Fullstack Developer

Trafigura is one of the world’s largest physical commodities trading groups, operating global trading, logistics, and energy businesses with highly data-driven front-office systems.

• Built and owned Python-based microservices for the Global Flow / TrafFlows initiative within the Data Science & Engineering team.
• Designed document ingestion pipelines, stored reports in Amazon S3 and DynamoDB, and injected structured references into downstream systems.
• Developed backend services supporting large-scale data ingestion, processing, and analytics used by front-office trading teams.
• Worked extensively with AWS services, including Lambda, S3, DynamoDB, Glue, and Redshift, in an enterprise cloud environment.
• Took ownership of production services, focusing on reliability, scalability, and maintainability in a high-impact commercial environment.

ARCUAL is a technology company building secure digital and blockchain-enabled platforms for the global art ecosystem, focusing on trust, provenance, and transaction integrity.

• Led backend development of a Kotlin + Spring Boot microservice platform supporting a production-grade digital product.
• Designed and implemented event-driven architectures using Apache Kafka for inter-service communication.
• Built and optimized REST APIs with a focus on scalability, security, and maintainable backend architecture.
• Contributed to search functionality powered by Elasticsearch, improving data retrieval and performance.
• Deployed and operated backend services in cloud environments using Infrastructure as Code (Terraform).
• Served as a senior technical reference within the team, supporting architectural decisions and mentoring teammates.

MTT Solutions is a consultancy delivering enterprise-grade document management, ECM, and ERP solutions for clients of various sizes.

• Reviewed and analyzed an existing Flutter codebase during an initial full-time onboarding phase.
• Identified architectural and code-quality issues and proposed improvements for long-term maintainability.
• Transitioned into a long-term part-time role, supporting application maintenance and incremental enhancements.
• Contributed to stabilizing and extending a production Flutter application used in enterprise environments.

Designed and built highly scalable backend services for multiple clients in Kotlin & Java, and Python as a freelancer.

• Developed a Singaporean HR platform.
• Built a neurosurgery AI assistant.
• Created a real estate phone call assistant.
• Developed a Shopify-like SaaS platform for the art industry.