Staff Fullstack Engineer (TypeScript)

About the role

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Fullstack Engineer (TypeScript) based in the United States.

As a Staff Fullstack Engineer, you will take ownership of high-impact product initiatives, building and evolving sophisticated web applications across the frontend and backend. You will play a key role in shaping technical direction while delivering scalable, reliable, and high-performance solutions that support advanced marketing intelligence and analytics. Working primarily with TypeScript, React, APIs, and data platforms, you will own major features from initial concept through production launch. You will collaborate closely with engineers, product managers, customer success teams, and customers to turn complex needs into practical product improvements. In a fast-paced, remote-friendly environment, you will combine strong technical judgment, independent execution, and mentorship to raise engineering standards and accelerate product innovation.

Accountabilities: -

Identify and solve complex, high-impact technical problems, leading projects involving multiple engineers and cross-functional stakeholders.

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Help define and influence technical direction, architecture, and engineering practices across the team.

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Design, develop, and deliver fullstack web application features using TypeScript and modern frontend and backend technologies.

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Own major product features end-to-end, from requirements and technical design through implementation, testing, and production deployment.

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Build and enhance interactive analytics dashboards that help customers understand marketing performance and business data.

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Collaborate with product managers, customer success teams, domain experts, and customers to scope initiatives and deliver effective solutions.

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Develop robust API services and integrations using REST and GraphQL.

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Improve frontend performance, application responsiveness, development speed, and page-rendering times.

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Build maintainable, scalable software components while balancing rapid delivery with long-term technical quality.

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Contribute to standardized technical documentation for internal teams and external stakeholders.

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Promote strong developer ergonomics, code quality, and continuous improvement across the engineering organization.

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Mentor other engineers, share technical knowledge, and support the development of engineering capabilities across the team.

Requirements:

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At least 5 years of professional experience building frontend and backend systems with TypeScript.

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At least 3 years of experience with modern component-based frontend libraries, particularly React.