Top Senior Level Javascript Jobs in Washington DC,

As a Senior Frontend Engineer at Apollo.io, you will work closely with cross-functional teams to implement and improve best practices in technology, architecture, and process, while ensuring high-quality standards in code. Your responsibilities include designing product initiatives, producing well-structured code, maintaining code quality, and providing mentorship to peers.

As a Senior Backend Engineer at Backstage, you will join an eight-member web team to enhance backend services that support the online talent marketplace. You'll engage in a collaborative environment using a modified Kanban process, focusing on user-driven initiatives and fostering a culture of continuous learning.

The Senior Backend Engineer will join Backstage's web team to enhance and maintain backend systems, drive user-focused initiatives, and support creative projects in the entertainment industry. The role emphasizes collaboration, continuous improvement, and adopting advanced technology to enable diverse hiring practices.

As an Elm Software Engineer, you'll create engaging UI experiences for our Connect platform, collaborating with product teams, driving projects autonomously, and continuously exploring new technologies. You'll write clean code and contribute innovative ideas to enhance the platform's functionality.

This role involves designing, developing, and testing features for internal and client-facing projects using a variety of technologies. Responsibilities include writing clean code in C# and JavaScript, ensuring application performance, and adapting to new technologies. The position requires problem-solving abilities and a collaborative work ethic in an agile environment.

The Principal Systems Engineer is responsible for the design, analysis, maintenance, and configuration of complex systems software solutions. This role involves strategic guidance, advising senior executives, establishing repeatable frameworks, and ensuring effective integration of end-user technologies, while also mentoring engineering teams.

The Senior Software Engineer will develop software solutions for complex business problems, mentor junior engineers, and improve systems operations. Responsibilities include analyzing user needs, documenting solutions, and collaborating with teams. The candidate should possess strong software engineering skills and the ability to work independently in a fast-paced environment.