UK FINTECH PLATFORM
Calculation engine for managing fee structures
The challenges our client faced
A fast-growing investment platform serving multiple employers needed a reliable way to manage complex fee models across products and transaction types, without losing accuracy, performance, or compliance.
Complex fee models at scale
Fees vary by portfolio, fund, and account, with additional rules for specific products.
High-volume daily processing
Consistent daily calculations under peak loads, with predictable runtimes, resilient retries, and stable integrations.
Auditability and compliance
Traceable calculations with clear inputs, rule versions, and reproducible outputs for reviews and internal controls.
Flexible configuration
Operations teams can define, update, and validate fee structures without code changes or deployment cycles.Scalable, compliant fee automation
A secure calculation engine that automates complex fee structures while staying transparent, configurable, and ready for product expansion.
How we solved it
We designed and built a calculation engine optimized for correctness, configurability, and performance, so fees remain accurate even as products and rules evolve.Frontend
Clear, employer- and employee-facing interfaces that simplify setup, contributions, and monitoring.
Backend
A reliable processing layer for contributions, pooled trading, and dynamic commission models with high accuracy.
Data & infrastructure
Event-driven workflows and secure cloud infrastructure designed for continuous processing at scale.
The results
The solution brought significant improvements across key areas, directly addressing the client's main challenges.
Enhanced accuracy in daily fee calculations
Compliance with industry requirements
Flexible fee management without new releases
