Senior Full Stack Software Engineer

Description

The company is a wholly owned subsidiary of a larger technology firm. It delivers agile IT and intelligence solutions, combining small-team flexibility with global reach.

You will join a multidisciplinary team that designs, builds, deploys and sustains software and data capabilities for government customers.

You will work across the full stack, building analytic frontends, production APIs, data integration services, reporting interfaces and data layers that turn complex data and analytic methods into dependable tools for critical needs.

You will work with analysts, data scientists and technical specialists to solve hard problems, prototype applications quickly and move proven work into maintainable operational software.

The work supports the Department of War's mission to keep the nation safe and secure. The parent company has about 26,000 staff across more than 50 countries.

Responsibilities

• Write clean, maintainable and efficient Python that follows best practices and coding standards.
• Build and maintain analytics web apps, dashboards and user-facing analytics using Streamlit or similar tools.
• Create interactive data products that let users explore, visualize, filter and interpret complex datasets.
• Build and connect backend services, APIs and data access layers using Python frameworks such as FastAPI or similar.
• Help ingest, transform, validate and aggregate data so that analytics stay accurate and timely.
• Work with Postgres and MySQL, protecting data integrity and designing efficient queries.
• Partner with data analysts, data engineers and stakeholders to turn requirements into practical analytics solutions.
• Build reusable software components and data services for reporting, visualization, workflow automation and operational analytics.
• Support CI/CD pipelines and Docker-based container deployments for repeatable builds and reliable releases.
• Manage code with Git version control.
• Apply engineering practices that improve scalability, maintainability, testability and reliability.
• Make sure solutions meet required security, quality and compliance standards.
• Take part in every stage of the software lifecycle, from concept and design through testing, deployment, sustainment and enhancement.
• The listed duties are not exhaustive.

Requirements

• Ability to work well both with a team and on your own in a busy setting.
• Experience writing clean, maintainable and efficient Python.
• Hands-on experience building software for data analytics, reporting, dashboards or operational data products.
• Front-end development experience with Streamlit or similar tools for interactive analytics.
• Working knowledge of web technologies, RESTful APIs, containerization, backend services and user interface development.
• Experience building and maintaining backend solutions with Python frameworks such as FastAPI or similar.
• Familiarity with relational databases such as PostgreSQL and MySQL.
• Experience writing SQL for analytics, reporting and application features.
• Understanding of data quality, validation, transformation and basic data modeling.
• Experience with Docker. Kubernetes experience is a plus.
• Familiarity with CI/CD pipelines and repeatable deployment practices.
• Proficiency with Git for version control.
• Hands-on full stack development experience and an understanding of the software development life cycle.
• 5+ years of related experience.
• Bachelor's degree in Computer Science, Software Engineering or a related field, or equivalent experience.
• No certifications are required.
• Desired: experience developing analytics dashboards, operational reporting tools or mission-focused data applications.
• Desired: experience with visualization libraries or platforms such as Streamlit, Superset or similar tools.
• Desired: familiarity with ETL workflows, data pipelines or automated data processing jobs.
• Desired: familiarity with cloud data platforms, managed databases, object storage or cloud deployment environments.
• Desired: experience working with data from multiple source systems.
• Desired: familiarity with data governance, metadata management, access control and data security practices.
• Desired: experience troubleshooting application, database or query performance issues.
• Desired: ability to turn stakeholder requirements into technical tasks and user-facing analytics capabilities.
• Desired: strong problem-solving skills and the ability to explain technical concepts to both technical and non-technical audiences.

Conditions

The role is onsite in Crystal City, VA. The listing also gives Arlington, VA as the location.

Scheduled hours are 40 per week.

Travel is 10-25%, including CONUS travel of up to 60-90 consecutive days a year.

Only US citizens are eligible, due to US Government contract requirements.

You must currently hold an active Top Secret/SCI clearance, or be able to obtain Top Secret SCI plus a CI polygraph. No public trust or other clearance is required.

The likely salary range is $123,250 to $166,750. This is not a guarantee. Pay is set by experience, geographic location and possibly contract requirements, and may fall outside this range.

Hiring includes an identity verification process using biometrics and AI. Virtual interviews require you to be on camera. The company may take your picture to verify identity and prevent fraud, and by proceeding you authorize the collection and use of your biometric data for identity verification and security.

The company is an equal opportunity employer that welcomes individuals with disabilities and protected veterans.

Benefits

• Broad benefits and wellness coverage, competitive pay and paid time off.
• 401(k) with company match, with pre- and post-tax contributions up to IRS limits.
• Medical plans, some with Health Savings Accounts, plus dental and vision plans.
• Flexible work weeks where possible, plus vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• Short- and long-term disability, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance, provided or available.
• An AI-powered career tool that suggests career steps and learning opportunities.
• An internal mobility team to help you reach your career goals.
• A military-friendly workplace.