Top C# Jobs in Seattle, WA

The Sr Software Engineer - iOS translates business requirements into program designs, writes maintainable code, mentors other engineers, and improves development processes. They focus on iOS development using Swift, integrating backend systems, and may work with data science technologies and AR. They are responsible for ensuring alignment with architecture standards and improving team efficiencies.

As a Staff Software Engineer at Sprout Social, you'll lead the Customer Experience Engineering team in building tools for customer automation, collaborating with stakeholders to define visions and successful outcomes, improving processes, and ensuring high-quality software delivery.

As a Senior Software Engineer on the Partner Portal team, you will design, build, and deliver software across the full development lifecycle. You will collaborate with team members to implement features, validate changes, and analyze the impact of your work while providing mentorship and leading project initiatives.

The Senior Controls Engineer will design complex automated systems, work with various PLCs, and integrate off-the-shelf components such as controllers and sensors. Responsibilities include power circuit design, engineering analysis, troubleshooting automation systems, and maintaining relationships with clients and vendors.

Design and implement stable and performant SaaS products utilizing frontend and backend technologies. Own a complex set of internal/external services and data sets. Execute full SDLC for APIs, UIs, applications, and infrastructure.

As a Software Development Engineer II at Stackline, you will design, build, maintain, and improve software products and data-collection services. Responsibilities include coding, testing, debugging, mentoring junior engineers, enhancing software systems, and optimizing processes to scale systems and ensure reliability.

Software Engineers at Qumulo build and maintain the modern distributed storage engine for on-premises and cloud products, contributing to feature development, testing, and debugging. They collaborate in improving SDLC processes and implement both customer-facing and internal features with a focus on performance and reliability.

The .NET Developer will have 2+ years of experience in AngularJS or similar frameworks, along with 3+ years designing web applications using HTML, JavaScript, and CSS. The role requires expertise in ASP.NET (MVC and Web API) using C#, along with strong problem-solving skills and a passion for quality through unit and integration testing.

As a Software Development Engineer at FreeTime, you will design and deliver consumer software products for kids and parents, driving large-scale features from inception to delivery. Your role involves software architecture, object-oriented programming, and leveraging your deep knowledge of mobile technologies to innovate and enhance user experiences.

As a Software Development Manager, you will lead a team of engineers in the design, development, testing, and operations of the company's platform, focusing on customer experience while managing the technical aspects and project outcomes. You are expected to engage in hands-on development, provide mentorship, and ensure high-quality deliverables.

The SDET will be responsible for testing implementations of API Gateways and related application infrastructure, working collaboratively with internal developers and external partners to debug and refine applications. Experience in creating test plans and test cases is also required, along with 4-6 years in infrastructure testing.

The QA Automation Lead will be responsible for leading a technical team in automation and infrastructure testing. The role requires hands-on testing and coding, particularly with APIs and cloud technologies, along with developing automation frameworks and ensuring robust CI/CD practices. Strong leadership, stakeholder engagement, and a deep understanding of testing processes are essential.

The Sr. .Net Developer / Architect will design, develop, and support REST APIs, with advanced knowledge of C# and .NET Framework. Responsibilities include working with distributed systems and NoSQL databases, and collaborating on a full-stack agile delivery team. The role requires strong analytical and problem-solving skills.

The Performance SDET will focus on performance test planning, execution, and troubleshooting. Key responsibilities include identifying performance requirements, managing test environment issues, and analyzing results. The role requires strong coding skills and experience with both load testing tools and web services.

The .Net Architect/Sr Developer will provide technical solutions, guidance, and mentoring to project teams, ensuring compliant application design and high-quality systems that meet business needs. They will lead the analysis, design, and implementation of web applications while collaborating on technology decisions, all in a fast-paced, agile environment.

The Sr. Full Stack Developer/Architect will develop and implement applications using C# and Azure, lead technical solutions, maintain quality standards, mentor team members, and collaborate on system designs. They will ensure compliance with processes and support business objectives through technology decisions.

The SDET will focus on developing and implementing test automation processes and methodologies, create and maintain test environments, review technical requirements, and mentor other engineers. The role involves scripting automated tests, triaging bugs, and collaborating with developers and product managers throughout the software development lifecycle.