Top Ruby Jobs in Washington, DC

Lead the Customer & Application team, manage engineers, coordinate development efforts, drive Agile processes, and mentor team members for continuous improvement.

Manage a high-performing software engineering team, driving product roadmap and technical direction, while ensuring quality, performance, and innovation.

The role involves ensuring software reliability and performance, managing incidents, developing infrastructure automation, and mentoring junior engineers within a platform team.

The Staff Site Reliability Engineer will manage large-scale cloud production systems, ensuring reliability and performance, while automating processes and responding to incidents.

Lead technical direction for the ControlCheck team, design cross-domain systems (frontend, backend, infra), drive architectural decisions for Ruby on Rails and FastAPI services, de-couple and scale microservices, debug distributed systems, mentor senior engineers, coordinate cross-team dependencies, and influence engineering roadmaps without direct people management.

Lead design and scaling of content ingestion, metadata, and processing systems. Build reliable pipelines handling messy formats, collaborate with ML, security, and product teams, mentor engineers, and drive platform and AI/LLM integration for content workflows and quality.

Design and implement features for content ingestion pipelines, metadata services, and content processing workflows. Build reliable, observable services that handle diverse file formats, malformed inputs, retries, and asynchronous workflows. Collaborate with ML, Search & Discovery, and Product to improve metadata extraction, classification, and discoverability while leveraging LLM-based tools and AI-driven practices.

The Senior Site Reliability Engineer will enhance the Splunk ecosystem and develop an Observability Platform by automating infrastructure and managing complex distributed systems, while optimizing log collection and incident response.

The Senior Site Reliability Engineer is responsible for maintaining Wikimedia's infrastructure, improving reliability, automating processes, and collaborating with teams. The role involves troubleshooting, managing deployments, and leading incident responses while working remotely.

The Staff Engineer will lead the Systems team, design scalable cloud infrastructure, optimize data pipelines, and ensure platform reliability and security.

The Engineering Manager will mentor a team of engineers, improve processes, collaborate with product managers, and define staffing strategies.

Lead design and implementation of scalable backend systems that ingest, process, and serve high-volume health data. Own projects end-to-end, drive integrations with third-party APIs, improve data reliability and observability, mentor engineers, and partner with product, clinical, and data teams to deliver clinically meaningful insights.

Design and build scalable web applications and RESTful APIs in C# (.NET/.NET Core). Develop front-end UIs with React/HTML5/CSS3/JavaScript, implement microservices, NoSQL and SQL databases, use containers/Docker and CI/CD pipelines, and write automated tests. Participate in complex system design and implementations.

Design, build, and maintain Ruby on Rails APIs and React frontends; architect and optimize PostgreSQL schemas and queries; manage Docker/Kubernetes services and Terraform IaC; implement PKI/mTLS and secure authentication; solve offline data serialization/synchronization; own CI/CD pipelines and support mission-critical field deployments.

Build and iterate on Growth product features and platforms to improve user activation and developer onboarding. Run A/B experiments, collaborate with Product and Design, write well-tested code, contribute to engineering best practices, and help scale event-driven infrastructure and growth tooling.

Lead a DevOps team to design, implement, and improve CI/CD, IaC, and cloud-native deployments (Kubernetes/AWS). Build automation, ensure scalability/high availability, enforce best practices, collaborate across teams, and support secure deployment to US Government classified environments.

Build and maintain full-stack Finance and Business Systems with Ruby on Rails. Own architecture, coding, automated tests, DB tuning, deployments, and production support. Partner with Finance, Operations, and Engineering to create auditable, correct, and actionable unit-economics instrumentation. Participate in on-call rotation, hiring, and documentation.

Lead the Payments Team by architecting and maintaining high-performance backend services, addressing complex engineering challenges, and mentoring engineering talent.

The Senior Software Engineer will work on full-stack deliverables, manage support tickets, and enhance the tech stack for improved efficiency, focusing on analytics and automation in OOH advertising.

As a Senior Staff Engineer, you will lead technical vision and architectural direction for Payments Compliance, ensuring scalable and cohesive compliance systems while partnering with cross-functional teams to navigate regulatory requirements.

The QA Manager will oversee QA teams, manage testing strategies, review deliverables, and ensure appropriate testing tools are utilized.

Develop and maintain integrations between third-party content providers and enterprise LMS/LXP platforms. Implement new integrations (catalog sync, xAPI completion tracking), handle partner-specific auth (OAuth2, SAML2, SFTP), debug sync/auth/completion issues, improve retry/error handling and observability, and ensure catalog and completion data meet partner API specifications within an existing Rails integration framework.

As a Software Engineer at MerusCase, you will develop and enhance software features, collaborate with teams, troubleshoot issues, and uphold coding standards while mentoring junior engineers.

Build, maintain, and troubleshoot backend integrations between Hudu and third-party PSAs, RMMs, and identity providers. Implement OAuth and other auth flows, design background job processing (Sidekiq) at scale, write and test backend code, monitor performance, and improve platform/billing infrastructure. Document code, collaborate with teams, and use AI-assisted tooling to accelerate integration work.

Develop and maintain Rails/React applications and cloud-native data architectures. Build data models, SQL pipelines (MySQL, Snowflake), integrate AI-assisted coding tools, create tests, and collaborate in Agile/Scrum with product owners to define data requirements.