Stefanus: Email & Phone Number

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Chief Executive Officer at Ranu Siber Technology|Kota Surakarta, Central Java, Indonesia

Position:

Chief Executive Officer at Ranu Siber Technology

Location:

Kota Surakarta, Central Java, Indonesia

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Last updated: 2026-07-16

Updated: 2026-07-16

Found email addresses for Stefanus:

Business emails:

d*******r@bluwave.id

Found phone for Stefanus:

+62-***-***-2176

A different Stefanus?

Work Experience 11 years

Chief Executive Officer at Ranu Siber Technology

Feb 2022 - Current

Marketing Executive at Koperasi Rempah Vanila Nusantara (KARAVAN)

Jan 2024 - Current

Market Researcher at Koperasi Rempah Vanila Nusantara (KARAVAN)

May 2022 - Jan 2024

Information Technology Developer at Bluwave.id

Mar 2020 - Mar 2021

Information Technology Developer at PT. Lintas Artha Prima

Aug 2019 - Mar 2020

Programmer at Tiga Pilar Kilau Kencana, PT

Apr 2019 - Jul 2019

Programmer at Ore Digital Solution, CV

Sep 2017 - Nov 2018

Full Stack Developer at cv.Trinity Sukses Makmur

Oct 2016 - Sep 2017

Operations Staff at Mitra Makmur, CV (Partner of Acommerce Indonesia)

Jun 2016 - Oct 2016

Implementor at Diginet Media Yogyakarta

Jun 2015 - Jun 2016

Stefanus started working in 2015, then the employee has changed 8 companies and 7 jobs. On average, Stefanus works for one company for 1 year 5 months.

Their professional focus is Adobe Photoshop, Bootstrap, and CodeIgniter across 3 core areas.

Stefanus holds Google SEO Fundamentals, Introduction to Google SEO, and Google Ads - Measurement Certification certifications.

Education

SMK N Tembarak

Stefanus Namesakes

Name

Company

Position

Stefanus Renaldy

Firstline Indonesia

Insurance Educator

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Stefanus

PT Nirwana Indonesia Pratama

Project Administrator

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Stefanus

APRIL

Engineering Development Trainee

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