Senior Web Front-End Developer (with PHP Background) to $4000

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A leading FinTech company specializing in secure online payment gateway solutions and financial transaction processing, is looking for an experienced Senior Web Front-End Developer with a strong PHP background to join our development team.
 

The company provides advanced payment processing infrastructure for thousands of businesses, enabling secure, scalable, and high-availability online payment services. Our systems operate in a high-volume transaction environment and adhere to strict security and compliance standards required for financial platforms.
 

In this role, you will lead the development of modern web interfaces that support our payment management platforms, merchant portals, and internal financial systems. You will work closely with backend developers, product managers, and UX designers to build secure, performant, and scalable web applications that integrate with complex payment APIs and financial services.
 

The ideal candidate combines deep expertise in modern front-end technologies with solid experience working with PHP-based backend environments, RESTful APIs, and distributed systems. Experience working in FinTech, payment processing platforms, or PCI-compliant environments is a strong advantage.

 

Key Responsibilities

  • Design and develop high-performance, scalable web applications for financial and payment platforms.
  • Implement modern front-end architectures using frameworks such as React, Vue.js, or Angular.
  • Integrate front-end components with RESTful APIs and backend microservices.
  • Collaborate with backend engineers working in PHP-based systems to ensure seamless integration.
  • Build responsive and user-friendly interfaces for merchant dashboards, payment management portals, and financial tools.
  • Optimize applications for performance, scalability, and cross-browser compatibility.
  • Ensure applications follow security best practices required in financial systems.
  • Participate in architecture discussions and technical design decisions.
  • Conduct code reviews and ensure adherence to coding standards and best practices.
  • Troubleshoot and resolve frontend performance and integration issues.
  • Mentor junior developers and contribute to the technical growth of the team.

 

Required Qualifications

  • 5+ years of experience in professional web front-end development.
  • Strong expertise in:
    • HTML5
    • CSS3 / SCSS
    • JavaScript (ES6+)
  • Experience with modern front-end frameworks such as:
    • React
    • Vue.js
    • Angular
  • Strong experience integrating with REST APIs.
  • Solid understanding of PHP backend environments.
  • Experience working with Git-based version control systems.
  • Knowledge of responsive design and mobile-first development.
  • Experience with debugging tools and performance optimization techniques.
  • Understanding of web security concepts, including:
    • XSS
    • CSRF
    • Authentication and session management.

 

Preferred Qualifications

  • Experience with TypeScript.
  • Familiarity with modern frontend build tools such as Webpack, Vite, or npm-based workflows.
  • Experience with PHP frameworks such as Laravel or Symfony.
  • Familiarity with microservices architecture.
  • Experience with CI/CD pipelines and automated deployments.
  • Familiarity with financial systems, payment gateways, or transaction processing platforms.
  • Understanding of PCI-DSS compliance requirements for payment systems.

 

Soft Skills

  • Strong problem-solving and analytical thinking.
  • Ability to work effectively in a fast-paced agile environment.
  • Excellent communication and collaboration skills.
  • Ability to lead technical discussions and mentor team members.
  • High level of ownership and accountability for delivered solutions.

Required skills experience

Front end 5 years
HTML5 5 years
PHP 5 years
SASS / SCSS 5 years
Vue.js 5 years
Angular 5 years
TypeScript 5 years
CI/CD Pipelines 4.5 years
Webpack 4.5 years

Required languages

English B2 - Upper Intermediate
Ukrainian B2 - Upper Intermediate
Published 10 March
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7 applications
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