Dmitry Sumskoy
Frontend Developer with the Backend background

I'm a software engineer specialised in frontend development with the backend experience for complex scalable web apps

Dmitry Sumskoy

About me

Passionate about technology since middle school, I delved into programming during my master's journey and found my true calling. I approach problem-solving with a critical mind, always valuing simplicity over complexity. Beyond coding, I like photography, capturing stories in every frame. Whether immersed in video games or exploring nature through hiking, I find inspiration in the perfect blend of the digital and the real.

What I do

I have more than 6 years experience building software for clients from Europe and USA. In my work, I always try to decompose and simplify the complex, turning it into simple and straightforward. Below is a quick overview of my main skill sets and technologies I use.

Frontend

JavaScript HTML5 CSS3 React.js TypeScript SASS React-Redux Webpack npm GraphQL Next.js Bootstrap

Backend

Ruby on Rails Sinatra Node.js Express.js Java Spring Boot PostgreSQL Nginx *nix

Full-stack

RESTful API GraphQL JSON WebSockets

QA

TDD BDD DDD CI/CD Jest Mocha RSpec CircleCI

Methodoligies

I've applied Agile and Scrum, participating in cross-functional teams in iterative solution delivery for efficient and continuous improvement.

Quality

I always try to deliver as high quality solutions as I can. I'm a strong advocate for clean, maintainable, and efficient code.

Mentoring

I have experience in mentoring and coaching junior developers and teaching programming to beginners.

Soft Skills

I thrive in detailed code reviews, prioritize teamwork for collective success, and bring dedication and accountability to meet project goals.

What I worked on

I have worked on a wide range of projects. Below are a few because not all of them are public.

stessa
USA, 2019-2020

Worked on the frontend with a huge React code base and lots of custom components. Improved existing features and implemented a lot of new ones.

See project
vuix
Italy, 2018-2019

Worked on both frontend and backend. Implemented UI elements and complex logic of interaction with thrird-party services and the end user.

See project
litify
USA, 2020

Worked with a vast legacy code base improving existing features and fixing UI issues.

See project
ss
Kazakhstan, 2020-2022

Worked as a lead full-stack developer and implemented complex logic of scheduling music and players for web and desktop platforms.

See project

Below are the projects I've worked on that aren't public. If you want to learn more about my experience or get the recommendation statement, please contact me.

SMASH (University of Washington)
USA, 2020-2021

Worked as a lead full-stack developer. Our clients were former top managers from Microsoft and we've successfully delivered a project that helps students land a job before they gradudate.

Methodical Platforms
USA, 2021-2023 (most recent)

Worked as a lead frontend developer and later as a full-stack developer switching from Ruby to Java. Built a platform with complex Excel-like tables for real estate investors.

Dizhong
Kazakhstan, 2022

Worked as a backend and mobile (React Native) developer on a logistics service for a local market.

Vault77 Programming School
Kazakhstan, 2019-2020

Worked as a mentor and a teacher. Developed several programming courses and taught programming to beginners and coached junior developers.

Contact me

You can find my email and phone number in my resume. Or you can use the form below to send me a message. Thanks!