Senior Fullstack Developer

FCamara Consulting & Training

. Develop, maintain, and enhance web applications using .NET (C#) on the back end and React on the front end .

Posted 11/10/2026contractRemote • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining web applications using .NET (C#) and React, with a strong focus on microservices, cloud-native solutions, and AI tools for software engineering. Proficient in applying Clean Architecture, SOLID principles, and ensuring quality through TDD/BDD methodologies.

Highest-signal resume keywords

.NET Core / .NET 6, 7, or 8+ (C#)React.js and TypeScriptMicrofrontend ArchitectureDocker and KubernetesCI/CD Pipelines

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

.NET Core / .NET 6, 7, or 8+ (C#)Entity Framework CoreRESTful APIsReact.jsTypeScriptMicrofrontend ArchitectureDockerKubernetesCI/CD PipelinesRelational Databases

Soft Skills

CollaborationMentoringTechnical Support

Tools & Technologies

AWSAzureGCPGitHub ActionsAzure DevOpsGitLab CIRabbitMQApache KafkaDatadogGrafana

Certifications & Qualifications

Cloud Certifications

Industry Keywords

MicroservicesClean ArchitectureSOLID PrinciplesEvent-Driven ArchitectureAI ToolsPrompt Engineering

Tech Stack

Tools & technologies

ApacheAWSAzureCloudDockerDynamoDBEntity FrameworkGoogle Cloud PlatformGrafanaGraphQLJavaScriptKafkaKubernetesMongoDBNoSQLPostgresPrometheusRabbitMQReactRedisReduxSQLTypeScriptWebpack.NET

About the role

Key responsibilities & impact

Develop, maintain, and enhance web applications using .NET (C#) on the back end and React on the front end
Design, develop, and maintain high-performance microservices and RESTful/GraphQL APIs
Apply Clean Architecture, SOLID, and DDD principles
Build modular, reactive, and scalable interfaces in React
Design and maintain Microfrontend architectures, including Webpack Module Federation or Single-SPA
Develop and operate cloud-native solutions on AWS, Azure, or GCP
Use Docker/Kubernetes, serverless architecture, asynchronous messaging, and CI/CD pipelines
Use AI assistants for code generation, refactoring, testing, documentation, and code reviews
Ensure quality, security, and observability through TDD/BDD, static analysis, APM, and distributed logging
Participate in architecture definition and make technical decisions independently
Conduct code reviews and provide technical support to more junior developers
Collaborate with product, design, and QA teams in an agile environment
Identify and resolve performance, security, and scalability bottlenecks
Participate in architecture discussions, technical refinements, and mentoring

Requirements

What you’ll need

Extensive experience with .NET Core / .NET 6, 7, or 8+ (C#), Entity Framework Core / Dapper, RESTful APIs, and messaging systems (RabbitMQ, Apache Kafka, Azure Service Bus, or AWS SQS/SNS)
Strong proficiency in React.js and TypeScript
Experience managing complex state using Redux Toolkit, Zustand, or React Query
Hands-on experience designing, implementing, and orchestrating Microfrontends
Knowledge of distributed routing, dependency sharing, Design Systems, and communication between modules
Experience developing and deploying on Azure, AWS, or GCP
Experience with Docker, Kubernetes, and CI/CD pipelines using GitHub Actions, Azure DevOps, or GitLab CI
Proficiency with relational databases (SQL Server, PostgreSQL) and NoSQL databases (MongoDB, Redis, DynamoDB)
Proven daily use of AI tools applied to software engineering, such as GitHub Copilot, Cursor, Claude, or ChatGPT
Knowledge of Prompt Engineering for code generation, advanced debugging, code migration, and test creation
Experience integrating LLMs and AI APIs, such as the OpenAI API, Semantic Kernel, LangChain, or RAG, is a plus
Knowledge of event-driven architecture and legacy system modernization is a plus
Cloud certifications are a plus
Experience with Datadog, Grafana, Prometheus, or OpenTelemetry is a plus

Benefits

Comp & perks

No additional benefits, perks, or compensation are specified in the posting