Principal Frontend Developer (React)
Added: 04/06/2025 Capco
UK - London
🕒 Full-time
💷
🏷️ react
🏷️ angular
🏷️ vue.js
🏷️ next.js
🏷️ javascript
🏷️ typescript
🏷️ redux
🏷️ mobx
🏷️ css
🏷️ webpack
🏷️ responsive design
🏷️ jest
🏷️ cloud
🏷️ docker
🏷️ kubernetes
🏷️ ci/cd
🏷️ oauth
🏷️ jwt
Job description Capco is a global technology and business consultancy focused on the financial services sector. They are looking for a Principal Frontend Developer to contribute to engaging projects with leading banks.
Responsibilities
- Engineering best practices and continuous improvement.
- Expertise in team domains and data flows.
- Recommend tooling and solutions, influencing testing strategy.
- Architect services and systems using design patterns.
- Manage engineers, ensuring efficiency and quality.
- Contribute to products and solutions, articulating value to customers.
- Deliver critical business and customer-facing applications.
- Communicate complex ideas effectively.
- Stay updated on new technologies and experiment with them.
- Contribute to the future of finance engineering.
Requirements
- Exceptional JavaScript/TypeScript experience.
- React (preferred), Vue.js, Next.js, Angular.
- CSS: SASS/LESS, Bootstrap, SemanticUI, MaterialUI, Responsive design.
- Security standards: OAuth2, OpenID Connect & JWT.
- Understanding of asynchronous requests, partial page updates, and AJAX.
- Experience with state management tools (Redux preferred).
- Task runners: Webpack (preferred), Grunt.
- Testing frameworks: Mocha, Jasmine, Chai, Jest, Enzyme.
- CI/CD pipelines and containerization (Docker, Kubernetes).
- Coaching and mentoring junior developers.
- Debugging and resolving application issues.
- Knowledge of cloud concepts and security technologies.
Benefits
- Innovation-focused work culture.
- Ongoing learning opportunities.
- Flat organizational structure.
- Diverse and inclusive culture.
- Enhanced family-friendly benefits (maternity/adoption leave, sick leave, etc.)
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