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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Developer - **Company:** Synertex LLC - **Location:** Herndon, VA, United States - **Experience:** Expert - **Salary:** $137,000.0 - $200,200.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), Agile Methodology, Artificial Intelligence, Ajax (Programming Language), HTML5, Automation of Tests, Big Data, Data Integration, Data Structures, Distributed Systems, JQuery, Python (Programming Language), Machine Learning, Object-Oriented Software Development, Software Engineering, SQL Stored Procedures, SQL Databases, SQL Server Integration Services, Transact-SQL, Extensible Markup Language (XML), Concurrency, Parallel Computation, Reliability of Systems, AngularJS, Information Technology, Data Management, Asynchronous Programming, Restful APIs, Web Api, Microservices - **Published:** July 10, 2026 - **Apply:** https://www.careerjet.com/jobad/us585a5d53fd9a1f672895658b122d7ad4 ## About the Role * Minimum 5 years of software development experience * Bachelor's degree in Computer Science or related discipline * Proficiency in object-oriented design, algorithms, and data structures * Experience with: * REST-style Web API platforms * Client-side development (JavaScript, Angular 4, HTML5/XML) * SQL/T-SQL, stored procedures, and data integration via SSIS * Asynchronous programming, parallel processing, concurrency, and security * Software engineering lifecycle best practices * Strong collaboration and communication skills * Ability to work independently and in Agile environments * TS/SCI clearance with CI Polygraph, * Experience supporting DoD or DIA missions * Familiarity with the MARS, MIDB, or OB intelligence domains * Additional training or certifications in cybersecurity, cloud platforms, or advanced analytics * Experience developing solutions for Space/Counterspace or Intelligence Mission Data (IMD) systems Join a mission-driven team advancing defense intelligence capabilities through scalable data platforms and advanced analytics. Apply today and become part of Synertex's legacy of innovation, leadership, and excellence. ## Description Join Synertex and bring your expertise to a mission that matters. We're looking for a Senior Software Developer with a background in full-stack software engineering and distributed systems to support critical defense and intelligence initiatives. If you're passionate about innovating through AI, ML, and big data to support national security and thrive in a collaborative, Agile, and mission-driven role-this opportunity is for you. RESPONSIBILITIES * Design, develop, test, and implement secure, distributed microservices using object-oriented programming languages * Collaborate within Agile teams to build scalable, user-centered modules for the MARS program (OB, IMD, S/CS modules) * Develop RESTful web services and support implementation/hosting using instancing and throttling models * Enhance user interfaces using JavaScript, jQuery, Angular 4, Ajax, and HTML5/XML * Write and optimize SQL queries, T-SQL stored procedures, views, and SSIS packages * Create technical diagrams, high-quality code, and automated test scripts to support development and integration * Partner with product owners and stakeholders to ensure alignment with mission and technical objectives * Participate in planning, design, and development discussions to drive continuous improvement * Ensure system reliability, uptime, and maintainability through operational excellence, MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in Herndon, VA. 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