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Senior Software Engineer (React)

Zartis
Remote
Full Time
Posted December 11, 2025
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Job Description

A Senior Software Engineer specializing in React and front-end technologies, responsible for developing secure, maintainable, and high-quality web applications in a collaborative, remote environment, primarily serving clients in the banking sector.

Key Responsibilities

  • Collaborate with business users, vendors, and stakeholders to develop solutions addressing business problems.
  • Design and develop robust, secure, and maintainable technical solutions following best practices.
  • Coordinate with testing teams to ensure solutions are fully tested, including creating and executing automated test scripts.
  • Support production systems by resolving issues within SLA, providing updates, and maintaining system documentation.
  • Communicate regularly with the team regarding project progress, issues, and risks.
  • Contribute to the team by staying updated on recent technology trends.
  • Contribute to overall department goals and objectives.

Requirements

  • 5 years experience using client-side JavaScript-based technology with experience using React.
  • Skilled in JavaScript, jQuery, HTML, Bootstrap framework, and CSS.
  • Experience with TypeScript, and its utility types.
  • Experience with SASS, BEM, and SMACSS.
  • Strong working knowledge of front-end technologies such as HTML, CSS, and JavaScript.
  • Experience with modern browser technologies and JSON over REST-based data exchange.
  • Experience designing secure web applications, with specific experience in charting in JavaScript.
  • Experience ensuring cross-browser compatibility.
  • Experience building and debugging complex systems in a team environment.
  • Expertise in building complex layouts with CSS and HTML and modern front-end tooling.
  • Experience investigating and improving front-end performance.
  • Experience with IDEs and Git-based source control tools.
  • Experience working within a recognized software development lifecycle Agile.
  • Experience with server-side technologies such as Java is highly desirable.
  • Experience with NPM is highly desirable.
  • Experience developing single-page applications is highly desirable.
  • Experience in React Native is highly desirable.
  • Experience building applications with accessibility features is desirable.
  • Experience with Thymeleaf is desirable.
  • Demonstrated experience in developing software according to technical designs (nice to have).
  • Experience with AngularJS and Angular 2 frameworks (nice to have).
  • Strong troubleshooting and problem-solving skills.
  • Excellent communication skills, both written and verbal.
  • Excellent interpersonal skills with the ability to work well in cross-functional project teams.
  • Ability to work under pressure, prioritize workloads, and achieve critical deadlines.

Benefits & Perks

100 Remote Work
WFH allowance Monthly payment as financial support for remote working
Career Growth program with 360º feedback
Tech training during work hours with access to online courses, books, conferences, and events
Mentoring Program for both mentors and mentees
Zartis Wellbeing Hub Kara Connect with sessions with mental health professionals, nutritionists, physiotherapists, fitness coaches, and webinars
Multicultural working environment with online team-building activities

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