Why outstaff instead of hiring? Because every week spent recruiting is a week your checkout stays vulnerable. Smartbrain.io plugs vetted JavaScript specialists directly into your sprint board, cutting average hiring time to 48 hrs. You pay only for productive hours, skip payroll tax, hardware, office and retention costs. Our engineers arrive pre-aligned with PCI-DSS, PSD2 SCA and OWASP M-Commerce guidelines, so your team gains expertise instantly, not after a costly learning curve. With flexible ramp-up/ramp-down terms, you keep budget agility while safeguarding IP through airtight NDAs and isolated Git branches. In short--faster launch, lower risk, stronger code.
48-Hour Onboarding
Cost Savings
No Payroll Taxes
Scalable Bandwidth
Vetted Experts
Timezone Overlap
IP Protected
Zero Recruitment Fees
Fast Knowledge Transfer
Flexible Contracts
Global Talent Pool
Reduced Risk
Mobile Authentication Payment Solution Success Stories
“Smartbrain’s JavaScript squad integrated biometric auth in 3 days. Their React Native expert closed our fraud loophole, and Node.js engineers built tokenization middleware that passed PCI audit first try. Onboarding felt native—Slack, Jira, same coding standards. Output quality jumped 35% while my in-house team stayed focused on roadmap.”
Emily Carter
CTO
Pioneer Wallet Inc.
“HIPAA & SCA in one sprint. Smartbrain.io dropped a senior Vue.js dev and a QA automation lead straight into our tele-medicine portal. They refactored our 2FA flow with WebAuthn and reduced login latency by 42%. Hiring cycle was 48 hours versus the usual six weeks.”
Michael Reynolds
VP Engineering
MedLink Systems
“Checkout abandonment fell 18%.” Smartbrain’s Next.js talents built a one-tap Apple Pay module and injected adaptive OTP logic. Their sprint velocity matched ours on day one, no rework needed. The service freed my architects to tackle loyalty features instead of plumbing payments.”
Sophia Martinez
Head of Product
TrendCart Labs
“PSD2 audits used to terrify us.” Smartbrain added two seasoned TypeScript developers who automated SCA flows and built Jest suites covering 96% of critical paths. We released on schedule and cut chargebacks by 27%. Couldn’t have done it without their rigorous vetting quality.”
David Liu
Chief Technology Officer
BlueRiver Finance
“We needed WebSockets + secure billing.” Smartbrain’s Node.js specialists created token-based micro-payments for device data. Integration with our MQTT broker was flawless, raising recurring revenue 22%. Onboarding documents were so clear my team had zero clarifying questions.”
Karen Johnson
IoT Product Lead
MachinaCore LLC
“Latency under 90 ms worldwide.” Their Express.js and Redis gurus rewrote our session-store and introduced JWT rotation, eliminating token replay attacks. Smartbrain cut our release backlog in half and improved deployment cadence from monthly to weekly.”
Anthony Brooks
Director of Engineering
PlayFuel Studios
Industries We Accelerate
FinTech & Banking
Challenge: PCI-DSS, PSD2 SCA, instant settlement.
Mobile authentication payment solution developers build encrypted card vaults, biometric sign-ins, and tokenized payouts in React Native and Node.js, allowing banks to ship new features without exposing core systems. Augmentation injects niche expertise fast, ensuring compliance while keeping roadmap velocity.
E-Commerce & Retail
Augmented JavaScript teams add one-tap wallets, 3-D Secure loops and fraud-scoring middleware. They A/B checkout flows to reduce cart abandonment, integrate Apple/Google Pay, and optimize Lighthouse scores so stores convert more mobile traffic safely and quickly.
Healthcare & Telemedicine
HIPAA-ready authentication, e-prescription billing and secure video co-pay modules built with TypeScript. Outsourced specialists harden PHI transmission, add FIDO2 login, and navigate complex insurance clearinghouses without delaying critical patient releases.
Transportation & Mobility
Ride-hailing and EV-charging apps demand split-fare, real-time wallet top-ups. JavaScript augmentation delivers GPS-linked payment authorization and offline token caching, ensuring frictionless rides while protecting card data.
Media & Entertainment
Subscription video platforms rely on secure in-app purchases, parental controls and regional pricing. Smartbrain’s React/Node devs implement DRM-aware payment SDKs and biometric parental gates, increasing retention and ARPU.
Travel & Hospitality
Augmented JavaScript engineers craft multi-currency booking engines, secure loyalty wallets, and PSD2-compliant pay-by-link flows that minimize check-in friction across airlines and hotels.
Education & e-Learning
LMS platforms gain protected course transactions, voucher redemption and student installment plans. JavaScript specialists integrate Stripe, PayPal and regional gateways while meeting COPPA and GDPR-K requirements.
IoT & Smart Devices
Connected appliances now sell consumables directly. Developers embed tokenized micro-payments, MQTT auth and offline fallback wallets so devices charge only when power or Wi-Fi returns.
Gaming & Esports
High-frequency in-game purchases need millisecond processing. Augmented Node.js teams add WebSocket-based billing, fraud detection and parental spend limits, keeping latency low and compliance high.
Mobile Authentication Payment Solution Case Studies
NeoBank Instant Card Issuing
Client: Series-B digital bank.
Challenge: Their mobile authentication payment solution struggled to pass PSD2 SCA while provisioning virtual cards inside 5 seconds.
Solution: Two Smartbrain JavaScript engineers rewrote the React Native front-end and developed a Node.js tokenization micro-service. Using WebAuthn and dynamic linking, they aligned flows with EBA standards.
Result: 38% faster card issuance and 0 compliance findings in audit.
Global Retail Checkout Revamp
Client: Fortune-500 fashion retailer.
Challenge: Legacy SPA caused 12% cart drop during mobile authentication payment solution step.
Solution: Augmented Vue.js squad introduced one-tap wallets, adaptive 3-D Secure and server-side rendering. Tight Jira integration let them ship features parallel to in-house team.
Result: Mobile conversion up 18%, average response time down 47 ms.
Tele-Health Secure Billing
Client: US telemedicine startup.
Challenge: Needed HIPAA-compliant mobile authentication payment solution for recurring co-pays.
Solution: Smartbrain supplied a TypeScript architect and QA lead. They built Stripe-based subscription logic, tokenized PHI, and automated Cypress tests covering 94% of flows.
Result: First-claim approval rate increased to 99.2% and release cadence improved from monthly to bi-weekly.
Book Your 15-Min Discovery Call
120+ JavaScript engineers placed, 4.9/5 avg rating. Book a quick call and receive a shortlist of vetted mobile authentication payment solution specialists within 48 hours.
Our Core Services
Custom Payment SDK
We craft white-label JavaScript SDKs that drop into any iOS, Android or PWA app, enabling tokenized payments, biometric auth and real-time fraud checks without exposing PCI scope. Outstaffing lets you iterate the SDK continuously while keeping core team lean.
Biometric Integration
Augmented specialists implement FaceID, TouchID and FIDO2 WebAuthn across browsers, ensuring frictionless yet compliant login flows. Businesses gain higher conversion and lower chargeback risk with no long recruitment cycles.
Tokenization Layer
Our Node.js experts build and maintain secure token vaults that replace PAN data, meeting PCI-DSS Level 1. Outstaffing keeps the vault staffed by niche pros without full-time overhead.
PSD2 & SCA Compliance
Consultants versed in EU regulations audit your codebase, patch gaps and produce regulator-ready documents. Engage them only for the audit window and avoid permanent payroll cost.
Legacy-to-Mobile Migration
We refactor monolithic checkout modules into responsive React or Vue components, adding progressive web features and offline safeguards. Augmentation ensures zero downtime releases.
24/7 DevOps Support
Round-the-clock SRE teams monitor payment nodes, auto-scale Kubernetes clusters and roll back faulty builds. Flexible contracts let you dial capacity up for big launches then scale down.
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