Senior C# Developer Full-Time in Buenos Aires, Argentina

Published on CazVidat First Systems SRL

Apply for Senior C# Developer at First Systems SRL in Buenos Aires. Full-time role requiring 3+ years C# experience, teamwork, and scalable architecture skills.

Verified by CazVid5 months agoOpen until: Oct 20, 2026

Salary

Not provided

Location

Buenos Aires, Buenos Aires F.D., Argentina

Employment type

Full time

Workplace

Not provided

Senior C# Developer Full-Time in Buenos Aires, Argentina

Buenos Aires, Buenos Aires F.D., Argentina

Apply now

Job description

Join First Systems SRL as a Senior C# Developer in Buenos Aires

Job Description

  • Develop service-oriented applications using C# with proven experience.
  • Actively participate in product design phases by analyzing requirements and proposing improved solutions.
  • Demonstrate strong analytical skills, teamwork, collaboration, and active contribution.
  • Collaborate on architecture definition ensuring scalable solutions aligned with industry standards.
  • Maintain high code quality and excellence in task execution.
  • Provide support for evolutionary maintenance and optimize application performance.
  • Exhibit a positive attitude towards problem-solving.

Responsibilities

Effectively work with C# to support the IT team in developing new features, maintaining existing systems, and fixing reported bugs.

Mandatory Requirements

  • Currently studying or graduated in programming, engineering, computer science, or related fields.
  • Minimum 3 years of professional experience developing service-oriented applications in C#.
  • Proficient with Git version control.
  • Strong teamwork skills.
  • Experience with relational and non-relational databases.
  • Solid knowledge of structured programming and object-oriented programming (OOP).

Preferred Qualifications

  • Experience with Node.js development.
  • Knowledge of web application development using Angular.
  • Android application development skills.
  • Familiarity with financial messaging standards ISO8583 and EMV.
  • Java programming experience, especially with Spring Boot.

Work Location and Schedule

This is a full-time, on-site position based in Buenos Aires, Argentina.

Frequently asked questions

  • Is this position remote or on-site?

    This is a full-time, on-site position based in Buenos Aires, Argentina.

  • What kind of experience do I need to apply?

    You need a minimum of 3 years of professional experience developing service-oriented applications in C# and proficiency with Git version control.

  • Do I need a specific educational background?

    You should be currently studying or graduated in programming, engineering, computer science, or related fields.

  • What will my main responsibilities be?

    You will develop new features, maintain existing applications, fix bugs using C#, participate in product design, and support application performance optimization.

  • Are there any preferred skills that could help me stand out?

    Yes, experience with Node.js, Angular, Android development, financial messaging standards like ISO8583 and EMV, and Java with Spring Boot are preferred.

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