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Principal / Senior Software Engineer (React.js.) – OP02041

  • JavaScript
  • Principal
  • React.js
  • Senior
  • Software Engineer

Principal / Senior Software Engineer (React.js.) – OP02041

🟢 We’re expanding our team and opening new remote opportunities! Review the role expectations, share your resume in English, and our team will follow up shortly.

We invite a talented and driven Senior Full-Stack Software Engineer with strong .NET and React.js skills to join our experienced, cross-functional Agile team. In this role, you’ll contribute to the modernization of a critical internal platform, transforming a complex legacy system into an efficient, scalable solution that offers improved performance and a better user experience.

🟩 What’s in it for you:

  • Work with a reputable S&P 500 fintech company
  • Modernize a critical platform with multiple dependencies, integrations, and complex logic
  • Join an experienced, international team using a modern tech stack (NET 6+, React.js, TypeScript, Next.js, Docker, GCP)

✅ Is that you?

  • 6+ years of experience with .NET 6+ and .NET Core development
  • 2+ years of experience with JavaScript (React.js, TypeScript)
  • Proven experience developing APIs with .NET 6
  • Strong knowledge of SQL Server and stored procedures
  • Experience writing unit tests and producing testable code
  • Solid understanding of OOP principles and related concepts
  • Experience building n-tier enterprise applications
  • Strong technical judgment in selecting and applying languages, patterns, and libraries
  • Good knowledge of Scrum methodology
  • Excellent communication and teamwork skills
  • Ownership, accountability, and proactive problem-solving
  • Upper-Intermediate English level

Desirable:

  • Experience building AI/ML-powered frontend features
  • Familiarity with video encoding, FFmpeg, or annotation tools
  • Experience building internal tools for data/ML teams
  • Knowledge of Node.js or distributed systems
  • Experience working with Azure, Redis, or containerized environments

🧩Key responsibilities and your contribution

In this role, you’ll help rewrite our legacy application to improve its performance and quality and introduce new features using a modern tech stack.

  • Develop and maintain high-quality code for new features and improvements
  • Participate in the release process to ensure smooth deployments
  • Collaborate with the team to refine the technical backlog
  • Conduct code reviews and provide constructive feedback
  • Work with the team to resolve technical challenges and implementation issues
  • Contribute ideas and suggestions to improve the overall application architecture

Our next steps:

✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Internal interview — ✅ Client interview — ✅ Offer

Interested? Find out more:

📋How we work

💻 LinkedIn Page

📈 Our website

💻IG Page

Apply: