Top Senior Full-Stack Engineer Jobs in Denver & Boulder, CO

Design, develop, and maintain scalable APIs and SDKs, ensuring high performance and security. Interface with customers for feedback and participate in code reviews.

The Senior Fullstack Engineer II will enhance technical excellence, mentor team members, resolve production issues, and communicate effectively with stakeholders.

The Senior Full Stack Engineer will develop end-to-end testing solutions, APIs, and services for a federal program, working in a collaborative team.

Develop and implement front-end features, collaborate with design and product teams, and ensure high standards in UI and user experience.

As a Sr Fullstack Engineer, you'll lead product development for network monitoring systems, focusing on data ingestion, analysis, and collaboration across engineering teams.

As a Senior Full Stack Engineer, you'll build features, scale the platform, collaborate with teams, mentor peers, and improve engineering practices at Calendly.

The Senior Full Stack Engineer will design and implement custom Shopify applications, collaborate with clients, and provide technical mentorship while utilizing a comprehensive web development stack.

The Senior Full Stack Engineer will develop and maintain a high-performance React/TypeScript frontend, optimize video systems, and collaborate with teams on AI integrations.

As a Senior Full Stack Engineer, you'll develop and maintain platform features, expand product lines, and innovate in AI applications for security infrastructure.

Lead the design and development of APIs and services for products, ensuring code quality and system architecture while mentoring other engineers.

The role involves developing end-to-end features with Ruby on Rails, designing RESTful APIs, and creating user interfaces with React or Vue.

The Senior Fullstack Engineer will manage product development, working closely with stakeholders to implement features, ensure performance, and tackle technical challenges.

The Senior Fullstack Engineer will drive technical vision and product development, optimizing tools and systems while collaborating with diverse teams to enhance marketplace experiences.

As a Senior Software Engineer, you'll design and implement resilient full stack services, optimize code performance, manage projects, and tackle technical debt while ensuring high software quality standards.

Develop and optimize Betterleap's web platform, APIs, and backend systems. Own features from concept to deployment while collaborating with teams for user-centric solutions.

The Full Stack Engineer will design, develop, and maintain custom data visualization applications and dashboards while leading a development team.

As a Senior Full Stack Engineer at Calendly, you will build features, scale the platform, automate delivery processes, and mentor team members while following agile methodologies.

As a Senior Full Stack Developer, you will build end-to-end solutions, co-write technical documentation, and collaborate remotely with a team.

The Senior Full-Stack Engineer will lead the development of internal tools, creating web apps and APIs to support various teams, ensuring performance and user experience across the stack.

As a Senior Fullstack Engineer, you'll develop features, optimize APIs, and lead frontend/backend improvements for a financial app.

Lead software engineering projects, guide teams, and contribute to high-quality solutions in healthcare technology systems.

The Senior Full-Stack Engineer will build end-to-end features, creating user interfaces and APIs while managing workflows and contributing to open-source projects.

Lead the expansion of video capabilities at GameChanger, involving live streaming, video pipeline management, and collaboration with mobile, web, and infrastructure teams.

As a Senior Engineer, you'll enhance Flock's Installer App APIs, ensuring functionality and supporting growth with a focus on cloud development and backend systems.

The Senior Fullstack Engineer will drive product vision, collaborate on feature development, optimize tools, and innovate within a multicultural team at Sotheby's.