Aleksandr Melnichnikov

Projects: Ads Free Subscription for Facebook/Instagram, Ads Data Filtering tools.

Accomplishments:

• Implemented realtime filtering solution for ads data streams. With exceptional performance of avg <= 1ms lat.
• Implemented backend features for Ads Free Subscription launched in Nov 2023 in Instagram and Facebook.

Techs: C++, Python, Hack

Project: Financial marketplace for entrepreneurs развивай.рф (razvivai.rf).

Accomplishments:

• Implemented MVP and shipped it to production in 4 months.
• Reduced infrastructure price twofold by profiling and tuning JVM apps.
• Developed system design for platform.

Techs: Java, Kotlin, Groovy, PostgreSQL(debezium), Docker Swarm (migration process to Kubernetes), Kafka.

Note: Worked as contractor in Mail.ru Group from two related companies: Cometrica LLC, Orbita Center LLC

Project: Internal bloggers search platform. Team lead of 5 remote employees.

Accomplishments:

• Created infrastructure from scratch on bare metal using Proxmox virtualization and Docker.
• Organized code review process.
• Created analytics dataflow of YouTube, Instagram, VK bloggers, which helped to analyze trends in social networks. That highly increased marketing revenue.
• Proposed and created a report management system through close collaboration with end-users that freed up 30 working hours within certain departments.

Techs: Java, Scala, PostgreSQL, Clickhouse, Cassandra, Docker Swarm, RabbitMQ, Spring Dataflow, Elasticsearch.

Projects:

• MegaFon(tier 1 telecom operator) customer portal API, Billing API, Digital Tourism platform, Push notifications API, support chat. (https://lk.megafon.ru)
• Billing Platform, API Gateway service

Accomplishments:

• Orchestrated efficient large-scale software deployments, including testing features, correcting code and code reviewing.
• Designed and developed a support chat that facilitated communication with end-users.
• Contributed to Histone2 template engine. (https://github.com/MegafonWebLab/histone-java2)
• Developed API gateway service based on GraphQL specification.
• Developed API for tourist activity visualization in major Russian cities. (https://bdtour.megafon.ru/)
• Assisted with the interviewing and hiring of software engineers.

Techs: Java, Vert.x, MongonDB, PostgreSQL, RabbitMQ, Zookeeper, Docker Swarm.

Projects: Online store eldorado.ru and mobile application for employees.

Accomplishments:

• Took a significant part in the development of online platform on SAP Hybris platform.
• Rewrote PL/SQL business logic to Java API.
• Created a mobile application using Apache Cordova that reduced cashiers workload in stores.

Techs: Java, JS(Apache Cordova), Oracle.