Ecommerce · APAC · Staff Augmentation
Revolutionizing B2B Ecommerce: 4-Month Transformation of a Global Marketplace
A large B2B marketplace running global transactions on payment infrastructure that belonged to a different era. The platform worked. But it was slow, region-locked, and completely unequipped for what international commerce actually demands in 2024. Fixing it required a team with fintech depth, not just strong developers.
Specialists deployed
15
Duration
24 mo
Engagement model
Staff Augmentation
"The team understood the complexity of what we were dealing with from the start. Payment infrastructure at this scale has no margin for error, and they treated it that way. Twenty-four months is a long engagement and the consistency never dropped. We came out the other side with a system we are confident in."
— CTO
Your Payment Infrastructure Is Stuck in the Past
There is a specific kind of technical debt that does not show up in error logs.
It shows up in sales calls that stall because a buyer's country is not supported. In transactions that fail at checkout because the currency conversion is not there. In sellers who quietly move to a competitor platform that handles their region properly.
This B2B marketplace had built something real. But its had not kept pace with where the business was trying to go. Region-specific gateways with no multi-currency backbone. Legacy integrations so tightly coupled that every update carried risk. Security architecture that fell short of PCI DSS. And underneath all of it, a system that had never been designed to absorb the traffic spikes that come with running promotions on a global platform.
The decision to rebuild was not a technology decision. It was a business one. The platform had hit a ceiling, and the ceiling was the payments layer.
Building a Team That Understands Fintech Nuances
The constraint that defined this project was not technical complexity. It was that the platform was live, with real businesses running real transactions through it every day. That changes what kind of team you need - engineers who understand fintech architecture and can operate inside a live production environment at the same time.
Talex put 15 specialists in front of the client to interview and select directly: one Project Manager, eight developers, two DevOps engineers, two UI/UX designers, and two QA engineers. All with verified fintech and payments domain experience. All embedded inside the client's systems from day one, with Talex managing the people side throughout so the client never had to.
The team audited the existing stack before touching anything, adopted microservices to isolate payment logic by region, integrated global and regional gateways in sequence, and built ML fraud detection on top of historical transaction data. CI/CD pipelines kept deployment risk low. The rollout went region by region - each market live independently, learnings from one informing the next.
Team Architecture
Request similar team →Project Manager
Senior
Developer
Mid-Senior
DevOps Engineer
Senior
UI/UX Designer
Mid-Senior
QA Engineer
Mid
Stack & Compliance
Transformation Through Adaptation
Successfully overhauling the payment infrastructure transformed the platform's capabilities. The global marketplace could now handle multi-currency transactions seamlessly, and the new infrastructure was robust enough to support peak traffic without degradation. Fraud detection was drastically improved, leading to a significant reduction in fraudulent transactions.
By aligning team composition with project phases, Talex ensured that resources were efficiently utilized throughout the 24-month engagement. The project's success was reflected not just in system performance but also in business metrics: a 30% increase in active users and a 25% surge in sales revenue for sellers were direct outcomes of the enhanced payment capabilities.
30% (User Growth)
Increase in platform users due to expanded market reach.
70% (Fraud Reduction)
Significant decrease in fraudulent transactions enhancing trust.
25% (Revenue Growth)
Substantial increase in sales revenue for platform sellers.
3x peak volume (Transaction Scalability)
Handled promotional traffic surges without degradation.
70% reduction (Fraud Detection)
ML-based detection reduced fraudulent transactions immediately.
PCI DSS certified (Compliance Coverage)
Achieved full security compliance across all integrations.
Timeline
Audit and Planning · 3 months
Detailed audit of existing systems and strategic planning.
Architecture Design · 4 months
Implementation of microservices architecture and gateway integrations.
Development and Testing · 12 months
Building and testing new payment infrastructure and fraud detection systems.
Phased Rollout and Optimization · 5 months
Gradual rollout across regions with continuous optimization.
Business Outcomes
- →30% : increase in active users post-implementation.
- →70% : reduction in fraudulent transactions.
- →25% : increase in sales revenue for active sellers.
Engineering Excellence
- →Transaction Scalability : 3x peak volume : Platform absorbed a threefold traffic surge during first major promotional event with zero performance degradation
- →Fraud Detection : 70% reduction : ML models trained on historical transaction data, operational from day one of launch
- →Certified Compliance : PCI DSS : Full security compliance achieved across every regional payment integration
Why Talex
Speed of Deployment 13 days
Delivered a specialized team within days, ensuring project timelines stayed on track.
Specialized Talent
Provided fintech specialists with domain-specific expertise critical for the project.
Flexible Team Structure
Adjusted team composition seamlessly with project phases to optimize resource use.
Services
Related Projects
1.5 million users. Zero tolerance for downtime. One team to build it right.
Hiring a generalist for a specialist problem isn't a solution. It's a delay with extra steps.
