Sivoxi
CASE STUDY

A secure Earned Wage Access (EWA) platform

We engineered a centralized liquidity platform from scratch, enabling employees to securely withdraw accrued net earnings early while providing seamless corporate payroll ledger reconciliation and contractor onboarding.

  • UX Design
  • UI Design
Three PayDay earned wage access application screens

Client Industry

Financial Technology (FinTech)

Project timeline

28 weeks

Services Provided

  • System & Product Design
  • Mobile App Development
  • Web App Development
  • API Integration & Development
  • Quality Assurance & Automated Testing

Tech Stack

  • NodeJS
  • Flutter
THE BRIEF

The challenge

PayDay needed a highly secure, transaction-heavy liquidity platform built from scratch to eliminate traditional payroll cycle friction without breaking corporate accounting rules.

PayDay needed a highly secure, transaction-heavy liquidity platform built from scratch to eliminate traditional payroll cycle friction without breaking corporate accounting rules.

In the high-growth FinTech sector, PayDay aimed to pioneer Earned Wage Access (EWA) by allowing salaried employees and contractors to safely withdraw accrued net earnings before the designated end-of-month processing window. However, operating this real-time liquidity platform required managing complex ledger updates across distinct corporate and banking tiers, demanding a flawless data architecture to mitigate severe execution risks.

Before the platform could achieve sustainable corporate distribution, it required comprehensive backend engineering. The system had to overcome hurdles like handling inconsistent mobile login authentication, securely matching early loan advances to the employer's final monthly ledger run, and manually onboarding independent contractors outside standard payroll software constraints.

ENGINEERING & DESIGN APPROACH

The solution

SIVOXI designed and launched the PayDay platform from absolute inception, engineering a centralized, highly secure administration framework built upon Node.js RESTful API architectures and cloud-hosted data structures.

PayDay application dashboard on a mobile phone
  1. 01

    Dual-Engine Payroll Integration Grid

    We engineered secure data exchange pipelines to interface seamlessly with SimplePay via secure API tokens and integrated Sage 300 via SSL bindings, pulling master employee records accurately.

  2. 02

    Exact Automated Ledger Reconciliation

    Mobile cash withdrawals are calculated explicitly against accrued net salaries. At cycle close, advances are dynamically rolled into a centralized repayment line item within the core software engine.

  3. 03

    Contractor Onboarding Matrix

    A custom manual setup utility was built into the live administrative panel, allowing administrators to override constraints, input raw metrics manually, and release advances without breaking validation rules.

MEASURABLE IMPACT

Key results & impact

15+

Corporate Companies Onboarded

PayDay successfully transitioned from an isolated staging sandbox to live production, rapidly integrating multiple corporate workforces into the active ecosystem.

6,000+

Employees Actively Onboarded

The secure, centralized platform architecture allowed for the rapid, safe, and frictionless onboarding of thousands of salaried and contract workers.

10,000+

Advance Approvals Disbursed

Employees are successfully accessing early liquidity, with fully reconciled ledger records matching their accrued net earnings with zero tax impact.

DELIVERABLES

Visual showcase

High-fidelity screens, device mockups, and architecture views from the final delivered product.

PayDay biometric login screen
PayDay application screens displayed on three phones
PayDay payroll and transactions screens
PayDay learning and account screens
PayDay advance request held in one hand
TESTIMONIAL“
Throughout the project, the SIVOXI team tackled complex integrations and navigated strict compliance hurdles. Their engineers are incredibly knowledgeable, quick to resolve complex technical challenges, and deeply committed to delivering a rock-solid, secure product. If you need a development partner who can handle heavy-duty engineering, I highly recommend them.
Alexander LazaridesBusiness Development Manager
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CLIENT SATISFACTION5/5
AS REVIEWED ON
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