JR-192853 .Net developer Senior

Job Description:

We are looking for a Senior Product Support Engineer (.NET/C#) to join a fast-paced and collaborative environment supporting a legacy enterprise security product. In this role, you will ensure product stability, customer continuity, and operational responsiveness by providing engineering support for the product's Long-Term Support (LTS) track.

You will be responsible for troubleshooting complex customer environments, investigating technical issues, implementing bug fixes, supporting maintenance releases, and helping remove blockers related to on-premises installations and upgrades. This is a great opportunity for professionals who enjoy solving challenging technical problems, working with enterprise-grade software, and collaborating with engineering, support, and SRE teams.

Locations:

Brazil
Colombia
Argentina
Peru
Uruguay
Costa Rica
Mexico

Requirements:

• 5+ years of professional experience in software engineering, product support, or application maintenance;
• Strong commercial experience with .NET/C# development and backend/API development;
• Solid experience working with SQL Server databases;
• Hands-on experience supporting enterprise-grade, security-sensitive software;
• Experience troubleshooting complex customer environments, including:
  • Custom networking configurations;
  • Authentication and SSO integrations;
  • Multi-tier application architectures;
• Experience with Windows Server environments and IIS;
• Knowledge of application deployment processes, including installers and release management;
• Understanding of networking concepts such as:
  • Proxies;
  • TLS/SSL;
  • DNS;
• Experience with software maintenance activities, including:
  • Bug investigation and resolution;
  • Security and compatibility updates;
  • Release support;
  • Production issue troubleshooting;
• Strong understanding of secure development practices and software patching processes.

Nice to have:

• Experience working with cybersecurity products or Application Security (AppSec) platforms;
• Experience supporting on-premises enterprise applications;
• Familiarity with long-term support (LTS) software lifecycle models;
• Experience collaborating with Support, SRE, and Engineering teams;
• Experience working under defined SLAs and operational support processes;
• Knowledge of secure release practices and vulnerability remediation.

Other skills:

• English – Excellent written and verbal communication skills;
• Ability to work effectively in a global, multicultural, and distributed environment;
• Strong analytical and troubleshooting skills;
• Ability to communicate technical issues clearly with both technical and non-technical stakeholders;
• Proven ability to work independently while collaborating with international engineering teams;
• Strong ownership mindset and attention to quality.

Job Responsibilities:

• Provide engineering support for the legacy product's Long-Term Support (LTS) track;
• Investigate, troubleshoot, and resolve complex product issues reported by customers;
• Perform bug fixes and contribute to maintenance releases;
• Support security updates, compatibility improvements, and product stability initiatives;
• Troubleshoot installation, upgrade, and deployment blockers in customer environments;
• Maintain and optimize backend services built with .NET/C#;
• Work with SQL Server databases to analyze and resolve data-related issues;
• Support integrations involving authentication, networking, and enterprise infrastructure;
• Collaborate with internal Support, Engineering, and SRE teams through defined escalation processes;
• Maintain technical documentation and follow internal security and quality standards;
• Provide regular updates on open issues, risks, investigations, and progress.

What We Offer:

• Competitive salary;
• 100% remote opportunity;
• Paid time off (PTO), sick leave, and national holidays. Benefits will be communicated during the application process depending on your location;
• Travel expenses are covered when applicable;
• Referral program;
• Paid certification program;
• Personal development plan (PDP);
• Access to the language platform.

Job ID: JR-192853