Senior Software Development Engineer, Fullstack

About this role

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Software Development Engineer, Fullstack based in the United States .

Join a distributed engineering team building and operating modern web applications and services that support impactful digital experiences. As a Senior Fullstack Software Development Engineer, you will combine strong front-end and back-end expertise to design scalable, reliable, and secure technology solutions. You will lead the development of complex features from initial design through deployment, ensuring high standards of performance and maintainability. Working closely with product, design, data, and engineering colleagues, you will translate business requirements into effective technical solutions. You will also help shape engineering practices, influence technical decisions, and mentor other developers. This role offers the opportunity to contribute to significant product and platform initiatives within a collaborative, remote-first environment.

### Accountabilities

• Architect, develop, and maintain end-to-end web applications and services using modern front-end frameworks, scalable back-end APIs, and data storage technologies.
• Lead the design and implementation of complex features and technical initiatives, from concept and planning through deployment and ongoing support.
• Ensure application performance, reliability, security, scalability, and long-term maintainability.
• Collaborate with product managers, designers, data specialists, and engineering teams to refine requirements, break down projects, and deliver high-impact solutions iteratively.
• Establish and promote engineering best practices across code quality, automated testing, observability, continuous integration and deployment (CI/CD), and incident response.
• Lead by example through high-quality technical contributions, thoughtful design decisions, and consistent engineering stand...