DepartmentClient Opportunities, Software Development Openings
Company size1,001–5,000 people
PostedOct 8, 2025 · 1y ago
Verified live1d ago
May no longer be actively hiring
Posted by the company on Oct 8, 202598% of this company's open roles have been listed for 90+ days
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At a glanceSummarised by Seekless from the posting.
Strong proficiency in Python
Experience with C# or Java
Active Top Secret clearance or higher
Skills
Python
C#
Java
SQL
NoSQL
Position Overview:
We are seeking a talented Back End Software Engineer to design, develop, and maintain scalable, secure, and high-performance server-side applications. The ideal candidate will have strong proficiency in Python and experience working with C# or Java, enabling effective collaboration across diverse projects and technology stacks. This role involves working closely with front-end developers, DevOps engineers, and product teams to deliver efficient and reliable software solutions.
Active Top Secret clearance or higher is required
Responsibilities:
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Design, build, and maintain robust, scalable, and efficient back-end systems and APIs.
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Develop new features and enhance existing services using Python and C# or Java.
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Collaborate with cross-functional teams to define, design, and ship new features.
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Optimize applications for maximum performance, reliability, and scalability.
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Implement and maintain database schemas, queries, and data models (SQL and NoSQL).
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Ensure code quality through peer reviews, automated testing, and CI/CD practices.
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Write clear, maintainable, and well-documented code.
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Participate in architectural design discussions and technical decision-making.
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Troubleshoot, debug, and resolve production issues in a timely manner.