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.

FRISS is a global provider of AI-powered fraud detection and risk assessment solutions for insurance companies worldwide.

• Developed backend services for insurance fraud detection platforms used by global insurers.

• Implemented and optimized REST APIs using Python, Django, and FastAPI.

• Improved ETL pipelines through asynchronous programming and multiprocessing to handle large datasets efficiently.

• Built internal dashboards and analytics tools to support fraud analysts and operational teams.

• Designed, deployed, and maintained Kubernetes-based microservices in production.

• Implemented CI/CD pipelines and improved overall development workflows and release processes.

• Worked extensively with Kafka, Redis, Elasticsearch, and relational databases to support real-time fraud scoring.

• Collaborated with cross-functional teams in a distributed, international environment.

GeoComply is a global leader in geolocation compliance and fraud prevention solutions for the gaming and online betting industry.

• Built high-traffic geolocation fraud detection systems serving a global customer base.

• Developed backend services using Python, Django, and Flask, with real-time data processing.

• Contributed to frontend development using JavaScript-based frameworks.

• Led a small engineering team, supporting task planning, code reviews, and delivery.

• Designed and managed CI/CD pipelines, improving release reliability and deployment speed.

• Proposed and implemented improvements to software engineering practices across the department.

ETH Zürich is one of Europe’s leading science and technology universities, with a strong focus on advanced research and applied data science.

• Built web applications to support research in social network analysis.

• Implemented systems for network anomaly detection and large-scale graph data analysis.

• Developed automated data scraping and processing pipelines for research datasets.

• Supported researchers by translating analytical requirements into robust software tools.

VAY AG is a healthcare technology company focused on digital fitness and coaching solutions.

• Developed real-time fitness coaching backend services.

• Implemented backend APIs centered around computer vision and deep learning models for exercise error detection.

• Integrated machine learning outputs into real-time application workflows.

• Contributed to frontend application development in a cross-functional team.

Bosch Global Software Technologies is the engineering arm of Bosch, delivering embedded and automotive software solutions worldwide.

• Developed and tested automotive software systems, including Cruise Control and Forward Collision Warning.

• Worked with embedded and safety-critical systems under strict quality standards.

• Reviewed and managed software requirements specifications.

• Recognized with awards for excellent technical contributions to automotive projects.