Nergiz ÜNAL
Backend Engineer
Ankara,05
Summary
Experienced Java Backend Developer with a 4-years track record of designing, implementing, and optimizing backend systems. Proficient in Java and Spring Boot, with additional expertise in Node.js, Go, MySQL, Kafka, RabbitMQ, and AWS. Skilled at integrating payment service providers and enhancing payment processing capabilities. Adept at collaborating with cross-functional teams to deliver high-quality solutions that enhance performance and user experience. Seeking a challenging backend development role to leverage my skills and contribute to innovative projects. Complex problem-solver with analytical and driven mindset. Dedicated to achieving demanding development objectives according to tight schedules while producing impeccable code.
Overview
5
5
years of professional experience
7
7
years of post-secondary education
Work History
Software Engineer
Getir
1 2024 - Current
- As a Backend Developer at Getir Payment Squad, I was responsible for integrating global and local Payment Service Providers (PSP), enhancing the payment processing capabilities
- I contributed to the integration of Adyen provider services, Checkout Apple Pay, and Scheme payment methods globally, as well as Multinet and Masterpass Ticket payment methods in Turkey
- Currently, I am part of the Payment Excellence team, focusing on reducing payment loss through POS retry and PSP Switch projects, which recover 25 million TRY of total revenue monthly without increasing order volume.
- My work involves utilizing technologies such as Java, Node.js, Go, MongoDB, and RabbitMQ to develop and maintain backend services.
- Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance.
Software Engineer
EnglishCentral
10.2022 - 10.2023
- Spearheaded data fixing and synchronization bug-fixing efforts using Java 8 and J2EE, ensuring accurate content delivery and optimal performance
- Developed new CRUD endpoints, maintaining data integrity and streamlining content management processes
- Collaborated with cross-functional teams to identify and resolve synchronization issues, enhancing data syncing procedures with Python
- Updated old code bases and databases to modern development standards, improving functionality.
- Proposed innovative solutions to boost system reliability, stability, and development efficiency, leveraging technologies such as Kafka, AWS, MySQL, and Cassandra.
Software Engineer
Mobileaction
06.2022 - 10.2022
- Contributed to the development of Searchads, an Apple Searchads partner product, using Java 17 and Spring Boot
- Utilized RabbitMQ for efficient communication and integration within the product
- Leveraged AWS services to enhance product scalability and reliability.
Software Engineer
Midas
11.2021 - 05.2022
- Developed and analyzed journal payment event flows, utilizing Java 17 and Spring Boot, Kafka technologies
- Ensured accurate financial transaction processing by deploying backend solutions and contributing to the production environment.
Developer
DefineX Technology Labs
09.2020 - 11.2021
- Actively participated in two web projects, employing Java, Kotlin, JavaScript, AWS, Microservice Technologies, and Spring Boot Framework
- Collaborated with Garanti BBVA on the Open Banking Project, providing valuable insights and contributing to its success.
Software Engineer
Konneka Software
01.2020 - 06.2020
- Android and iOS Mobile Devices Security with Machine Learning
Education
Bachelor of Science -
Bilkent University
05.2013 - 05.2020
Skills
Java
Spring Boot
SQL
RabbitMQ
Kafka
Python
Go
Nodejs
AWS
GCP
Graphql
RestAPI
Data Structures and Algorithms
Problem Solving
Languages
English
Proficient
C2
Turkish
Proficient
C2
Awards
At the University Entrance Exam (LYS) in 2013, I was on a %0.1 beyond the students in Turkey (ranked as 1435th)
Accomplishments
At the University Entrance Exam (LYS) in 2013, I was on a %0.1 beyond the students in Turkey (ranked as 1435th).
Interests
Ski
Dancing
TV Series
Timeline
Software Engineer
EnglishCentral
10.2022 - 10.2023
Software Engineer
Mobileaction
06.2022 - 10.2022
Software Engineer
Midas
11.2021 - 05.2022
Developer
DefineX Technology Labs
09.2020 - 11.2021
Software Engineer
Konneka Software
01.2020 - 06.2020
Bachelor of Science -
Bilkent University
05.2013 - 05.2020
Software Engineer
Getir
1 2024 - Current