Software Engineer
2016 - 2018Aspiration Partners, LLC- Designed and delivered an SOA system for financial account opening and management.
- Implemented a solution for the processing and storage of PII and other sensitive data.
- Increased the account security by building a 2FA solution.
- Mitigated the amount of fraud by setting up a system for identity verification.
- Built a mechanism for migrating users from one banking partner to another.
- Optimized the performance via algorithms and query tuning; in one case, reducing the job execution time from eight hours to under one second.
- Proactively identified and communicated risks to management; created plans to mitigate risk in each of the projects.
- Managed the application deployment and post-deployment verification.
- Delivered improvements to internal admin portal built on React and Node.js.
- Implemented a system for ingesting files from a banking partner using Python.
Technologies: Ruby on Rails, React, Node.js, PostgreSQL, RabbitMQ, Docker, Vault, GraphQLTech Lead
2014 - 2016The Honest Company, Inc.- Increased the customer conversion rate by 10% by optimizing the performance and UX of a web-based checkout flow.
- Enhanced an order management system with the capability to fulfill an order from multiple distribution centers.
- Built and A/B tested experimental features on top of an existing platform.
- Managed a cross-functional team of eight developers.
- Ensured the application performance by monitoring the system and delivering optimization patches.
Technologies: Ruby on Rails, AngularJS, PostgreSQL, RabbitMQ, Optimizely, MongoDB, CoffeeScriptSoftware Engineer
2013 - 2014Fiksu, Inc.- Developed a customer-facing web portal for the management of advertising campaigns.
- Crafted APIs and interactive data visualizations.
- Designed and delivered rapid prototypes of web GUIs.
- Expanded the functionality and improved the performance of administrative tools.
- Wrote and executed database migrations.
- Improved API performance via database query tuning.
- Integrated a web portal with Stripe.
Technologies: Ruby on Rails, jQuery, Highcharts, MySQL
Andrey Izotov
JavaScript Developer in Los Angeles, CA, United States
Member since August 21, 2018
Andrey is a full-stack developer specializing in the delivery of optimized solutions built with React and Ruby on Rails. Zealous about TDD, he enjoys delivering maintainable systems with high-test coverage. He produces reliable results, whether leading a team or working independently. Passionate about designing software systems, Andrey can provide a solution to satisfy your technical needs.
Andrey is now available for hire
Portfolio
- Aspiration Partners, LLCRuby on Rails, React, Node.js, PostgreSQL, RabbitMQ, Docker, Vault, GraphQL
- The Honest Company, Inc.Ruby on Rails, AngularJS, PostgreSQL, RabbitMQ, Optimizely, MongoDB...
- Fiksu, Inc.Ruby on Rails, jQuery, Highcharts, MySQL
Experience
- Object-oriented Programming (OOP), 11 years
- SQL, 8 years
- Test-driven Development (TDD), 7 years
- Ruby on Rails (RoR), 7 years
- JavaScript, 7 years
- RabbitMQ, 5 years
- AngularJS, 2 years
- React, 2 years
Availability
Part-time
Preferred Environment
VS Code, OS X, GitHub, Docker
The most amazing...
...thing I've built is an optimization for an eCommerce checkout flow that increased customer conversion by 10%.
Employment
Experience
- Account Opening and Management System Implementation (Development)
I designed and delivered an SOA system for opening and managing financial accounts. The system was comprised of third-party service integration points, internally-accessible-and-public-facing APIs, and background processing modules.
Technologies: Ruby on Rails, PostgreSQL, RabbitMQ - Two-factor Authentication Implementation (Development)
I enhanced an application's security by implementing a 2FA solution.
Technologies: Java, PostgreSQL, Twillio - User Migration Implementation (Development)
I implemented a mechanism for migrating users from one banking partner to another.
Technologies: Ruby on Rails, PostgreSQL, RabbitMQ - Checkout Flow Improvement (Development)
I improved the checkout flow of an eCommerce application by rebuilding a multi-page Rails-views experience as a single-page application. The resulting performance and UX improvements accounted for a 10% conversion lift.
Technologies: Ruby on Rails, AngularJS, Optimizely - Order Management System Improvement (Development)
I enhanced an order management system with the capability to fulfill an order from multiple distribution centers.
Technologies: Ruby on Rails, PostgreSQL, RabbitMQ - CellSim (Other amazing things)https://www.youtube.com/playlist?list=PLmatbM0gftCvPawO_vajHoLuAbIM_H_36
Inspired by biological cell behavior, I designed and developed an application for modeling mutations of living tissues. The simulation included cell division, death, mutation, movement, angiogenesis, metastasis, inter-cell signaling, and elimination of severely mutated (cancer) cells.
Technologies: C#, XNA, WPF, Dynamic Data Display - Secret Storage Implementation (Development)
I enhanced a software system with a secure secret storage and dynamic credential provisioning mechanism via a Vault integration.
Technologies: Ruby, Java, Vault
Skills
Languages
JavaScript, Ruby, HTML5, CSS, SQL, CoffeeScript, GraphQL, PythonFrameworks
Ruby on Rails (RoR), AngularJSLibraries/APIs
React, jQuery, Stripe, Node.js, D3.jsTools
Git, CircleCI, Vault, RabbitMQParadigms
Test-driven Development (TDD), Agile Software Development, Object-oriented Programming (OOP), Continuous Integration (CI)Platforms
Docker, New Relic, Amazon Web Services (AWS), RancherStorage
PostgreSQL, MongoDB, Datadog
Education
- Bachelor's degree (magna cum laude) in Computer Science2009 - 2013University of Massachusetts - Amherst, MA, USA
