Senior Full-stack Engineer Job

Date published: April 16, 2024

ID: 12506 Location: Budapest Task: Full Stack Development

Our client is a New York-based key player in the global finance industry, offering a broad range of services such as investment banking, wealth management, and investment management. Renowned for its expertise in areas like mergers and acquisitions and initial public offerings, it serves a diverse clientele including corporations, governments, and individuals worldwide. Due to the confidential nature of our agreement, further details about the client will be shared during the later stages of the recruitment process. We are seeking a Senior Full-stack Engineer with frontend focus.

About the Role

  • We are seeking a highly skilled and motivated Senior Full Stack Engineer with a strong focus on frontend technologies, particularly React, to lead the modernization of several applications from Ext JS to React. This is a unique opportunity to be at the forefront of our application modernization efforts, working directly on-site at our clients office in Budapest for three days a week, with the flexibility of remote work for the remaining days.


  • Lead the modernization of legacy applications from Ext JS to React, ensuring high performance, scalability, and responsiveness of the new applications.
  • Work closely with the clients teams, adopting an Agile methodology with a squad-based approach to deliver high-quality solutions efficiently.
  • Utilize Copilot and similar tools to facilitate the efficient migration of applications, leveraging your expertise to overcome technical challenges.
  • Collaborate with backend teams, providing insights and guidance to ensure seamless integration with Java-based services.
  • Play a pivotal role in building and leading a team of developers, providing coaching and mentorship to foster a culture of excellence and continuous learning.
  • Contribute to all phases of the development lifecycle, from design and development to deployment and maintenance, ensuring adherence to best practices and standards.
  • Ideal Candidate
  • Strong proficiency in React and a solid understanding of Ext JS, with proven experience in migrating applications to modern frameworks.
  • Comprehensive knowledge of full-stack development, with strong backend skills in Java.
  • Experience with Copilot or similar tools for code migration and modernization.
  • Demonstrated ability to lead and coach teams, with excellent communication and interpersonal skills.
  • Familiarity with Agile methodologies and experience working in squad-based teams.
  • A proactive problem-solver with a passion for technology and a commitment to delivering high-quality, user-centric solutions.


  • React3+
  • Ext JS2+
  • Full Stack Development5+
  • Java (Backend)3+
  • Cloud Technologies (Azure / AWS / GCP)2+
  • Agile Methodologies2+
  • Copilot or Similar Tools1+
  • Leadership/Team Coaching2+

Why join us?

  • Be part of a pioneering project with significant impact, leading the modernization of critical applications.
  • Opportunity to work in a hybrid model in one of the worlds leading financial institutions offices in Budapest.
  • Join a growing team of experts in a long-term assignment, offering a chance for professional growth and leadership.
  • Work in a dynamic, Agile environment that fosters innovation, collaboration, and continuous improvement.
  • 2 day home-office

Application with CV

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