Senior Software Engineer

Senior Software Engineer Location: Annapolis Junction, MD Clearance: TS/SCI with Polygraph Work Type: On-site Salary: $190,000-$198,000 Position Overview We are seeking an experienced Senior Software Engineer to support the development and maintenance of large-scale, distributed web applications. The successful candidate will design, build, deploy, and sustain robust, scalable systems using modern JavaScript, TypeScript, Python, cloud-native technologies, and DevOps automation practices. This role focuses on software architecture, backend systems, microservices, cloud deployment, and continuous delivery. The position also offers the opportunity to support complex security-focused engineering challenges in collaboration with technical researchers, analysts, and end users. Key Responsibilities Develop, maintain, and enhance large-scale distributed web applications using Node.js, TypeScript, JavaScript, and Python. Design scalable microservices and backend systems that support high-performance data processing and communication. Use DevOps automation tools and Infrastructure-as-Code practices to deploy and manage services in cloud environments. Build and maintain CI/CD pipelines to support secure, reliable, and repeatable software delivery. Collaborate with technical researchers, analysts, and end users to improve software tools and system capabilities. Apply software engineering best practices to complex technical and security-related projects. Participate in architecture discussions, design reviews, testing, deployment, and sustainment activities. Support application reliability, performance, scalability, and security throughout the software lifecycle. Required Qualifications Education and Experience Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline and eight (8) years of relevant experience; OR Four (4) additional years of directly related experience may be substituted for the degree requirement. Technical Qualifications Professional software development experience using JavaScript, TypeScript, and Python. Experience building and maintaining enterprise-grade distributed web applications and system architectures. Experience developing backend services, APIs, and microservice-based applications. Experience with DevOps automation, cloud service providers such as AWS, and Infrastructure-as-Code methodologies. Experience creating and maintaining CI/CD pipelines. Knowledge of modern software engineering practices, including version control, automated testing, and Agile development workflows. Experience developing software in secure or restricted computing environments. Familiarity with network configuration concepts and controlled development environments. Preferred Qualifications Experience or interest in software security, vulnerability analysis, reverse engineering, or secure software development. Knowledge of Android application architecture or mobile application security concepts. Experience with low-level programming using C or C++. Experience using debugging tools such as gdb or similar technologies. Familiarity with cloud-native architectures, containerization, and distributed systems. Experience collaborating with researchers, analysts, or specialized technical teams. Knowledge, Skills, and Abilities Strong software architecture and system design skills. Ability to develop scalable, reliable, and maintainable software solutions. Strong analytical and problem-solving abilities. Excellent written and verbal communication skills. Ability to work independently and collaboratively in a multidisciplinary technical environment. Strong attention to detail and commitment to software quality. Ability to manage multiple priorities in a fast-paced environment. Benefits This position includes a competitive and flexible benefits package, including: Medical Employer pays 100% of the monthly premium for the employee and 80% for the employee’s dependents. Health Savings Account (HSA) Save for all medical, dental, vision and prescription expenses by contributing pre‑tax money to an HSA account. Employer contributes 50% of the annual deductible (prorated to start date). Dental and Vision Employer pays 100% of the monthly premium for the employee and 80% for dependents. Life Insurance 100% company‑paid Life and Accidental Death & Dismemberment (AD&D) coverage offered to all full‑time employees. Short‑Term Disability 100% company‑paid short‑term disability. This benefit pays out 60% of earnings, with a $1,500 maximum for up to 12 weeks. Retirement Plan Automatic 6% of salary contributed to the company 401(k) plan, fully vested. Employee match encouraged but not required. Paid Time Off (PTO) & Holidays 5–6 weeks of PTO based on tenure with the company, in addition to 11 paid holidays. Tuition Reimbursement $5,000 annually for courses directly related to job role and responsibilities. Training Reimbursement Paid training, certification courses, and conferences to support employee career growth. We do not discriminate in employment on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non‑merit factor. #J-18808-Ljbffr Staffed4U