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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Sparko, Inc. - **Location:** Laurel, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), JavaScript (Programming Language), Amazon Web Services, Computing Platforms, Systems Engineering, Unit Testing, Cloud Computing, Software Quality, Computer Engineering, Electronic Data Interchange (EDI), Log Analysis, Software Engineering, Software Systems, Software Troubleshooting, Reliability of Systems, Backend, Information Technology, Restful APIs, Splunk - **Published:** September 13, 2026 - **Apply:** https://www.careerjet.com/job/us6979b2864ea5eedc865831c7357ab5df/eaa ## About the Role * Hands-on experience developing enterprise-grade software using Java and JavaScript. * Practical knowledge of designing and consuming RESTful APIs, including API integration and data exchange patterns. * Familiarity with Scala in a backend or service-oriented development context. * Experience using Splunk for log analysis, monitoring, and performance troubleshooting across multi-environment systems. * Demonstrated ability to write and execute unit tests, with an understanding of software testing best practices. * Skill in diagnosing and resolving defects across multiple deployment environments, including production. * Ability to translate technical designs into quality software solutions with strong attention to detail. * Comfortable working independently and as an effective contributor within a collaborative development team. * Strong organizational, time management, and multitasking skills, with the ability to manage competing priorities in a project-driven environment. * Candidates must be able to obtain and maintain a Public Trust clearance * Candidates must have lived in the United States 3 out of the past 5 years PREFERRED EXPERIENCE: * Experience supporting Federal Government, CMS, or other highly regulated healthcare systems. * AWS Certified Cloud Practitioner, AWS Developer Associate, AWS Solutions Architect Associate, or equivalent cloud certification preferred., * Bachelor's degree in Computer Science, Software Engineering, Information Technology, Computer Engineering, or a related technical discipline. ## Description The Senior Software Developer plays an integral role in designing, developing, and configuring software systems that support reliable digital service delivery for federal programs. Working across the full development lifecycle - from requirements analysis and design through implementation, quality assurance, and maintenance - this position bridges technical execution with cross-functional collaboration. You will partner with Business Analysts to assess design gaps and surface functionality improvements, delivering Java and JavaScript-based solutions that align with technical design specifications and evolving stakeholder needs. Day-to-day work spans building RESTful APIs, executing unit tests, and leveraging Splunk to monitor and troubleshoot complex multi-environment systems. Your contributions directly support the stability and quality of software platforms that serve the people who depend on them. * Design, develop, and configure software components in alignment with technical design specifications and project requirements. * Build Java/Scala-based RESTful APIs that address functional requirements and support scalable system performance. * Partner with Business Analysts to identify design gaps and recommend improvements to system functionality. * Produce effort estimates for new features, enhancements, and change requests to inform project planning and delivery timelines. * Create and execute unit tests for developed components, ensuring code quality and adherence to design standards. * Troubleshoot defects and operational issues across development, staging, and production environments to maintain system reliability. * Apply knowledge of technologies, methodologies, and tools to support project delivery goals and contribute to continuous improvement., MANTECH is seeking a motivated, career-driven, and customer-focused Senior Systems Engineer to join our team in Laurel, MD. 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