Oleg Slobodianiuk

Oleg Slobodianiuk Email and Phone Number

Frontend Team Lead @ Onside.io
London, GB
Oleg Slobodianiuk's Location
Budva, Montenegro, Montenegro
About Oleg Slobodianiuk

I am a frontend developer with extensive experience, specializing in building scalable and high-performance web applications. Throughout my career, I have focused on improving code quality and accelerating development processes by utilizing technologies like TypeScript and React. My experience includes developing and maintaining UI libraries that standardized user interface creation and streamlined development across various platforms.I have worked in high-tech industries such as fintech and artificial intelligence (AI), gaining valuable insights and skills in developing innovative solutions for complex and mission-critical systems. As I progressed in my career, I took on the role of competence leader, coordinating the work of four product teams and actively contributing to the development of large-scale platforms. I utilized various state management solutions to enhance the flexibility and manageability of applications and used React Native to develop cross-platform mobile applications, improving accessibility and user interaction. My efforts have led to better user engagement and increased platform efficiency. Additionally, I focused on automating development processes, implementing CI/CD pipelines, and ensuring high code quality and security.My expertise extends beyond technical skills to include leadership, mentorship, and training. I conducted cross-team code reviews and organized internal meetups for employees, discussing the latest technologies and best practices, which fostered team growth and maintained high development standards. My goal is to continuously improve processes and implement innovative solutions that support the company’s growth.Top Skills:• Frontend Development (React, TypeScript, React Native, JavaScript, Next.js)• UI Libraries Development (Component Design, Theming, Material UI, shadcn/ui, styled-components, Tailwind CSS)• State Management (Redux, Zustand, Effector, MobX, Jotai)• Architecture Design (Feature Sliced Design, Microfrontends, Modular Architecture, Atomic Architecture)• CI/CD Automation (Jenkins, GitLab CI, GitHub Actions, Bash, ESLint, SonarQube, Checkmarx)• Cross-Platform Development (React Native, Web and Mobile Integration)• Performance Optimization (Lazy Loading, Code Splitting, Webpack Configuration, Vite)• Testing and Quality Assurance (Unit Testing, Integration Testing, TDD, Jest, React Testing Library, Vitest, Cypress, Playwright)• Leadership & Mentorship• AI & ML Integration (Data Analysis, Dashboard Development)• API Integration (REST, GraphQL, ODATA)• Agile Methodologies (Scrum, Kanban)

Oleg Slobodianiuk's Current Company Details
Onside.io

Onside.Io

View
Frontend Team Lead
London, GB
Website:
onside.io
Employees:
12
Oleg Slobodianiuk Work Experience Details
  • Onside.Io
    Frontend Team Lead
    Onside.Io
    London, Gb
  • Brask
    Senior Frontend Developer
    Brask Nov 2023 - Present
    Dover, Delaware, United States
    At Brask, I have led frontend innovation, implementing and optimizing our tech stack to deliver an agile, high-performance platform for AI-driven video content. My contributions focus on improving scalability, efficiency, and user engagement.• Tech Stack Modernization: Spearheaded the integration of React.js, Redux, Zustand, React Query, Vite, and Material UI, moving from legacy systems to a streamlined, modern frontend that enhances performance and maintainability.• Audio Visualization: Built an interactive audio track editor using the Audio API, enabling precise audio manipulation directly in the application, enhancing the platform’s user experience.• Payment System Integration: Integrated Stripe for secure, streamlined transactions, improving processing times and overall UX.• Modular Design System: Created an internal design system, standardizing components across the app for consistency and faster development.• Feature-Sliced Architecture (FSD): Introduced FSD principles, optimizing modularity and scalability, allowing for faster iteration and clearer code organization.• Automated CI/CD Pipelines: Set up CI/CD pipelines with GitHub Actions, automating testing and deployment, which reduced release cycles and improved code quality.• Cross-Browser Responsive Design: Optimized design for cross-browser and device compatibility, providing a seamless experience and meeting accessibility standards.Key Achievements:• Reduced page load time by 30% through code optimization, lazy loading, and API improvements, lowering the bounce rate by 10%.• Minimized JavaScript bundle size by 25% with code-splitting and tree-shaking, enhancing load speeds and responsiveness.• Boosted development efficiency by 20% through design system standardization and CI/CD automation.
  • Raiffeisen Bank Russia
    Senior Frontend Developer
    Raiffeisen Bank Russia Dec 2022 - Nov 2023
    Moscow, Russia
    At Raiffeisenbank Russia, I focused on developing and optimizing internal banking applications, streamlining processes and improving user experience for bank employees. By implementing modern frontend technologies, I enhanced efficiency and consistency across in-house applications.• Mortgage Processing Application Development: Led the creation of an internal mortgage processing tool using React.js, Effector, and TypeScript, improving load times by 35% and simplifying mortgage workflows for bank employees.• Design System Standardization: Contributed to Raiffeisenbank’s design system, creating reusable components and consistent visual standards across internal applications, which streamlined future development and improved usability.• Performance Optimization: Focused on optimizing application performance through effective state management and code refinement, enhancing responsiveness and reliability, tailored to the needs of internal users.• Mentorship and Team Development: Acted as a mentor for junior developers, guiding them in adopting best practices and increasing their contributions to projects by 15%, which improved team cohesion and overall productivity.• Support in Talent Acquisition: Conducted technical interviews and assessments, contributing to the hiring of skilled developers and strengthening the team’s capabilities in alignment with the bank’s objectives.Key Achievements:• Reduced load times for the mortgage processing application by 35%, streamlining workflows and improving internal user experience.• Enhanced junior developer productivity by 15% through mentorship, fostering a stronger and more collaborative team.• Improved development efficiency and UI consistency by standardizing the internal design system, which accelerated feature delivery across projects.
  • Sberbank
    Senior Frontend Developer
    Sberbank Nov 2021 - Nov 2022
    Moscow, Moscow City, Russia
    In my senior role, I led the development of analytical tools, advanced data visualizations, and CI/CD improvements, strengthening Sberbank’s HR platform through innovation and mentorship.• Competency Leadership Across Teams: Served as a competency leader for 4 development teams, leading knowledge-sharing sessions and best practice workshops, and fostering a collaborative environment focused on quality and innovation.• Employee Performance Analytics Application: Spearheaded the creation of a data-driven analytics web app for tracking employee performance, utilizing React.js, TypeScript, D3.js, and Styled-components to create dynamic and comprehensive data visualizations.• Custom Charting Library: Developed a custom charting library to support in-depth HR data visualization, delivering interactive insights for managers and improving data-driven decision-making.• Mentorship and Hiring: Mentored junior developers, enhancing their project contributions and technical expertise by 15%. Conducted technical interviews to help scale the team with highly skilled developers aligned with the company’s goals.• CI/CD Optimization: Improved the platform’s CI/CD processes, setting up automated quality checks and deployment pipelines that reduced release cycle times and increased deployment reliability.Key Achievements:• Reduced analytics application load time by 25% through performance optimizations, enhancing usability and responsiveness.• Increased junior developer contributions by 15% through structured mentorship and guidance.• Improved code quality and deployment efficiency, reducing release cycle time by 20% with advanced CI/CD practices.
  • Sberbank
    Middle Frontend Developer
    Sberbank Nov 2019 - Oct 2021
    St Petersburg, St Petersburg City, Russia
    In this role, I developed key features for the Pulse HR platform, focusing on frontend application efficiency, responsive design, and modernizing legacy applications.• Pulse HR Platform Development: Developed three core web applications within the Pulse HR platform using React.js and a microfrontend architecture, enhancing modularity and maintainability.• Mobile Application Development: Implemented the main screen of the Pulse HR mobile app using React Native, prioritizing smooth user interaction and mobile responsiveness.• Automated Code Synchronization: Built custom Jenkins pipelines to streamline code synchronization across internal and external repositories, improving development efficiency and minimizing synchronization errors.• HR Web Application with SAPUI5: Designed an HR-specific web application in SAPUI5, achieving cross-browser compatibility and responsive design to support Sberbank’s diverse user base.• Modernizing Legacy Systems: Maintained and updated legacy web applications by introducing modern JavaScript syntax (ES6), which improved code maintainability and enhanced performance.Key Achievements:• Reduced code synchronization time by 30% through the development of automated Jenkins pipelines.• Enhanced cross-team productivity by introducing and maintaining ES6 standards across legacy applications.

Oleg Slobodianiuk Education Details

  • Industrial University Of Tyumen
    Industrial University Of Tyumen
    Building Organization Management
  • Industrial University Of Tyumen
    Industrial University Of Tyumen
    Industrial And Civil Engineering

Frequently Asked Questions about Oleg Slobodianiuk

What company does Oleg Slobodianiuk work for?

Oleg Slobodianiuk works for Onside.io

What is Oleg Slobodianiuk's role at the current company?

Oleg Slobodianiuk's current role is Frontend Team Lead.

What schools did Oleg Slobodianiuk attend?

Oleg Slobodianiuk attended Industrial University Of Tyumen, Industrial University Of Tyumen.

Free Chrome Extension

Find emails, phones & company data instantly

Find verified emails from LinkedIn profiles
Get direct phone numbers & mobile contacts
Access company data & employee information
Works directly on LinkedIn - no copy/paste needed
Get Chrome Extension - Free

Aero Online

Your AI prospecting assistant

Download 750 million emails and 100 million phone numbers

Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.