Full Stack Node.js/React Developer - Fintech Innovation Team

B4B Payments - A Banking Circle Group Company; London; Remote; GBP 70,000 - 95,000; Full time

Benefits offered by this job

Diversity and inclusion initiatives

Opportunity to work with a cutting-edge technology stack

Collaborative environment with agile sprints

Job summary

A leading FinTech company is seeking a Full Stack Node.js/React Developer to shape the future of global payments. You will lead the frontend transformation, creating user-friendly interfaces and innovative financial applications. The ideal candidate has strong skills in Node.js and React, with a focus on security and user experience. This position allows for UK remote work with occasional planning sessions in London.

Qualifications

• 3-5 years of full stack development experience.
• Strong Node.js skills for middleware development.
• React.js expertise with modern development practices.
• Ability to create professional, trustworthy financial interfaces.
• Experience in financial services is highly desirable.

Responsibilities

• Redesign complex financial workflows into user-friendly interfaces.
• Build secure, compliant applications handling sensitive financial data.
• Lead migration from legacy technologies to modern React/Node.js ecosystem.
• Integrate Node.js/React frontend with existing Ruby services and AWS infrastructure.

Skills

Node.js

React.js

Frontend design skills

OIDC/OAuth knowledge

UX design

Tools

Ruby

MySQL

AWS

GitHub

Job description

Overview

Full Stack Node.js/React Developer - FinTech Innovation Team

Join a regulated FinTech transforming global payments. Shape the future of financial services as part of a new strategic team 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

• 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

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

How We Develop

• Product-led approach with 2-week agile sprints
• Collaborative planning and regular innovation showcases

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.

#FinTech #NodeJS #React #London #Payments #CardIssuing #RegulatedTech #UKRemote #BankingTech

Please note: We do not accept unsolicited CVs or applications from recruitment agencies for this role.