Alex Abashev, Developer in Yerevan, Armenia
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Alex Abashev

Verified Expert  in Engineering

Bio

Alexey is a talented Java architect with over 20 years of experience developing scalable, high-load systems. He is a highly competent team lead and is skilled at arranging entire development environments according to best practices. Alexey adheres to unit testing, code reviews, continuous integration, and auto-deployment on the cloud or using dedicated hardware.

Portfolio

A Company Managing Logistic Services for SMB
Java, SQL, Spring, Spring Boot, JAX-RS, Apache Maven, Docker...
Company in the Mobile Entertainment Market
Amazon Web Services (AWS), Spring, Requirements Analysis, Terraform, Docker...
Software Vendor in the Aerospace Industry
Spring, JNI, Swing, Java, Deployment, Databases, Networking...

Experience

  • Linux - 20 years
  • Continuous Integration (CI) - 20 years
  • Technical Leadership - 15 years
  • Java - 15 years
  • Docker - 10 years
  • Requirements Analysis - 10 years
  • Amazon Web Services (AWS) - 10 years
  • Spring - 10 years

Availability

Part-time

Preferred Environment

Git, IDEA IDE, Linux, MacOS

The most amazing...

...thing I've done is give the keynote presentation at a developers' conference.

Work Experience

Architect

2020 - 2023
A Company Managing Logistic Services for SMB
  • Moved a lot of background processing tasks to AWS Lambda and Step Functions as part of the refactoring process, saving 70% of our cloud bills.
  • Handled setting up the dashboard for stakeholders with business metrics, ETL, and data storage behind.
  • Served as a team lead in charge of building the development process from scratch, with QA environments and full CI usage for every part—from managing issues to security checks, rollouts, etc.
  • Implemented a platform for integrating various APIs (Shopify, Amazon Marketplace, WooCommerce, etc) into one processing flow.
Technologies: Java, SQL, Spring, Spring Boot, JAX-RS, Apache Maven, Docker, Amazon Web Services (AWS), JUnit, APIs, API Integration, Deployment, Databases, Minimum Viable Product (MVP), Stripe, JavaScript, Back-end, HTTPS, JSON, REST, Webhooks, Kotlin, Networking, Agile Project Management, Cloud Architecture, Engineering, Project Management, Technical Leadership, Leadership, PWA, Progressive Web Applications (PWAs), CSS, HTML, PostgreSQL, Groovy, Third-party Integration, JVM, DevOps, Object-oriented Programming (OOP), Microservices, Microservices Architecture, CI/CD Pipelines, Front-end, Data Engineering, SaaS, AWS Lambda, Continuous Delivery (CD), Web Architecture, Amazon Aurora, GitHub, Full-stack, Amazon S3 (AWS S3), Parquet, Google Cloud Platform (GCP), Large-scale Projects, Google Cloud, Kubernetes, Online Payments, Performance, Quarkus, Agile, Database Architecture, Mobile Development, Stripe API, Web Development, React, Thymeleaf, Bootstrap, OpenAPI, Swagger, Java Servlets, Gradle, Redshift, New Products, Software as a Service (SaaS), Strategy, Google Kubernetes Engine (GKE), Software Architecture, Google BigQuery

VP of Engineering

2013 - 2020
Company in the Mobile Entertainment Market
  • Hired and built up the back-end development team with an agile development cycle, from coding conventions to CI/CD.
  • Implemented a microservices architecture with hundreds of servers spread between three AWS regions and multiple time zones.
  • Planned and deployed business services at AWS China.
  • Iterated on our deployment scheme, from custom shell scripts through Ansible and Packer to Terraform and ECS.
  • Implemented a lot of tools for managing environments like the admin API for the service, Amazon ECS and Amazon S3 resources, Datadog monitoring, or PagerDuty monitoring.
  • Integrated a few monitoring systems for our applications and infrastructure, like Zabbix, NewRelic, and Datadog.
  • Designed and implemented a back-end service for instant messaging between mobile and web users. As a transport layer, I used WebSockets with a highly modified OpenFire XMPP server.
  • Designed and implemented push notifications for mobile and web users. It was a mix of custom client code for Apple/Google API, AWS push notification service, and custom Redis queues.
Technologies: Amazon Web Services (AWS), Spring, Requirements Analysis, Terraform, Docker, Java, SQL, Architecture, REST APIs, ETL, Deployment, Databases, Full-stack Development, Payment APIs, Go, Node.js, WebSockets, Networking, Agile Project Management, Cloud Architecture, Engineering, Project Management, Technical Leadership, CTO, Leadership, CSS, HTML, Spring Boot, PostgreSQL, Groovy, Third-party Integration, JVM, DevOps, Object-oriented Programming (OOP), Microservices, Microservices Architecture, CI/CD Pipelines, Front-end, Data Engineering, SaaS, AWS Lambda, Continuous Delivery (CD), Web Architecture, Amazon Aurora, GitHub, Full-stack, Amazon S3 (AWS S3), Google Cloud Platform (GCP), Large-scale Projects, Google Cloud, Kubernetes, Online Payments, Performance, Quarkus, Agile, Database Architecture, Mobile Development, Stripe API, Web Development, React, Thymeleaf, Bootstrap, OpenAPI, Swagger, Java Servlets, Gradle, Redshift, New Products, Software as a Service (SaaS), Strategy, Google Kubernetes Engine (GKE), Software Architecture, Google BigQuery

Performance Architect

2013 - 2014
Software Vendor in the Aerospace Industry
  • Refactored a custom Swing application to render aircraft models with airflows. Instead of one FPS with keyboard manipulation, I was able to make all calculations in run-time with 40 FPS.
  • Built up the whole development cycle with GitHub as source hosting, CI, tests, and nightly builds for QA.
Technologies: Spring, JNI, Swing, Java, Deployment, Databases, Networking, Agile Project Management, Cloud Architecture, Engineering, Project Management, Technical Leadership, Leadership, CSS, HTML, Spring Boot, PostgreSQL, Groovy, Third-party Integration, JVM, DevOps, Object-oriented Programming (OOP), Microservices, Microservices Architecture, CI/CD Pipelines, Front-end, Data Engineering, SaaS, Continuous Delivery (CD), Web Architecture, GitHub, Full-stack, Amazon S3 (AWS S3), Large-scale Projects, Google Cloud, Online Payments, Performance, Agile, Database Architecture, Mobile Development, Web Development, Thymeleaf, Bootstrap, OpenAPI, Swagger, Java Servlets, Gradle, Redshift, New Products, Software as a Service (SaaS), Strategy, Google Kubernetes Engine (GKE), Software Architecture, Google BigQuery

ISV Engineer

2008 - 2013
Oracle (formerly Sun Microsystems)
  • Evangelized Oracle technologies and helped vendors to use Java and Solaris technologies in a more efficient way.
  • Managed a few distributed teams to implement custom integrations and new architectures.
  • Handled performance testing for new hardware and optimize software for software-in-silicon.
  • Implemented a few integrations between Oracle Identity Management products and a few ERP systems from the Russian market.
Technologies: Spring, Berkeley DB, MongoDB, Oracle Database, Solaris, Java, Databases, Oracle, Oracle SOA Suite, Oracle PL/SQL, Networking, Agile Project Management, Cloud Architecture, Engineering, Project Management, Technical Leadership, Leadership, CSS, HTML, Document Parsing, Spring Boot, Groovy, JVM, DevOps, Object-oriented Programming (OOP), Microservices, Microservices Architecture, CI/CD Pipelines, Front-end, SaaS, Continuous Delivery (CD), Web Architecture, GitHub, Large-scale Projects, Online Payments, Performance, Agile, Database Architecture, OpenAPI, Swagger, Java Servlets, Gradle, New Products, Software as a Service (SaaS), Strategy, Software Architecture, Google BigQuery

Performance Architect

2007 - 2008
Top4Top
  • Worked with the Flash front end and Java back end on a MySQL, Solaris, and Tomcat cluster on Nginx.
Technologies: Spring, NGINX, Apache Tomcat, Solaris, MySQL, Java, Flash, Databases, Agile Project Management, Leadership, CSS, HTML, Document Parsing, JVM, Object-oriented Programming (OOP), Microservices, Microservices Architecture, CI/CD Pipelines, Front-end, Continuous Delivery (CD), Performance, Agile, Database Architecture, OpenAPI, Swagger, Java Servlets, Gradle, Software as a Service (SaaS)

Team Lead/Architect

2004 - 2007
Epam Systems
  • Handled various Java outsourcing projects with Russian and foreign customers.
  • Implemented a few intranet systems with GWT.
Technologies: Java, Databases, Agile Project Management, Jira Administration, Jira REST API, Automation, JVM, Object-oriented Programming (OOP), Microservices, CI/CD Pipelines, Continuous Delivery (CD), Performance, Agile, Database Architecture

Senior Java Developer

2003 - 2004
Diasoft
  • Developed an internet client for a banking system with JEE stack technologies.
Technologies: JEE, Databases, JVM, Object-oriented Programming (OOP), Microservices, CI/CD Pipelines, Continuous Delivery (CD), Agile, Database Architecture

Java Developer

2000 - 2001
Luxoft
  • Worked on a few Java outsourcing projects with JSE and JEE technologies.
Technologies: Java, JVM, Object-oriented Programming (OOP), Continuous Delivery (CD), Agile, Database Architecture

Experience

Virtual File System for Amazon S3

https://github.com/abashev/vfs-s3
An open-source project for managing S3 bucket content as a file system inside any Java project. Virtual file systems allow coupling S3 with a local file system, FTP servers, HDFS, etc. It can connect to any cloud with the S3 API or with little tuning for missed features.

Education

1998 - 2005

Master's Degree in Computer Engineering

Bauman Moscow State University - Moscow, Russia

Certifications

JANUARY 2010 - PRESENT

Solaris 10 System Administrator

Oracle

JANUARY 2009 - PRESENT

Sun Certified Java Programmer – Java 6 (SCJP)

Sun

Skills

Libraries/APIs

REST APIs, Jira REST API, OpenAPI, Java Servlets, Facebook API, Telegram Bot API, Stripe, Stripe API, React, JAX-RS, Node.js

Tools

Terraform, GitHub, Gradle, Google Kubernetes Engine (GKE), Apache Tomcat, NGINX, WildFly, Apache Maven, Oracle SOA Suite, Flash, IDEA IDE, Git, Cucumber

Languages

Java, JavaScript, SQL, HTML, CSS, Groovy, Python, Kotlin, HTML5, Go

Frameworks

Spring, GWT, Spring Boot, JUnit, Thymeleaf, Bootstrap, Swagger, Apache Spark, Hadoop, Swing, JNI

Paradigms

Continuous Delivery (CD), Continuous Integration (CI), Web Architecture, Requirements Analysis, DevOps, REST, Agile Project Management, Automation, Object-oriented Programming (OOP), Microservices, Microservices Architecture, Agile, Agile Software Development, Scrum, ETL, Mobile Development

Platforms

JEE, Solaris, Linux, Windows, Docker, AWS Lambda, Amazon Web Services (AWS), JVM, Oracle, Google Cloud Platform (GCP), Kubernetes, Oracle Database, MacOS, AWS IoT

Storage

MongoDB, Memcached, Amazon SDB, MySQL, Amazon Aurora, Databases, Oracle PL/SQL, JSON, Amazon S3 (AWS S3), Database Architecture, Redshift, Berkeley DB, Oracle Rdb, Amazon DynamoDB, Cache, Elasticsearch, Redis, PostgreSQL, Google Cloud

Industry Expertise

Project Management

Other

SaaS, Deployment, Technical Leadership, Architecture, System Architecture, China, APIs, API Integration, Full-stack Development, Minimum Viable Product (MVP), Payment APIs, Back-end, HTTPS, Webhooks, SDKs, Cloud Architecture, Engineering, CTO, Leadership, PWA, Progressive Web Applications (PWAs), Low Latency, Jira Administration, Third-party Integration, CI/CD Pipelines, Front-end, Full-stack, Large-scale Projects, Performance, Web Development, New Products, Software as a Service (SaaS), Strategy, Software Architecture, WebSockets, Big Data, Networking, Document Parsing, Data Engineering, Parquet, Online Payments, Quarkus, Minecraft Mods, Google BigQuery, Mobile Payments, Videos, Video Streaming, Flyweight Pattern, Ring Buffer, Low-latency Software, Mechanical Sympathy, Aeron, Sequenced Architecture, FIX Protocol

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