Full Stack Node.js/React Developer - FinTech Innovation Team
London (Victoria) - Hybrid \| UK Remote considered
Join a regulated FinTech transforming global payments
Shape the Future of Financial Services
Join our new strategic team at a cutting-edge FinTech backed by Banking Circle's international payment rails. We're transforming how businesses access account-to-account payments, card issuing, and financial services across UK, EU, and US markets.
You'll rebuild critical client-facing applications from the ground up, pioneering our move to Node.js/React and API-first architecture.
About Us
Regulated EMI in UK \& EU, with US sponsor bank partnerships
Visa \& Mastercard member - card issuer
Global reach with homogeneous services across three major markets
Dual client base serving both direct clients and strategic partners
40-person product \& tech team driving innovation in financial services
What You'll Build
Client Portal \& Onboarding Transformation
Redesign complex financial workflows into intuitive, user-friendly interfaces
Build secure, compliant applications handling sensitive financial data
Create seamless onboarding experiences for businesses across multiple jurisdictions
Technical Innovation
Pioneer Node.js adoption within our established Ruby/MySQL/AWS infrastructure
Architect robust middleware solutions connecting frontend experiences to financial services
Implement secure OIDC/OAuth flows for multi-tenant financial applications
Strategic Impact
Lead migration from legacy technologies to modern React/Node.js ecosystem
Establish development patterns for our expanding Node.js capabilities
Showcase innovations to stakeholders in bi-monthly London sessions
The Developer We're Seeking
Financial Services Mindset
Curious nature with deep interest in how financial technology works
Customer UX first approach - understanding that in FinTech, user experience directly impacts business success
Security-conscious thinking appropriate for regulated financial service
Experience in financial services highly desirable
Technical Excellence
3-5 years full stack development experience
Strong Node.js skills for middleware development (new to our stack - you'll help shape our approach)
React.js expertise with modern development practices
Frontend design skills - ability to create professional, trustworthy financial interfaces
OIDC/OAuth knowledge essential for secure financial applications
️ Our Tech Ecosystem
Current Stack
Ruby backend with MySQL database
AWS infrastructure with containerised deployments
GitHub for version control and collaboration
Your Focus
Node.js/React frontend transformation (new strategic direction)
Integration with existing Ruby services
Modern frameworks: Next.js, Vue.js experience valuable
How We Develop
Product-led approach with 2-week agile sprints
CI/CD pipelines for rapid, reliable development
Collaborativeplanning and regulat innovation showcases
Working Arrangements
London-based (Preferred): 3 days Victoria office + 2 days WFH
UK Remote: Welcome with twice-monthly London visits for planning \& showcases
Compensation varies based on experience and location
Why Join Our FinTech Journey?
Founding member of our Node.js/React transformation
Regulated industry experience with global compliance exposure
Cutting-edge financial services - payments, card issuing, multi-currency operations
International scope across UK, EU, and US markets
Product-focused culture with rapid iteration and innovation
Strong backing from Banking Circle's established infrastructure
Ready to Revolutionise FinTech?
If you're a creative developer passionate about financial technology, user experience, and building secure, compliant applications that power global commerce, we want to hear from you.
Apply with your CV and tell us what excites you about building the next generation of financial services technology.
We're committed to diversity and inclusion in FinTech. All backgrounds welcome.
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Company Overview
Please visit https://www.b4bpayments.com for more information