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Definition of Reputation Credits
Josses Leono
Senior Software Engineer at Wayfair
Jakarta, Indonesia
Designing technical architecture from business requirements of stakeholders / clients. Building a timeline and creating stories and tasks for engineers. Refining team processes, leading and managing initiatives, projects, and engineers in the team.
Experienced in global supplier models, supplier performance dashboard page, and authorization services for e-commerce platform and API for banking industry. Experienced in embedded, backend, and frontend development using both agile and waterfall methodologies.
Skills / Tech Stack
Spring Boot - Java/Kotlin React - Javascript Symfony - PHP Python 
Kafka
Google Cloud - PostgreSQL MsSQL Docker Kubernetes 
Datadog
ASP.NET - C# Android AWS 
Solarwind
Work Experience
Software Developer
Varengold Bank AG
June 2023 - Present
Hamburg, Germany (Remote)
Re-architect Middleware API to surface the legacy Core Banking System to be properly used by business clients
Senior Software Engineer
Wayfair GmbH
October 2018 - May 2023
Berlin, Germany
- Designing microservices architecture for User Authorization (300k requests/hour on 25% service adoption rate)
- Project leader for Team Member Management, 4 month project by 5 engineers
- Project leader on cluster agnostic URLs and multi-cluster failover to increase User Authorization resiliency. Converting 90% errors to 45ms additional latency on cluster-specific downtime (initial release)
- Subject Matter Expert on Python SDK to increase User Authorization adoption rate (17+ Python services)
- Designing microservices architecture for Global Supplier Model (200k international supplier entities)
- Subject Matter Expert on Istio for service-to-service communication security, leading 5 teams in 2 pods
- Subject Matter Expert on Single Purpose Database, leading 3 teams in the pod
Head of Research and Development
Xerioz Solution
March 2018 - December 2018
Jakarta, Indonesia
- Project leader for Astra Financial leasing Android application, 7 month project by 3 engineers
- Project leader for Phillip Morris Intl. - Asset Management System, 6 month project by 2 engineers
- Project leader for Phillip Morris Intl. - Central Communication Platform, 3 month project by 2 engineers
Lecturer
Bina Nusantara University
March 2018 - June 2018
Tangerang, Indonesia
- Keynote Speaker of IoT with Android workshop on 9-10 July 2018
- Teach practicum class of Micro-controller Design and Application
- Coordinate teaching materials, student's workload, and projects with theory class and university resources
Co-Founder / Embedded Engineer
Triple-Hex
April 2014 - February 2018
Jakarta, Indonesia
- Developing financial reports, Standard Operational Procedure, and processes supporting forms
- System Integrator for designing custom embedded automation solutions
- Developing wireless smart street lighting project using 2.4GHz low power communication
- Developing and releasing Indonesian Marine's Nano Satellite project
- Developing Inventory Management System that supports multiple online shops based on stock tracking and analysis ability
Senior Computer Engineering Laboratory Assistant
Bina Nusantara University
July 2010 - June 2013
Jakarta, Indonesia
- Develop practicum materials and teaching practicum class
- Research into basic electronic circuits and algorithms
- Manage courses for its documentation, materials and modules that will be used for that practicum for the following subjects: Physics, Discrete Electronics, Robotic Fundamental, and Robotics and Industrial Automation
- VHDL component research, design, and development using Xilinx Spartan 3-AN FPGA for practicum purposes
- Trainer for Junior Assistant
- Participate in various competitions
Education
2009 - 2013
Bina Nusantara University
Computer Engineering
Josses Leono
Senior Software Engineer at Wayfair
Jakarta, Indonesia
Designing technical architecture from business requirements of stakeholders / clients. Building a timeline and creating stories and tasks for engineers. Refining team processes, leading and managing initiatives, projects, and engineers in the team.
Experienced in global supplier models, supplier performance dashboard page, and authorization services for e-commerce platform and API for banking industry. Experienced in embedded, backend, and frontend development using both agile and waterfall methodologies.
Skills / Tech Stack
Spring Boot - Java/Kotlin React - Javascript Symfony - PHP Python Kafka
Google Cloud - PostgreSQL MsSQL Docker Kubernetes Datadog
ASP.NET - C# Android AWS Solarwind
Work Experience
Software Developer
Varengold Bank AG
June 2023 - Present
Hamburg, Germany (Remote)
Re-architect Middleware API to surface the legacy Core Banking System to be properly used by business clients
Senior Software Engineer
Wayfair GmbH
October 2018 - May 2023
Berlin, Germany
- Designing microservices architecture for User Authorization (300k requests/hour on 25% service adoption rate)
- Project leader for Team Member Management, 4 month project by 5 engineers
- Project leader on cluster agnostic URLs and multi-cluster failover to increase User Authorization resiliency. Converting 90% errors to 45ms additional latency on cluster-specific downtime (initial release)
- Subject Matter Expert on Python SDK to increase User Authorization adoption rate (17+ Python services)
- Designing microservices architecture for Global Supplier Model (200k international supplier entities)
- Subject Matter Expert on Istio for service-to-service communication security, leading 5 teams in 2 pods
- Subject Matter Expert on Single Purpose Database, leading 3 teams in the pod
Head of Research and Development
Xerioz Solution
March 2018 - December 2018
Jakarta, Indonesia
- Project leader for Astra Financial leasing Android application, 7 month project by 3 engineers
- Project leader for Phillip Morris Intl. - Asset Management System, 6 month project by 2 engineers
- Project leader for Phillip Morris Intl. - Central Communication Platform, 3 month project by 2 engineers
Lecturer
Bina Nusantara University
March 2018 - June 2018
Tangerang, Indonesia
- Keynote Speaker of IoT with Android workshop on 9-10 July 2018
- Teach practicum class of Micro-controller Design and Application
- Coordinate teaching materials, student's workload, and projects with theory class and university resources
Co-Founder / Embedded Engineer
Triple-Hex
April 2014 - February 2018
Jakarta, Indonesia
- Developing financial reports, Standard Operational Procedure, and processes supporting forms
- System Integrator for designing custom embedded automation solutions
- Developing wireless smart street lighting project using 2.4GHz low power communication
- Developing and releasing Indonesian Marine's Nano Satellite project
- Developing Inventory Management System that supports multiple online shops based on stock tracking and analysis ability
Senior Computer Engineering Laboratory Assistant
Bina Nusantara University
July 2010 - June 2013
Jakarta, Indonesia
- Develop practicum materials and teaching practicum class
- Research into basic electronic circuits and algorithms
- Manage courses for its documentation, materials and modules that will be used for that practicum for the following subjects: Physics, Discrete Electronics, Robotic Fundamental, and Robotics and Industrial Automation
- VHDL component research, design, and development using Xilinx Spartan 3-AN FPGA for practicum purposes
- Trainer for Junior Assistant
- Participate in various competitions
Education
2009 - 2013