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  1. Freelancers

Vladislav Bozhenko

Offer Vladislav work on your next project.

Ukraine Kyiv, Ukraine
25 days 15 hours back
Available for hire available for hire
5 Safes completed
1 month 25 days back
4 clients
age 23 years
on the service 1 year
Freelancer Vladislav B. — Ukraine, Kyiv. Core skill — C & C++, C#

Rating

Successful projects
100%
Average rating
9.92 out of 10
Rating
667
C & C++
39 place out of 1375
C#
75 place out of 1197
2 projects
Software & Server Configuration
1 project
Python
1 project
PHP
1 project
Data Parsing

Language proficiency level

Українська Українська: fluent
Русский Русский: advanced
English English: upper-intermediate
Polski Polski: upper-intermediate

CV

Looking for an experienced developer with a wide range of technical skills? You've come to the right place!

I am a full-time programmer with a deep understanding of modern technologies and development approaches. I have many years of experience in creating desktop, web, mobile, embedded systems and automation solutions. I work with both small scripts and complex high-load systems.


Core technologies

  • Programming languages: C, C++, C#, Java, JavaScript, TypeScript, PHP, Python, Lua, Ruby;
  • Frameworks and libraries: React, Next.js, Node.js, Electron, Vue;
  • Databases: MySQL, PostgreSQL, SQLite, MongoDB, Redis;
  • Network technologies: WebSocket, HTTPX, Requests, BeautifulSoup, BREST API, GraphQL, OAuth2, JWT;
  • Parsing and automation: Selenium, Playwright, Scrapy, Appium;
  • Mobile development: React Native, Flutter, Kotlin, Swift;
  • Game development: Unity, Unreal Engine, GMS, Godot, Renpy, RPGMaker;
  • DevOps and system administration: Docker, Kubernetes, CI/CD, Nginx, Apache;
  • Operating systems: Linux, Unix, Windows;
  • Other: localization, documentation


💻 Software development

I work on applications of any complexity - from MVP to a finished product with support and scaling. I perform a full development cycle: analysis, architecture, implementation, testing, deployment.

🌐 Web development

I create modern web applications with backend. Adaptive layout, API integration, SEO optimization.

🖥️ Desktop applications

Development of cross-platform applications. Work with local databases, integration with hardware, network interfaces.

📱 Mobile development

Cross-platform mobile applications and native development for Android/iOS.

🤖 Automation, bots, parsing

I automate repetitive tasks, create bots and data collection systems. I work with browser automation, mobile testing and API.

🗄️ Data work

Design, optimization and integration of databases. Creation of analytical scripts, conversion, processing and visualization of data.

🔧 DevOps and administration

I configure development environments, deployment, CI/CD pipelines, monitoring. Experience in administering Linux/Windows servers, networks, security.

🌍 Localization and documentation

Localization of interfaces / Creation of technical documentation.


I will be happy to implement your project quickly, efficiently and with engineering accuracy. Contact me - and let's do something cool together!

Skills and abilities

Programming

Services

Mobile development


Administration

Translation

Writing

Portfolio


  • Game, Mod, Module & Plugin Development

    Gaming Apps
    Game, Mod, Module & Plugin Development — example of freelancer's portfolio work in category Gaming Apps
    I provide services for developing games, as well as creating mods, modules, and plugins that extend the functionality of existing projects, enhance user experience, and unlock new gameplay possibilities. This includes:

    ● Development of games of various genres and complexity — from simple 2D projects to more advanced 3D solutions with well-designed mechanics and architecture;

    … ● Creation of modifications (mods) for popular games, adding new content, altering gameplay, or expanding the capabilities of the original game;

    ● Development of modules and plugins for game engines and platforms, enabling new features, mechanics, and integrations;

    ● Implementation of in-game systems such as economy, inventory, achievements, multiplayer, and other gameplay mechanics;

    ● Integration with APIs and third-party services (analytics, authentication, cloud saves, payment systems);

    ● Performance optimization for games and mods to ensure stable operation across different devices;

    ● Ensuring compatibility with various game versions, platforms, and operating systems;

    ● Analysis of project requirements and development of custom solutions — from concept to release;

    ● Testing, debugging, and ongoing support, including bug fixes and feature updates;

    ● Preparation for release and ongoing support on relevant platforms.

    My goal is to create engaging, functional, and stable gaming solutions and extensions that help bring your ideas to life and attract users.

  • Website and Backend Development

    Web Programming
    Website and Backend Development — example of freelancer's portfolio work in category Web Programming
    I provide services for building modern, reliable, and scalable websites and backend systems that ensure stable performance, user convenience, and efficient data processing. This includes:

    ● Development of websites of any complexity — from landing pages and corporate websites to complex web applications with dynamic content, interactive interfaces, and responsive design;

    … ● Creation of backend systems responsible for business logic, request handling, database operations, and integration with external services via APIs;

    ● Development and integration of RESTful and GraphQL APIs for communication between frontend applications, mobile apps, and third-party services;

    ● Design and optimization of databases (SQL / NoSQL), ensuring fast processing of large data volumes and reliable data storage;

    ● Integration of third-party services and payment systems such as Stripe, PayPal, CRM systems, analytics tools, and other business solutions;

    ● Ensuring web application security: protection against common vulnerabilities (SQL injection, XSS, CSRF), implementation of authentication and authorization, and data encryption;

    ● Performance and load speed optimization, including caching, CDN usage, resource minimization, and backend logic optimization;

    ● Server environment setup, deployment, and project maintenance (CI/CD, Docker, cloud platforms), ensuring stability and scalability;

    ● Business requirements analysis and development of custom solutions — from architecture design to full product launch;

    ● Ongoing technical support and project development: updates, scaling, and adding new features.

    My goal is to deliver web solutions that are not only modern in appearance but also fast, secure, and reliable, helping you grow your business and automate key processes effectively.

  • Development of custom plugins and extensions for browsers

    Web Programming
    Development of custom plugins and extensions for browsers — example of freelancer's portfolio work in category Web Programming
    I provide services for creating functional and scalable plugins and extensions to improve user interaction, automate business processes, and expand the capabilities of your web solutions. This includes:

    ● Developing browser extensions (Chrome, Firefox, Edge) that allow automating interactions with websites, integrating external services, implementing additional user interface features, or working with APIs directly from the browser;

    … ● Creating plugins for CMS, including WordPress, which can perform various functions — from SEO optimization to automatic content publishing, analytics collection, or connecting external services via API;

    ● Developing integrations with messengers such as Telegram, Facebook Messenger, or Slack, including creating plugins or bots to improve communication with clients. For example, the Facebook Chat Plugin allows website visitors to communicate with you without needing to go to Messenger;

    ● Publishing and maintaining plugins on platforms (e.g., WordPress.org, Chrome Web Store), which includes complying with technical requirements, preparing documentation, updates, and user support;

    ● Analyzing business needs and developing custom solutions that fully match the specifics of your product or service — from prototypes to stable releases;

    ● Ensuring security, compatibility, and scalability of extensions and plugins so they can easily integrate into existing infrastructure and withstand increasing loads.

    My goal is to help you expand the functionality of your digital solutions with plugins and extensions that not only enhance user convenience but also automate routine processes, reducing time and resource costs.

  • Automated testing and quality assurance

    Testing & QA
    Automated testing and quality assurance — example of freelancer's portfolio work in category Testing & QA
    I provide testing system development services that cover the entire software development cycle — from unit testing to comprehensive end-to-end testing. This includes:

    ● Developing unit tests to verify individual functions and modules using frameworks such as Jest, Mocha, or PyTest, which allows detecting errors early in the coding stage;

    … ● Building integration tests to verify interaction between modules and services, ensuring the stability of internal system connections under conditions close to real usage;

    ● Implementing e2e testing using tools like Selenium or TestNG to emulate user actions and verify the operation of the entire system from start to finish;

    ● Integrating tests into CI/CD pipelines, enabling automatic testing on each commit, pull request, or deployment, ensuring quick defect detection and preventing them from reaching production;

    ● Using innovative solutions like Keploy to generate tests based on real traffic without manual intervention — this increases coverage and test accuracy, as well as speeds up test case creation;

    ● Conducting code coverage analysis, optimizing test scenarios, and auditing existing testing infrastructure to improve it.

    My goal is to ensure high quality of your product, minimize bugs in production, and accelerate release processes through a reliable and automated testing system.

  • Implementation of a secure authentication and authorization

    Web Programming
    Implementation of a secure authentication and authorization — example of freelancer's portfolio work in category Web Programming
    I provide services for the development and implementation of secure authentication and authorization solutions for web and mobile applications. This includes:

    ● Deployment of authentication systems based on OAuth 2.0 and JWT (JSON Web Token), ensuring secure user identity verification and access restrictions based on roles;

    … ● Configuration of controlled access to APIs and internal resources, including creating roles, access policies, and permission checks before each user action;

    ● Implementation of best security practices, including restricting acceptable algorithms for signing tokens, mandatory validation of their validity before use, handling tokens exclusively through HTTP-only cookies to prevent theft via XSS;

    ● Use of tools for vulnerability detection and mitigation, such as solutions from Conviso AppSec, enabling comprehensive security audits, penetration testing, and threat elimination;

    ● Conducting security audits of applications to identify potential issues early in development, helping to avoid costs associated with fixing problems after deployment;

    ● Consulting on the implementation of multi-factor authentication (MFA), session management, and monitoring of suspicious user activities.

    My goal is to create an attack-resistant system and ensure maximum protection for your users and data without compromising usability.

  • Information processing / Automated information processing

    Data Processing
    Information processing / Automated information processing — example of freelancer's portfolio work in category Data Processing
    I provide services in automated information processing aimed at optimizing and improving the efficiency of your business processes. This includes:

    ● Development and implementation of automated data processing systems that ensure quick and accurate execution of routine tasks such as data collection, analysis, and storage;

    … ● Creation of algorithms and software solutions for processing large volumes of data (Big Data), enabling the extraction of useful insights and making informed decisions based on data analysis;

    ● Integration of automated information processing systems with existing software products and infrastructure to ensure seamless operation and reduce manual processing time;

    ● Development of tools for data visualization and report creation, which help identify trends, anomalies, and key performance indicators;

    ● Providing consultations and support on automation of information processing, including selecting optimal technologies, configuring systems, and ensuring their security.

    My goal is to help you implement automated solutions that meet your needs and contribute to increasing productivity, accuracy, and speed in task execution within your business.

  • Professional parsing: collection, analysis, and transformation

    Data Parsing
    Professional parsing: collection, analysis, and transformation — example of freelancer's portfolio work in category Data Parsing
    We offer data collection services from websites, databases, social networks, and other online resources. This includes:

    ● Setting up systems for automatic monitoring of web resources for changes, news, prices, and other parameters;

    … ● Conducting analytics, filtering, sorting, structuring, and aggregating information to obtain valuable insights;

    ● Creating visual reports, charts, and diagrams for easy understanding of results;

    ● Developing and configuring custom parsers for your needs;

    ● Integrating data into existing information systems for convenient access and use;

    ● Providing consultations on data parsing issues and optimal use of tools;

    ● Ensuring data security and quality control to guarantee reliability and protection of information from unwanted interference.

  • Development of automation and bots for social networks, etc.

    Bot Development
    Development of automation and bots for social networks, etc. — example of freelancer's portfolio work in category Bot Development
    I offer services for creating custom bots to automate your presence on social networks and other online platforms. This includes:

    ● Developing personalized bots capable of performing various tasks, such as publishing content, responding to comments and messages, as well as monitoring activity;

    … ● Configuring bots for regular content updates, communicating with your followers and clients, and monitoring topics and events of interest to you;

    ● Providing analytics and reporting on the bots' activities, including interaction statistics, publication effectiveness, and other metrics;

    ● Integrating bots into your existing content management system and other information systems for maximum efficiency and ease of use;

    ● Providing consultations on the use of bots, optimizing their operation, and ensuring data security;

    My goal is to help you save time and enhance your influence on social networks through automation of routine tasks and increasing the effectiveness of audience engagement.

  • System/application programming for various tasks

    Desktop Apps
    System/application programming for various tasks — example of freelancer's portfolio work in category Desktop Apps
    I provide services for creating custom software solutions to address your tasks in the field of system and application programming. This includes:

    ● Development of personalized software products capable of solving various tasks, ranging from process automation to optimizing the operation of your infrastructure;

    … ● Configuration of software solutions for performing routine tasks, including data processing, interaction with external systems, and parameter monitoring;

    ● Providing analytics and reporting on the results of software solutions, including performance metrics, resource utilization efficiency, and other key indicators;

    ● Integration of software products into your existing infrastructure and information systems to ensure coordinated and efficient operation of the entire system;

    ● Providing consultations on the use of software solutions, their optimization, and security assurance.

    My goal is to help you create software that meets your requirements and needs, providing an effective and reliable solution for your business or project.

Reviews and compliments on completed projects 5

28 April 46 USD
Chrome extension for sending messages in Facebook Messenger

Quality
Professionalism
Cost
Contactability
Deadlines

The work was completed earlier than the agreed deadline, which was a pleasant surprise. I am very satisfied with the professionalism of the freelancer and the quality of the result. It is clear that this is a great specialist in their field. I sincerely recommend and will gladly reach out again!

Yury Shmidt | Personal | Response review

5 April 21 USD
It is necessary to set up access in 1C UNF and 1C 8 for employees with restricted rights.

Quality
Professionalism
Cost
Contactability
Deadlines

Vladislav quickly connected to the project, quickly completed the first agreed part, but there were some problems with the second. Currently in the process of resolution.

Sergiy Rozgon | Safe Safe | Response review

29 March 32 USD
Refine the already existing browser extension.

Quality
Professionalism
Cost
Contactability
Deadlines

The work was done impeccably: the code is clean, optimized, and delivered even before the established deadline. The performer demonstrated a high level of expertise, offering several valuable technical improvements. Communication was extremely prompt, and the final result fully meets the specifications. I recommend them as a reliable professional and will definitely reach out again!

Yury Shmidt | Personal | Response review

24 March 18 USD
Data parsing from a real estate website

Quality
Professionalism
Cost
Contactability
Deadlines

everything is ok.......................

Alex Derjav | Safe Safe | Response review

17 March 25 USD
Setting up RDP for 1C user (again)

Quality
Professionalism
Cost
Contactability
Deadlines

Clearly and promptly resolved the issue, now I will send him new tasks regarding the server.

Behruz Niyazov | Safe Safe | Response review

Activity

  Latest proposals 10
Parsing Google, Google Maps
22 USD
Working with tables
300 USD
A massage salon needs a bot in Telegram.
22 USD
Telegram Parsing -> translation -> posting
16 USD
Software Development
16 USD
Restarting the bot in Telegram
16 USD
AI agent with integration into Telegram (stage 1, non-standard logic)
67 USD
Set up Flow in Power Automate for contract generation
29 USD
Project on PHP JS SQL Necessary adjustments
16 USD
Crop and save data from the photo
71 USD