Freelance Nestjs Developer Jobs (NOW HIRING)

N-iX is looking for Senior .NET Full Stack Software Engineer with React/Next.JS

The ideal candidate will be proficient in C#, .NET Framework, and/or .NET Core, with strong knowledge of TypeScript and React/Next.js.

Cleverbridge is a platform that provides global e-commerce and subscription billing solutions, helping companies build long-term customer relationships and grow revenue streams. With its flexible, cloud-based billing and monetization platform, Cleverbridge integrates seamlessly with client systems, simplifies subscription business models, and delivers an optimized online customer experience. The project team is driving the migration to the new Checkout, moving from legacy checkout capabilities toward a more scalable cloud-based architecture on AWS, with modern APIs, BFF patterns, and ongoing migration of legacy .NET components.

• Translate business logic into code.
• Design, build, and maintain performant, efficient, reusable, and reliable code.
• Review and develop requirements.
• Adhere to PCI DSS standards (four-eyes principle), participate in QA, and conduct code reviews.
• Write unit and integration tests.
• Perform problem-solving, root cause analysis.
• Communicate with internal product owners and stakeholders.

• Minimum 5 years of software development experience.
• Proficient in C#, .NET Framework, and/or .NET Core.
• Strong knowledge of TypeScript.
• Experience with Next.js, or React.
• Bonus: familiarity with JSON Schema specification, Terraform, and REST API design.
• Extensive proficiency with SQL, non-relational and relational database systems; Oracle knowledge is beneficial.
• Experience contributing to large-scale cloud infrastructures, preferably on AWS.
• Experience with serverless/event-driven architectures.
• Strong understanding of design and architectural patterns.
• Proficiency with general team tools: JIRA, Git, Jenkins.
• Solid experience with unit testing frameworks.
• Experience with Docker and CI/CD pipelines.
• Experience with Kubernetes is a plus.
• Nice to have: experience with AI-assisted coding (e.g., GitHub Copilot).
• Strong communication and problem-solving skills.
• Confident English for daily communication.

• NestJS (Node.js, Postgres, Jest)
• Knowledge in any of the following domains: e-commerce, payments, finance, or subscription management.

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers