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I am a senior software developer with 15+ years of experience, specialising in billing, payments, and financial systems. I enjoy turning complex requirements into robust, scalable backend solutions and practical admin tooling. Over the last six years at Xplor Technologies, I have built and migrated large-scale containerised .NET microservices, deployed to Kubernetes across on-premises and Azure clouds, with a strong focus on billing domains within payment platforms.…I am a senior software developer with 15+ years of experience, specialising in billing, payments, and financial systems. I enjoy turning complex requirements into robust, scalable backend solutions and practical admin tooling. Over the last six years at Xplor Technologies, I have built and migrated large-scale containerised .NET microservices, deployed to Kubernetes across on-premises and Azure clouds, with a strong focus on billing domains within payment platforms.

Oleg Kazantsev

Full Stack Developer, Back-End Developer, Web Developer, +2

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I am a senior software developer with 15+ years of experience, specialising in billing, payments, and financial systems. I enjoy turning complex requirements into robust, scalable backend solutions and practical admin tooling. Over the last six years at Xplor Technologies, I have built and migrated large-scale containerised .NET microservices, deployed to Kubernetes across on-premises and Azure clouds, with a strong focus on billing domains within payment platforms.…I am a senior software developer with 15+ years of experience, specialising in billing, payments, and financial systems. I enjoy turning complex requirements into robust, scalable backend solutions and practical admin tooling. Over the last six years at Xplor Technologies, I have built and migrated large-scale containerised .NET microservices, deployed to Kubernetes across on-premises and Azure clouds, with a strong focus on billing domains within payment platforms.

Available to hire

I am a senior software developer with 15+ years of experience, specialising in billing, payments, and financial systems. I enjoy turning complex requirements into robust, scalable backend solutions and practical admin tooling.

Over the last six years at Xplor Technologies, I have built and migrated large-scale containerised .NET microservices, deployed to Kubernetes across on-premises and Azure clouds, with a strong focus on billing domains within payment platforms.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Russian

Advanced

Work Experience

Senior Software Developer at Xplor Technologies

February 1, 2020 - Present

Divisions & Projects: Xplor Debitsuccess – Batch Banking (on-premises); Xplor Technologies – Billing & Settlement (Azure cloud). Developed .NET microservices for billing systems within large-scale payment platforms, contributed to legacy modernization and cloud-native migrations. Participated in a large cloud-native system (hundreds of microservices) deployed to Kubernetes, both on-premises and in Microsoft Azure. Designed solution architectures, translated requirements into development tickets, defined database schemas, and created development diagrams. Built small micro frontend components for administrative and operational tooling.

Senior Software Developer at Vozrozhdenie Bank

March 1, 2006 - July 1, 2018

Designed and developed security-critical banking systems; led development of network protection, IAM, SSO, and PKI solutions; participated in system architecture design; developed core backend services; mentored and led development teams.

Senior Software Developer at Avanpost Ltd

July 1, 2012 - December 31, 2017

Designed and developed enterprise identity management systems; worked on role management, SSO, and low-level security modules; supported large installations (millions of users).

Senior Software Developer at Vozrozhdenie Bank

January 1, 2002 - January 1, 2006

Developed core banking software and financial applications.

Leading System Administrator at Vozrozhdenie Bank

January 1, 2001 - January 1, 2002

Led system administration, network operations, and security infrastructure.

System Administrator at Vozrozhdenie Bank

January 1, 1996 - January 1, 2001

Managed servers, IT infrastructure, and supported daily operations.