Ali Sefiyev
@alisefiyev
Backend developer building resilient Java microservices and Kafka-driven systems in telecom.
AzerbaijanWhat I'm looking for
I’m a backend developer with production experience delivering contract-first REST endpoints and event-driven pipelines in a telecom environment. I build reliable Kafka consumers with retry/DLT patterns, apply CircuitBreaker resilience, integrate third-party APIs, and ensure test coverage from unit to component levels with JUnit 5, Mockito, and Spock.
I’m drawn to SOLID design and Agile execution across cross-functional teams—shipping clean layered architectures, improving observability with Micrometer tracing, and maintaining delivery flow through GitLab CI/CD and ArgoCD tracking. Beyond my core work, I build data-driven services like a Fraud Detection API and an OSRM-based route optimizer, and I’m currently extending into multi-tenant ERP backend development with TypeScript, PostgreSQL, Prisma, JWT/RBAC, and TDD.
Experience
Work history, roles, and key accomplishments
Backend Developer
Azerconnect
Jan 2026 - Present (6 months)
Designed and delivered contract-first REST endpoints for a device sales orchestration microservice and implemented layered architecture following SOLID principles. Improved Kafka processing reliability with retry/DLT patterns, implemented resilience for third-party payment integration, and delivered unit/component/Spock test coverage across services.
Backend Developer
Azerbaijan Airlines (AZAL)
Jul 2025 - Sep 2025 (2 months)
Built REST API endpoints using Java and Spring Boot for internal airline operations systems. Optimized SQL queries for operational reporting, resolved backend bugs, and validated fixes using Postman-based API testing while contributing to Agile sprint planning and code reviews.
Education
Degrees, certifications, and relevant coursework
Azerbaijan Technical University (AZTU)
Master's degree, Network and System Administration
2025 -
Pursuing a Network and System Administration master's degree at Azerbaijan Technical University (AZTU) from September 2025 to July 2027.
National Aviation Academy
Bachelor's degree, Device Engineering
2021 - 2025
Grade: 85/100
Completed a Device Engineering bachelor's degree at the National Aviation Academy from 2021 to 2025, achieving a GPA of 85/100.
Availability
Location
AzerbaijanAuthorized to work in
Portfolio
github.com/Ali-ShafiyevJob categories
Skills
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