Senior Software Development Engineer Jobs in Pasadena, MD

Location: Annapolis Junction, MD
Clearance: TS/SCI with Polygraph required
Work Type: On-site
Salary: $190,000-$198,000

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.

• 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.

• 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.

• 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.

• 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.

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.