Hi, I'm Oleh Rabchuk.
A
Results-driven Full Stack Developer with 5+ years of experience in designing, developing, and maintaining web applications. Proficient in front-end and back-end technologies such as HTML, CSS, JavaScript, React, Node.js, and MongoDB. Skilled in creating responsive and user-friendly interfaces while ensuring optimal performance and functionality. Strong problem-solving abilities and a passion for staying updated with the latest technologies in the industry. Seeking to leverage my expertise to contribute to innovative projects and drive business growth.
About
I am an experienced Full Stack Developer seeking an opportunity at your company. I have a strong track record and am looking forward to bringing my skills and abilities to the team. My unique combination of education, skills and work experience has allowed me to develop my strengths in web/mobile application development, android application development and designing software applications. Because of my varied background, I am a resourceful and creative problem solver. I can always find multiple solutions to even the most complex problems. I would greatly appreciate your review of my enclosed resume and outlined credentials. I believe that I can be a valuable addition to Braintrust and your business goals. At your convenience, I am available for an interview or further discussion. Let's work together! Thank you!
- Languages: Python, Java, JavaScript, C, C++, HTML/CSS, Bash
- Databases: MySQL, PostgreSQL, MongoDB,
- Libraries: NumPy, Pandas, OpenCV
- Frameworks: Flask, Django, Node.js, Keras, TensorFlow, PyTorch, Bootstrap, Apache Beam
- Tools & Technologies: Git, Docker, AWS, GCP, Heroku, JIRA
Looking for an opportunity to work in a challenging position combining my skills in Software Engineering, which provides professional development, interesting experiences and personal growth.
Services
Front End Development
- Have some experience in UI/UX Design using Adobe XD, Figma, Sketch, Adobe Photoshop.
- Very good experience in developing frontend using React including several projects like e-commerce, financial, education, customer management, real estate, Blockchain area.
- Professional Next.js developer having 4 years of experience with T3 stack, GraphQL, Planet Scale, Hygraph, NextAuth, Stripe integration and so on.
- Rapid growing Vue.js developer having Vue3, Vuex, Vuetify, Nuxt.js and Quasar framework.
- Very good sense of UI/UX, well-known component concept, first mobile design making, SEO, performance and optimization
- React animation expert, some knowledge of three.js, chart implemention using D3.js and several chart libraries...
Back End Development
- Professional in Node.js especially Express and Nest.js, familiar with Restful API and GraphQL, integrated several third party API like Calendly API, Zoom SDK, Coinbase API, Slack Volt API, SOAP API, Swell API and so on.
- Laravel Expert having modern technology like Laravel Mix, Laracast, Livewire, Laravel Nova, Inertia and so on.
- Some experience in Python and Fast API, NumPy, Pandas, and SciPy.
Mobile App Development
- Have experience in iOS, Android, React Native and Flutter.
- Very good experience in developing app using Swift, Java, Kotlin, React Native and Flutter including several projects like e-commerce, financial, education, customer management, real estate, Blockchain area.
- Professional Android and iOS developer having 8 years of experience with Emoji Sticker, Stripe integration and so on.
- Rapid growing Flutter developer having dart framework.
Blockchain Area
- Cryptocurrency & Altcoin creation
- Smart Contract Development using Solidity and Rust
- Token creation on ETH, BSC, MATIC, and other EVM chains
- NFT creation on Ethereum, Polygon, Solana, and other chains
- Decentralized exchanges (Pancake swap, Uniswap, etc)
- Yield farms
- Token staking, rewards tracking dashboards
- Cryptocurrency node & master node installation
- Cryptocurrency mining pool installation
- Web3.js, ether.js, usedApp, Wagmi
Chrome extension development & Scrapping
- Have experience in developing Chrome extension which is AI-generated bulk messaging tool for recruiters on LinkedIn using GPT-4 model
- Scrapping expert using Puppeteer, Browserless API, Selenium
Experience
Full-stack Developer
- Led major updates to the frontend testing infrastructure, including implementing Cypress E2E testing and collaborating on the implementation of a Gitlab CI/CD pipeline.
- Ownership of code health and dependency updates across all front-end repositories, ensuring a smooth functioning and high-quality product.
- Successfully onboarded new clients and provide them with comprehensive support, including daily data reports to help them make informed decisions.
- Developed and published Angular libraries via NPM, which were utilized across multiple applications to streamline and accelerate the development process.
- Collaborated with product and design to write user stories and create wireframes for new features.
- Developed front-end components using TypeScript, Angular, SaSS, HTML and collaborated with back-end engineers to integrate code with server-side logic.
- Worked with DevOps to deploy features to production and monitor performance for updates
- Skills Python, Flask, MongoDB, React, Laravel, MySQL, CMS technology, Github, Google Map, Mean, MERN
Jan 2024 - Present | Park, US
Full Stack Web Developer
- Designed a responsive user interface using Chakra UI, which led to a 26% decrease in bounce rate.
- Optimized database queries to improve overall database performance by 43%.
- Worked with the QA team to resolve bugs and ensure the delivery of high-quality software products.
- Implemented continuous integration and deployment pipelines, reducing release cycles by 28%
- Oversaw DevOps for 4 modules - Security, Performance Measurements, Benefits Profiles - using JAZN, J2EE, and ESS
- Resolved over 250 critical software bugs to resolve issues and improve performance to ensure ongoing operations.
- Implemented 34 Test Driven Deployments (TDD) using Rspec and Jasmine spec runner for unit and functional testing.
- Served as third-level technical support for incident and problem management, achieving a 98% SLA for all escalated ticket.
- Enhanced functionality and scalability of a video streaming platform catering to content creators.
- Developed and expanded the video history functionality for both the client and API.
- Worked with product and design and other developers to implement new designs and functionality to the app and website
- Skills: Python, Flask, OpenCV, Keras, Tensorflow, JavaScript, React Native · Machine Learning · Artificial Intelligence (AI), Next.js · React.js · Problem Solving
Sep 2022 - Dec 2023 | Kyiv, Ukrain
Junior Full Stack Developer
- Created over 110 programs leveraging proficiency with HTML5, CSS3, and JavaScript (including ECMAScript).
- Supported 78 implementations of UI/UX styling frameworks including Bootstrap, Foundation, and Semantic UI Developed 123 modules using NodeJS and MeteorJS development frameworks.
- Processed over 310 changes requests with zero defects.
- Integrated Redux for state management, optimizing application performance and reducing load time by 47%
- Used Apollo Client for GraphQL integration, which resulted in a 53% reduction in API response time.
- Participated in code reviews to provide constructive feedback and ensure adherence to best practices.
- Improved development processes by implementing CI/CD pipelines, reducing release cycles by 39%.
- Skills: Symfony Framework · Laravel · JavaScript Frameworks · Amazon Web Services (AWS) · Web Development · Node.js · WordPress · AngularJS · Front-End Development · JavaScript · React.js · Problem Solving · Web Application Development · Cascading Style Sheets (CSS) · Vue.js
Sep 2021 - Aug 2022 | Kyiv, Ukraine
Projects
Music Player Web-App
A music streaming web app based on Django
Accomplishments
- Tools: Django, HTML, CSS, Bootstrap, SQLite, AWS S3, Heroku
- Register/login to the web app(with OAuth-based Google Sign-In).
- Search and filter songs based on language and singer.
- Create multiple playlists and add/remove songs to/from playlist.
- Scroll through recently played/viewed songs.
Visual Question Answering
An attention-based classification model that aims at generating an answer for a given input image.
Video Summarizer
A Seq2Seq model that generates a short summary of the given input video.
Image Generator
An image generator based on the concept of adversarial networks (GANs)
Skills
Languages and Databases
Python
HTML5
CSS3
MySQL
PostgreSQL
Shell Scripting
Libraries
NumPy
Pandas
OpenCV
scikit-learn
matplotlib
Frameworks
Django
Flask
Bootstrap
Keras
TensorFlow
PyTorch
Blockchain
Bitcoin
Ethereum
Solana
Cosmos
Other
Git
AWS
Azure
GraphQL
Jira
MapBox
Education
Lutsk, Ukraine
Degree: Bachelor's Degree in Computer Science
CGPA: 4.0/4.0
- Distributed Database Systems
- Cloud Computing
- Foundations of Algorithms
- Data Structures and Algorithms
- Database Management Systems
- Operating Systems
- Machine Learning
- Computer Vision
Relevant Courseworks:
Recommends
Linkedin Recommendations
Ahmad Naser
Co-founder of GreenBackend company
Accomplishments
-
Oleh is really a great problem solver, I've impressed by his ability to solve complicated
technical problems with the minimum amount of management, he is really super learner and an
effective implementor, write your requirements and he will make sure it gets done, that's the
ultimate factor in the reliable developers, Oleh is basically one of them and I highly recommend
him in any full-stack development job.
Aurélien Monchambert
COO of Hirepeople company
Accomplishments
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As the COO of HirePeople company, I had the pleasure of working with Oleh on a project where he
showcased his exceptional React skills and expertise in building a project from scratch. His work
ethic and dedication to delivering high-quality work quickly were outstanding. He also contributed
significantly to the development of a Chrome extension for our company, which helped us to achieve
our business goals. I highly recommend Oleh to anyone looking for a reliable, skilled, and
efficient web developer.
Wassim Azirar
CTO of Hirepeople company
Accomplishments
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I've worked with Oleh on several frontend development projects using React, TypeScript, and Redux.
I believe Oleh has potential to develop into a great developer with guidance. I recommend them for
projects where clear communication and collaboration expectations are established.
Victor Niculae
Senior Software Engineer
Accomplishments
-
I have had the pleasure of working closely with Oleh and can attest to their exemplary skills in
React and Laravel development. Their passion for delivering top-notch solutions is evident in
their exceptional work and demonstrated technical proficiency. Oleh has an innate ability to
quickly understand and navigate complex problems with ease, and their ability to collaborate with
cross-functional teams is a testament to their exceptional communication skills. I strongly
recommend Oleh to any organization looking for a seasoned developer with a track record of
success.
Clive Richardson
Senior SQL Server DBA Contractor at iPSL
Accomplishments
-
Oleh is one of the most professional freelancers I've ever worked with. I've been working with
many freelancers for decades and I can safely say that Oleh is a terrific freelancer. His capacity
to comprehend the specific demands of the other party, as well as his honesty, are two of his
greatest qualities. I am confident that he will meet and exceed expectations.
Ludo Hoffstetter
UI/UX designer
Accomplishments
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Oleh consistently delivered high-quality work as a Front-End Developer and went above and beyond
to ensure that my designs were implemented flawlessly. As a UX designer, it was important for me
to collaborate with a developer who not only had a strong understanding of technical aspects, but
also had an eye for detail and a commitment to user experience. Overall, I highly recommend Oleh
as a Front-End Developer, his technical expertise and dedication make him a valuable asset to any
project.
Valentin Sotov
Product Owner
Accomplishments
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Thank you Oleh for your invaluable help to our AMBER project. Although we have never met in real
life and worked only remotely, I really appreciate your professionalism and competence. Your
punctuality and diligence make me believe that you are a good man and a reliable partner. I am
sure that you will have a great future and I hope that you will help our company more than once.
I sincerely wish you professional growth and appreciation from future partners.
Julian Patton
Data Science Engineer
Accomplishments
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Oleh was one of the pivotal members of our startup J-Retro Designs. His front end experience was
superb and he was a very effective communicator. Oleh expresses a degree of professionalism during
our Slack channel meetings and worked very well with our other backend developers. I was honored
to collaborate with Oleh and hope to collaborate in the near future. I highly recommend him for
any project, give Oleh a list of tasks and he will accomplish each task and ask questions to make
sure the best quality work is delivered.
Randy Christie
President & CEO at NOAH Solutions
Accomplishments
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We needed to assemble a dev team on short notice and Oleh became a key component. He had a great
can do attitude that allowed us to complete a rush project on time.