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Fullstack Developer (ZSP06)




  • Start: ASAP
  • Period: long-term
  • Seniority: senior L1 - senior L3
  • Department: Technology & Operations, Web Tech Platform Engineering Team
  • Project focus: the team is responsible for providing a solid software technology platform serving more than 100 public-facing websites. These websites serve around 4 million individual visits per month, providing comprehensive data about our investment funds on more than 100 000 so-called product pages, enable roughly thousands of updates of web content and roughly 10 000 document uploads daily, as well as provide authentication for close to a million registered users globally.
  • Team: 6 membered (3 Java Developer, 1 Frontend Developer, 1 Project Manager, 1 DevOps Engineer)
  • Remote: 50% Home, 50% Office
  • Location: Budapest, XIII.
  • Recruitment process: 1st - online Abesse screening, 2nd - online Client's tech interview, 3rd - online Management round in English, 4th - Candidate Background Check (1 month)


  • Rapidly prototyping and implementing a new Node + React SSR runtime as part of a greenfield modernization project
  • Working with the architect and the tech leads to advise and share your opinions on architectural decisions, the technology stack and best practices.
  • Testing your own code and taking full ownership – we build it, we run it, from unit tests to automated QA
  • Documenting your changes and writing developer guides
  • Proactively monitoring and continuously improving the performance on the runtime, identifying bottlenecks early in the process. We’re hosting a critical public infrastructure with strict SLAs, high traffic, strive for cutting edge user experience and must adhere to industry regulations.
  • Cooperating with project management and tech leadership when collecting requirements and stakeholder feedback
  • Mentoring and guiding junior JavaScript developers in the team and across partner teams (you will not be expected to take up line management duties)


  • Min. 7 years of experience in JavaScript or TypeScript development
  • Min. 5 years with Node
  • Min. 3 years with React
  • English: min. B2, optimally C1
  • Strict adherence to clean coding concepts and rigorous testing (we don’t mandate TDD or test first, but taking ownership of formal unit, performance, end to end and regression testing is a must)
  • Experience with SEO and analytics tools (Adobe Analytics, Google Analytics or similar), and working knowledge of SEO-friendly websites
  • Deep understanding of CDNs, caching and HTTP standards
  • Solid understanding and adherence to secure coding best practices
  • Experience with load testing, performance tuning and instrumenting tools, both on Node and in the browser


  • Working knowledge of at least one headless or hybrid headless enterprise CMS system
  • Experience with Express or Koa, and at least one of the Astro, Remix and Next.js frameworks
  • Basic understanding of K8s and experience with public cloud providers
  • Knowledge and interest in the financial services industry domain
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