experience

Experience

12 years of software engineering across embedded systems, distributed backends, and fintech platforms.

Oct 1, 2025

Staff Software Engineer - Payments

Established the Compliance Service as a new domain covering transaction monitoring, screening, and sanction checks – authored the tech spec, interface definitions, and led the ComplyAdvantage integration. Built a cronjob monitoring tool in Backstage aggregating data across multiple systems. Authored operational runbooks for Kafka DLT alerts, settlement reports, and compliance state handling. Member of the architecture team. Drove Spring Boot 3 to 4 migration including upstream contributions to openapi-generator for Jackson 3 support.

Apr 1, 2025

Staff Software Engineer - Risk

Co-designed and built the Risk Orchestrator service using hexagonal architecture. Led the Ravelin integration for improved fraud detection, including release planning and cross-team coordination. Authored the Buyer Risk Assessment target architecture. Wrote specs for tokenization, direct debit risk, and recurrent identification. Drove API-first with OpenAPI across all risk services. Led “EDA 2.0” to improve event-driven architecture practices.

Nov 1, 2023

Senior Software Engineer - Risk

Built real-time fraud detection features with Apache Flink (velocity features per email/device). Led the graph database POC (Neo4j) for fraud detection, later extended with IBAN integration. Enabled the risk scoring model and introduced provider fraud labelling for refinancing. Applied engineering best practices to Python CI/CD pipelines. Managed Kafka infrastructure via Terraform (topic creation, permissions, DLT retention). Attended Flink Forward 2024 and brought learnings back to the team.

Jun 1, 2019

Backend Software Developer

Built a unified money library used across backend and Android. Created an authorization and permissions management library. Designed a sales management platform with clean domain separation. Migrated 6 years of historical data with minimal production impact using a separate deployment strategy. Reduced new service setup from 1 week to 1-2 hours with a repository template. Implemented service-level objective monitoring. On-call for critical payment systems.

Dec 1, 2017

Backend Software Developer

Java and Python application development on distributed systems. Refactored a product’s cache system improving performance and reliability. Built an automated release notes generator integrating Python 3 and Jira.

Aug 1, 2014

C++/C# Junior Developer

Developed algorithms on next-generation vision processing chips in C++. Created calibration processes for production lines (C++, C#, Python, Matlab). Established production lines in South Korea and China – logistics, equipment setup, and training.