Senior Backend Architect | Java/Spring Boot, Microservices

Commencis; Fatih; On-site; TRY 6,036,000 - 9,054,000; Full time

Benefits offered by this job

Private health insurance

Pension plan

Meal card and commute support

Remote working option

Job summary

Commencis is seeking an experienced Software Architect to lead the backend architecture. You will shape the design of scalable, secure services using Java, Spring Boot, and modern distributed patterns, collaborating with cross-functional teams to ensure high reliability and performance across platforms.

You will guide architectural decisions, document solutions, and drive best practices while mentoring engineers in cloud-native and AI-enabled approaches.

Qualifications

• 8+ years of backend experience with Java and Spring Boot.
• 3+ years designing distributed backend systems and software architectures.
• 2+ years guiding cross-functional projects or product teams.
• Strong experience with REST, GraphQL, and gRPC and service-to-service communications.
• Knowledge of architecture patterns: layered, hexagonal, clean, modular monoliths, and microservices.
• Experience with domain-driven design and modeling across domains.
• Containerization and orchestration with Docker/Kubernetes.
• Experience with availability, scalability, observability, and distributed data platforms.
• Messaging systems such as Kafka or RabbitMQ.
• CI/CD and engineering quality gates; secure development practices.
• Cloud knowledge, especially AWS.
• Unit/integration testing, debugging, and root cause analysis.
• SCRUM/Agile methodologies.
• Experience designing AI-powered architectures or integrating AI/LLM capabilities.

Responsibilities

• Provide architectural guidance and leadership across backend products and services.
• Drive microservices architecture and reactive patterns for scalable systems.
• Collaborate with product, QA, DevOps, and other architects to set standards.
• Design modular and scalable backend systems, APIs, and data flows.
• Produce architectural documentation: HLDs, ADRs, API contracts, diagrams.
• Investigate emerging technologies and determine best patterns for needs.
• Define non-functional requirements: availability, security, observability.
• Support troubleshooting of production issues and data consistency.
• Lead API-first, event-driven integration patterns.

Skills

Java

Spring Boot

Distributed systems

Domain-driven design

Microservices

API design (REST, GraphQL, gRPC)

Docker

Kubernetes

Cloud (AWS)

Security practices

Testing (unit/integration)

SCRUM/Agile

AI/LLM integration

Education

BSc/MSc in Computer Engineering, Software Engineering, or related

Tools

Docker

Kubernetes

AWS services

Job description

Commencis is seeking an experienced Software Architect to lead the backend architecture. You will shape the design of scalable, secure services using Java, Spring Boot, and modern distributed patterns, collaborating with cross-functional teams to ensure high reliability and performance across platforms.

You will guide architectural decisions, document solutions, and drive best practices while mentoring engineers in cloud-native and AI-enabled approaches.