Top Linux Jobs in Washington, DC

Remote backend C# developer to build and optimize a high-load spot-exchange matching engine. Improve performance and API throughput, implement business features, write unit and integration tests, work with .NET Core and PostgreSQL on AWS, and apply multithreading, async, and distributed systems concepts.

Responsible for deploying, configuring, maintaining Linux servers, assisting with system administration, and managing OS patches using various tools.

Design, implement, and manage secure, highly available RHEL servers and Azure-based cloud solutions. Automate deployments with scripting, support Docker/Kubernetes pipelines, document systems, and adapt to new Azure resources to enhance capabilities for developer groups and military customers.

Operate, secure, and optimize an enterprise Linux fleet across AWS and VMware, support Linux virtual desktops, author Ansible automation, enforce CIS hardening and patching, build monitoring and IaC (CloudFormation, Service Catalog), and collaborate with application teams to ensure reliable, performant infrastructure.

Build, patch, and test userspace packages for Rocky Linux; improve packaging tooling and automation; remediate CVEs; develop automated tests; collaborate across engineering, product, open-source, and sales; support deployments on servers, VMs, and cloud.

Design, develop, and maintain Linux kernel components for Rocky Linux. Write and review C code, build kernel testing and automation, debug kernel-level issues, optimize performance, collaborate with hardware engineers, document designs, and mentor junior developers.

Lead and hands-on contribute to embedded Linux platform development: bootloader, kernel, device trees, root filesystem, build/update systems, board bring-up, debugging, releases, and cross-team coordination. Provide technical leadership, plan work, delegate, and grow into formal management.

Join Canonical's Kernel Team as a Junior Linux Kernel Engineer to work on Linux kernel development for Ubuntu, collaborating on projects ranging from security hardening to driver integration.

Build and maintain Python tools for web scraping, automation, integrations (Airbnb, marketplaces), ad automation, chatbots (Chatwoot), workflow automation (Spiffworkflow), automated tests, and data analysis.

Develop a quest gameplay engine for game server and mobile apps and build a visual no-code quest editor. Collaborate in one-week Scrum sprints, design software architecture, and use C++/Qt, JavaScript/TypeScript, git, and Linux.

Develop and maintain mobile app and no-code quest editor, implement gameplay engine and server, design software architecture, and collaborate in one-week Scrum sprints using C++, Qt, QML, MySQL, and AI-assisted tools.

Part-time full‑stack developer to maintain and extend a global Laravel backend and modern frontend (Angular/React/Vue). Responsibilities include architecture, DevOps tasks, code reviews, using MySQL, PHP/JavaScript/TypeScript, GitLab workflows, and AI-assisted coding tools. Work in one-week Scrum sprints, ~10+ hours/week, equity-based compensation; applicant must hold a full‑time job.

Develop frontend features for mobile/web: quest storefront, user and creator dashboards, admin tools, marketing/sales features, and third-party integrations. Work in one-week Scrum sprints, contribute to architecture, use git/GitLab and AI-assisted coding tools, and collaborate on product development.

Develop and maintain Ubegos frontend products: mobile/web quest experiences, user and creator dashboards, admin panel, marketing features, and third-party integrations. Work in one-week Scrum sprints, perform code reviews, contribute to software architecture, and use modern frontend frameworks, relational databases, and AI-assisted coding tools.