Payroll Software Development for a Multi-Country Employer of Record: Aggie
Custom payroll software development for Blueback Global, an international employer of record. The Aggie platform standardizes payroll, contracts, and HR across countries, built as a real engagement (team, timeline, investment), not a theoretical estimate.
- Geography
- Cupertino, California, United States
- Year
- 2020
- Stage
- 51-200 employees
- Team
- 1 full-stack engineer, 1 UI designer, 1 project manager
- Duration
- December 2020 to ongoing
- Engagement size
- $50,000 to $199,999
The situation
Blueback Global is an international employer of record. Its clients employ people across multiple countries, and Blueback handles the contracts, the payroll, and the compliance for each one. Blueback needed payroll software development that could hold that complexity without a separate workflow for every jurisdiction: every country has different contract shapes, different payroll cycles, and different reporting requirements, and client communication was scattered across email, spreadsheets, and shared drives.
The brief was a single platform, called Aggie, that bridges Blueback and its clients. One place to manage every employee across every country, with the variability in contract shape and payroll mechanics handled as data rather than as a separate process per jurisdiction.
For any employer of record weighing whether to build or buy payroll software, this is what an actual build looks like: real team, real timeline, real investment range, not a generic cost estimate.
What we built
Shipverra took this on as a Software Engineering build, starting with a small team: one full-stack engineer, one UI designer, and one project manager. The engagement began in December 2020 and has continued since, with the platform growing against Blueback's ongoing client need. The engagement has represented an investment in the $50,000–$199,999 range as the platform has grown.
Aggie handles employee management across countries with field structures that flex where they need to (contract terms, benefits, local tax handling) and stay consistent where they should not vary (audit trails, document signatures, monthly process checks). Integration with existing client systems means employee data flows into Aggie rather than being re-entered by hand — a detail that matters for any company evaluating HR software development for a multi-country roster.
The payroll engine is the core of the build:
- Monthly payroll checks that run automatically
- Discrepancy review surfaced before disbursement, not after
- Document automation covering generation, approval, and distribution of payroll documents to employees and clients
Client portals give Blueback's customers full visibility into their multi-country payroll without going through email.
Tech stack: Angular on the frontend, Node.js with Express and Knex.js on the backend, MySQL for storage, SendGrid for transactional email, and Google Cloud Platform for infrastructure.
"They design the project and develop solutions that guarantee the quality and useability of deliverables."
Engagement FAQ
How much does payroll software development cost?
For Blueback Global's Aggie platform, the engagement has represented an investment in the $50,000–$199,999 range, starting with a three-person team (one full-stack engineer, one UI designer, one project manager) in December 2020 and growing from there. Costs scale with the number of countries, payroll cycles, and integrations a platform needs to support — a multi-country build like Aggie sits at the higher end of that range because of the compliance and data-modeling work per jurisdiction.
What does custom payroll software development look like for a multi-country employer of record?
It starts with a data model that treats country-specific rules (contract shapes, payroll cycles, tax handling) as configurable data rather than as separate workflows per country. Aggie was built this way for Blueback Global, keeping the parts that must stay consistent, like audit trails and monthly checks, uniform across every jurisdiction while letting contract terms and local tax rules vary.
How big a team do you need to build a payroll platform like this?
Blueback Global's Aggie platform started with one full-stack engineer, one UI designer, and one project manager. The team has grown since the initial build as the platform's scope expanded, which shows a lean starting team can ship a working multi-country payroll platform and scale the build from there.
Can payroll software automate document generation and approval?
Yes. Aggie's payroll engine runs monthly checks, surfaces discrepancies for review before money moves, and automates the generation, approval, and distribution of payroll documents to both employees and clients.
How does payroll software avoid manual data re-entry when a client already has HR systems in place?
By integrating directly with the client's existing systems so employee data flows into the platform instead of being typed in twice. That is how Aggie handles onboarding for Blueback Global's clients across countries.
What should a client portal for multi-country payroll actually show?
In Aggie's case, the client portal gives Blueback Global's customers full visibility into their payroll across every country they operate in, without needing to request updates over email.