Maxim is available for hire
Hire MaximMaxim Gladkov
Verified Expert in Engineering
Software Developer
Orihuela, Spain
Toptal member since April 6, 2022
Bio
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.
Portfolio
GoDaddy
React, Node.js, MySQL, APIs, REST APIs, Ruby on Rails (RoR)...
Curie.Bio
React, Node.js, Elasticsearch, Python, Vercel
Casita
Next.js, JavaScript, PHP, React, Laravel
Experience
Availability
Part-time
Preferred Environment
Slack, Visual Studio Code (VS Code), Zoom, MacOS, Jira, Figma, GitHub, Sidekiq
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
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 Software, 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, 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 Development, 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, Sidekiq
Full-stack Developer
2023 - 2024
Curie.Bio
- Developed and deployed a sophisticated RESTful API, enhancing system integration and data management capabilities.
- Crafted numerous React components, contributing to the application's robust and dynamic user interface.
- Transitioned existing React components to leverage the Material UI library, significantly improving UI consistency and responsiveness.
- Engineered and executed Cypress end-to-end tests, ensuring reliability and seamless functionality across the application. Successfully integrated authentication mechanisms into a Next.js application, bolstering security and user experience.
Technologies: React, Node.js, Elasticsearch, Python, Vercel
Next.js Expert
2023 - 2023
Casita
- Diagnosed and resolved load time issues, significantly improving website performance and speed.
- Applied advanced Next.js development and optimization techniques for a better user experience.
- Implemented server-side rendering (SSR) and static site generation (SSG) to achieve optimal performance.
- Used performance monitoring and profiling tools to identify and rectify bottlenecks and inefficiencies.
- Achieved substantial improvements in site performance metrics, resulting in a more efficient and user-friendly website.
Technologies: Next.js, JavaScript, PHP, React, Laravel
Solutions Architect
2023 - 2023
Skywolf.ai
- Conducted a comprehensive feasibility analysis for a new software application.
- Designed and proposed a graph-based database structure utilizing Neo4j.
- Developed a data ingestion engine for efficient data importation.
- Implemented a GraphQL-based API for dynamic data manipulation within the database.
- Provided ongoing consulting, offering technical guidance and decision support to the client.
- Successfully integrated the graph database solution within an AWS environment.
- Demonstrated expertise in graph databases, cloud services, and API development, leading to a successful project deployment.
Technologies: Neo4j, Amazon Web Services (AWS), Heroku
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, Sidekiq
Chief Technology Officer (CTO)
2014 - 2023
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 Software, SQL, Amazon Web Services (AWS), Redis, Next.js, Search Engine Optimization (SEO), Cloud Firestore, Redux, Jira, Figma, GitHub, Progressive Web Applications (PWAs), Google Cloud Platform (GCP), Enterprise Architecture, Platforms, Scalability, 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 Development, 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 - 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 Software, 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 Development, Git, Jest, Webpack, HTML5, Software Architecture, Webhooks, Microservices, Agile, DevOps, CI/CD Pipelines, Software Design, WebSockets, Axios, Full-stack Development, JavaScript Testing, Cloud Services, Sidekiq
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 Software, 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 Development, 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 Development, 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 Development, Git, Jest, HTML5, Software Architecture, Agile, Payment APIs, Stripe, JavaScript Testing
Experience
HR App for Curie.Bio
https://curie.bioAs part of a dedicated team at Curie.Bio, a venture capital firm revolutionizing biotech startup support, I contributed to the development of a pivotal internal application. This tool was designed for HR purposes, specifically to search for and track potential biotech startup prospects, aligning with Curie.Bio's mission of nurturing groundbreaking therapeutics companies. Our collective efforts focused on constructing RESTful APIs, crafting user-friendly React components, and enhancing the app's interface with the Material UI library for optimal user experience.
Additionally, we ensured secure user authentication within a Next.js framework and validated the application's performance through comprehensive Cypress end-to-end tests. This collaborative project significantly bolstered Curie.Bio's efficiency in managing and supporting promising biotech innovations, demonstrating the power of technology in streamlining venture capital operations in the biotech sector.
Additionally, we ensured secure user authentication within a Next.js framework and validated the application's performance through comprehensive Cypress end-to-end tests. This collaborative project significantly bolstered Curie.Bio's efficiency in managing and supporting promising biotech innovations, demonstrating the power of technology in streamlining venture capital operations in the biotech sector.
System Modernization at Gartner
https://getapp.comAs a senior Ruby on Rails developer at Gartner, through Toptal, I led significant initiatives, including migrating a large-scale Sinatra application to Rails, enhancing performance and maintainability. My efforts in refactoring legacy code to align with best practices directly improved system efficiency. I spearheaded a complete project lifecycle, from concept to production, introducing innovative automation tools that boosted developer productivity. Additionally, I developed continuous integration tools to streamline code deployment and quality checks. My role involved advocating for industry best practices and fostering a culture of continuous learning, contributing to Gartner's leadership in research and advisory services.
Graph Database Solutions Architect for Skywolf.ai
https://skywolf.ai/As a solutions architect, I led the development and implementation of a graph-based database solution using Neo4j for a software application project. My role involved conducting a feasibility analysis, designing the database structure, and developing a data ingestion engine and a GraphQL API for data manipulation. Throughout the engagement, I provided expert consulting, guiding the client through technical decisions and ensuring the architecture met their needs. The successful deployment within an AWS environment demonstrated my expertise in graph databases and my ability to deliver comprehensive solutions in a short timeframe.
Next.js Performance Optimization for Casita.com
https://casita.comAs a specialist in Next.js, I focused on enhancing website performance and reducing load times. Utilizing my expertise in Next.js and proficiency in JavaScript, HTML, and CSS, I addressed performance issues through optimization techniques and best practices. My role also involved leveraging server-side rendering (SSR) and static site generation (SSG) for further improvements. I achieved notable enhancements in site speed and user experience through targeted optimizations and employing performance monitoring tools.
Blondie Platform
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
https://bloombox.lvBloom 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.
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.
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
Online Freelance Agency
Skills
Libraries/APIs
React, Node.js, REST APIs, jQuery, React Redux, Chart.js, Stripe, Sidekiq, D3.js, Twilio API, Social Media APIs, Shopify API
Tools
Slack, Jira, Figma, GitHub, Front-end Build Tools, Git, JavaScript Testing, Auth0, ChatGPT, Webpack, Canvas 2D, Zapier, Tableau, Zoom
Languages
GraphQL, JavaScript, Cypher, HTML, CSS, TypeScript, SQL, Ruby, ECMAScript (ES6), HTML5, Python, PHP
Frameworks
Ruby on Rails (RoR), Express.js, React Native, Material UI, Next.js, Redux, Jest, Tailwind CSS, Windows Presentation Foundation (WPF), NestJS, AngularJS, Laravel
Paradigms
Unit Testing, Back-end Architecture, Microservices, Agile, Search Engine Optimization (SEO), UI Design, App Development, DevOps
Platforms
Firebase, Shopify, Amazon Web Services (AWS), Google Cloud Platform (GCP), Apache Kafka, Docker, Vercel, Twilio, Kubernetes, AWS Lambda, Heroku, 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
Industry Expertise
Social Media
Other
APIs, Full-stack, Architecture, Data Visualization, Dashboards, Google Software, Progressive Web Applications (PWAs), 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 Development, 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, OpenAI GPT-4 API, eCommerce, Domain-driven Design (DDD), Serverless, Shopify Customizations, Artificial Intelligence (AI), Mobile Apps, SaaS, Headless Commerce, Data Science
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