Ivan Karabadzhak

Ivan Karabadzhak Email and Phone Number

Senior Data Engineer @ hireworks
Sofia, BG
Ivan Karabadzhak's Location
Sofia, Sofia City, Bulgaria, Bulgaria
Ivan Karabadzhak's Contact Details

Ivan Karabadzhak work email

Ivan Karabadzhak personal email

n/a
About Ivan Karabadzhak

SENIOR SOFTWARE ENGINEER | DATA ENGINEERWith over 10+ years of programming experience, I believe the true essence of software engineering lies in solving complex information problems. My approach goes beyond writing code; it's about understanding business processes, architecting scalable solutions, and driving innovation through technology.My strength lies in a comprehensive understanding of the entire tech stack – from low-level networking protocols to high-level application design. This holistic knowledge allows me to architect robust, efficient solutions for complex problems, bridging the gap between business needs and technical implementation.BACKGROUND & CONTINUOUS LEARNING• Bachelor of Engineering in Computer Systems and Networks• Started developing in 2006 when I was a kid• Committed to continuous learning and skill enhancement TECHNICAL EXPERTISE• Primary Languages: Python, SQL• Frameworks & Libraries: Pandas, Jupyter Notebook, Apache Airflow, PySpark, Flask, FastAPI, Django• Databases & Data Storage: BigQuery, ClickHouse, PostgreSQL, MySQL, MongoDB, SQLite• Cloud & Infrastructure: AWS, GCP, Docker, Kubernetes, Linux• DevOps & Tools: Git, CI/CD, Containerization, Microservices Architecture• Networking & Protocols: TCP/IP, HTTP, WebSockets, DNS, SSL/TLS, RESTful APIs, gRPC• Artificial Intelligence: Basic Neural Network Concepts, Machine Learning Fundamentals• Soft Skills: Team Leadership, Technical Mentoring, Project Management, Agile Methodologies• Have experience with: JavaScript, TypeScript, Node.js, PHP, Express.js, Laravel, Yii, C#, ASP.NET, Java, C++, C, Delphi, Turbo Pascal

Ivan Karabadzhak's Current Company Details
hireworks

Hireworks

View
Senior Data Engineer
Sofia, BG
Website:
hireworks.io
Employees:
13
Ivan Karabadzhak Work Experience Details
  • Hireworks
    Senior Data Engineer
    Hireworks
    Sofia, Bg
  • Equals 5
    Lead Software Engineer
    Equals 5 Jan 2024 - Present
    New York, United States
    Equals5 provides data-driven marketing solutions for pharmaceutical companies in the US, enabling precise audience targeting and optimizing advertising performance across major platforms like Facebook, LinkedIn, Reddit, etc.Key Responsibilities and Achievements:Audience Matching Systems: • Designed and implemented audience matching systems achieving match rates of over 50% and up to 100% in some campaigns, enabling clients to precisely identify healthcare professionals (HCPs) across digital platforms. • Continuously maintained and optimized these systems to ensure clients received accurate and timely performance insights.Data Management and Enrichment: • Managed and scaled the company’s data graph of over 5 million HCPs, ensuring its accuracy, completeness, and readiness for use in client campaigns. • Built advanced data enrichment pipelines that expanded the company’s ability to target HCPs, improving the quality and scope of marketing campaigns.Leadership and Collaboration: • Collaborated with C-level executives to align technical systems with business objectives, driving measurable results for clients and stakeholders. • Provided mentorship and guidance to team members, enhancing their ability to contribute to ongoing projects.Client Impact: • Supported campaign delivery systems to ensure that 100% of client reports were delivered on time and met data accuracy standards. • Contributed to partner companies’ research findings showing a 40% increase in HCP interest and a 70% improvement in awareness of rare diseases, highlighting the success of Equals5 campaigns.Process Optimization: • Led efforts to streamline cross-team collaboration and resolve critical issues, improving system reliability and reducing downtime for client-facing services.
  • Equals 5
    Data Engineer
    Equals 5 Jan 2023 - Jan 2024
    New York, United States
    • Developed tools to integrate diverse data sources and streamline campaign targeting workflows.• Managed a manual research team, improving data validation processes and achieving higher match rates for campaign identification.• Resolved critical data delivery issues, ensuring timely reporting for clients.
  • Equals 5
    Data Engineer
    Equals 5 Jun 2022 - Jan 2023
    New York, United States
    • Collaborated with C-level executives to define and execute the data strategy for building the company’s foundational data graph for more than 5 million HCP. • Laid the groundwork for scalable data workflows, enabling future automation and data enrichment processes.
  • Upwork
    Freelance Software Developer
    Upwork May 2018 - Jan 2023
    Odessa, Ukraine
    As a freelance developer, I successfully launched and delivered two SaaS projects for clients, building them from the ground up. These projects involved the full development lifecycle, from initial architecture design to deployment and ongoing optimization. Key responsibilities included: • Designing and implementing data engineering pipelines to process large-scale datasets efficiently. • Building robust web applications with integrated APIs, ensuring scalability and reliability. • Automating complex workflows and ETL processes, significantly improving operational efficiency for clients. • Leveraging technologies like Python, NodeJS, and PHP to meet diverse client needs across industries, including finance and e-commerce. These SaaS platforms successfully supported the clients’ business growth, providing scalable and user-friendly solutions for their customers.
  • Beetroot - The Home Of Great Teams
    Senior Software Engineer
    Beetroot - The Home Of Great Teams Jun 2016 - Jul 2022
    Odessa, Ukraine
    As a part-time contractor at Beetroot, I contributed to various projects, delivering complex backend solutions while also working on frontend tasks when required. Key Contributions: • Played a key role in developing a project for a Swedish art company, collaborating with the team to build the platform from the ground up. • Provided mentorship and guidance to junior developers, sharing expertise and improving team efficiency. • Assisted in project estimations, ensuring accurate planning and resource allocation. • Supported and modernized legacy systems, improving their maintainability and performance.
  • Wp Rock
    Founder & Ceo/Cto
    Wp Rock Jan 2017 - Aug 2020
    Odessa, Ukraine
    As the founder and leader of WP Rock, I built and managed a web studio focused on delivering custom software and IT solutions for clients across various industries. Collaborating with a co-founder, we grew a team of 7 skilled professionals and successfully delivered multiple projects. Key Achievements: • Team Building: Assembled and led a team of 7 developers, fostering collaboration and delivering high-quality results. • Project Delivery: Built end-to-end solutions for industries including real estate, automotive tuning, and auto parts sales, handling the full lifecycle from requirements gathering to deployment. • Technical Leadership: Designed and implemented scalable software architectures, ensuring projects met client needs and technical standards. • Business Operations: Oversaw all aspects of the business, including client acquisition, project management, and financial planning. While the company was ultimately closed, this experience provided invaluable insights into leadership, team management, and aligning technical solutions with business goals.
  • Beetroot Academy
    Teacher (Back-End Development)
    Beetroot Academy Dec 2016 - Feb 2019
    Odessa, Ukraine
    As a back-end development teacher at Beetroot Academy, I taught foundational and advanced programming concepts to aspiring developers. Conducting classes three times a week, I guided students through both theoretical knowledge and hands-on coding exercises, preparing them for careers in software development. Key Responsibilities: • Delivered structured lessons on back-end technologies, focusing on PHP, SQL, and software architecture. • Created practical coding assignments and projects to reinforce learning and encourage independent problem-solving. • Provided personalized mentorship and feedback to help students overcome challenges and build confidence in their technical skills. • Supported students in building portfolio-ready projects, ensuring their readiness for the job market. Teaching at Beetroot Academy was an enriching experience, allowing me to share knowledge while strengthening my own skills in communication and mentorship.
  • Фриланс
    Freelance Software Developer
    Фриланс Sep 2010 - Dec 2017
    Odessa, Ukraine
    As a freelance developer, I specialized in building data-intensive web applications, desktop software, and automation tools tailored to client needs. I worked across diverse technologies to deliver robust solutions for businesses in various industries. Key Responsibilities and Achievements: • E-commerce and Catalog Development: Designed and implemented scalable web applications, including product catalogs and online stores, using PHP to handle large datasets and ensure smooth user experiences. • Desktop Software Development: Developed automation tools and custom software for Windows using C#, improving operational efficiency for clients. • Cross-Platform Applications: Created desktop applications in Java, ensuring compatibility across Windows and MacOS platforms. • Data-Driven Solutions: Built systems capable of processing and managing extensive data volumes, optimizing performance and reliability. This period allowed me to hone my technical skills in full-stack development, desktop software design, and automation, while delivering tailored solutions that met diverse client requirements.
  • Private Wow Server
    Game Scripting Developer
    Private Wow Server Mar 2011 - Nov 2011
    Minsk, Belarus
    Developed behavior scripts for NPCs, including bosses, mobs, and bots, on a custom World of Warcraft server using C++ and Lua. Automated complex in-game behaviors, creating immersive and dynamic gameplay experiences. Despite being at an early stage of my career, I successfully scripted multiple locations and NPC interactions. This experience allowed me to combine my passion for gaming with practical programming skills.
  • A-Free
    Game Server Administrator
    A-Free May 2008 - Aug 2010
    Kyiv City, Ukraine
    Managed and optimized Counter-Strike 1.6 game servers, implementing anti-cheat systems, automating matchmaking, and developing custom plugins to enhance gameplay. Improved server performance and stability by optimizing network usage and ensuring minimal downtime. This role allowed me to gain hands-on experience in server management, scripting, and providing technical support for a vibrant gaming community.
  • Odessa State Academy Of Refrigeration
    System Administrator
    Odessa State Academy Of Refrigeration Mar 2010 - Jun 2010
    Odessa, Ukraine
    Managed and maintained the academy’s IT infrastructure, ensuring reliable operation of network systems and hardware for students and staff. Despite being a first-year student, I quickly adapted to the responsibilities of a professional IT role.

Ivan Karabadzhak Skills

Php Yii2 Linux Databases Kotlin Amazon Web Services Javascript Web Development Swift Wordpress Angularjs Html Jquery Git Html5 C# Java Ajax Python Telegram Bots Cascading Style Sheets Mysql Sql Laravel Docker Docker Compose Server Side Programming Back End Web Development Parsing Regular Expressions

Ivan Karabadzhak Education Details

Frequently Asked Questions about Ivan Karabadzhak

What company does Ivan Karabadzhak work for?

Ivan Karabadzhak works for Hireworks

What is Ivan Karabadzhak's role at the current company?

Ivan Karabadzhak's current role is Senior Data Engineer.

What is Ivan Karabadzhak's email address?

Ivan Karabadzhak's email address is iv****@****ls5.com

What schools did Ivan Karabadzhak attend?

Ivan Karabadzhak attended Odessa State Academy Of Refrigeration.

What skills is Ivan Karabadzhak known for?

Ivan Karabadzhak has skills like Php, Yii2, Linux, Databases, Kotlin, Amazon Web Services, Javascript, Web Development, Swift, Wordpress, Angularjs, Html.

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