Top Ruby Jobs in Washington, DC

Designs and implements scalable software architecture and web-based systems using Java EE and related technologies. Responsibilities include developing front-end and backend functionality, evaluating tools and designs, troubleshooting, conducting root-cause analysis, collaborating with QA and project teams, participating in code reviews, documenting solutions, mentoring engineers, and serving as a technical lead across multiple projects.

Design, build, test, deploy, and support scalable backend applications across the full software development lifecycle. Collaborate with product, UX, nutrition, vendors, and business stakeholders to define solutions and interfaces. Solve complex architectural problems, refactor code, mentor engineers, communicate technical direction, and develop distributed systems using cloud, big-data, and backend technologies.

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

Design and operate cloud platforms supporting backend telecom services. Automate deployments, scaling, recovery, and infrastructure provisioning; monitor production systems; maintain observability, alerting, and dashboards; support incident response and on-call operations; manage CI/CD pipelines; and enable engineering, telecom, and data teams through reliable tools and infrastructure.

Improve AWS production infrastructure reliability, observability, performance, and operational maturity. Build Terraform infrastructure, enhance CI/CD, automate operational work, manage incident response and on-call operations, lead postmortems, improve application resilience, support capacity planning and database reliability, and collaborate on security hardening and compliance. Mentor engineers and promote reliability practices across the organization.

Leads technical direction and develops fullstack purchase experiences using Ruby on Rails and Vue.js. Designs resilient transactional flows, integrates billing and CRM systems, improves reliability and rollout safety, mentors engineers, reviews code, reduces technical debt, and participates in incident response. Partners with Product, Design, Billing, and Support to improve GitLab’s purchase, subscription, discount, and upgrade workflows.

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

Lead hands-on full-stack development for Ruby on Rails, TypeScript, and React applications. Shape technical direction, design reliable APIs and data flows, optimize relational database performance, and deliver responsive front-end experiences. Lead projects end to end, mentor engineers, review and refactor code, collaborate cross-functionally, and explore AI-assisted engineering and LLM automation while protecting sensitive healthcare data.

Build and maintain full-stack Ruby on Rails and React applications for defense and logistics operations. Responsibilities include designing APIs and data models, developing multi-source ingestion pipelines, creating data visualizations, deploying services on Kubernetes, implementing observability and security, optimizing disconnected-environment performance, and collaborating with product and design teams. The role also involves architecture discussions, technical documentation, testing, code reviews, and integration with secure DoD systems.

Leads and mentors a global engineering organization building and scaling an AI-driven offensive security SaaS platform. Owns technical vision, architecture, engineering standards, quality, security, resiliency, and delivery efficiency. Partners with product and senior leadership, drives AI-assisted development and DevSecOps practices, and recruits and retains high-performing teams while overseeing product improvements and new offerings.

Staff Software Engineer responsible for technical strategy, architecture, complex feature design, implementation, scalability, and greenfield development. The role mentors engineers, leads design and code reviews, drives technical alignment, addresses technical debt, participates in hiring, and remains a hands-on contributor to full-stack enterprise software development using technologies such as PHP, Laravel, Vue.js, and MySQL.

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.

Own end-to-end delivery of platform initiatives, designing scalable infrastructure, APIs, gateways, backend services, self-service tooling, and automation. Evaluate and implement AI agents and workflows within developer tooling, improve reliability and engineering productivity, lead technical design reviews, mentor engineers, and influence cross-functional stakeholders. The role requires operating complex production systems across Ruby/Rails, Python, Rust, React/TypeScript, GraphQL, and cloud infrastructure.

Build and evolve Nexus interfaces across Temporal SDKs, integrating language runtimes with durable, deterministic workflow execution. Design APIs, implement concurrent distributed-system features, support multiple programming languages, collaborate with open-source communities, debug complex issues, and document technical concepts. The role also contributes foundational runtime capabilities for agentic AI systems and requires occasional coworker travel.

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

Design, develop, and maintain secure integrations across NetSuite, Coupa, Leapfin, and other enterprise systems. Build iPaaS workflows, custom connectors, webhook and event-driven automations, bulk synchronization processes, monitoring, error handling, and retry mechanisms. Translate finance requirements into technical specifications and data mappings, support implementation projects, document architectures, and maintain audit readiness. Apply AI-powered tooling to automate finance operations while ensuring compliance, security, and reliable handling of sensitive financial data.

Lead infrastructure modernization and platform reliability across multiple cloud providers. Design infrastructure as code, operate Kubernetes and Linux environments, improve CI/CD and deployment tooling, establish SLI/SLO practices, strengthen observability, lead incident response, manage cloud costs, and partner on security and compliance. Provide technical leadership through architecture guidance, mentorship, engineering standards, and roadmap development while participating in on-call support.

Provides enterprise software architecture leadership, governance, and technical direction. Designs scalable, secure, highly available platforms, APIs, frameworks, and distributed systems; guides modernization from monoliths to microservices; evaluates emerging technologies; supports architecture and code reviews; analyzes performance and operational metrics; and communicates recommendations to technical and business stakeholders.

Build and automate infrastructure while supporting migration to AWS. Develop internal engineering and AI-agent tooling, architect secure and highly available applications, modernize WordPress systems, troubleshoot complex environments, and provide rotating 24/7 on-call support. The role also requires designing AWS multi-account strategies, developing CI/CD pipelines, applying specification-driven development, monitoring systems, forecasting cloud costs, and supporting scalable web applications.

The Senior Software Engineer will lead the development of payment systems, oversee key subsystems, mentor engineers, and ensure high-quality code and architectural standards while collaborating with cross-functional teams.

Lead technical direction and delivery for order management systems supporting checkout, order lifecycles, fulfillment orchestration, and partner integrations. Design reliable distributed services and workflows, make architectural tradeoffs, and improve scalability, correctness, observability, testing, and operational readiness. Partner cross-functionally to define scope and outcomes, lead incidents and remediation, manage launches, and mentor engineers. Work across Go, Ruby on Rails, PostgreSQL, AWS, Kafka, Temporal, Datadog, and AI-assisted development tools.

The QA Tester will develop and execute quality assurance testing, create test plans and cases, and collaborate with IT teams to ensure product quality.

Build and deploy applications and prototypes on AWS, own and maintain code, set up tests and monitoring for data pipelines, and collaborate with Data Scientists and Engineers to create datasets, experiments, and supporting technology.

Full‑stack developer role focused on mobile and web products. Build front-end interfaces with React and tooling (Flux, Webpack, Sass) and server-side services using Ruby/Rails, Elixir, Node, or Python/Django. Participate in product conception, design, and production within a Washington, DC team for a growing restaurant brand.

Full Stack Developer building and maintaining front-end and back-end systems for a growing restaurant brand. Work includes mobile development, modern front-end tooling (React, Flux, Webpack, Sass), and server-side work with Elixir, Ruby on Rails, Node, or Python/Django. Contribute to product conception, design, and production in a collaborative team based in Washington, DC.