Senior Java Backend Engineer — AI-Powered E‑commerce

BİM Birleşik Mağazalar A.Ş; Fatih; On-site; TRY 500,000 - 750,000; Full time

Job summary

BİM Birleşik Mağazalar A.Ş. is seeking a Senior Java Backend Developer to own core services powering our e-commerce platform.

You'll shape architecture, own critical systems end-to-end, and drive scalable, high-availability solutions in a high-traffic environment. You will collaborate with product and engineering teams, mentor others, participate in code reviews, and implement CI/CD, observability, and disaster recovery practices using Java 21, Spring Boot, microservices, Kafka, PostgreSQL,

Qualifications

• 8+ years of backend development experience.
• Experience with Java 21 and the Spring Boot / Spring Cloud ecosystem.
• Hands-on experience using AI-assisted coding tools (Claude Code, Cursor, GitHub Copilot) as part of daily development workflows.
• Experience designing and running microservices in production (data modeling, API design, inter-service communication).
• Experience modeling complex business domains and designing bounded contexts using Domain-Driven Design (DDD).
• Experience with event-driven architecture and distributed data consistency using Kafka or similar messaging platforms.
• Experience with PostgreSQL and Redis; Elasticsearch/OpenSearch for search and filtering.

Responsibilities

• Contribute to end-to-end architectural design and help shape technical standards.
• Champignon AI-assisted development culture and make it part of daily engineering workflows.
• Develop critical services and features end-to-end and own them in production.
• Define service boundaries, data ownership, and inter-service communication models.
• Design and implement solutions that meet scalability and performance targets.
• Define and implement disaster recovery (DR), security, and observability practices.
• Work closely with product and other teams to shape technical requirements.
• Actively participate in code reviews, upholding quality and maintainability standards.
• Act as a technical partner on complex problems and guide the team.
• Document technical decisions and mentor less experienced engineers to strengthen knowledge sharing and alignment.

Skills

Java

Backend design

Microservices

DDD

CI/CD

Tools

Spring Boot

Spring Cloud

Kafka

PostgreSQL

Redis

Elasticsearch/OpenSearch

Docker

Kubernetes

Helm

AWS

Job description

BİM Birleşik Mağazalar A.Ş. is seeking a Senior Java Backend Developer to own core services powering our e-commerce platform.

You'll shape architecture, own critical systems end-to-end, and drive scalable, high-availability solutions in a high-traffic environment. You will collaborate with product and engineering teams, mentor others, participate in code reviews, and implement CI/CD, observability, and disaster recovery practices using Java 21, Spring Boot, microservices, Kafka, PostgreSQL,