Senior Frontend / Full-Stack Software Engineer

Finonex is a well established and stable trading platform company, developing advanced, high performance technology for users worldwide.

As a Senior Frontend leaning Full-Stack Engineer, you will be a key technical contributor to our R&D team, working on user facing platforms and helping shape frontend architecture and development standards.

You will be joining a collaborative team working on a strategic product area that is approaching its first major delivery. This is just the beginning. New capabilities, improvements, and iterations will continue to evolve, and your technical decisions will have a lasting impact on the product.

If you are passionate about building high quality user interfaces, end to end ownership, and making real product impact, this role is for you.

In this role you will:

• Take end to end ownership of frontend features, from design to production

• Build and maintain complex, forms heavy user flows using React and Next.js

• Collaborate closely with backend engineers working with Node.js

• Read and integrate with existing C# systems as part of ongoing evolution

• Drive code quality, structure, and documentation

• Work hands on in the codebase and actively participate in technical decisions

You have:

• 6+ years of professional software development experience

• Strong experience with React and Next.js

• Solid TypeScript knowledge and clean coding practices

• Backend experience with Node.js

• Ability to read and understand C# (.NET) code

• Experience working in larger, production grade codebases

• Strong communication skills and an ownership mindset

• Comfortable working onsite and independently driving work forward

Will be nice that you have:

• Experience with monorepos

• Hands on experience with Playwright or other E2E testing frameworks

• Experience working on or migrating legacy systems

• Familiarity with Next.js App Router