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Entry level backend developer specializing in Golang
William Hartono
,
London, United Kingdom
Experience
Other titles
Skills
I'm offering
Hi, my name is William. I have experience building backend services for small to medium sized company in Indonesia. I am most comfortable in using Golang due to its performance, concurrency support, and garbage collector. Currently I am located in London and looking to work for a project.
Markets
United Kingdom
Links for more
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Industries
Language
English
Fluently
Chinese (Mandarin)
Good
Ready for
Larger project
Ongoing relation / part-time
Full time contractor
Available
My experience
2020 - 2021
job
Backend Developer
Halobro Pte. Ltd.
Indonesia
Achievements:
• Successfully migrated a production project from legacy code using NodeJS and Python to one using
Golang whilst maintaining previous version.
• Supervised by principal engineer to maintain an ongoing legacy project with monthly outbound and inbound message traffic of 700k.
Responsibilities:
• Architected backend services with microservice for load balancing.
• Tested production projects using Locust stress test tool to identify performance issues.
• Made extensive use of SQL database, PostgreSQL, NoSQL database, MongoDB, and real-time
NoSQL database, RethinkDB.
• Maintained version control with GitHub.
• Worked closely with other developers for integration and deployment through CI/CD pipeline.
Projects:
Paxel.co Golang, PostgreSQL, Redis, RabbitMQ, Express, Flask, MongoDB, RethinkDB, Git, Docker, Jenkins
• In charge of the backend service development of a chat bot and a web project using Golang connected
with relational database, PostgreSQL, non-relational database, MongoDB, and real-time NoSQL
database, RethinkDB.
• Made extensive use of webhooks and asynchronous message queuing protocol, RabbitMQ.
• This project integrates with external API, such as: Nexmo, Jatis, Telegram and Paxel.co.
Fuse.co.id Golang, PostgreSQL, Redis, Git, Docker
• In charge of the backend service development of a ticketing system using Golang connected with relational database, PostgreSQL.
• This project allows user to route various types of tickets to the staff, departments, and service
catalogues of choice to obtain the best solution.
Achievements:
• Successfully migrated a production project from legacy code using NodeJS and Python to one using
Golang whilst maintaining previous version.
• Supervised by principal engineer to maintain an ongoing legacy project with monthly outbound and inbound message traffic of 700k.
Responsibilities:
• Architected backend services with microservice for load balancing.
• Tested production projects using Locust stress test tool to identify performance issues.
• Made extensive use of SQL database, PostgreSQL, NoSQL database, MongoDB, and real-time
NoSQL database, RethinkDB.
• Maintained version control with GitHub.
• Worked closely with other developers for integration and deployment through CI/CD pipeline.
Projects:
Paxel.co Golang, PostgreSQL, Redis, RabbitMQ, Express, Flask, MongoDB, RethinkDB, Git, Docker, Jenkins
• In charge of the backend service development of a chat bot and a web project using Golang connected
with relational database, PostgreSQL, non-relational database, MongoDB, and real-time NoSQL
database, RethinkDB.
• Made extensive use of webhooks and asynchronous message queuing protocol, RabbitMQ.
• This project integrates with external API, such as: Nexmo, Jatis, Telegram and Paxel.co.
Fuse.co.id Golang, PostgreSQL, Redis, Git, Docker
• In charge of the backend service development of a ticketing system using Golang connected with relational database, PostgreSQL.
• This project allows user to route various types of tickets to the staff, departments, and service
catalogues of choice to obtain the best solution.
Github, CI / CD, CI / CD, CI / CD, Backend, Production, Web, Development, Express, Load balancing, Developer, RabbitMQ, Test, Service, Flask, Integration, Python, Redis, Golang, NoSQL, NodeJS, Database, Deployment, Jenkins, PostgreSQL, MongoDB, Docker, Backend, API, Git, Sql
2020 - 2021
temp
Student representative
unknown.
Manchester, United Kingdom
• Elected as a representative for the faculty to collect student's feedback and raise them during
meetings.
• Elected as a representative for the faculty to collect student's feedback and raise them during
meetings.
2020 - 2020
internship
Backend Developer Intern
TwisCode Pte. Ltd.
Indonesia
Responsibilities:
• Delivered backend services for small to medium sized projects with milestones of under 2 months.
• Worked with various modern backend technologies, such as, Golang, NodeJS, Python, and various
PHP frameworks.
• Made extensive use of SQL database, PostgreSQL, MariaDB, Microsoft SQL Server, and MySQL.
• Worked closely with other interns and full-time developers for integration and deployment through
CI/CD pipeline.
• Maintained version control with GitHub and Bitbucket.
Projects:
Transpacific International Logistics PHP, MySQL, MariaDB, Git, Apache
• In charge of the backend service development of an ERP software using custom native PHP
framework connected with relational database, MYSQL.
• Consulted directly with external IT consultants.
Singapore Press Holdings Ltd. Symfony, Composer, MSSQL, Git, Apache
• Collaborated with full-time engineers to develop an admin dashboard using Symfony PHP framework
connected with relational database, Microsoft SQL Server.
Leadership and achievement
Responsibilities:
• Delivered backend services for small to medium sized projects with milestones of under 2 months.
• Worked with various modern backend technologies, such as, Golang, NodeJS, Python, and various
PHP frameworks.
• Made extensive use of SQL database, PostgreSQL, MariaDB, Microsoft SQL Server, and MySQL.
• Worked closely with other interns and full-time developers for integration and deployment through
CI/CD pipeline.
• Maintained version control with GitHub and Bitbucket.
Projects:
Transpacific International Logistics PHP, MySQL, MariaDB, Git, Apache
• In charge of the backend service development of an ERP software using custom native PHP
framework connected with relational database, MYSQL.
• Consulted directly with external IT consultants.
Singapore Press Holdings Ltd. Symfony, Composer, MSSQL, Git, Apache
• Collaborated with full-time engineers to develop an admin dashboard using Symfony PHP framework
connected with relational database, Microsoft SQL Server.
Leadership and achievement
Software, Github, Integration, Service, It, Mariadb, Developer, International, Development, Symfony, Server, Native, Framework, Backend, Internal, CI / CD, CI / CD, CI / CD, ERP, Mysql, Python, Sql, Git, Backend, SQL Server, PostgreSQL, Deployment, Php, Database, NodeJS, MSSQL, Leadership, Microsoft SQL Server, Microsoft SQL, Apache, Golang
2019 - 2020
job
Peer-assisted study session (PASS) leader
Peer-assisted.
Manchester, United Kingdom
• Elected as a leader to provide academic and non-academic support to 8 first year students.
First year group project showcase April 2019
University of Manchester Manchester, United Kingdom
• Won the "Application with the Most Appealing User Interface" trophy out of 40 groups.
• Elected as a leader to provide academic and non-academic support to 8 first year students.
First year group project showcase April 2019
University of Manchester Manchester, United Kingdom
• Won the "Application with the Most Appealing User Interface" trophy out of 40 groups.
Support
2017 - 2018
job
Internal organization manager
Indonesian Student Association.
United Kingdom
• Elected as a manager to host internal events, maintain members wellbeing, and promote the organization.
• Elected as a manager to host internal events, maintain members wellbeing, and promote the organization.
Manager
My education
University of Manchester
BSc, Computer Science
BSc, Computer Science
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