Senior .NET Engineer – Payments Backend (Remote)

FullStack; Rosario; Remote; ARS 138,564,000 - 230,940,000; Full time

Benefits offered by this job

100% remote work

Job summary

FullStack is seeking a Senior .NET Engineer - Payments for a 6-month engagement. You will join a client team, delivering reliable backend services in .NET/C# for payment workflows. Strong emphasis on concurrency, idempotency, and distributed systems with a bias toward production-grade reliability in a remote setup.

Advanced English, a four-year degree, and 5+ years of experience are required. Azure experience is a plus; familiarity with Generative AI tools is beneficial.

Qualifications

• 4-year college degree required.
• 5+ years of professional software development experience.
• Backend systems with .NET/C# in production.
• Experience with payment flows or financial ledgers is highly desirable.

Responsibilities

• Integrate into client teams and collaborate daily with designers and engineers.
• Develop and maintain robust backend services using .NET/C# for payments.
• Ensure reliability, scalability, and correctness in distributed systems.
• Champion CI/CD practices and code quality across teams.

Skills

5+ years of experience

Advanced English

Agile/Scrum

Distributed systems

Concurrency and race conditions

Idempotency and immutability

CI/CD

Azure

Generative AI tooling

Education

Bachelor's degree

Tools

Azure

Claude Code / Generative AI tools

Copilot/Codex

Job description

FullStack is seeking a Senior .NET Engineer - Payments for a 6-month engagement. You will join a client team, delivering reliable backend services in .NET/C# for payment workflows. Strong emphasis on concurrency, idempotency, and distributed systems with a bias toward production-grade reliability in a remote setup.

Advanced English, a four-year degree, and 5+ years of experience are required. Azure experience is a plus; familiarity with Generative AI tools is beneficial.