Developer (Hybrid)

DEVELOPER (HYBRID LISBON)

Portuguese company hires for hybrid position

Location: LisbonPortugal

Only candidates already basedin Portugal will be considered

Work Model: Hybrid (23days/week on-site)

Language Requirements:English B2 (mandatory)

Seniority: Senior (6years)

Instructions: Please send yourCV in English and make sure to include all skills and experience that match therequirements of the opportunity. This will significantly increase your chancesof success

About the Role

We are seeking a highly skilled Developerto join a team working in high-performance and critical environmentswith a strong focus on technology evolution and system optimization.

This is an excellent opportunity for professionalspassionate about modernizing legacy systems improving applicationperformance and contributing to robust scalable architectures.

Key Responsibilities

• Develop test and implement features using .NET Core / .NET Framework
• Contribute to technical design decisions and architecture evolution
• Lead and support the migration Framework Core
• Optimize SQL queries reduce latency and enhance API performance
• Create and manage NuGet packages
• Improve distributed caching and database performance through profiling and tuning
• Implement observability solutions (e.g. OpenTelemetry OpenSearch)
• Ensure secure high-quality code aligned with best practices
• Provide 3rd-line support for production incidents when required

Must-Have Requirements

• Strong experience with C# .NET Core and .NET Framework
• Solid knowledge of SQL and relational databases (Microsoft SQL Server)
• Experience working in high-performance environments
• Background in application performance tuning and optimization
• Ability to work on system migrations and modernization initiatives

Nice to Have

• Experience with Oracle Coherence and distributed caching systems
• Knowledge of multi-threading garbage collection and SQL profiling
• Familiarity with tools such as Jira Bitbucket Ansible Tower Jenkins or TeamCity
• Experience with observability tools like OpenTelemetry OpenSearch and Prometheus

Keywords

.NET Framework C# SQL Microsoft SQL ServerPerformance Optimization API Latency System Migration NuGet DistributedCache Observability OpenTelemetry OpenSearch Prometheus JenkinsBitbucket Ansible Hybrid Lisbon

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