ALEX OVSEYENKO - Full Stack Web Developer

I'm bringing 26 years of professional experience to the tech realm. I excel in AWS cloud solutions, DevOps, and web development with a focus on TypeScript, Node.js, and Vue.js for crafting seamless user interfaces and leveraging cloud MongoDB for scalable data management.

Technical Proficiency
AWS Cloud Architect: I can design robust and scalable cloud architectures, utilizing a spectrum of AWS services, including EC2, ECS, SQS, SNS, S3, and many others. I can implement secure user authentication and authorization with finesse, leveraging Amazon Cognito for seamless access control. I can manage and optimize domain names effectively using Amazon Route 53. I can architect serverless applications, leveraging Amazon API Gateway, AWS Lambda.
DevOps Efficiency: I can streamline development workflows using GitHub Actions, GitLab CI/CD, and Terraform, bringing automation and efficiency to DevOps practices.
Web Development Expertise: I can craft efficient and maintainable code using TypeScript, Node.js, Vue.js with a focus on seamless user experiences.
Quality Assurance: I have hands-on experience with Playwright, contributing to efficient and reliable end-to-end testing solutions.

Experience

PayFURL
Senior Software Engineer (April 2022 - present)

payFURL is an Australian-based, purpose-built payments orchestration platform and supports many payment providers, servicing over 50 countries. The company’s core customers are those businesses who sell goods and services online across online retail, ticketing, memberships, subscriptions, fundraising and eInvoicing. payFURL provides merchants, platforms and even payment service providers a new way to manage their online payments. payfurl.com

Leveraging AWS services, particularly Amazon API Gateway, Amazon Cognito, Amazon Route 53, and Amazon DynamoDB, to architect robust and secure solutions for payment orchestration.
Utilizing Terraform to implement Infrastructure as Code, allowing for the automated provisioning and management of resources, enhancing scalability and maintainability.
Spearheading CI/CD pipelines with GitHub Actions and GitLab CI/CD, streamlining the development-to-deployment process for enhanced efficiency and faster releases.
Employing .NET Framework on AWS Lambda for developing scalable and high-performance API platform.
Employing Vue.js/Typescript to create intuitive and responsive user interfaces, ensuring an exceptional user experience for our diverse range of clients.
Implementing comprehensive functional and integration automated tests using Python and Playwright to ensure the reliability, security, and performance of the PayFURL platform.

Tools: Amazon Web Services (AWS), Amazon Cognito, Amazon Route 53, Amazon Dynamodb, Github Actions, Gitlab CI/CD, Terraform, .NET Framework, TypeScript, Node.js, Vue.js, MongoDB

Bench Media Group
Senior Software Developer (October 2016 - April 2022)

Bench Media Group is a privately owned digital marketing startup, which provides all-in-one automated solution for managing and analysing cross-channel programmatic campaigns. benchplatform.com

As a first company’s Software Developer, brought outsourced pre-alpha version inhouse. Node.js with Meteor framework using Mongodb as storage.
Playing lead developer role (with two junior direct reporters), successfully implemented core features and delivered first version of project for production release in early 2017.
Played a crucial role in containerising application and moving product to AWS.
Moved in-house source control on gitlab.com and implemented CI/CD
Moved some AWS infrastructure pieces from Cloudformation templates to Terraform
Participated in architecturing company’s Data Warehouse using Postgresql.
Oversaw and mentored 4 junior developers which helped them to get Software Developer position during 2 years period.

Tools: AWS, Docker, Node.js (Meteor), Vue.js, MongoDB, Golang

Familoop
Lead Software Developer (August 2013 - September 2016)

Familoop is a content-controlled software marketed towards parents as a way to control child’s PC, Mac and mobile devices activity.

Implemented the company’s web portal from scratch using PHP and Mysql. Christmas 2013 Release was a huge success with more than 9000 sales during the first 3 days.
During 2014 optimized and prepared to scale up the environment to support up to 100 000 simultaneous connections in a distributed infrastructure.
Developed interface for syncing huge amounts of data with Mongodb which was used as temporarily fast storage for uncategorised data.
Mentored junior developers and played an active role in the company hiring process.

Tools: Node.js, PHP, MySQL, Redis, Memcached, MongoDB

Racoon Games
Lead Software Developer (January 2010 - January 2012)

Racoon Games is a privately owned game developing startup which had been launching flash games on Facebook and other popular social networks.

Implemented core game engine from scratch using ActionScript 3.0, PHP and Redis as storage. The most popular game had 1.6m installations and up to 30k DAU in 2012.
In 2013 total amounts of installations reached 5m and DAU up to 100k.
Developed multiplayer Flash-based game with more than 1000 simultaneously players using Node.js as backend and Redis as storage.
In 2012 consulting Kaliningrad game developing company to help them improve their game core performance
Mentored junior developers and played an active role in the company hiring process.

Tools: Facebook API, ActionScript 3.0, PHP, Redis, Node.js, MySQL

Morward
Lead Software Developer (August 2008 - January 2012)

Morward is a privately owned game developing startup which had launched massively multiplayer online role-playing browser-based game "Morward".

Implemented a core game engine from scratch using PHP and Mysql as storage.
In 2009 improved game engine to support 7 times more simultaneous players.
During 2010 the game had 150k registered accounts and up to 1000 simultaneous players.
Mentored junior developers and played an active role in the company hiring process.

Tools: PHP, MySQL, Memcached