Top Ruby Jobs in Washington, DC

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.

Technical leader responsible for architecting, building, and scaling the developer portal and PaaS. Drive architectural direction, write and review code, mentor engineering teams, collaborate with SRE and stakeholders, evaluate new technologies, troubleshoot complex issues, and improve engineering processes and platform reliability.

Build, maintain, and operate Ookla’s globally distributed infrastructure platform at massive scale. Responsibilities include managing cloud instances, containers, serverless applications, databases, streaming systems, and big-data tooling; supporting 24/7 production operations and on-call rotations; implementing security programs; improving deployment pipelines, monitoring, observability, and reliability; and guiding software and data engineering teams on operational best practices and troubleshooting.

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.

Design and build web applications supporting member enrollment, including eligibility verification, benefit matching, signup, and activation. Write tested, maintainable code; design scalable APIs; participate in architecture and technical decisions; use AI coding agents throughout development; collaborate with Product and Marketing; monitor system reliability; and participate in on-call support for the enrollment pipeline.

Lead customers in observability strategy, telemetry schema design, sampling, instrumentation, and SRE practices. Build and ship production instrumentation, SLOs, and dashboards; mentor engineering teams; troubleshoot technical and sociotechnical issues; create enablement content; and represent customer insights internally. The role combines long-term technical advisory work with hands-on delivery across cloud platforms, infrastructure, CI/CD, and distributed systems.

Leads architects and defines enterprise architecture strategy across consumer banking platforms. Provides technical direction, mentorship, and oversight; aligns technology solutions with business objectives; presents to architecture boards and executives; and drives product, solution, modernization, cloud, integration, resilience, and investment strategies across the organization.

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.

Design, develop, and implement scalable software solutions and modern applications for consumer banking. Collaborate in an Agile environment, contribute to architectural and design decisions, build distributed service-based components, and incorporate scalability, manageability, and maintainability. The engineer will work across multiple initiatives, collaborate with teammates, mentor engineers, and help deliver consumer-facing products.

Build and maintain full-stack features across Ruby on Rails, React, and Flutter. Own work from architecture through production deployment, translate ambiguous user needs into pragmatic solutions, make architectural decisions, improve reliability and performance, address technical debt, resolve production issues, mentor teammates, and help establish engineering standards in a remote-first startup environment.

Build and maintain full-stack features across Ruby on Rails, React, and Flutter. Own work from architecture through production deployment, translate user needs into pragmatic solutions, make architectural decisions, improve reliability and performance, address technical debt, resolve production issues, mentor teammates, and help establish engineering standards in a remote-first startup.

Build and maintain full-stack features across Ruby on Rails, React, and Flutter. Own architecture, development, deployment, reliability, and performance of critical systems. Translate user needs into pragmatic solutions, address technical debt, mentor teammates, contribute to engineering standards, and resolve production issues. The role requires strong backend expertise, database knowledge, security awareness, startup adaptability, and product-minded ownership.

Build and scale backend systems for a high-traffic donor CRM and payments platform. Own performant SQL and realtime querying, optimize payment flows, implement AI agents, and collaborate across product and design to ship resilient, production-grade features at scale.

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.

Lead and grow a DevOps team responsible for AWS/Azure infrastructure, CI/CD, reliability, observability, incident response, and FinOps. Set technical direction for IaC, pipelines, and service management while partnering with Product, Engineering, and Security and participating in on-call rotation.

The Staff Engineer will lead cross-functional teams, focus on AI development practices, ensure scalable engineering, and evolve system architecture at ParentSquare.

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 architecture and design of full-stack, cross-pod systems; set engineering standards for quality, security, performance, and observability; mentor and grow engineers; partner with Product and Partners on technical strategy; own incident response and reliability; participate in on-call rotation and hiring/onboarding.

Lead the Lister engineering domain, owning roadmap, delivery, technical health, partner data quality, and team growth. Manage three pods via team leads, stay hands-on with architecture and code reviews, partner cross-functionally, own intake and reliability, and hire/mentor engineers to scale backend services and data pipelines that integrate messy third-party partner systems.

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.

The Senior Software Engineer will design and develop backend systems and APIs, mentor other engineers, and resolve complex integration challenges in healthcare technology.