Why outstaff for enterprise payment system migration?
Direct hiring drags on for months, drains HR budget, and locks you into fixed payroll costs. Smartbrain.io lets you plug-in senior Java engineers on-demand—all of them battle-tested on PCI-DSS, tokenisation, and high-volume settlements.
You keep full technical control while we shoulder sourcing, vetting, hardware, HR, and retention. No recruitment fees, no idle benches: scale teams up or down in days and pay only for productive hours. NDAs and strict IP clauses guarantee code ownership.
Result: faster go-lives, lower risk, and the freedom to focus on roadmap instead of payroll mechanics.
48-Hour Staffing
Cut HR Overhead
Elastic Team Size
Pay-As-You-Go
PCI-Ready Talent
Zero Recruitment Fees
Seamless Time-Zone Match
Proven Java Experts
IP & NDA Safety
Instant Replacement
Lower Attrition Risk
Focus On Core
What leaders say about enterprise payment system migration staffing
“Smartbrain’s Java squad integrated in 48 hours and refactored our legacy settlement batch into a streaming pipeline. Sprint velocity jumped 32 % while my core team stayed focused on new features.”
Olivia Brooks
CTO
MetroPay Solutions
“Their PCI-DSS-certified Java devs built tokenisation layers that passed audit first time. Onboarding took a single morning, saving us weeks and letting clinicians keep billing uninterrupted.”
Marcus Reed
VP Engineering
VitalHealth Systems
“We replaced three contractors with two Smartbrain engineers and still delivered our enterprise payment system migration 6 weeks early. Error rate fell 43 % after their rigorous Java code reviews.”
Sandra Chen
Engineering Manager
ShopSphere Inc.
“Smartbrain filled senior Java roles in two days, versus the 2-3 months we quoted locally. Continuous integration of their devs raised deployment frequency 2× while HR costs shrank.”
Daniel Price
Head of Platform
BlueWave Capital
“Their Java architects guided our Oracle-to-PostgreSQL migration, mapping 1 B+ transactions with zero data loss. SLA compliance stayed at 99.99 % throughout cut-over.”
Grace Miller
Director of Technology
FirstState BankTech
“Smartbrain’s outstaffed Java developers created micro-services for our 60-million-subscriber billing platform. CPU usage dropped 28 % and we avoided a costly internal hiring spree.”
Robert Sanders
Chief Architect
Connectiva Wireless
FinTech Platforms
FinTech firms count on Java engineers to decouple monolithic payment engines, implement real-time settlement, and integrate new PSPs. Migration tasks include refactoring legacy Spring apps, hardening security layers for PCI-DSS, and adding support for open-banking APIs—all while keeping transaction latency under strict SLAs.
E-Commerce Marketplaces
E-commerce giants need seamless checkout. Java augmentation teams migrate ageing gateways to micro-service architectures, implement fraud-detection engines, and localise payment methods—Alipay, Klarna, Apple Pay—without downtime or cart-abandon spikes.
Banking Core Systems
Banks rely on Java to re-platform COBOL or PL/SQL payment modules onto cloud-native stacks. Outstaffed specialists modernise batch clearing, design ISO 20022 messaging, and ensure zero-loss data migration during weekend cut-overs.
Healthcare Billing
Healthcare providers demand HIPAA + PCI compliance. Java teams migrate claim payment workflows, tokenise sensitive card data, and enable FHIR-compatible billing APIs while maintaining 99.99 % availability for patient portals.
Insurance Tech
InsurTech platforms leverage outstaffed Java engineers to transition premium payment modules from mainframes to cloud, embed real-time underwriting fees, and integrate third-party payment orchestration into policy systems.
Telecommunications
Telecom operators process millions of micro-transactions daily. Java experts refactor prepaid/post-paid billing engines, migrate charging gateways, and introduce dynamic pricing without service disruption.
Travel & Hospitality
Airlines and OTAs shift from legacy ticketing payment stacks to NDC-compliant services. Augmented Java developers handle settlement with global GDSs, multi-currency support, and refund workflows.
Retail POS Networks
Omni-channel retailers migrate in-store POS payment logic to centralised services, unify loyalty wallets, and roll out contactless payments across 1,000+ stores—all powered by Java Spring Boot micro-services.
Logistics & Supply Chain
3PL providers tap Java augmentation to modernise freight payment modules, introduce instant carrier settlements, and link with trade-finance APIs, ensuring cash-flow visibility across global lanes.
Enterprise Payment System Migration Case Studies
Card-Network Gateway Overhaul
Client: Tier-1 FinTech gateway.
Challenge: The company faced an enterprise payment system migration from a monolithic Java EE stack to a cloud-native micro-service architecture under PCI DSS v4.0 deadlines.
Solution: Smartbrain supplied four senior Java specialists within 48 h. They isolated critical settlement logic, containerised services with Spring Boot, and set up Canary deployments on AWS EKS.
Result: 37 % lower latency on peak loads, 0 critical defects during cut-over, and annual hosting spend down by 22 %.
Healthcare Billing Platform Migration
Client: US multi-hospital network.
Challenge: Undertake an enterprise payment system migration from on-prem Oracle to secure cloud while keeping claim payments live.
Solution: Two Smartbrain Java architects designed dual-write replication, while three augmented developers rewrote payment adapters to use token-based authentication and FHIR HL7 APIs.
Result: 99.995 % uptime maintained throughout, reimbursement cycles shortened by 15 %, and compliance audit passed on first attempt.
Global Retail Checkout Modernisation
Client: Fortune-500 omni-channel retailer.
Challenge: Complete an enterprise payment system migration to support 15 new payment methods before holiday season.
Solution: Six Smartbrain Java engineers integrated an orchestration layer, implemented retries with Kafka, and deployed blue-green releases across 2,300 stores.
Result: Cart-abandon rate dropped 8 %, transaction throughput increased 54 %, and project delivered 6 weeks early.
Book a 15-Minute Call
120+ Java engineers placed, 4.9/5 avg rating. Get payment-savvy talent that delivers compliant code, faster releases, and lower cost—risk-free.
Legacy Gateway Re-engineering
Senior Java engineers disassemble brittle payment gateways, refactor huge JDBC codebases into Spring Boot micro-services, and wrap them with REST/GraphQL APIs. Outstaffing means you retain roadmap control while experts tackle performance tuning, PCI hardening, and zero-downtime migrations—without adding permanent headcount.
API Layer Modernisation
Our augmented Java teams design idempotent payment APIs, introduce OAuth2, and ensure backward compatibility. Businesses gain faster partner onboarding and reduced fraud thanks to rate-limiting, all while paying only for active sprint capacity.
PCI DSS Compliance Upgrade
Compliance veterans audit your code, isolate cardholder data, and implement tokenisation libraries. Outstaffed engagement slashes audit prep time and shifts CAPEX to OPEX, letting you pass QSA review on schedule.
Real-Time Settlement Module
Java specialists build low-latency settlement engines using Reactor and Kafka Streams, enabling T+0 payouts. Outstaffing delivers niche skills for peak phases, then scales back post-launch.
Cross-Border Payments Enablement
Engineers integrate FX services, multi-currency wallets, and local payment methods. You enter new markets 3× faster while avoiding the full-time payroll burden.
Automation & QA for Payments
Test-driven Java pros craft simulators for card schemes, build Cypress suites, and automate regression. Result: fewer chargeback disputes and confidence to release on Fridays.
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