PZ

Looking for a job

pavel zakharov

@pavelzakharov

Principal Software Engineer at Optiva Software Limited who delivered telecom BSS features and cloud migrations.

Russian Federation

What I'm looking for

I’m looking for fully remote, full-time work.

At Optiva Software Limited, I designed and delivered features for a telecom BSS product, including a Stripe payment gateway integration. I also added integrations with telecom APIs and devices and migrated solutions to private and public cloud environments.

At Harman, I led development of a real-time data processing platform for a North American mobile operator using Spark, Hadoop, and Kafka. I also led work on embedded SIM profile provisioning and headed the backend for an IoT electronic license plate company.

Earlier, I developed software for CRM and telecom products, implemented real-time video and audio calls for a Liferay-based science portal, and worked in software testing. I’m interested in software design and development, and in investigating AI, including agents and LLMs.

Experience

Work history, roles, and key accomplishments

OL

Principal Software Engineer

Optiva Software Limited

Nov 2022 - Mar 2026 (3 years 4 months)

Designed and delivered multiple features for telecom BSS product, including Stripe payment gateway integration. Migrated bare-metal or VM solutions to private and public clouds.

Java Kotlin Camel OSGi MSSQL ActiveMQ REST SOAP Swagger Tomcat GCP VMWare Docker Jenkins Git

HA

Principal Software Architect

Nov 2016 - Nov 2022 (6 years)

Led development of a real-time data processing platform for a North American mobile operator using Spark, Hadoop, and Kafka. Headed microservice-based backend for an IoT electronic license plate company.

Java Scala Spark Hadoop Hive Spring Framework MySQL PostgreSQL MongoDB ActiveMQ RabbitMQ Kafka Elasticsearch Logstash Kibana REST SOAP Tomcat Jetty Docker GCP

ES

Software Developer

Exigen Services

Jun 2014 - Nov 2016 (2 years 5 months)

Developed and maintained modules for a CRM system for a North American client using Java, Spring, Hibernate, and AngularJS.

Java Spring Framework Hibernate AngularJS

BS

Software Developer

Business Systems and Services

Apr 2013 - Jun 2014 (1 year 2 months)

Implemented real-time video and audio call capabilities into a Liferay-based science portal using Java and WebRTC.

Java Liferay WebRTC jQuery

ME

Software Developer

Mera

Dec 2010 - Apr 2013 (2 years 4 months)

Worked on portal development for a telecom operator, including messenger and Blackberry OS applications.

Java Spring Framework C++Objective C

MS

Software Tester

MFI Soft

Feb 2010 - Dec 2010 (10 months)

Performed feature verification for a VoIP switch (H323, SIP) and wrote automation scripts.

ST

Software Tester

Symphony Teleca

Aug 2007 - Feb 2010 (2 years 6 months)

Verified mobile device manufacturer products, including defect and log analysis and mobile device application verification.

Education

Degrees, certifications, and relevant coursework

NU

Nizhegorodskiy State Technical University

Master of Science, Networking and Communication systems

2004 - 2010

Master of Science in IT with a focus on Networking and Communication systems.

Tech stack

Software and tools used professionally

Availability

Looking for a job

Location

Russian Federation

Authorized to work in

Russian Federation

Salary expectations

92k+ USD

Social media

Job categories

Software Engineer Software Architect

Skills

Backend Software Engineering Software Architecture Distributed Systems Microservices Telecom BSS Big Data Data Pipelines Cloud Migration Java Kotlin Scala Apache Spark Hadoop Kafka Spring Framework

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