Senior Backend Engineer (Java/C#) for Scalable APIs

Coca-Cola CCI; Fatih; On-site; TRY 600,000 - 900,000; Full time

Job summary

Coca-Cola CCI in İstanbul is seeking a Senior Backend Developer to join our Digital Technologies team. You will design and implement mission-critical features with a focus on performance, reliability, and maintainability, using Java and C# in a modern microservices environment.

You will collaborate on Spring Boot and .NET Core REST APIs, implement secure integrations, participate in code reviews and CI/CD pipelines, and troubleshoot production issues to deliver scalable, robust services in a

Qualifications

• 10+ years of experience designing and maintaining backend applications in Java and C#.
• Hands-on with Java (21-25), Git, and Maven.
• Deep knowledge of Spring Boot, Spring MVC, and Spring Data JPA/JDBC.
• Experience with .NET Core, ASP.NET Web API, and Entity Framework.

Responsibilities

• Implement business-critical features with a focus on performance, stability, and maintainability.
• Write clean, secure, testable, and scalable code while adhering to high quality standards.
• Contribute to technical discussions and participate in Code Reviews.
• Participate in release processes, CI/CD workflows, and deployment activities.
• Troubleshoot production issues, perform log analysis, and resolve bottlenecks.

Skills

Java

C#

Spring Framework

REST API design

Security concepts

SOA/EDA

Tools

Git

Maven

Azure CI/CD

Docker

Kubernetes

MS SQL Server

Job description

Coca-Cola CCI in İstanbul is seeking a Senior Backend Developer to join our Digital Technologies team. You will design and implement mission-critical features with a focus on performance, reliability, and maintainability, using Java and C# in a modern microservices environment.

You will collaborate on Spring Boot and .NET Core REST APIs, implement secure integrations, participate in code reviews and CI/CD pipelines, and troubleshoot production issues to deliver scalable, robust services in a