Jeaf Gilbert Lead Software Engineer

About me

⌨️ Lead Software Engineer
📍 Jakarta, Indonesia
📱 Lead Software Engineer at Smartfren

Testimonials

"... A fantastic lead in React Native and web development, who inspires the team with his vision and expertise. His ability to guide projects and foster collaboration truly sets him apart ..."

Khamdan Nahari, 2024

"... Beyond his technical skills, Jeaf was a fantastic collaborator. He communicated clearly, met every deadline, and was always open to feedback and suggestions. His proactive approach to problem-solving saved us time and resources, and his commitment to quality was evident in the final product ..."

Adha Dimas, 2024

"... Jeaf shows a strong command of programming languages and technologies crucial to our industry. He consistently delivers high-quality code that is efficient, and scalable.

In addition to his technical skills, Jeaf is a dependable team player who collaborates effectively with colleagues. He is always willing to share knowledge, provide guidance, and support fellow team members to achieve our common goals ..."

Gilang Daniel, 2024

"... Jeaf is an exceptional software engineer. His technical skill is remarkable. I had the best experience working closely with him on many projects, and I can confidently say that his expertise and dedication is extraordinary. The reason why Jeaf is the best because he is Smart, reliable, collaborative, and forward-thinking professional. Due to his good adaptability, He is a very valuable asset for any team and would be fortunate to have them on board ..."

Jodi Kusumandita, 2024

"... he showed results above expectations starting from the learning curve, understanding about the product or feature we have, task complexity, commit with the timeline given. And he's one of the most reliable partners I've ever met. ..."

Budi Normansyah, 2020

"... master in CSS, HTML, PHP, and JQuery also ASP.Net ... one of the best web developer I know."

Pingkan Matindas, 2011

"He always strive for perfection in all his works, has good technical skills (especially with CSS, and not to forget JQuery also), and always dedicated with his work."

Pandu Pradana, 2011

Experience

2022 - Current (2+ year)

Lead Software Engineer

PT Smartfren Telecom, Tbk. | Jakarta | smartfren.com

  • Refactored mySmartfren and the app performance increased 5x faster. Innovated debugging tool for mySmartfren, and it reduced debugging process cost by 90%.
  • Boosted projects develoment cycles 2-3 times faster than previous.
  • Architected projects file structure, flow, and coding convention.

Stack: Projects and People Management, Agile, React, React Native, Unit Testing, Analytics, Full Stack Development, Mobile Apps Development

2020 - 2022 (2 years)

Senior Software Engineer

PT Smartfren Telecom, Tbk. | Jakarta | smartfren.com

  • The man behind mySmartfren app.
  • Created crucial payment module which handles more than 10 millions monthly active users.
  • Even I newly joined the team, but already assisted leader to do code reviews and mentored co-workers.

Stack: JavaScript, TypeScript, React Native, Unit Testing, Firebase, iOS, Android, Jest, Git, Agile, Jira

2012 - 2022 (10 years)

Founder & Full Stack Engineer

Dunia Yuan | Bandung | duniayuan.com

  • Learned a lot about currency trading.
  • Built the website from backend to frontend from scratch.
  • Traveled to China couple times to make things work.

Stack: HTML, CSS, JavaScript, jQuery, Git, PHP, MySQL

2011 - 2012 (1 year)

Senior Frontend Engineer (Web)

PT Inovasi Informasi Indonesia | Remote, Denpasar | icubeonline.com

  • Former frontend engineer of ICUBE (acquired by Circlo).
  • Worked remotely for clients from United States.
  • Proud to be part of the well known sites such as RayBan, Foot Locker, The Coffee Bean & Tea Leaf, SureFire, and Harbor Freight Tools.

Stack: HTML, CSS, JavaScript, jQuery, PHP, Magento, Git, Photoshop

2009 - 2011 (2 years)

Frontend Engineer (Web)

PT Mitrais | Denpasar | mitrais.com

  • Hands-on development for clients from Australia to work on their desktop applications and websites.
  • Created Gantt Chart UIUX using HTML, CSS, and jQuery from scratch.
  • Well known not only as good frontend engineer, but also as good designer.

Stack: C#, Silverlight, LINQ, OOP, SQL Server, HTML, CSS, JavaScript, jQuery, Wordpress, SVN, Photoshop

2008 - 2008 (1 year)

Junior Engineer (Desktop)

PT Konsep Dot Net | Jakarta | konsep.net

  • Learned a lot about complicated SQL queries from senior engineer.
  • Using SVN as its source control was a good old time.
  • Contributed clean codes.

Stack: C#, SQL Server, SVN

Education

2004 - 2008

Information Technology

Maranatha Christian University | Bandung | maranatha.edu

Graduated with honors
GPA 3.88 of 4.00 (magna cum laude)

Tech Stack

  • JavaScript
  • TypeScript
  • React Native
  • React.js
  • Next.js
  • Node.js
  • Serverless
  • Jest
  • Firebase
  • SonarQube
  • Analytics
  • Netcore
  • PlanetScale
  • Vercel
  • PHP
  • Laravel
  • CodeIgniter
  • Wordpress
  • Tailwind
  • Bootstrap
  • Photoshop
  • HTML
  • CSS
  • jQuery
  • MySQL
  • C#
  • SQL Server
  • Silverlight
  • Git
  • Unit Testing
  • TDD
  • Agile
  • Jira
  • CI/CD
  • LINQ