Pavel is available for hire

Pavel Puzikov

Verified Expert in Engineering

Full-stack Developer

Location

Lisbon, Portugal

Toptal Member Since

December 16, 2014

Pavel是一名软件工程师，拥有超过15年的创业经验. 他擅长Ruby、JavaScript、React和云技术. Pavel is a founding architect at Zindi, a community of 70,与微软建立战略合作伙伴关系的000名数据科学家, Amazon, and Google. 他也是Flocktory的联合创始人和首席技术官, 这家社交营销平台后来被纳斯达克上市公司QIWI以2000万美元收购.

Software Engineering Full-stack User Interface (UI)Back-end Front-end Data Visualization API Design Integration WebSockets SQL CSS JavaScript Ruby on Rails (RoR)Ruby MySQL Google Bigtable

Portfolio

Zindi.africa

Redux, Node.. js、亚马逊网络服务(AWS)、Ruby、JavaScript、Azure、Docker...

Tecstone Granite USA, Ltd.

Ruby on Rails (RoR), React, WebGL, Three.js, Node.js, Software Engineering...

Infraplan

亚马逊网络服务(AWS)， Ruby, JavaScript, MySQL, D3.js, React...

Experience

Full-stack - 15 years JavaScript - 15 years Ruby on Rails (RoR) - 14 years Amazon Web Services (AWS) - 11 years React - 10 years Data Visualization - 10 years Web Performance Optimization (WPO) - 8 years Architecture - 8 years

Availability

Part-time

Preferred Environment

Tmux, OS X

The most amazing...

...我建立的是Zindi，非洲最大的数据科学竞赛平台.

Work Experience

Co-founding CTO

2017 - 2022

Zindi.africa

在6个月内设计并实施MVP，从一开始就与创始人合作.
构建带有自定义数据管理和SSR的React前端，确保交互时间小于1.5 seconds.
使用Ruby on Rails和Postgres设计API后端, with an average response time of 50ms, alongside a Python service for ML scoring.
AWS和Azure上的托管云部署，包括CI/CD、故障转移和自动伸缩， 维护99.99% uptime.
Cultivated a community of 70,000名活跃的数据科学家，并举办了价值500美元的比赛,000 in prizes.
Led continuous development for five years, 包括与外部机构合作重新设计.

Technologies: Redux, Node.. js、亚马逊网络服务(AWS)、Ruby、JavaScript、Azure、Docker, PostgreSQL, Ruby on Rails (RoR), FlowType.JS, React, Architecture, DevOps, Data Visualization, Web Performance Optimization (WPO), Software Engineering, CSS, Functional Programming, HTML, R, Python, API Design, Next.js, HTML5, ECMAScript (ES6), Data Science, Machine Learning, Full-stack, Jupyter Notebook, Figma, API Integration, Data Analysis, REST APIs, Back-end, APIs, Integration, Technical Architecture, Leadership, Front-end, Git, Startups, SQL, CI/CD Pipelines, Heroku, User Interface (UI)

Full-stack Rails and React Developer

2020 - 2021

Tecstone Granite USA, Ltd.

构建了一个基于浏览器的3D编辑器，用于使用WebGL创建花岗岩纪念碑.
在一个新的和未开发的领域定义需求和体系结构.
开发了支持实时编辑的版本, 包括更换材料和雕刻，并从公司的目录进口.

技术:Ruby on Rails (RoR)、React、WebGL、Three.js, Node.js, Software Engineering, Data Visualization, Web Performance Optimization (WPO), Architecture, CSS, HTML, HTML5, ECMAScript (ES6), NoSQL, Full-stack, Back-end, Technical Architecture, Front-end, Git, Heroku, User Interface (UI)

Full-stack Developer

2018 - 2020

Infraplan

为某城市规划公司开发利用统计分析的内部平台, built with Ruby on Rails and React.
继承了过时的Ruby on Rails代码库，对其进行了优化，并添加了React前端.
实现了一个数据管道来支持全面的数据计算和可视化.

技术:亚马逊网络服务(AWS)， Ruby, JavaScript, MySQL, D3.js, React, Ruby on Rails (RoR), Architecture, Software Engineering, Data Visualization, CSS, HTML, API Design, HTML5, ECMAScript (ES6), Full-stack, Figma, API Integration, Data Analysis, REST APIs, Back-end, APIs, Technical Architecture, Front-end, Git, SQL, Heroku, User Interface (UI)

Co-founder

2016 - 2017

Eleos

创办了一家公司，追求一个应用程序的想法，利用环境信号 来找到传递信息的最佳时间.
Developed a web application, a mobile application, 以及一个Facebook聊天机器人 ，因为我们对这种媒体进行了实验.
使用Ruby和Apache Kafka设计并构建后端，训练AI模型 进行后台信号处理.

Technologies: Redux, Node.js, Amazon Web Services (AWS), Ruby on Rails (RoR), JavaScript, PostgreSQL, Ruby, React Native, React, TypeScript, Architecture, DevOps, Software Engineering, CSS, HTML, API Design, Progressive Web Applications (PWA), HTML5, ECMAScript (ES6), NoSQL, Data Science, Machine Learning, Full-stack, API Integration, Data Analysis, MongoDB, Apache Kafka, REST APIs, WebSockets, Back-end, APIs, Integration, Technical Architecture, Leadership, Front-end, Git, Startups, CI/CD Pipelines, Heroku, Twilio, User Interface (UI), GraphQL

Principal Architect

2016 - 2016

Votecastr (with Slate.com)

设计了一个可扩展的后端来支持实时选举跟踪和预测引擎,  including a mobile app and website, within three months.
Developed a real-time map widget for slate.com，处理超过2000万的页面浏览量和120,000 RPM.
在副作战室与数据团队协调，带领平台度过选举日日夜夜.

技术:Redux, Amazon Web Services (AWS)， Ruby on Rails (RoR)， JavaScript, D3.js, PostgreSQL, React, Ruby, DevOps, Software Engineering, Data Visualization, Web Performance Optimization (WPO), Architecture, CSS, HTML, API Design, HTML5, ECMAScript (ES6), NoSQL, Data Science, Machine Learning, Full-stack, API Integration, Data Analysis, REST APIs, Back-end, APIs, Integration, Scraping, Technical Architecture, Leadership, Front-end, Git, Startups, User Interface (UI)

Full-stack Developer

2015 - 2015

Predictions Dashboard

创建了一个应用程序，以可读的方式处理和呈现大量数据. 这些数据包含了数百gb的历史信息以及对未来的预测, delivered weekly in CSV format.
Selected Google BigQuery for data storage, which provided linear query time, 并创建了一个管道，以便在新文件添加到Amazon S3 bucket时自动更新数据.
为数据API和用户管理面板构建了带有双因素身份验证的Ruby on Rails后端.
用React和大量使用D3创建前端.js.

Technologies: Amazon Web Services (AWS), Ruby on Rails (RoR), JavaScript, PostgreSQL, BigTable, Ruby, D3.js, React, DevOps, Software Engineering, Data Visualization, Web Performance Optimization (WPO), Architecture, CSS, HTML, R, Python, API Design, HTML5, NoSQL, Full-stack, API Integration, Data Analysis, REST APIs, Back-end, APIs, Integration, Technical Architecture, Front-end, Git, CI/CD Pipelines, User Interface (UI)

CTO

2012 - 2014

Flocktory

第一天就以CTO的身份加入，并在两个月内用Ruby on Rails构建了MVP.
领导了两年的开发，并将工程团队扩大到8人.
为实现盈利和5个用户群做出了贡献,2 million MAU within two years, 最终被纳斯达克上市公司QIWI以2000万美元收购.

Technologies: Amazon Web Services (AWS), Ruby on Rails (RoR), JavaScript, PostgreSQL, MySQL, Ruby, Architecture, DevOps, Software Engineering, Web Performance Optimization (WPO), CSS, Functional Programming, HTML, API Design, HTML5, Full-stack, API Integration, Data Analysis, REST APIs, WebSockets, Back-end, APIs, Integration, Technical Architecture, Leadership, Front-end, Git, Startups, SQL, CI/CD Pipelines, User Interface (UI)

Web Developer

2010 - 2013

Grapevine

创立并经营一家网络咨询公司，专门为早期创业公司提供服务.
Consulted with multiple clients, including habr.com with 13 million MAU and rutube.ru with 20 million MAU.
Worked with the founders from inception, making prototypes, building the MVP, hiring, and transferring a project to an in-house team.

Technologies: D3.js, Amazon Web Services (AWS), MySQL, Ruby, JavaScript, Ruby on Rails (RoR), DevOps, Software Engineering, Web Performance Optimization (WPO), Architecture, CSS, Functional Programming, API Design, HTML5, Full-stack, API Integration, Data Analysis, REST APIs, Back-end, APIs, Integration, Scraping, Technical Architecture, Front-end, Git, Startups, SQL, CI/CD Pipelines, User Interface (UI)

Experience

Zindi Africa

http://zindi.africa

Zindi是非洲举办数据科学竞赛的最大平台. 我与创始人密切合作，构建平台, which connected 50,000 data scientists and has Microsoft, Uber, and Amazon as partners. 使用的技术包括Ruby on Rails和React, 该平台托管在Azure上，部分托管在AWS上.

Votecastr

http://en.wikipedia.org/wiki/Votecastr

Votecastr是一个与slate合作开发的实时投票报道和预测应用程序.该网站曾用于2016年美国总统大选. 我负责数据处理以及Votecastr和slate网站上仪表板和地图的开发, the admin panel, 用于监视和管理传入数据的仪表板, 以及与现场人员交流的API. In short, 我负责所有的技术，除了Android应用程序和实际的预测模型.

ezyorganizer

http://ezyorganizer.com/

一个为iOS和Android设备设计的活动管理应用程序，我用React Native构建. The app features a calendar, task management, real-time collaboration, customized alerts and notifications, and paid subscription options. The back end is powered by Firebase, providing seamless access to the database, authentication, storage, and serverless functions.

Skills

Languages

CSS, HTML, Ruby, JavaScript, HTML5, ECMAScript (ES6), SQL, TypeScript, GraphQL, Clojure, Elm, Python, R

Frameworks

Redux, Ruby on Rails (RoR)，顺风CSS, React Native, Next.js, ClojureScript

Libraries/APIs

D3.js, Node.js, React, REST APIs, FlowType.JS, WebGL, Three.js

Tools

Git, Figma, BuildFire

Paradigms

Web性能优化(WPO)， DevOps，函数式编程，数据科学

Platforms

Amazon Web Services (AWS), Heroku, Azure, Google Cloud Platform (GCP), Docker, Jupyter Notebook, Twilio, Apache Kafka, Mobile, Firebase, Android, iOS

Storage

MySQL, PostgreSQL, NoSQL, MongoDB, BigTable

Other

Data Visualization, Software Engineering, Architecture, System Design, Full-stack, API Design, API Integration, Documentation, WebSockets, Back-end, APIs, Integration, Technical Architecture, Front-end, Startups, CI/CD Pipelines, User Interface (UI), Progressive Web Applications (PWA), Machine Learning, Data Analysis, Storybook, Scraping, Leadership

Education

2004 - 2008

Bachelor's Degree in Computer Science

圣彼得堡国立信息技术大学, Mechanics, and Optics - Saint Petersburg, Russia

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