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JaDE — Mid-Market On-Premise AI HR Solution
JaDE is a configuration-based On-Premise AI HR Solution optimized for implementing the unique HR policies of mid-sized and small businesses.
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From manual work to a system — the shift for mid-sized companies' HR teams, starting with JaDE
This guide was created for HR leads and managers who run HR operations with a small team at mid-sized companies of 200–1,000 employees.
The night before payroll close, you're reopening the attendance spreadsheet again. Did this person take a half-day or a full day of leave? Is the withholding tax calculated correctly? You double-check. The notice that this month's ordinary-wage standard had changed arrived only this morning. If this scene feels familiar, this guide is for you.
According to Ministry of Employment and Labor statistics, reported unpaid-wage claims reached KRW 1.7845 trillion in 2023. Labor experts point out that a substantial share of this stems not from intentional non-payment but from errors in calculating statutory allowances and severance pay. In other words, payroll processed manually every month can turn into legal risk at any time. * Source: Ministry of Employment and Labor, annual unpaid-wage status (as of 2023)
This guide doesn't re-explain why you need an HR system. It helps you set priorities for what to change first (Section 1), diagnose where the gaps are in your organization's setup (Section 2), and presents the criteria you should actually verify when choosing a solution (Section 3). Section 4 shows how this structure works in JaDE.
A small HR team has limited resources. Changing everything at once is impossible. First, you need this distinction.
| System-automation zone — routine work | Manager-focus zone — non-routine, strategic work |
| Aggregating attendance data and flagging anomalies | Employee interviews, conflict mediation, culture diagnosis |
| Payroll calculation, payroll ledger, transfer processing | Hiring interviews, competency assessment, talent decisions |
| Auto-issuing employment, career, and salary certificates | Performance-goal coaching, capability-development counseling |
| Filing the four major insurances, withholding tax, local tax | Designing reorganizations, building workforce plans |
| Generating, prompting, and tracking remaining annual leave | Retaining key talent, detecting attrition risk early |
Automation isn't about removing the manager's role. It's about reclaiming the time drained by repetitive work and spending it on real HR work. Having a manager do by hand what a system could handle is a waste of organizational resources.
You can't automate everything at once. Setting the order by the criteria below lets you minimize the initial investment while removing the biggest risks first.
Criteria: high-frequency work where errors create legal risk / applies to: payroll calculation, four-major-insurance filing, annual-leave management
As noted earlier, a substantial share of unpaid-wage reports arise not from intent but from calculation errors. This zone—processed manually by a manager every month—is exactly the structure of "doing the work you most can't afford to get wrong in the way most prone to error."
Criteria: high-frequency work where errors create employee complaints / applies to: certificate issuance, attendance aggregation, personnel-action processing
Requests that pour onto the manager—"just one employment certificate" or "checking remaining leave days"—look small individually, but they slice away a day's worth of focus. Restructuring so employees handle these themselves via ESS (employee self-service) noticeably reduces the manager's felt burden.
Criteria: low-frequency work that involves the manager's judgment / applies to: performance-evaluation aggregation, training-completion reporting
In this zone, designing the policy comes before the system transition. Introducing an evaluation module while the evaluation policy is still unsettled only amplifies confusion. The realistic approach is to address it sequentially after the Priority 1 and 2 zones have stabilized.
Try to change everything without priorities and nothing changes. Converting the legally risky Priority 1 work to a system first, then expanding to the next stage once operations stabilize, is the approach that fits a small HR team.
Once you've identified the priorities, the next step is to concretely confirm where the gaps are in your organization's current setup.
The checklist below diagnoses a small HR team's operating system along three axes: system, process, and policy. If three or more "Immediate" items are unchecked, improving your operating system is urgent. In particular, the "Immediate" items on the system axis are directly tied to legal risk.
In a structure where data doesn't converge in one place, any effort has limits.
| Check | Item | Priority |
|---|---|---|
| HR, payroll, attendance, and evaluation data are managed in linkage within a single system | Immediate | |
| When laws change (52-hour week, ordinary wage, tax law), the system reflects them automatically | Immediate | |
| Employees use ESS to request leave, issue certificates, and view pay statements themselves | Short-term | |
| Leadership can instantly view workforce and labor-cost status as reports | Short-term | |
| When a system fault or error occurs, the vendor's dedicated team responds directly | Mid-to-long |
Even with a system in place, if processes aren't systematized the system won't work fully either.
| Check | Item | Priority |
|---|---|---|
| There is a work manual that documents the payroll-close schedule and each person's role | Immediate | |
| Onboarding and offboarding processes are standardized as checklists | Immediate | |
| When an HR manager changes, there's a system enabling full handover within a week | Short-term | |
| Department heads' HR requests (personnel actions, leave, overtime) are processed via system approval | Short-term | |
| Regular HR reports (monthly, quarterly) are auto-generated in a standardized format | Mid-to-long |
If policy isn't reflected in the system, no matter how good the infrastructure is, it won't work in the field.
| Check | Item | Priority |
|---|---|---|
| Your company's unique work arrangements (flextime, remote, etc.) are accurately reflected in the system | Immediate | |
| Ordinary-wage and allowance calculation criteria reflect the latest legal interpretation | Immediate | |
| Evaluation programs (MBO, competency, multi-rater, etc.) are run within the system | Short-term | |
| Training completion and certification history are managed in the HR system in an integrated way | Short-term | |
| Performance and capability data actually connect to compensation, promotion, and development decisions | Mid-to-long |
Once you've checked the diagnosis results, the next step is to judge which solution can fill these gaps.
The most common mistake when comparing solutions is looking only at the feature list and the price. What actually becomes a problem after adoption arises not from features but from structure. Verify the 10 criteria below in order, in three groups. If the first group isn't met, there's no need to look at the rest.
If these three don't fit, no feature matters.
Can your company's unique HR policies and complex payroll rules be implemented through configuration, without separate development? If customization requires extra development cost, total cost of ownership (TCO) balloons quickly.
Are labor-law amendments such as the 52-hour week and tax-law changes reflected in the system through the vendor's regular updates? Laws change every year. If amendments aren't delivered as standard, you'll have to respond with separate development each time. Beyond the manager's manual burden, this becomes a structural cost where extra development is incurred whenever the law changes.
Can it go live stably within 3–5 months without excessive customization? Projects whose build period exceeds six months lose their initial momentum as field fatigue accumulates.
These are the screens HR managers and employees use every day after adoption. Real usability determines the manager's workload.
Can employees request leave, issue certificates, and view pay statements directly via mobile and web? Without ESS, individual requests pour straight onto the manager.
Is the screen system one that HR managers and general employees can adapt to immediately, even without a guide? A system that's hard to use is one nobody uses. It's the biggest cause of employee resistance in the early stage of adoption.
Does it connect via standard APIs with your current groupware, ERP, and e-approval systems? If integration fails, you end up re-entering data manually in duplicate.
What comes after the build matters more. Laws keep changing and organizations keep growing. Confirm in advance whether the partner can grow with you.
After the build, does a dedicated maintenance organization continue to support legal compliance and system enhancement? Be sure to confirm that it's specified in the contract terms.
Can you instantly extract workforce-status and labor-cost simulation dashboards that support leadership decisions? If manual processing in Excel is needed, the HR team's reporting burden won't decrease.
When you establish affiliates or expand overseas entities, can you manage them in an integrated way within one system? Choose with the 3–5-year organizational growth scenario in mind.
Can you finely control the rights to view and edit HR information by rank, department, and role? An incident exposing payroll information seriously damages organizational trust.
What mid-sized companies' HR teams most often overlook is automatic legal-change updates and a long-term maintenance partnership. No matter how good the features are, if development is required whenever labor law changes—or if it isn't maintained—the manager's manual burden grows and system obsolescence can accelerate.
If several "Immediate" items in the Section 2 checklist were left blank, those blanks are the risk your organization is currently absorbing. Legal risk, work gaps, and manager burnout are piling up in concrete form.
JaDE is designed in exactly the order of automation priorities and system diagnosis presented in this guide. You can transition step by step—Priority 1 (automate immediately) → Priority 2 (standardize processes) → Priority 3 (implement policy)—and at each stage HCG's dedicated team handles legal compliance and system enhancement with you.
If there are items you couldn't check on the Section 2 system axis, convert this zone first. Keeping this zone manual is, realistically, too great a risk.
Filing data is calculated automatically in linkage with attendance and payroll data. The monthly manual aggregation disappears.
Statutory leave management is automated. Prompting alerts and expiry history are recorded in the system and serve as evidence in legal disputes.
Employees handle leave requests, certificate issuance, and pay statements directly from their smartphones. The individual requests pouring onto the manager drop sharply.
Blanks on the Section 2 process axis become an immediate problem when a manager changes. JaDE brings the process itself inside the system.
Centered on personnel actions, the full process—attendance, payroll, evaluation—links automatically. When calculating allowances or setting evaluation subjects, it automates subject creation, aggregation, and period calculation.
Attendance is auto-aggregated by organization and individual according to your criteria, and payroll is calculated based on the aggregated records. Data linkage minimizes reconciliation and manual work.
Once a request submitted in ESS passes the approval process, the request content is automatically linked to the work screen. Various benefit requests, certificate issuance, and HR-information change requests are reflected automatically in the system without separate work by the manager.
Blanks on the Section 2 policy axis are filled in sequentially after Priorities 1 and 2 stabilize. With 590+ configuration features, JaDE implements a company's unique work arrangements and evaluation programs with no separate development.
Implement diverse arrangements—flextime, remote, scheduled shifts—through configuration. You can apply your company's own work programs with no separate development cost.
Provides an integrated suite—achievement, competency, 360-degree, multi-rater, and incentive simulation. The repetitive manual operation burden every evaluation season disappears.
For benefit programs of various kinds, implement company-tailored request forms through configuration. You can manage request criteria and amounts and link them automatically to payroll.
For JaDE adoption, a dedicated consultant with 10+ years of hands-on HR experience completes the setup directly. The manager doesn't need to pour energy into the build work.
Thanks to the JaDE Implementation methodology, the build period is 3–5 months—about 60% of a typical build-type solution. Even after the build, legal compliance and system enhancement are supported continuously through a single point of contact.