Top Remote C# Jobs in Washington, DC

The Senior Site Reliability Engineer maintains resilient, observable SaaS platforms through monitoring, alerting, automation, CI/CD, infrastructure as code, and performance optimization. The role leads incident response, triage, root-cause analysis, and 24/7 on-call operations while applying AI/AIOps for predictive reliability and automated remediation. Responsibilities include supporting cloud infrastructure, Kubernetes environments, production security, database performance, SLOs, SLAs, and continuous improvements in collaboration with software engineering teams.

Leads architecture and development of scalable healthcare applications and distributed systems. Provides technical leadership and mentorship, collaborates with Product and Design, manages software delivery, improves testing and CI/CD, resolves complex technical issues, and oversees cloud infrastructure, databases, deployment pipelines, and production monitoring. Requires hands-on full-stack engineering expertise, cloud and containerization experience, and participation in periodic on-call escalation coverage.

Leads BECU’s API platform strategy, engineering and delivery teams, technology roadmaps, governance, budgeting, vendor partnerships, and agile execution. Oversees scalable, secure APIs using C#/.NET on Azure, GraphQL, and REST; advances API lifecycle standards, CI/CD, quality, security, observability, and cloud-native practices. Builds high-performing teams through coaching, supports modernization initiatives, aligns technology with business goals, and promotes responsible AI-enabled engineering tools.

Develops, tests, deploys, maintains, and improves .NET web applications for a federal government client. Translates user stories into software, designs application components and data models, develops vendor interfaces, performs code reviews, monitors system metrics, and creates technical and user documentation. The role participates in Agile processes, supports reporting requests, maintains existing systems, and contributes to software delivery and continuous improvement. Candidates need at least two years of .NET development experience and must be able to obtain Public Trust clearance.

Designs and delivers cloud-based software solutions with strategic customers and Microsoft product teams. Leads requirements definition, architecture, dependency identification, design documentation, and development of maintainable code. Mentors engineers, contributes to open-source assets, coordinates project and release plans, and serves as a designated responsible individual for system reliability, monitoring, on-call support, performance, and operational improvements.

Design, deliver, and operate business-critical distributed systems for Signify Health’s value-based care technology platform. The role requires full-stack development, polyglot programming, scalable distributed-systems expertise, cloud engineering, SQL and relational database knowledge, and strong communication. Preferred experience includes event-driven architectures, AI-assisted development tools, Kafka, APIs, containers, Kubernetes, infrastructure as code, monitoring, CI/CD, and agile methods. Quarterly or as-needed travel is required.

Leads architecture, full-stack development, scalable application design, dashboards, backend integrations, AI-enabled features, cloud infrastructure, DevOps, monitoring, and production support. Mentors engineering teams, establishes technical standards, guides strategy, and develops solutions for payer operations, metadata, contracts, and performance measurement.

Own and improve Dropbox’s Windows endpoint platform, including provisioning, application delivery, patching, compliance, security configuration, troubleshooting, fleet health, and automation. Build code-managed endpoint operations using Intune, FleetDM, osquery, infrastructure-as-code, and GitOps practices. Lead cross-functional improvements, establish reliable deployment workflows, mentor engineers, review code and designs, and document reusable operational practices.

Deploy production software alongside military operators in restricted and air-gapped environments. Integrate core and simulation platforms with partner C2 systems and databases, write scripts, transform schemas, debug distributed systems, analyze logs, isolate failures, and convert recurring field workarounds into reusable product capabilities. Brief engineers and senior military stakeholders while translating mission needs into technical solutions.

Lead the design, development, and delivery of scalable backend and patient-facing software for MinuteClinic. Set technical direction, mentor engineers, drive architecture and engineering excellence, and collaborate with product, design, and architecture teams. Build cloud-based services, APIs, distributed systems, CI/CD pipelines, automated testing, and observability solutions while adopting AI-assisted development practices. Healthcare technology, interoperability standards, microservices, and front-end experience are preferred.

Performs functional, integration, regression, release, accessibility, and database validation testing. Writes test cases, prepares test data, reports and retests defects, triages automated test failures, and progressively develops automated tests with senior guidance. Participates in Agile ceremonies and uses SQL, automation frameworks, and approved AI tools. The role is expected to grow toward independent automation ownership and test data preparation.

Designs and evolves AWS infrastructure as code using CDK, develops backend software primarily in TypeScript, and applies secure engineering practices for regulated environments. The role contributes to architecture, code reviews, CI/CD pipelines, production support, observability, and on-call operations. It collaborates cross-functionally, builds scalable and reusable systems, supports SOC 2 compliance, and uses AI coding assistants to improve development, testing, and documentation.

Develop and maintain C#/.NET software for electric and gas distribution engineering tools. Implement features, fixes, integrations, tests, and CI/CD automation while configuring enterprise systems for customer needs. Collaborate in Scrum, participate in reviews, reduce technical debt, document processes, and mentor teammates. The role may involve GIS or Enterprise Asset Management integrations and requires strong software development experience in utility or energy infrastructure environments.

Design, develop, and architect enterprise applications using Microsoft Power Platform, including Power Apps, Power Automate, Power Pages, and Dataverse. Integrate enterprise data sources, build custom plugins and APIs, implement secure architectures, and establish ALM and deployment practices. Lead and mentor a team of developers, collaborate with stakeholders and technical teams, participate in Agile ceremonies, and present technical solutions.

Develop cross-platform native C++ abstractions for the Unity Editor across Windows, macOS, and Linux. Maintain and modernize the existing codebase, support new operating-system features and design guidelines, troubleshoot difficult platform issues using native debuggers, and collaborate with product managers and worldwide engineering teams to plan and deliver editor experiences.

Lead design, development, deployment, and scaling of cloud infrastructure and SRE tooling. Build automation, CI/CD, observability, capacity planning, and reliability improvements; collaborate with product teams to define non-functional requirements and resolve production issues.

Build and maintain full-stack capabilities for Octane’s loan servicing ecosystem using Python, Django, PostgreSQL, and React. Design scalable APIs, data-integrity safeguards, and user interfaces; write automated tests; troubleshoot complex bugs; optimize performance; participate in code reviews; collaborate cross-functionally; and mentor junior engineers while using AI-assisted development tools.

Leads and develops a globally distributed engineering team while shaping technical strategy, modernizing a SaaS platform, and building scalable solutions with .NET, React, APIs, and cloud technologies. Responsibilities include mentoring engineers, influencing architecture, improving CI/CD, reliability, delivery practices, and advancing responsible AI adoption across engineering.

Leads and develops a globally distributed software engineering team while remaining 50% hands-on. Responsibilities include driving technical strategy and modernization, building scalable SaaS solutions with .NET, React, APIs, and cloud technologies, improving CI/CD and reliability, mentoring engineers, influencing architecture, and advancing responsible AI use across engineering.

Develop and improve Azure Kubernetes Service capabilities across Linux and Windows, building reliable container orchestration and cloud infrastructure at global scale. Responsibilities include advancing Kubernetes components, improving service quality, accelerating engineering velocity, automating incident prevention and remediation, and integrating AI tools into development workflows. The role focuses on distributed systems, containers, Kubernetes, DevOps tooling, and AI/ML workload infrastructure.

Lead technical strategy and architecture for Azure Storage geo-replication, data protection, failover orchestration, and business continuity. Drive cross-team delivery, operational excellence, telemetry, automation, AI-assisted operations, and represent the team in executive and customer engagements.

Design, build, test, deploy, and operate secure, reliable, scalable software and production services. Partner with customers and stakeholders to translate business needs into technical solutions, lead technical workstreams, and deliver outcomes end-to-end. Apply engineering best practices including code review, automated testing, CI/CD, observability, and documentation. Preferred work includes deploying AI or LLM solutions using cloud AI platforms, model evaluation, monitoring, and data-quality practices.

Leads the design and implementation of highly scalable Azure messaging and PubSub services. Defines architecture, testing strategies, coding standards, and reusable engineering frameworks; mentors engineers and conducts design and code reviews. Drives incident response, root-cause analysis, service reliability, SLA compliance, and operational improvements. Partners with stakeholders and customers to shape requirements and product direction, while advancing responsible AI practices throughout the software development lifecycle.

Supports maintenance, content updates, cleanup, and evolution of existing websites while assisting with a unified web platform. Responsibilities include semantic HTML improvements, redirects, data organization, troubleshooting, frontend and backend development, performance, accessibility, SEO, security, API integrations, and codebase enhancements. The role also supports content migration, structured data, publishing workflows, and collaboration with a senior developer in a remote environment.

Develops, tests, documents, maintains, and enhances software solutions using Appian and related technologies. Integrates Appian with external systems and services, resolves technical problems, remediates security vulnerabilities, improves performance, and participates in planning and user-story analysis. The role follows software development processes, documents standards, and mentors engineers while helping prioritize work for a development team.