Senior Full-Stack Engineer — Build Scalable Digital Platforms

Wondersphere; Greater London; On-site; GBP 80,000 - 110,000; Full time

Job summary

Wondersphere, a London-based branding and digital studio, is seeking a Senior Full-stack Developer to own the technical direction of sophisticated websites and digital platforms. You will collaborate with strategy and design teams to translate complex requirements into robust, scalable solutions.

You'll lead development alongside a freelance Technical Architect, shaping architecture, standards and processes while maintaining code quality, accessibility, security and performance as Wondersphere

Qualifications

• Experience with modern JavaScript/TypeScript and React/Next.js.
• Front-end framework expertise (React/Next.js).
• Back-end APIs and databases experience.
• Experience building CMS-driven, multisite websites.
• Knowledge of Git, CI/CD and modern development environments.
• Strong understanding of web accessibility (WCAG).
• Security and performance optimization know-how.
• Experience integrating external systems via APIs.
• Ability to own complex development work with limited supervision.

Responsibilities

• Build sophisticated, responsive websites and digital platforms from Figma designs.
• Develop reusable front-end components and maintainable design systems.
• Build and configure complex CMS platforms, including multisite architectures.
• Develop back-end functionality, data models and publishing workflows.
• Create and maintain API integrations with third-party platforms.
• Work with databases, deployment pipelines, hosting and infrastructure.
• Collaborate with strategy, UX and design teams from project start to finish.
• Translate complex requirements into practical, maintainable solutions.
• Guide additional developers as the capability grows.

Skills

JavaScript/TypeScript

React/Next.js

APIs

CMS platforms

Multisite

Git & CI/CD

Web accessibility

Security & performance

API integrations

Job description

Wondersphere, a London-based branding and digital studio, is seeking a Senior Full-stack Developer to own the technical direction of sophisticated websites and digital platforms. You will collaborate with strategy and design teams to translate complex requirements into robust, scalable solutions.

You'll lead development alongside a freelance Technical Architect, shaping architecture, standards and processes while maintaining code quality, accessibility, security and performance as Wondersphere