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Quality Digital

Senior Back-End Developer – .NET Core

Quality Digital

. Develop, maintain, and enhance enterprise applications using .NET Core 3.1+ .

Posted 11/7/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates advanced expertise in .NET Core development, RESTful API design, and microservices architecture, while effectively collaborating with cross-functional teams to deliver high-performance enterprise applications. Proficient in SQL database optimization, unit testing, and CI/CD practices to ensure robust and secure solutions.

Highest-signal resume keywords
.NET Core 3.1+RESTful API DesignMicroservices ArchitectureSQL Database OptimizationCI/CD Practices

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
.NET CoreSQL DatabasesUnit TestingDockerRESTful APIsMicroservicesMessagingAsynchronous CommunicationContinuous IntegrationContinuous Delivery
Soft Skills
Analytical SkillsProblem-Solving SkillsCommunication SkillsCollaboration SkillsProactive Improvement
Tools & Technologies
AzureAWSDocker
Industry Keywords
Enterprise ApplicationsTechnology ModernizationObservabilityPerformance Optimization

Tech Stack

Tools & technologies
AWSAzureDockerNoSQLSQL.NET

About the role

Key responsibilities & impact
  • Develop, maintain, and enhance enterprise applications using .NET Core 3.1+
  • Design and implement RESTful APIs and microservices-based architectures
  • Develop system integrations using messaging and asynchronous communication
  • Model, optimize, and maintain SQL databases, creating high-performance queries, stored procedures, and routines
  • Implement and maintain unit tests
  • Use Docker to create, package, and run applications
  • Participate in architecture decisions, technical analyses, and continuous improvement initiatives
  • Identify and resolve issues by fixing and optimizing code
  • Collaborate with cross-functional teams using agile methodologies, ceremonies, refinement sessions, and code reviews
  • Contribute to continuous integration and continuous delivery (CI/CD) pipelines
  • Support task breakdown and project understanding
  • Ensure solutions meet customer needs and follow best practices
  • Monitor rollouts and support issue identification and resolution, guiding the team in critical situations
  • Mentor the team on testing practices, tools, and concepts, and support test refactoring
  • Identify and fix security vulnerabilities or document relevant scenarios
  • Support architecture validation and translate designs into development solutions
  • Participate in ceremonies, address impediments, and follow up on action plans
  • Analyze team metrics and recommend improvements
  • Document and demonstrate solutions using flowcharts, layouts, diagrams, charts, and clear code

Requirements

What you’ll need
  • Advanced experience in software development
  • Advanced experience with .NET Core
  • Strong analytical and problem-solving skills for complex challenges
  • Excellent communication and collaboration skills with technical teams and business stakeholders
  • Proactive approach to identifying improvements, best practices, and technological innovation
  • Knowledge of NoSQL databases is a plus
  • Experience maintaining and migrating .NET Framework solutions is a plus
  • Experience deploying and supporting applications on Azure and/or AWS is a plus
  • Knowledge of technology modernization, observability, and performance optimization is a plus
  • .NET Core 3.1+
  • Knowledge of RESTful APIs, microservices, messaging, asynchronous communication, SQL databases, Docker, unit testing, and CI/CD

Benefits

Comp & perks
  • Supportive environment for learning and professional growth
  • Performance reviews and feedback focused on continuous development
  • Meal and/or food allowance
  • Medical and dental insurance
  • Pharmacy partnerships offering discounts on medications
  • Childcare assistance in accordance with the applicable policy
  • Partnership with SESC for cultural and leisure activities
  • Partnerships for language and technology studies, as well as access to a course platform
  • Payroll-deducted loans at attractive rates
  • Financial education program
  • Corporate University and learning paths
  • Referral program with opportunities for prizes and bonuses
  • Group life insurance
  • Remote work