Maxim is available for hire

Maxim Gladkov

Verified Expert in Engineering

Software Developer

Location

Orihuela, Spain

Toptal Member Since

April 6, 2022

Maxim is a tech-savvy geek with rich experience in the business. He has vast experience as a senior software engineer and architect and a strong knowledge of JavaScript, Node.js, React, Ruby, Ruby on Rails, Neo4j, MySQL, and PostgreSQL. An Agile enthusiast, tech consultant, and startup founder, Maxim focuses on a range of core competencies, such as software development, software architecture, database design, tech consulting, and business automation. He will be a strong addition to any team.

Full-stack Front-end User Interface (UI)Web Development Back-end Full-stack Development Open Source CTO Data Visualization UI Components Back-end Development Webhooks QA Automation Analytics React Hooks

Portfolio

Blondie Operating Company, Inc.

React, Node.js, Neo4j, Cypher, GraphQL, Firebase, Google Cloud, TypeScript...

GoDaddy

React, Node.js, MySQL, APIs, REST APIs, Ruby on Rails (RoR)...

Gartner

Ruby on Rails (RoR), Apache Kafka, Elasticsearch, Git, Jest, Webpack, HTML5...

Experience

JavaScript - 12 years MySQL - 12 years Ruby on Rails (RoR) - 12 years Node.js - 12 years PostgreSQL - 12 years React - 9 years Neo4j - 5 years Cypher - 5 years

Availability

Part-time

Preferred Environment

Slack, Visual Studio Code (VS Code), Zoom, MacOS, Jira, Figma, GitHub

The most amazing...

...thing I've developed is a platform-as-a-service (PaaS) solution using React, Node.js, and Neo4j graph databases that power thousands of enterprises worldwide.

Work Experience

Chief Technology Officer (CTO)

2014 - PRESENT

Blondie Operating Company, Inc.

Developed a platform for building highly customizable informational systems based on shared blocks.
Managed a team of developers, designers, and UX engineers to carry out the project.
Designed and implemented a graph-based database that stores and processes billions of nodes daily.

Technologies: React, Node.js, Neo4j, Cypher, GraphQL, Firebase, Google Cloud, TypeScript, Apollo, Full-stack, Auth0, Express.js, Architecture, Data Visualization, D3.js, Dashboards, REST APIs, React Native, Material UI, Google, SQL, Amazon Web Services (AWS), Redis, Next.js, Search Engine Optimization (SEO), Cloud Firestore, Redux, Jira, Figma, GitHub, Progressive Web Applications (PWA), Google Cloud Platform (GCP), Enterprise Architecture, Scalability, Platforms, React Redux, React Hooks, Unit Testing, Front-end, User Interface (UI), UI Components, Integration Testing, Apache Kafka, Elasticsearch, UI Design, Databases, MERN Stack, Web Development, Solution Architecture, App Development, Back-end Development, Communication, Back-end Architecture, Leadership, Docker, ECMAScript (ES6), Front-end Build Tools, Chrome Extensions, Front-end Development, Back-end, API Integration, OpenAI GPT-3 API, ChatGPT, OpenAI GPT-4 API, NestJS, Open Source, Git, Jest, Tailwind CSS, Webpack, Canvas 2D, HTML5, Python, Software Architecture, Chart.js, Zapier, Webhooks, Social Media APIs, Social Media, QA Automation, Microservices, CTO, Agile, DevOps, CI/CD Pipelines, Software Design, Domain-driven Design (DDD), Serverless, Vercel, WebSockets, AWS Lambda, Shopify Customizations, Artificial Intelligence (AI), Payment APIs, Stripe, Axios, Mobile First, Styled-components, Server-side Rendering (SSR), Full-stack Development, Technical Leadership, Analytics, MongoDB, AngularJS, Amazon S3 (AWS S3), Amazon DynamoDB, Mobile Apps, JavaScript Testing, Data Modeling, Cloud Services, Team Leadership, SaaS

Senior Software Engineer

2014 - PRESENT

GoDaddy

Developed a custom email rendering engine that powers millions of messages per day.
Implemented an internal ticketing system with delegated access management widely used across the teams.
Built an automation engine that turns external triggers into a set of actions on behalf of customers.

Technologies: React, Node.js, MySQL, APIs, REST APIs, Ruby on Rails (RoR), Amazon Web Services (AWS), Full-stack, Express.js, Architecture, Dashboards, Google, SQL, Redux, Jira, Figma, GitHub, Enterprise Architecture, Platforms, Scalability, React Redux, React Hooks, Unit Testing, Front-end, User Interface (UI), UI Components, Integration Testing, UI Design, Databases, Ruby, Web Development, Solution Architecture, Back-end Development, Communication, Back-end Architecture, Leadership, Docker, ECMAScript (ES6), Front-end Build Tools, Chrome Extensions, Front-end Development, Back-end, API Integration, Open Source, Git, Jest, Webpack, HTML5, Software Architecture, Webhooks, Tableau, Social Media, QA Automation, Microservices, Agile, DevOps, CI/CD Pipelines, Software Design, WebSockets, Axios, Mobile First, Full-stack Development, Technical Leadership, Mobile Apps, JavaScript Testing, Data Modeling, Cloud Services, Team Leadership

Senior RoR Developer

2022 - 2023

Gartner

Spearheaded the migration from a high-scale Sinatra application to a modern Rails application, ensuring a seamless transition while maintaining system performance and stability.
Refactored legacy code into maintainable and efficient code that adheres to industry best practices, resulting in improved system performance and easier code maintainability.
Led and completed a project from its inception, including requirement gathering, architecture development, and proof of concept execution, resulting in a production-ready product that met all design and functionality requirements.
Developed innovative tools designed to automate everyday tasks for developers, enhancing team productivity and work efficiency.
Engineered robust continuous integration (CI) tools that eliminated complications and resolved numerous development challenges, significantly improving code deployment and quality assurance processes.
Provided expert consultations to the team on industry best practices, fostering a culture of continuous learning and performance improvement.

Technologies: Ruby on Rails (RoR), Apache Kafka, Elasticsearch, Git, Jest, Webpack, HTML5, Software Architecture, Webhooks, Social Media, QA Automation, Agile, DevOps, CI/CD Pipelines, Kubernetes, Software Design, WebSockets, Axios, Mobile First, Full-stack Development, Technical Leadership, JavaScript Testing, Data Modeling, Cloud Services, Team Leadership

Senior Software Engineer

2014 - 2014

Mad Mimi

Implemented a responsive email rendering engine that powers millions of messages every day.
Designed and implemented numerous customer-facing UI blocks and pages for various features.
Supported the existing codebase, refactored code, and improved performance.

Technologies: Ruby on Rails (RoR), JavaScript, jQuery, MySQL, Full-stack, Express.js, Architecture, Dashboards, REST APIs, Google, SQL, Redux, Jira, Figma, GitHub, Enterprise Architecture, Scalability, Platforms, React Redux, React Hooks, Unit Testing, Front-end, User Interface (UI), UI Components, Integration Testing, UI Design, Databases, Ruby, Web Development, Back-end Development, Communication, ECMAScript (ES6), Front-end Build Tools, Chrome Extensions, Front-end Development, Back-end, API Integration, Open Source, Git, Jest, Webpack, HTML5, Software Architecture, Webhooks, Microservices, Agile, DevOps, CI/CD Pipelines, Software Design, WebSockets, Axios, Full-stack Development, JavaScript Testing, Cloud Services

Head of Development Team

2012 - 2014

AS UniHolding

Developed a banking software that powers a private bank website and mobile app.
Managed a team of developers and designers to build the product.
Performed a security audit of existing banking software.

Technologies: React, Node.js, PostgreSQL, REST APIs, Full-stack, Express.js, Architecture, Data Visualization, D3.js, Dashboards, Google, SQL, Amazon Web Services (AWS), Next.js, Jira, GitHub, Google Cloud Platform (GCP), Enterprise Architecture, Platforms, Scalability, Unit Testing, Front-end, User Interface (UI), UI Components, Databases, Web Development, Solution Architecture, Back-end Development, Communication, Back-end Architecture, Leadership, Docker, Front-end Build Tools, Chrome Extensions, Front-end Development, Back-end, API Integration, Open Source, Git, Webpack, HTML5, Software Architecture, Agile, Software Design, Vercel, Payment APIs, Stripe, Axios, Full-stack Development, Analytics, Mobile Apps, JavaScript Testing, Cloud Services

Software Engineer

2010 - 2012

Capsoft UG

Developed numerous Ruby on Rails (RoR) websites for customers.
Tracked and fixed bugs using Jira as a reporting tool.
Supported customers by making a list of requirements, providing estimates, and implementing features.

Technologies: Ruby on Rails (RoR), JavaScript, HTML, CSS, Back-end, API Integration, Open Source, Git, Jest, HTML5, Software Architecture, Agile, Payment APIs, Stripe, Axios, JavaScript Testing

Software Engineer

2007 - 2010

SIA Baltinet Data

Developed telecommunication software that powers numerous contact centers daily.
Implemented a web version and a desktop application for contact center employees.
Rolled out software to multiple locations, performing constant monitoring and upgrade.

Technologies: Node.js, APIs, JavaScript, Windows Presentation Foundation (WPF), Back-end, API Integration, Open Source, Git, Jest, HTML5, Software Architecture, Agile, Payment APIs, Stripe, JavaScript Testing

Experience

Blondie Platform

http://blondieapps.com

This platform-as-a-service (PaaS) solution for medium and large-scale businesses is used to build highly customized customer relationship management (CRM) and enterprise resource planning (ERP) systems. I developed the project from scratch, and it is based on React, Node.js, and Neo4j graph-based databases. Thousands of customers around the world use this product.

GoDaddy Email Marketing

This project is based on Ruby on Rails (RoR), and it helps small businesses perform marketing activities quickly and efficiently. As a full-stack developer on this project, I helped other team members implement new features, support the existing codebase, and perform daily tech-based tasks.

Fintera

This fintech project helps its customers get loans faster by submitting a single load request to multiple providers. The project required a sophisticated authentication system, state management, and integration with numerous loan providers. I developed it using React and Node.js.

Bloom Box

http://bloombox.lv

Bloom Box is a Shopify-based application I created for a local florist. In addition to developing a custom step-based checkout experience for customers, my work also included setting up delivery tracking and order management. This project's most challenging and rewarding part was creating a custom checkout process based on React, Node.js, and Firebase. This highly customizable tool allowed users to personalize their workflow based on their selections, improving the overall user experience.

To support the smooth operation of the application, I integrated it with the Shopify API for state updates and to gather product information. This integration also allowed for efficient customer and order management. For seamless transactions, I integrated the application with Stripe API. Additionally, I connected the application with a CRM to streamline client relationships and order processing. My work on Bloom Box has been an excellent opportunity to apply and enhance my full-stack development skills in a real-world context.

Skills

Languages

GraphQL, JavaScript, Cypher, HTML, CSS, TypeScript, SQL, Ruby, ECMAScript (ES6), HTML5, Python

Frameworks

Ruby on Rails (RoR), Express.js, React Native, Material UI, Next.js, Redux, Jest, Tailwind CSS, Windows Presentation Foundation (WPF), NestJS, AngularJS

Libraries/APIs

React, Node.js, REST APIs, jQuery, React Redux, Chart.js, Stripe, D3.js, Twilio API, Social Media APIs, Shopify API

Tools

Slack, Jira, Figma, GitHub, Front-end Build Tools, Git, JavaScript Testing, Auth0, Webpack, Canvas 2D, Zapier, Tableau, Zoom

Paradigms

Unit Testing, Back-end Architecture, Microservices, Agile, Search Engine Optimization (SEO), UI Design, App Development, DevOps, Data Science

Platforms

Firebase, Shopify, Amazon Web Services (AWS), Google Cloud Platform (GCP), Apache Kafka, Docker, Vercel, Twilio, Kubernetes, AWS Lambda, MacOS, Visual Studio Code (VS Code)

Storage

Neo4j, PostgreSQL, MySQL, Google Cloud, Redis, Cloud Firestore, NoSQL, Elasticsearch, Databases, Amazon S3 (AWS S3), MongoDB, Amazon DynamoDB, Graph Databases

Other

APIs, Full-stack, Architecture, Data Visualization, Dashboards, Google, Progressive Web Applications (PWA), Enterprise Architecture, Scalability, React Hooks, Front-end, User Interface (UI), UI Components, Integration Testing, Web Development, Solution Architecture, Back-end Development, Communication, Leadership, Front-end Development, Platforms, Back-end, API Integration, Open Source, Software Architecture, Webhooks, QA Automation, CTO, CI/CD Pipelines, Software Design, WebSockets, Payment APIs, Axios, Mobile First, Styled-components, Server-side Rendering (SSR), Full-stack Development, Technical Leadership, Analytics, Data Modeling, Cloud Services, Team Leadership, Apollo, Gatsby, MERN Stack, Chrome Extensions, OpenAI GPT-3 API, ChatGPT, OpenAI GPT-4 API, eCommerce, Domain-driven Design (DDD), Serverless, Shopify Customizations, Artificial Intelligence (AI), Mobile Apps, SaaS, Headless Commerce

Industry Expertise

Social Media

Education

2010 - 2014

Bachelor's Degree in Business Administration

Baltic International Academy - Riga, Latvia

Certifications

MARCH 2023 - PRESENT

Neo4j Graph Data Science Certification

GraphAcademy

MARCH 2022 - PRESENT

Neo4j Certified Professional

Neo4j

MARCH 2022 - PRESENT

Skill Certification | Javascript Front-end Development

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