Top Ruby Jobs in Washington, DC

Responsible for building new products, updating existing offerings, leading projects, mentoring, and ensuring quality and alignment in technical implementation. Collaborate with teams to drive projects from ideation to production.

Technical Services Engineers at MongoDB solve complex database problems for customers, requiring deep technical skills and customer service expertise. They work on architecture, performance, and support tools, engage with clients on technical queries, and contribute to projects within the MongoDB ecosystem. The role demands a mix of systems and storage engineering experience, coding skills, and a collaborative spirit.

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

The Lead Software Engineer will design scalable distributed systems on AWS and Kubernetes, mentor engineers, and influence technical direction across teams while ensuring system performance and reliability for marketing intelligence products.

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.

Design, build, and scale authentication, authorization, and experimentation systems for Upstart's lending products. Implement OAuth/OIDC/SAML-based flows, secure APIs with containerized deployments, partner with security and product teams to improve IAM, mentor engineers, participate in architecture, and drive platform experimentation and lifecycle improvements.

Lead the development of healthcare applications and data systems, focusing on audience intelligence and compliance. Design scalable data pipelines, APIs, and reporting systems while ensuring high data quality and security in regulated environments.

Lead design and maintenance of automated end-to-end tests across internal and external systems, build AI/LLM evaluation frameworks, embed testing in CI/CD pipelines, promote shift-left quality practices, and transform manual processes into automation suites while collaborating with engineers and product managers.

Lead the architectural design and development of a new consumer credit product, focusing on backend systems, distributed services, and integrating AI tools. Mentor team members and influence product direction through engineering insights.

The Marketing Backend Developer will build and maintain backend services and APIs for marketing operations, ensuring reliable data flow and system integrations, with a focus on performance and scalability.

As a Senior Site Reliability Engineer, you'll design and build complex systems, support Atlas platform operations, automate processes, and ensure high availability of services.

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.

Product Reliability Engineers ensure the health and stability of services by addressing outages, improving code, and enhancing product resilience through strategic investments.

As a Software Engineer II, you'll design and build backend services for a unified communications platform, collaborate with multiple teams, and manage medium-sized projects independently.

Own reliability, automation, and DevOps for Coinbase's corporate IAM platform: on-call/incident response, CI/CD and IaC pipelines, identity lifecycle tooling, observability and disaster recovery, documentation, and cross-team IAM advisement to ensure secure, scalable access for a global workforce.

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 front-end technical strategy for Coinbase Advanced trading platform: define and execute a scalable roadmap, deliver a low-latency interface across web and mobile, mentor engineers, anchor complex projects, and ensure high standards for code quality and system design.

Build and maintain developer platform tooling, automation, CI/CD, and Go-based CLI to improve developer productivity, reliability, and scalability for Huntresssecurity products. Implement AI-enabled workflows, support deployments in Azure and containerized environments, and collaborate with product teams to optimize architecture and operations.

As a Lead Infrastructure Engineer, you'll enhance database reliability, automate infrastructure, collaborate on initiatives, and participate in on-call duties.

As a Fullstack Engineer, you'll design, build, and operate web applications, collaborating with product teams and mentoring peers while ensuring best practices in coding and system architecture.

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

The Engineering Lead will manage a small team, drive technical decisions, contribute code, and shape product strategy at AngelList.

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.

Contribute to the development of the authentication and authorization platform, define AI workflows, improve identity layers, and mentor team members.