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Roman Sydorchuk

Senior programmer

Roman Sydorchuk
Konopiska, Poland

Experience

Dec 2023 - Present
2 years 3 months
Konopiska, Poland

Senior programmer

Cyber Studio Software House

  • Implementing projects (websites, mobile applications, APIs) for various industries: fintech, travel, education, transport and logistics, manufacturing, e-commerce, and automotive
Jan 2022 - Dec 2022
1 year

Senior programmer

Lepsze Media

  • Securing a VPS on Ubuntu 18.04 with Let's Encrypt, Nginx, PHP, and MySQL
  • Building APIs (PHP backend, Golang, WebSockets) for the Quiz mobile app and the admin panel (backend and frontend)
Jan 2020 - Dec 2023
4 years

Senior programmer

Provema

  • Designing and developing the mobile app architecture, database structure, and microservice APIs
  • Developing and improving an in-house payment system
  • Integrating with various services, APIs, payment systems, and banks
  • Creating a legal service platform for managing cases and submissions
  • Building a vouchers and services platform for companies and individuals, including an admin management system
  • Analyzing technical issues in projects and providing improvement steps
  • Installing and configuring services on Linux servers
  • Conducting technical interviews with new specialists
  • Mentoring junior and middle developers, code reviews, and bug fixing
  • Systematic and creative collaboration within project teams.
Jan 2019 - Jan 2020
1 year 1 month

Mid-level programmer

Provema

  • Maintaining and developing an in-house lending system
  • Creating a monitoring service for websites and web services
  • Developing an admin panel for a mobile loan management app
  • Installing and managing Redash service, creating analytical charts for the lending system
Jan 2017 - Dec 2019
3 years

Freelance programmer

Freelance

  • Creating websites, admin panels, and CMS

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (7 years), Banking and Finance (3 years), Automotive (2 years), Education (2 years), Transportation (2 years), and Manufacturing (2 years).

Information Technology
Banking and Finance
Automotive
Education
Transportation
Manufacturing

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (9 years), Product Development (9 years), Operations (1 year), and Business Intelligence (1 year).

Information Technology
Product Development
Operations
Business Intelligence

Summary

I am pleased to apply for the PHP Programmer position at your company. Your offer is particularly interesting to me because it gives me the opportunity to expand my knowledge and skills and continue growing as a programmer.

Skills

Soft Skills

  • Ability To Act Effectively.
  • Reliability At Work.
  • Ability To Quickly Master New Products And Technologies.
  • Teamwork Skills.
  • Creativity.
  • Stress Resilience, Sociability, And A Non-confrontational Attitude.
  • Willingness To Work And Earn Money.

Technical Skills

  • I Work With Php, Go, Javascript, Vue.js, Flutter & Dart, Mysql, Postgres, Rabbitmq, Redis, Apache Kafka, C#, And Docker.
  • Writing Websites, Api Services, Admin Panels, And Cms.
  • Laravel Framework (Php), Symfony, Zend Framework, Gin (Go), Websocket.
  • Configuring Linux Servers, Docker, Rabbitmq, And Git.
  • Developing Software Solutions (Php + Mysql/postgres + Vue.js, Go + Postgres + Websocket).
  • Writing Desktop Applications In C#.
  • Updating Existing Solutions, Applying Fixes, And Refactoring Code.
  • Integrating With Banking Apis: Mbank, Santander, Bnp Paribas, Dotpay, Paypal, Bluemedia, Dipocket, Paysafecash, Dpay, And Paymenterio.
  • Integrating With Apis Of Various Loan/credit Services.
  • Optimizing And Normalizing Databases.
  • Applying Design Patterns And Solid Principles, Writing Tests (Unit, Module, And Integration).
  • Integrating With Google, Firebase, Apple, And Facebook Apis.

Languages

Ukrainian
Intermediate
Polish
Elementary

Education

Sep 2006 - Jun 2011

National University of Water Management and Nature Resources Use

Bachelor's degree in Thermal Power Engineering · Thermal Power Engineering · Rivne, Ukraine

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Roman based?

Roman is based in Konopiska, Poland and can operate in on-site, hybrid, and remote work models.

What languages does Roman speak?

Roman speaks the following languages: Ukrainian (Intermediate), Polish (Elementary).

How many years of experience does Roman have?

Roman has at least 9 years of experience. During this time, Roman has worked in at least 3 different roles and for 4 different companies. The average length of individual experience is 2 years and 10 months. Note that Roman may not have shared all experience and actually has more experience.

What roles would Roman be best suited for?

Based on recent experience, Roman would be well-suited for roles such as: Senior programmer, Mid-level programmer, Freelance programmer.

What is Roman's latest experience?

Roman's most recent position is Senior programmer at Cyber Studio Software House.

What companies has Roman worked for in recent years?

In recent years, Roman has worked for Cyber Studio Software House, Lepsze Media, and Provema.

Which industries is Roman most experienced in?

Roman is most experienced in industries like Information Technology (IT), Banking and Finance, and Automotive. Roman also has some experience in Education, Transportation and Logistics, and Manufacturing.

Which business areas is Roman most experienced in?

Roman is most experienced in business areas like Information Technology (IT), Product Development, and Business Intelligence. Roman also has some experience in Operations.

Which industries has Roman worked in recently?

Roman has recently worked in industries like Information Technology (IT), Automotive, and Education.

Which business areas has Roman worked in recently?

Roman has recently worked in business areas like Information Technology (IT), Product Development, and Operations.

What is Roman's education?

Roman holds a Bachelor in Thermal Power Engineering from National University of Water Management and Nature Resources Use.

What is the availability of Roman?

Roman is immediately available full-time for suitable projects.

What is the rate of Roman?

Roman's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Roman?

To hire Roman, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Market avg: 690-850 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.