Lead Ruby React Engineer Jobs (NOW HIRING)

Client Requirements: applicants MUST BE US Citizens and be able to obtain Public Trust clearance

At Capital Technology Group (CTG), our teams are passionate about modernizing how the federal government delivers software. We partner with federal agencies to build secure, scalable, and mission-driven solutions that make a meaningful impact on millions of people. Recognized by The Washington Post as a Top Workplace in 2025 and 2026.  CTG fosters a culture rooted in our core values. Our values guide how we work together and support one another, creating an environment where employees feel trusted, empowered, and encouraged to grow both personally and professionally.

CTG is seeking a Technical Lead specializing in Ruby and Ruby on Rails to support the design, development, and modernization of mission-critical federal software systems. This role is ideal for a senior technical leader who brings strong backend architecture expertise, systems thinking, and hands-on engineering experience to lead the development of scalable, secure, and maintainable applications across complex enterprise environments.

• Lead design, development, and modernization of enterprise software systems supporting federal mission needs
• Drive engineering efforts across the full software development lifecycle, from architecture through deployment
• Build scalable, secure, and maintainable backend applications using modern engineering best practices
• Architect and develop APIs using REST and GraphQL
• Lead system design discussions, architecture reviews, and technical decision-making
• Partner with product, architecture, DevSecOps, and infrastructure teams to deliver integrated technical solutions
• Troubleshoot complex application, integration, and system performance issues
• Contribute to cloud modernization, application refactoring, and platform engineering improvements
• Mentor junior and mid-level engineers while establishing engineering standards and best practices
• Support secure software delivery, code quality, testing automation, and CI/CD pipeline integration
• Translate business and mission requirements into technical implementation strategies

• A senior technical leader who enjoys solving complex engineering problems at scale
• Strong in backend architecture, distributed systems, and modern software engineering design
• Comfortable leading technical conversations and influencing engineering direction
• Collaborative, proactive, and solutions-oriented
• Passionate about building secure, high-quality software in mission-driven environments

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related field (or equivalent experience)
• 9+ years of professional experience in software engineering, including enterprise application development
• Technical leadership, mentoring, code reviews, and architecture ownership
• Strong hands-on experience with Ruby, Ruby on Rails, React, Java, Spring Boot, and REST APIs
• Experience designing distributed systems, microservices, integrations, and scalable enterprise applications
• Strong understanding of software architecture, system design, design patterns, and engineering best practices
• Experience building cloud-native applications in AWS/Azure
• Experience with CI/CD pipelines, automated testing, source control, and DevSecOps workflows
• Knowledge of secure software development principles, API security, and application security best practices
• Experience troubleshooting production systems, performance tuning, and operational support
• Strong communication and technical leadership skills

• Experience with containerization (Docker/Kubernetes), event-driven architecture, or serverless platforms
• Familiarity with Zero Trust principles and secure systems integration
• Experience supporting federal government agencies

We are committed to offering a competitive salary for this position, with an estimated range of $120k-$165k annually. Please note that this range is intended to provide a general idea of what to expect. The final offer may vary based on experience, skills, and other factors.