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Hi, I am Mustafa

Mustafa Bayar

Software Engineer at GitLab

I am an experienced software engineer with a passion for creating innovative software solutions, continual learning, and effective collaboration.

Experiences

1
GitLab

July 2024 - Present

Berlin - Remote

GitLab is a single platform that integrates all the essential DevSecOps tools, from planning to production. It helps you automate, secure, and deploy your software faster and more efficiently.

Software Engineer

July 2024 - Present

Responsibilities:
  • Working on the Gitaly team as a backend developer where we develop Git in accordance with the goals of the community and GitLab. The Gitaly team is responsible for building and maintaining systems to ensure that the Git data storage tier of GitLab instances is reliable, secure and fast.
Delivery Hero

May 2021 - June 2024

Berlin

Delivery Hero is a multinational online food ordering and food delivery company.

Senior Software Engineer

May 2021 - June 2024

Responsibilities:
  • Contributed significantly towards the migration of our legacy PHP service to microservices written in Go, which scaled to handle over 50 million requests per day.
  • Proactively identified and implemented strategies that reduced our cloud costs, resulting in savings around $20k per month.
  • Mentored and guided my colleagues and supported their growth and development by sharing expertise, providing support and leading by setting a positive example.
2
3
Uberall

Dec 2018 - Apr 2021

Berlin

Multi-location marketing platform to help your brand show up and stand out when nearby customers search. Uberall drives engagement from discovery to purchase and beyond.

Software Engineer

Dec 2018 - Apr 2021

Responsibilities:
  • Worked on Uberall’s location marketing cloud product that empowers companies to manage their online presence across search engines, maps, directories, apps, and voice assistants.
  • Primarily involved in implementing and managing external API integrations including but not limited to Google My Business API.
NETAŞ

Jun 2015 - Nov 2018

Istanbul

Offering information and communication technologies for the benefit of private & public corporations, defence industry and end-users.

Software Engineer

Feb 2016 - Nov 2018

Responsibilities:
  • Developed a Spring Boot application which has a JNI (Java Native Interface) to call C++ library written by our team and communicates with HSS(Home Subscriber Server) to retrieve subscriber information using Diameter protocol.
  • Implemented RADIUS/Diameter interworking gateway(translation agent) for Diameter-based 3GPP AAA Server which was mainly developed for EAP-SIM, EAP-AKA, and EAP-AKA’(AKA prime) authentication. Later I have implemented PEAPv0/MSCHAPv2 authentication capability to our AAA server.
  • Implemented RADIUS & Diameter Protocol libraries and oneM2M protocol bindings ( HTTP, CoAP) for our multiprotocol test automation framework.
Intern

Jun 2015 - Sep 2015

Responsibilities:
  • R&D
4

Education

Bahcesehir University
2012-2016
B.Sc. in Software Engineering
GPA: 3.28 out of 4

Recent Posts

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How to use eSIM on a non-eSIM supported device

While not all phones come with eSIM support, you can still enable this feature with a bit of tinkering. In this guide, I’ll show you how to set up eSIM on phones that don’t have it built-in, so you can take advantage of this convenient technology. What is eSIM? An eSIM is a small chip embedded into a device’s motherboard that replaces traditional SIM cards. It allows for remote provisioning, meaning users can download and activate carrier profiles over the air using QR codes or activation codes provided by carriers.

Friday, May 24, 2024 | 6 minutes Read
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Dynamic Task Scheduling with Spring

Summary Spring makes it very easy to schedule a job to run periodically. All we need to do is to put @Scheduled annotation above the method and provide the necessary parameters such as fixedRate or cron expression. But when it comes to change this fixedRate on the fly, @Scheduled annotation is not enough. Ultimately, what I wanted to do was periodically load my configuration table from a database. But the fixedRate which indicates how frequently I will load this table is also stored in the very same database.

Saturday, September 8, 2018 | 8 minutes Read