Top Remote C# Jobs in Washington, DC

The Software Development Manager will lead a team to build backend data and analytics capabilities, support engineers, design systems, and enhance team processes for Zillow's Industry Software suite.

The Principal Software Engineer leads the design and development of scalable software solutions, mentors engineers, and drives architectural decisions while collaborating with cross-functional teams.

Design, develop, implement, test, and support high-quality internal software and customer-facing products. Enhance existing products and design APIs that integrate systems. Ensure security measures and perform code testing and reviews.

Ensure platform reliability, performance, and availability by implementing observability, automating infrastructure, participating in on-call rotations and post-mortems, partnering with Product and Engineering, designing scalable architectures, mentoring teammates, and integrating Dynatrace with Azure DevOps and Jira while supporting compliance (SOC/FedRAMP).

The Staff Engineer will design and develop scalable services, mentor junior engineers, optimize platform solutions, and integrate AI/ML features, ensuring security and performance.

The Senior Engineer (Platform) will drive large-scale projects, mentor junior engineers, design service architectures, and ensure engineering excellence while collaborating cross-functionally to optimize user experience and platform efficiency.

The Staff Engineer will design scalable architectures, develop backend services, and mentor junior engineers, focusing on high-quality, distributed applications.

Lead design and implementation of scalable, cloud-native full-stack systems. Own features end-to-end, participate in coding, code reviews, debugging, production monitoring, and on-call rotations. Mentor engineers, improve development tools and test coverage, optimize performance, design data and caching strategies, and champion API-first integrations. Collaborate cross-functionally with product, design, and operations to maintain system health and deliver reliable SaaS solutions.

Design, implement, and operate utility-scale battery storage control systems and SCADA infrastructure. Program PPC/HMI/RTU, support plant automation, troubleshoot OT/control system issues, manage network upgrades, participate in field construction and commissioning, and serve as SME while coordinating with internal teams and EPC vendors.

Ship full‑stack SaaS features and fixes, leverage AI‑agentic development workflows to boost throughput, build internal agent/codegen/test pipelines, validate AI output with tests and reviews, decompose monoliths, and collaborate with product and customers on deployments and incidents.

The Microsoft Dynamics 365 Developer will design and develop custom solutions in Microsoft Power platform, ensure quality, and support the MPP application. Requires hands-on experience in D365, Power Apps, and the full life-cycle implementation of related solutions.

The Senior Software Engineer role involves modernizing healthcare payment systems using C#, .NET, SQL, and cloud technologies while leveraging AI tools for efficiency.

As an Architect at 3Cloud, you will ensure client success by deploying Azure-based solutions, leading technical discussions, and designing application architecture.

Design and develop scalable software solutions, lead engineering workstreams, ensure code quality, mentor junior developers, and collaborate on technical strategies to enhance digital experiences for BECU members.

Lead automation and optimization of Filevine's data platform: performance tune MSSQL/Postgres, optimize Snowflake, provision infrastructure with Terraform/AWS, run stateful containers on Kubernetes, integrate AI/LLM and MCP for operational automation, manage CI/CD, capacity planning, documentation, and serve in 24/7 on-call rotation.

The Backend Engineer will develop infrastructure for product integration, create documentation for team training, and influence technology decisions.

The Senior DevOps Engineer manages cloud infrastructure using IaC, enhances CI/CD pipelines, mentors teams, and drives automation initiatives for improved developer experience.

The DevOps Engineer III enhances software infrastructure for unmanned aircraft systems, focusing on backend integrations, frontend development, CI/CD pipelines, and system monitoring, collaborating with engineering teams.

Develop high-reliability software for safety-critical applications in UAS technology. Collaborate with teams, maintain solutions, and automate processes.

Develop and design web applications, working within an agile team to continuously improve features and deliver high-quality software while collaborating with project teams.

Develop software tools for the AEC industry, focusing on the Buildings as Code initiative. Collaborate with a small team and contribute ideas while mentoring others.

The Systems Architect will lead architecture design for cloud-native C# services and AI integration while driving modernization efforts across multiple products and teams.

The Software Developer will create and test software for client applications, collaborate with teams, and maintain documentation. Responsibilities include debugging, architectural design, and providing technical consultancy.

The Staff Software Engineer will design .NET infrastructure, automate builds, maintain tooling for .NET libraries, and mentor peers while ensuring security and reliability.

As a Staff Software Engineer, you'll lead technical execution across teams, design microservices, improve cloud deployments, and mentor engineers while focusing on architecture and delivery.