Top Ruby Jobs in Washington, DC

Develop and maintain automated testing tools and frameworks for complex healthcare software. Create test plans, execute white-box, black-box, UI, API, and performance testing, identify defects and testing gaps, improve CI/CD processes, and collaborate with product managers and developers to support high-quality releases. The role also involves debugging code, participating in demos, and working with distributed teams in a remote environment.

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.

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.

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.

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.

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

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.

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 responsible for frontend and backend development using React and server-side frameworks (Elixir, Ruby, Node, Python). Must be expert in mobile development, work with modern frontend tooling, and contribute to product conception, design, and production for a Washington, DC-based team.

Own reliability, monitoring, and incident response for AI infrastructure; build automation and CI/CD tooling; manage Kubernetes/Docker production workloads; partner with infrastructure, security, and compliance; improve observability and documentation; develop internal full‑stack tooling in Go or Python.

Lead architecture and delivery across Rails backends and React frontends, build Node.js and NestJS platform integrations, establish testing and code-quality standards, mentor engineers, review code, and improve reliability, performance, and developer experience. The role requires technical ownership across multiple backend technologies and leadership in AI-assisted development practices.

Lead and build the deployment engineering function to operate mission-critical software in accredited, air-gapped, and high-side environments. Own full deployment lifecycle across cloud, on-prem, and disconnected networks; manage Kubernetes/OpenShift and Linux infrastructure; build CI/CD and IaC workflows; integrate security tooling; diagnose and prevent production issues; produce ATO-related artifacts and maintain compliance.

Lead, coach, and grow a team of 5-10 software engineers; prioritize and drive application development and support; define and execute the application roadmap; ensure scalable, performant, maintainable designs; champion code quality, CI/CD, automated testing, and agile practices; communicate with leadership and stakeholders.

Design, develop, test, deploy, maintain, and enhance software solutions. Manage priorities and deliverables, participate in design reviews, perform code reviews, triage and debug issues, contribute documentation, and collaborate in cross-functional agile teams to build scalable web applications.

Developers will work on Salesforce projects, gathering requirements, configuring applications, and managing deployments. Training provided in Salesforce technologies.

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

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

Build and maintain resilient backend systems, participate across the product development lifecycle, collaborate with product and design, raise engineering standards, think through system lifecycles and failure modes, and contribute broadly at an early-stage fintech. Work primarily with backend technologies (Go preferred) and cloud/datastore tools.

Lead Shopify projects, oversee development and integrations, guide engineers and ensure high-quality execution for clients' commerce needs.

Develop and maintain Ruby and Rails applications, write Bash scripts, troubleshoot performance and multithreading issues, optimize SQL/MySQL queries, administer Unix/Linux/Solaris servers, and collaborate in Agile teams. Participate in API and SOA development and use source control (SVN/Git).

Contract 6-month full‑stack role building and shipping web applications. Develop UIs in React, back-end services in Python/Ruby/Node, work with SQL, collaborate with engineers, data scientists and product managers, review/debug code, follow best practices, prototype solutions, and integrate AI/ML tools.