Senior Software Engineer - Fullstack (Ruby on Rails)

Accountabilities:

As a Senior Software Engineer, you will design, build, test, and maintain full-stack applications while ensuring technical quality, security, and accessibility. Your responsibilities will include:

• Translate business objectives and user needs into effective technical solutions using Ruby on Rails and modern web technologies.

• Design, develop, and maintain responsive, accessible, user-facing features using React and other front-end technologies.

• Build and integrate RESTful APIs that support front-end functionality and reliable application performance.

• Contribute throughout the product lifecycle, including backlog refinement, development, testing, documentation, deployment, and delivery.

• Develop secure, scalable, and maintainable cloud-based applications for federal government clients.

• Work within cloud-based Continuous Integration and Continuous Delivery (CI/CD) environments, including deployment workflows using tools such as AWS CLI.

• Apply test-driven development (TDD) and behavior-driven development (BDD) practices to improve code quality and reliability.

• Write and maintain automated tests using frameworks such as RSpec, Mocha, Jasmine, or equivalent tools.

• Participate in pair programming, code reviews, retrospectives, and other Agile ceremonies to support continuous improvement.

• Collaborate with product managers, designers, user researchers, architects, and engineers to deliver solutions aligned with business goals and user needs.

• Apply sound engineering practices across infrastructure, monitoring, and observability to support application stability and performance.

Requirements:

The ideal candidate is an experienced full-stack engineer who combines strong Ruby on Rails expertise with modern front-end development skills and a commitment to delivering reliable, user-focused software. Required qualifications include:

• At least 8 years of professional software development experience.

• At least 4 years of professional Ruby on Rails development experience.

• Strong front-end development experience using React.

• Proven experience working effectively within Agile development teams.

• Experience deploying applications through CI/CD pipelines and working with cloud environments such as AWS.

• Experience with relational databases, including PostgreSQL, MySQL, or similar technologies.

• Solid understanding of object-oriented programming (OOP) principles and their practical application.

• Strong experience designing and developing RESTful APIs.

• Working knowledge of test-driven or behavior-driven development methodologies.

• A fundamental understanding of infrastructure, monitoring, and observability practices.

• Strong written and verbal communication skills, with the ability to collaborate effectively across multidisciplinary teams.

• A proactive, adaptable mindset and the ability to navigate ambiguity, evolving requirements, and changing priorities.

• Ability to obtain and maintain a Public Trust clearance.

• U.S. citizenship, as required for this federal government contractor position.

Preferred qualifications include:

• Experience delivering digital services for government or public-sector organizations.

• Familiarity with identity verification and authentication systems.

• Experience implementing accessibility-focused development practices.

• Experience collaborating closely with UX teams and incorporating research findings into product development.

• Knowledge of modern front-end architecture and performance optimization techniques.

Benefits:

• Competitive compensation: Salary determined at the time of offer based on experience, qualifications, and the level of the position. Multiple experience levels are considered under this evergreen requisition.

• Annual bonus opportunity: Additional earning potential through an annual bonus.

• Healthcare coverage: Medical, dental, and vision benefits.

• Paid time off: PTO to support personal time and work-life balance.

• Company-paid life insurance: Life insurance coverage provided by the employer.

• Retirement savings: A generous 401(k) matching program.

• Purpose-driven work: Opportunities to develop digital products that support public-sector missions and improve government services.

• Calm, sustainable work culture: An environment that prioritizes thoughtful execution, quality, and employee well-being over unnecessary urgency and excessive working hours.

• Collaborative teams: Work closely with multidisciplinary professionals who value knowledge sharing, accountability, and continuous improvement.

• Inclusive workplace: A commitment to diversity, equity, inclusion, and equal employment opportunities.

• Evergreen hiring process: Applications are accepted on an ongoing basis for current and anticipated needs. Applying does not guarantee an immediate opening or interview; qualified candidates may be contacted when a suitable opportunity becomes available.