Senior Full-Stack Developer (.NET/React)

Primary Responsibilities:

Design, build, test, and document solutions across frontend, backend, and database layers

Develop new functionality using TypeScript, React, C#, SQL, and .NET

Modernize legacy functionality and improve the maintainability of existing solutions

Design and document internal and public APIs

Write unit and integration tests and contribute to a high standard of code quality

Follow engineering best practices around code review, version control, CI/CD , and secure development

Take ownership of changes from refinement through deployment and production support

Work closely with product managers, QA engineers, and other developers in a distributed team

Investigate issues, analyze logs and telemetry, and deliver safe, reliable fixes

Contribute to automation across build, test, release, and deployment processes

Share knowledge and help improve team development practices

Requirements:

5+ years of commercial software development experience

Strong hands-on experience with C# and modern .NET / ASP.NET Core

Strong experience with TypeScript and React or another modern JavaScript framework

Good knowledge of HTML, CSS, SQL , and MS SQL Server

Experience building and supporting production web applications end-to-end

Experience with API design, implementation, and troubleshooting

Experience writing and maintaining unit and integration tests

Understanding of CI/CD pipelines, code review practices, and automated quality controls

Experience working with both legacy systems and modern service-based architectures

Understanding of web security fundamentals and secure coding practices

Practical experience with AI-assisted development tools such as GitHub Copilot, Cursor, JetBrains AI, Claude , or similar tools, or strong readiness to adopt them quickly

Ability to critically evaluate AI-generated output and maintain ownership of technical decisions and delivered code

Good communication skills and Intermediate+ English

Nice to have:

Experience with AWS cloud services

Experience with Docker, Kubernetes, or serverless architectures

Experience with microservices and distributed systems

Experience with NoSQL databases

Experience in fintech, banking, payments , or other regulated domains

Familiarity with AI-assisted development tools such as GitHub Copilot, Cursor, JetBrains AI, Claude , or similar tools

Readiness to learn and adopt AI tools in development workflows

Experience improving developer productivity through automation, internal tooling, or AI-assisted workflows

Experience mentoring engineers and contributing to engineering standards

Experience working in Agile / Scrum teams

Our benefits:

Flexible working hours

Experienced development teams

Long-term employment

Competitive salary

Paid vacation and days off on national holidays

Paid sick leave and internal medical insurance policy

Mental health coverage

Compensation for training and additional education

Community of practice, regular knowledge sharing among colleagues

Provision of computer equipment is needed

Internet compensation (50$ per month)

And other benefits, described in detail in the Staff Handbook