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Hi, I'm Arzulla Jabiyev, an experienced Software Engineer and Tech Lead specializing in high-load fintech systems. Over the past 7+ years, I've developed expertise with Java, Kotlin, and Spring Boot, crafting secure and scalable microservices architectures in cloud-native environments. I enjoy building efficient payment integrations and optimizing system performance through thorough load testing. I take pride in mentoring teams, leading architecture discussions, and delivering impactful business results. Notably, I saved over $300K annually for my current employer by replacing an expensive third-party system. I am passionate about continuous learning and driving innovation in financial and gaming technology sectors.…Hi, I'm Arzulla Jabiyev, an experienced Software Engineer and Tech Lead specializing in high-load fintech systems. Over the past 7+ years, I've developed expertise with Java, Kotlin, and Spring Boot, crafting secure and scalable microservices architectures in cloud-native environments. I enjoy building efficient payment integrations and optimizing system performance through thorough load testing. I take pride in mentoring teams, leading architecture discussions, and delivering impactful business results. Notably, I saved over $300K annually for my current employer by replacing an expensive third-party system. I am passionate about continuous learning and driving innovation in financial and gaming technology sectors.

Arzulla Jabiyev

Back-End Developer, Full Stack Developer, DevOps Developer

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Hi, I'm Arzulla Jabiyev, an experienced Software Engineer and Tech Lead specializing in high-load fintech systems. Over the past 7+ years, I've developed expertise with Java, Kotlin, and Spring Boot, crafting secure and scalable microservices architectures in cloud-native environments. I enjoy building efficient payment integrations and optimizing system performance through thorough load testing. I take pride in mentoring teams, leading architecture discussions, and delivering impactful business results. Notably, I saved over $300K annually for my current employer by replacing an expensive third-party system. I am passionate about continuous learning and driving innovation in financial and gaming technology sectors.…Hi, I'm Arzulla Jabiyev, an experienced Software Engineer and Tech Lead specializing in high-load fintech systems. Over the past 7+ years, I've developed expertise with Java, Kotlin, and Spring Boot, crafting secure and scalable microservices architectures in cloud-native environments. I enjoy building efficient payment integrations and optimizing system performance through thorough load testing. I take pride in mentoring teams, leading architecture discussions, and delivering impactful business results. Notably, I saved over $300K annually for my current employer by replacing an expensive third-party system. I am passionate about continuous learning and driving innovation in financial and gaming technology sectors.

Available to hire

Hi, I’m Arzulla Jabiyev, an experienced Software Engineer and Tech Lead specializing in high-load fintech systems. Over the past 7+ years, I’ve developed expertise with Java, Kotlin, and Spring Boot, crafting secure and scalable microservices architectures in cloud-native environments. I enjoy building efficient payment integrations and optimizing system performance through thorough load testing.

I take pride in mentoring teams, leading architecture discussions, and delivering impactful business results. Notably, I saved over $300K annually for my current employer by replacing an expensive third-party system. I am passionate about continuous learning and driving innovation in financial and gaming technology sectors.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Intermediate

Turkish

Advanced

Azerbaijani

Advanced

Russian

Beginner

Work Experience

Senior Software Engineer | Tech Lead at Kapital Bank OJSC

January 1, 2024 - Present

Led the design and optimization of backend fintech services using Java, Spring, and Hibernate. Integrated APIs and payment gateways and used Kafka for efficient data processing. Collaborated with product managers to deliver new features relying on Java, Spring, Oracle, and PostgreSQL technologies. Applied Agile Scrum methodologies with Jira and Confluence. Mentored team members, conducted code reviews, and maintained high coding standards. Managed production Kubernetes environments and enhanced system observability with Grafana, Dynatrace, and ELK. Designed and performance-tested scalable systems to withstand peak traffic. Achieved significant business impacts, including saving the company over $300K annually by developing an alternative app and enabling entry into the gaming vertical through game wallet integrations and secure partner connections.

Senior Software Engineer | Tech Lead at Unibank

November 1, 2023 - August 21, 2025

Developed and maintained web applications using Java, Kotlin, Spring Boot, and Hibernate. Enhanced CI/CD pipelines with Jenkins, Docker, and Kubernetes. Improved application functionality with RESTful, gRPC, and third-party API integrations. Conducted unit testing using JUnit and Mockito following TDD principles. Optimized database operations using PostgreSQL and Oracle. Migrated legacy monolith to microservices architecture, significantly improving scalability. Designed and implemented card statement and payslip services for mobile applications, enhancing user experience.

Software Engineer at MStock LLC

February 1, 2022 - August 21, 2025

Developed bespoke software solutions to meet customer needs across CRM, ERP, and e-commerce domains using Java, Kotlin, Spring, Hibernate, Angular, C#, and ASP.NET. Managed production issue resolution, minimizing downtime and improving user experience with Kafka, RabbitMQ, and Kubernetes. Implemented CI/CD best practices to streamline development and deployment. Worked with various databases including Oracle, PostgreSQL, MySQL, and MS SQL.

Junior Software Engineer at Qvant LLC

December 1, 2019 - August 21, 2025

Assisted in backend services development using Java, Spring, and Hibernate for fintech projects. Participated in microservices architecture design and implementation. Used Git and GitHub for version control. Supported Docker and Kubernetes application deployments. Engaged in Agile ceremonies. Gained experience in monitoring and troubleshooting using Kibana and Grafana.