Johan Avril Yansen Email & Phone Number

Tech: Go, NodeJS, MongoDB, PostgreSQL, RabbitMQ, Kafka, SNS/SQS, DatadogDesign new flow of API integration between Xendit and its merchants and lead the project with a team of 3 engineers to ensure the success of the project.Be the person in charge within the team to design and ensure the success of the company initiative to move out from RabbitMQ to Kafka & SNS/SQS.Identify gaps and contribute to company-wide OSS projects to add distributed tracing capabilities on SNS/SQS flow… Show more Tech: Go, NodeJS, MongoDB, PostgreSQL, RabbitMQ, Kafka, SNS/SQS, DatadogDesign new flow of API integration between Xendit and its merchants and lead the project with a team of 3 engineers to ensure the success of the project.Be the person in charge within the team to design and ensure the success of the company initiative to move out from RabbitMQ to Kafka & SNS/SQS.Identify gaps and contribute to company-wide OSS projects to add distributed tracing capabilities on SNS/SQS flow of the systems.Work in the Disaster Recovery working group to help to organize Game Day to help the product team to identify gaps and improve in multiple aspects such as process, systems, and technology. Also provide recommendations to the product team after the Game Day to improve the systems.Work with other senior ICs to plan out and execute the infrastructure migration from region X to another without downtime and data loss. Show less

Integrate with multiple bank partners to enable new payment channels for Virtual Account, and communicate with multiple stakeholder from external parties to both upstream and downstream service owners within the company.

Tech: Go, MySQL, Redis, gRPC, NSQ, ElasticsearchBuild an internal payment gateway between regional payment teams and Indonesia payment channels, specifically for Direct Debit and Over the Counter payment.Develop a dashboard to view detail of processed transactions and time-series data of the payment channel's growth presented in a graph.

Tech: Java, Google Pub/Sub, Redis, PostgreSQLDevelop event-driven service to sync every inventory data change such as room price and room availability to multiple Online Travel Agents.Develop back-end service to enable self-service experience for hotel guests, reducing 20% of overall guest time to check-in and check-out room.Develop features for hotel review and internal audit report in a PDF using Java templating engine.