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Lead scalable, secure web applications as Principal Frontend Developer at Capco, shaping future finance solutions.
Hybrid role in London blending React expertise, UX leadership, mentorship, and cutting‑edge fintech innovation.
Principal Frontend Developer (React)
Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent
Shape seamless digital experiences that define the future of financial services
The Role
As a Principal Frontend Developer at Capco, you’ll lead the development of scalable and secure web applications for global financial clients using modern JavaScript frameworks, primarily React. You’ll architect responsive, accessible, and elegant user interfaces and work closely with cross-functional teams to deliver transformative digital experiences. As a senior technical leader, you’ll mentor others, influence frontend strategy, and drive best practices.
What You’ll Do
- Architect and implement complex frontend systems using React and modern frameworks
- Apply UX/UI best practices to deliver pixel-perfect, accessible, and responsive applications
- Establish and champion frontend engineering standards across delivery teams
- Coach junior developers, promote knowledge sharing, and contribute to hiring efforts
- Collaborate with stakeholders to translate product needs into technical outcomes
What We’re Looking For
- Strong JavaScript/TypeScript and React expertise; experience with Next.js, Vue.js, or Angular is a plus
- Experience with modern CSS techniques (Flexbox, Grid) and frameworks like SASS, Material UI, Bootstrap
- Familiarity with OAuth2, JWT, OpenID Connect, and secure frontend design principles
- Experience with Redux, Webpack, and modern testing frameworks like Jest, Mocha, or Enzyme
- Track record of delivering applications via CI/CD pipelines and containerised environments (Docker/Kubernetes)
Bonus Points For
- Experience mentoring and coaching frontend developers
- Knowledge of cloud platforms and deployment strategies
- Familiarity with financial services products and regulatory environments
- Experience hiring, managing business cases, and contributing to RFPs
- Strong stakeholder management and communication skills
Why Join Capco
- Deliver high-impact technology solutions for Tier 1 financial institutions
- Work in a collaborative, flat, and entrepreneurial consulting culture
- Access continuous learning, training, and industry certifications
- Be part of a team shaping the future of digital financial services
- Help shape the future of digital transformation across FS & Energy.
Benefits
- We offer a competitive, people‑first benefits package designed to support every aspect of your life:
- Core Benefits: Discretionary bonus, competitive pension, health insurance, life insurance and critical illness cover.
- Mental Health: Easy access to CareFirst, Unmind, Aviva consultations, and in‑house first aiders.
- Family‑Friendly: Maternity, adoption, shared parental leave, plus paid leave for sickness, pregnancy loss, fertility treatment, menopause, and bereavement.
- Family Care: 8 complimentary backup care sessions for emergency childcare or elder care.
- Holiday Flexibility: 5 weeks of annual leave with the option to buy or sell holiday days based on your needs.
- Continuous Learning: Your growth, your way - minimum 40 hours of training annually. Take your pick; workshops, certifications, e‑learning. Also, Business Coach assigned from Day One: Get one‑on‑one guidance to fast‑track your goals and accelerate your development.
- Healthcare Access: Convenient online GP services.
- Extra Perks: Gympass(Wellhub), travel insurance, Tastecard, season ticket loans, Cycle to Work, and dental insurance.
Inclusion at Capco
We’re committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know – we’ll be happy to help. We value each person’s unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration – a mindset that shapes how we work with clients and each other every day.