Mid-Level Development Analyst – .NET

Bemobi

. Modernize legacy systems from VB6 to C# and .NET Core by mapping business rules, proposing the architecture for new services, and managing a gradual, secure production rollout .

Posted 11/11/2026full-timeRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in modernizing legacy systems, particularly transitioning from VB6 to C# and .NET Core, while ensuring robust API development and maintaining production operations. Proficient in implementing CI/CD pipelines and applying security best practices to enhance application resilience and performance.

Highest-signal resume keywords

C# Development.NET CoreAPI DevelopmentCI/CD PipelinesTerraform

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

VB6Relational DatabasesNon-Relational DatabasesAutomated TestingAWSDockerReactTypeScriptNode.jsWindows Services

Soft Skills

Problem SolvingTechnical LeadershipCollaboration

Tools & Technologies

BitbucketGrafanaNginx

Industry Keywords

AgileSecurity Best PracticesResilience PatternsMonitoring Tools

Tech Stack

Tools & technologies

AWSDockerGrafanaJavaScriptNGINXNode.jsReactTerraformTypeScript.NET

About the role

Key responsibilities & impact

Modernize legacy systems from VB6 to C# and .NET Core by mapping business rules, proposing the architecture for new services, and managing a gradual, secure production rollout
Maintain and troubleshoot legacy VB6 applications during the modernization process
Develop and enhance APIs and services using .NET and .NET Core
Enhance web applications across the front end and back end, including security fixes
Build and maintain CI/CD pipelines in Bitbucket and infrastructure as code using Terraform
Support production operations by monitoring alerts and incidents, investigating root causes, and proposing permanent fixes
Lead technical investigations into critical and non-critical support tickets and document lessons learned
Create metrics, dashboards, and alerts to detect failures before they affect customers, and review noisy alerts
Apply security best practices, including keeping secrets out of source code, rotating credentials, and remediating vulnerabilities

Requirements

What you’ll need

Professional experience with C# and .NET/.NET Core in backend development, including APIs, services, and integrations
Knowledge of AWS, containers (Docker), Terraform, and CI/CD
Experience with relational and non-relational databases
Knowledge of resilience patterns for integrations, including timeouts, retries, idempotency, and event persistence
Experience with automated testing, especially tests that ensure the new system behaves the same way as the legacy system
Experience using AI for development and analysis, including coding assistants and tools for understanding legacy code, along with the critical judgment to validate AI-generated suggestions
Git and experience working in agile teams
Preferred: practical experience with VB6
Preferred: front-end experience with React and TypeScript
Preferred: experience with Node.js
Preferred: experience with Windows services, Windows Server, and Nginx
Preferred: experience with Grafana or similar monitoring tools

Benefits

Comp & perks

Bradesco National Network Health Plan – extended to dependents with no per-beneficiary deduction
Bradesco Dental Plan – optional
Flexible meal and food allowance – maintained during vacation
Profit-sharing plan
Wellhub
Birthday day off
Home office allowance
Transportation allowance as needed – with the legally permitted deduction
Zurich Life Insurance
Free access to all our products – AppsClub, Clube de Descontos, TrueCaller, BTFit, and Busuu
Access to internal training through digital platforms
Internal employee recognition program – BeInspired