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Rihab Kallel Email & Phone Number
Software Engineer
at
Rakuten
LinkedIn matched
✓ Verified August 2026
3 data sources
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Who is Rihab Kallel? Overview
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Quick answer
Rihab Kallel is listed as Software Engineer at Rakuten, a with 17 employees, based in Tokyo, Japan. AeroLeads shows a matched LinkedIn profile for Rihab Kallel.
Rihab Kallel previously worked as Software Engineer and Team Leader at Hrdatabank Tunisie and Software engineer intern - Final Year Engineering Internship at Valomnia. Rihab Kallel holds Computer Science Engineering Diploma, Computer Science Engineering - Intelligent And Decisional Systems Engineering from Ensi - Ecole Nationale Des Sciences De L'Informatique.
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Email format at Rakuten
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Rakuten
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Profile bio
About Rihab Kallel
Senior software engineer with 8+ years of experience in Full stack development (mainly backend) and Machine Learning engineering. - Generative AI.- NP-hard problems enthusiast.- Certified OCA Java SE 8 programmer.I have experience in:- Supply chain- Human Resources- Chat bots- Marketing campaign optimization- ML engineering- MLOpsSkills:- Software and machine learning systems design.- Project delivery from scratch.- Java (Spring boot, Quarkus), Python, Javascript, React, Docker, Kubernetes, REST, SQL, Datadog, Prometheus, Grafana, DialogFlow, Redis, Maven, GPUs (T4), GCP, Azure, Open AI.-Heuristics, Meta-heuristics, Domain driven design, Design patterns, Machine Learning Inference, LLMs.Medium: https://galacticoder.medium.com/Github: https://github.com/rihabkallel
Listed skills include Data Mining, Java, Javascript, Html, and 14 others.
Current workplace
Rihab Kallel's current company
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Rakuten
5 roles
Rihab Kallel work experience
A career timeline built from the work history available for this profile.
Software Engineer
• Marketing Campaigns Optimization: Pioneered the design, development, and maintenance of features for elevating CVR and CTR across 90+ Rakuten businesses.• Led cross-team meetings and different technical meetups for improvements and knowledge sharing within the team.• PIC of different features including the integration of Bandit data science optimization and user targeting with segmentation solutions.• Accomplished the integration of different Multi-armed Bandit solutions across Rakuten Businesses. (contributing to GMS of 330M JPY and a CTR lift of 10%)• MLOps: Constructed tools and MLOps pipelines for 3+ scalable models’ inferences, leveraging GCP components and GPUs, exceeding SLAs.• Designing and building a whole GCP pipeline to tokenize and clean advertisement keywords for Rakuten e-commerce business, by integrating a GPU (T4) based NLP model and leveraging GCP provided services.• Orchestrated scrum and technical meetings, concurrently interviewing and guiding new joiners.• Leading the integration of Generative AI to the department by conducting PoCs with both local LLM and Azure Open AI solutions.
Software Engineer And Team Leader
•Designed, developed and deployed 7 software products (including one for Kyushu Government).•Led a team of 5 Junior Engineers and trained 2 interns.•Participated in meetings with the Japanese product team and recruiting interviews.
Sep 2016 - Aug 2019
Software Engineer Intern - Final Year Engineering Internship
•Engineered solutions for a 3D Container Loading NP Problem.•Analyzed and compared exact solutions and heuristics
Feb 2016 - Jun 2016
Software Engineer Intern - Summer Internship
Netprospection
•Developed a solution for coding and decoding of a chess game into PGN and FEN format.
Jul 2015 - Aug 2015
3 education records
Rihab Kallel education
Computer Science Engineering Diploma, Computer Science Engineering - Intelligent And Decisional Systems Engineering
Examination For Entrance To The Engineering Education Cycle., Mp(Mathematics-Physics), Rank: 435/1777 Admitted Candidates.
Preparatory Institute For Engineering Studies Of Monastir (Ipeim)
High School Graduation Degree (Baccalauréat), Mathematics, 17.43/20 (With Highest Honours)
Pioneer School Of Sousse/Monastir (Lycée Pilote De Sousse/Monastir)
FAQ
Frequently asked questions about Rihab Kallel
Quick answers generated from the profile data available on this page.
What company does Rihab Kallel work for?
Rihab Kallel works for Rakuten.
What is Rihab Kallel's role at Rakuten?
Rihab Kallel is listed as Software Engineer at Rakuten.
Where is Rihab Kallel based?
Rihab Kallel is based in Tokyo, Japan while working with Rakuten.
What companies has Rihab Kallel worked for?
Rihab Kallel has worked for Rakuten, Hrdatabank Tunisie, Valomnia, and Netprospection.
How can I contact Rihab Kallel?
You can use AeroLeads to view verified contact signals for Rihab Kallel at Rakuten, including work email, phone, and LinkedIn data when available.
What schools did Rihab Kallel attend?
Rihab Kallel holds Computer Science Engineering Diploma, Computer Science Engineering - Intelligent And Decisional Systems Engineering from Ensi - Ecole Nationale Des Sciences De L'Informatique.
What skills is Rihab Kallel known for?
Rihab Kallel is listed with skills including Data Mining, Java, Javascript, Html, Php, Mysql, C, and C++.
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