Hello!

My name is Konstantin Simakov and I am a developer with over 14 years of experience in commercial software development.

I specialize in building iOS apps and have worked with multiple companies as a remote contractor for the past 8 years.

I focus on creating applications with a user-friendly and intuitive interface, always considering the needs of both users and businesses.

I strive to keep things as simple as possible. I believe that the best solutions are the ones that are easy to use and understand.

Personal info

Info

Name: Konstantin Simakov
Age: 33
Email: k@simakov.it

Language skills:

Russian: Native
English: Intermediate
German: Basic

Interests:

Software Development
Extreme sports
Music
Traveling
Technologies

Overall Technical Skills

Languages: Objective-C, Swift, Rust, Java, C#, Asp.Net, Node.js, JavaScript, JSON, SQL, PHP, HTML
Databases: CoreData, Realm, SQLite, MSSQL Server, MySQL, MongoDB
Development Software: Xcode, VS Code, Sublime Text, Git, Source Tree
Graphics: Sketch, Adobe Photoshop, Adobe Illustrator, Adobe XD
Technologies: SwiftUI, UIKit, Core Graphics, Core Animation, CoreData, RESTful web services
Services: Jira, Bitbucket, Fabric (Crashlytics), Trello, Github, Gitlab

Experience

Student

Perm College Of Technology and Chemistry
Sep 2005 - Jun 2009
Software development

Perm National Research Polytechnic University
Sep 2010 - Jan 2012
Information Technologies and Computer-Aided Systems

Software developer

JSC Prognoz
Feb 2009 - Aug 2013

I was responsible for designing, building, and maintaining systems for collecting, loading, processing, analyzing, and outputting data.
I also managed databases and worked on optimizing and administering them.
In addition, I developed several in-house iOS applications for government organizations and created iOS app prototypes.
I also provided technical writing support and communicated with customers, as well as contributing to project management, mentoring, and supervision.

Skills: MSSql, C#, Asp.Net, PHP, JavaScript, Objective-C

iOS/JS developer

Enaza
Sep 2013 - Dec 2013

I have extensive experience working on an iOS app for interactive books. This app allows users to read and interact with digital books in a way that enhances their reading experience.
In addition to developing the iOS app, I also contributed to the creation of a web platform for authors and publishers to create and publish their own interactive books. This platform provides a user-friendly interface for designing and uploading digital content, making it easy for anyone to create interactive books.

Skills: Objective-C, Node.js, MongoDB, JavaScript, TypeScript

Remote iOS developer

Toptal, LLC
Mar 2014 - May 2016

As a contractor for several US-based companies, I have experience creating iOS apps from scratch as well as improving and providing support for existing apps.
My past projects include building a dating app iOS platform and producing several niche apps based on this platform.
I have also worked on a team of 6 developers to maintain and improve a medical diary app.
Overall, I have a strong understanding of the process of building and maintaining iOS apps and am able to deliver high-quality results for my clients.

Skills: Objective-C, Swift, Node.js, REST, CoreData, SQLite, Apple Subscriptions, Push Notifications

Remote iOS developer

AppeProPo, Inc.
May 2016 - Today (on-demand maintenance)

I have experience building the version 2.0 of the Appy Couple and Appy Life iOS app from scratch.
This involved implementing a full user interface with over 50 screens
I have built an offline data cache with local data storage using CoreData, as well as network layer to sync data with an API
Included various animations to enhance the user experience.
In addition to my technical contributions, I participated in making UI and UX decisions and mocked up some features that were eventually incorporated into the final product.
I have served as a mentor for a junior developer and helped in managing the Android team.

Skills: Objective-C, Swift, SwiftUI, REST, CoreData, Apple Subscriptions, Dependency Injection, Push Notifications

Remote iOS developer

OnyxCorp
March 2019 - Today

I have extensive experience in the development and maintenance of encrypted and secure messaging apps, including participating in the improvement of such an app.
I have built multiple screens and features, including a complex user interface and local data storage management.
I have experience working closely with local Realm databases and implementing data signaling through socket with Protobuf.
I have also contributed to the maintenance and improvement of the app's complex cryptography system.
In addition to my technical work, I have also produced technical documentation and participated in intense cross-team communication to design complex decentralized data systems.
Overall, my skills and experience make me a valuable asset in the development and maintenance of secure messaging apps.

Skills: Swift, Objective-C, UIKit, SwiftUI, Realm, Rust, Cryptography, Socket, Protobuf

Mobile apps

AppyCouple Wedding App

The wedding hub for you and your guests.
Appy Couple consolidates all your wedding sharing needs into a dynamic app and wedding website.

Invoice Ahead

Simple and intuitive invoicing app

PostalPix

PostalPix is a free app that lets you order real photo prints of pictures from your iPhone and Instagram.

Events Apps

App made for people participating different conferences.

Rio Novo SAC

Rio Novo SAC is the app for housemates.

RioNovo

Inhouse app for salesmen of building company in Brazil

On.com

ON.com is the newest way to meet people through photos. Like, comment, & send private messages with locals in your area and around the world.

Friskee

Friskee is a fun cool app that lets you share photos with people you match with. Swipe right to like someone or swipe left to skip.

"Open Budget" app prototype

Application with Moscow budget data, analytics, data visualizers and maps

Business registration app

App allows users send documents to the Federal Tax Service for registering their own business

Stunr

Stunr is a fun cool app for gay men that lets you share photos with people you match with. Swipe right to like someone or swipe left to skip.

Caliente

Caliente is the #1 Latino dating app with MORE dates and relationships than all the rest.

Web apps

In addition to my experience with iOS app development, I have also developed several web projects including budget organizations, rich internet applications, and landing pages.

Known technologies:

Asp.Net / C#
Node.js
PHP
HTML / HTML5
CSS
JavaScript / JQuery / Backbone
MSSQL / MySQL
MongoDB
XML / JSON / SOAP

Browser extensions

I have experience developing browser extensions for Firefox, Google Chrome, and Safari. I have also published my own Google Chrome extension on the Chrome Store.

Known technologies:

JavaScript
Google Chrome Extensions API
Working with Data through AJAX
VK social network API