Senior Full Stack - .NET & React Expert

A local Fintech company is looking for Senior Full Stack - .NET & React Expert to join the team!

Company Description

Our group is a leader in delivering advanced technological solutions, professional tools, and in-depth data-based insights. We specialize in providing services and information in the fields of capital markets. With a strong focus on innovation, precision, and reliability, we empower professionals with the tools and insights they need to succeed in a dynamic environment. 

Role Description:

This is a full-time hybrid role for a Senior Full Stack - .NET & React Expert. 

The position is based in Ramat Gan, with flexibility for partial remote work. 

The engineer will be responsible for designing, developing, and maintaining applications and backend services, while also contributing to system architecture, technical design, and modernization of existing platforms. The role includes building and optimizing backend services, implementing modern frontend interfaces, integrating with internal and external systems, troubleshooting complex application issues, and working closely with cross-functional teams to ensure seamless delivery of high-quality solutions. 

This position is suited for an experienced engineer who can take end-to-end ownership, work independently, and contribute both hands-on and strategically in a complex production environment that includes both new development and legacy systems. 

Qualifications:

• 5+ years of professional software development experience - MUST

• Strong hands-on experience with C# / .NET - MUST

• Strong development experience with React and Node.js - MUST

• Strong skills in programming and Object-Oriented Programming (OOP) 

• Proven experience designing, developing, and integrating REST APIs and backend services 

• Ability to understand, maintain, extend, and gradually modernize legacy codebases 

• Experience working on complex production systems with multiple integrations 

• Ability to design scalable, maintainable, and high-quality software solutions 

• Basic to practical knowledge of AI development, AI services, or MCP-based integrations 

• Strong communication, collaboration, and problem-solving skills 

• Educational background in Computer Science or a related field 

Advantages:

• Experience working with financial systems, capital markets, or trading platforms 

• Experience with WinForms or WPF 

• Familiarity with database management systems and cloud technologies 

• Experience working in hybrid environments that combine legacy desktop systems with modern web technologies 

Personal Qualities:

• Strong willingness to learn, grow, and stay current with new technologies 

• Team player with good collaboration skills 

• Comfortable working in complex, existing systems 

• High sense of ownership and accountability 

• Strong analytical thinking and problem-solving abilities 

• Ability to work independently while contributing effectively to the broader team 

• Let's Talk! :)