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PHP developer
- City:
- Khmelnytskyi
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Serhii Kolodniuk
Senior PHP Backend Developer
Location: Khmelnytskyi, Ukraine | E-mail: [open contact info ](look above in the "contact info" section) | Telegram: [open contact info ](look above in the "contact info" section)
Employment Type: Full-time / Part-time / Remote
Desired Salary: $2000+/month
Professional Summary
Experienced Backend Developer with over 10 years of hands-on experience in PHP, system automation,
and third-party API integration. Adept at building scalable web applications, leading development
teams, and delivering efficient backend solutions. Passionate about clean code, performance
optimization, and rapid adaptation to new technologies.
Technical Skills
Languages: PHP (Pure), JavaScript, HTML5, CSS3, SQL
Frameworks / Libraries: Laravel, Slim, JQuery, Three.js, WebGL
Databases: MySQL, Redis
Tools & Technologies: Git, Gearman, Linux, Apache, XML, JSON, AJAX, OOP
Development Practices: API integration, system automation, debugging, asynchronous processing
Professional Experience
Innstant Connect / Noovy – Senior Backend Developer
April 2017 – June 2025 | innstantconnect.com, noovy.com
- Developed and maintained complex backend systems for tourism platforms.
- Implemented 150+ third-party APIs for hotel and travel service providers.
- Utilized Laravel, Slim, and custom PHP solutions for scalable systems.
- Leveraged Redis and Gearman for high-performance async task processing.
Freelance Projects – Lead Developer / Full Stack
May 2015 – December 2017
- Led the development of choiceconnections.net from scratch based on client vision.
- Oversaw both backend and frontend implementation.
- Utilized PHP, JavaScript, MySQL, Three.js, and various social network APIs.
Newspaper "E" – Software Engineer
January 2014 – December 2015 | ye.ua
- Rewrote legacy modules for journalists and user systems.
- Improved overall site performance and user experience.
- Worked with social media APIs and custom PHP/Javascript solutions.
TOV "CCF Howerla" – Web Developer
April 2012 – December 2013 | goverla.biz.ua
- Developed internal web systems and automated office operations.
- Designed and implemented database automation features.
1
Additional Projects
Autodata Parser Tool
Freelance, June 2017 – Developed a parser to extract technical service data into a local DB.
workshop.autodata-group.com
WebGL Personal Project
March 2017 – Created a 3D rendering portal using WebGL and Three.js.
3d.itdevs.info
Education
Khmelnitsky National University
Faculty: Computer Systems and Software
Degree: Specialist | 2008 – 2013
Languages
Ukrainian – Native
Russian – Fluent
English – Intermediate (B1)
Polish – Fluent (B2)
Professional Traits
• Strong sense of responsibility and ownership
• Quick learner, able to adapt to new technologies rapidly
• Willing to work beyond standard hours when needed
• Committed to delivering high-quality, maintainable code
2
Senior PHP Backend Developer
Location: Khmelnytskyi, Ukraine | E-mail: [
Employment Type: Full-time / Part-time / Remote
Desired Salary: $2000+/month
Professional Summary
Experienced Backend Developer with over 10 years of hands-on experience in PHP, system automation,
and third-party API integration. Adept at building scalable web applications, leading development
teams, and delivering efficient backend solutions. Passionate about clean code, performance
optimization, and rapid adaptation to new technologies.
Technical Skills
Languages: PHP (Pure), JavaScript, HTML5, CSS3, SQL
Frameworks / Libraries: Laravel, Slim, JQuery, Three.js, WebGL
Databases: MySQL, Redis
Tools & Technologies: Git, Gearman, Linux, Apache, XML, JSON, AJAX, OOP
Development Practices: API integration, system automation, debugging, asynchronous processing
Professional Experience
Innstant Connect / Noovy – Senior Backend Developer
April 2017 – June 2025 | innstantconnect.com, noovy.com
- Developed and maintained complex backend systems for tourism platforms.
- Implemented 150+ third-party APIs for hotel and travel service providers.
- Utilized Laravel, Slim, and custom PHP solutions for scalable systems.
- Leveraged Redis and Gearman for high-performance async task processing.
Freelance Projects – Lead Developer / Full Stack
May 2015 – December 2017
- Led the development of choiceconnections.net from scratch based on client vision.
- Oversaw both backend and frontend implementation.
- Utilized PHP, JavaScript, MySQL, Three.js, and various social network APIs.
Newspaper "E" – Software Engineer
January 2014 – December 2015 | ye.ua
- Rewrote legacy modules for journalists and user systems.
- Improved overall site performance and user experience.
- Worked with social media APIs and custom PHP/Javascript solutions.
TOV "CCF Howerla" – Web Developer
April 2012 – December 2013 | goverla.biz.ua
- Developed internal web systems and automated office operations.
- Designed and implemented database automation features.
1
Additional Projects
Autodata Parser Tool
Freelance, June 2017 – Developed a parser to extract technical service data into a local DB.
workshop.autodata-group.com
WebGL Personal Project
March 2017 – Created a 3D rendering portal using WebGL and Three.js.
3d.itdevs.info
Education
Khmelnitsky National University
Faculty: Computer Systems and Software
Degree: Specialist | 2008 – 2013
Languages
Ukrainian – Native
Russian – Fluent
English – Intermediate (B1)
Polish – Fluent (B2)
Professional Traits
• Strong sense of responsibility and ownership
• Quick learner, able to adapt to new technologies rapidly
• Willing to work beyond standard hours when needed
• Committed to delivering high-quality, maintainable code
2
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The candidate's resume is posted at https://www.work.ua/resumes/14240416/