Source Job

Brazil

  • Maintain and modernize web applications using .NET and React technologies.
  • Design and implement authentication and authorization solutions with OAuth2, OIDC, and JWT.
  • Collaborate with stakeholders and technical teams to ensure secure, reliable delivery of features.

.NET C# React AWS MySQL

20 jobs similar to Mid-Level .NET Developer

Jobs ranked by similarity.

Brazil

  • Develop, maintain, and secure enterprise applications using C#, .NET, ASP.NET Core, and SQL Server.
  • Optimize database performance and implement secure coding practices to mitigate vulnerabilities like SQL injection and XSS.
  • Collaborate on code reviews, automated testing, and security checks integrated into CI/CD pipelines to support compliance and audit requirements.

Brazil Security & IT is an IT services company specializing in secure development and database optimization. They maintain a quality-focused, remote-first culture with opportunities in AppSec and DevSecOps.

Brazil

  • Build and evolve scalable backend services and APIs using C#, .NET, and Azure technologies.
  • Collaborate on cloud-native applications and distributed systems with event-driven architectures.
  • Apply engineering best practices across development, testing, deployment, and monitoring for high-quality software.

CI&T helps large enterprises harness AI to drive business impact through AI deployment, modernization, and tech-integrated solutions. With 8,000 employees across 25 countries, the company fosters a collaborative culture focused on innovation and continuous learning.

Brazil

  • Develop full-stack applications using React, TypeScript, C#, and .NET.
  • Design secure REST APIs and reliable backend systems with SQL Server integration.
  • Mentor junior engineers and leverage AI-powered tools to improve productivity.

Our partner modernizes financial services through innovative digital solutions. They foster a collaborative, remote-first culture with an internationally distributed engineering team.

Brazil

  • Develop and evolve .NET backend services, including .NET Worker Services and ASP.NET Core APIs.
  • Implement data integration with Azure Cosmos DB and SQL Server, ensuring consistency and resilience.
  • Work with Kubernetes/AKS, implement authentication/authorization, and ensure observability and testing.

CI&T helps large companies transform AI potential into real business impact with AI deployment and tech-integrated solutions. The company has 8,000 employees across 25+ countries, with a culture of collaboration and continuous innovation.

Brazil

  • Design, develop, and optimize backend services and APIs using C#, .NET Core, and .NET 8.
  • Work with microservices, Docker, Kubernetes, and Google Cloud Platform to ensure scalability and reliability.
  • Drive observability with Dynatrace, maintain automated tests, and collaborate in an Agile remote environment.

The company builds scalable digital solutions and drives digital transformation across multiple industries. It fosters a collaborative and inclusive culture focused on transparency, trust, innovation, and professional development.

Brazil

  • Develop and maintain backend services using C# and .NET within a fully remote team.
  • Collaborate with stakeholders to analyze requirements and deliver effective technical solutions.
  • Work with SQL databases, APIs, and version control while following software quality standards.

A partner company in the fitness industry is hiring a junior backend developer for its technology team. The company fosters a collaborative, growth-oriented environment with ongoing learning and mentorship opportunities.

Brazil

  • Develop and maintain backend services using C#, ASP.NET Core, and Entity Framework Core.
  • Build and integrate RESTful APIs and modern frontend applications with Next.js, React, and TypeScript.
  • Collaborate with clients and cross-functional teams in an Agile environment to deliver reliable tested solutions.

Partner company developing an education platform that helps professionals access, understand, and use data related to programs and accreditation. The company fosters an Agile, collaborative environment focused on meaningful impact in education.

Portugal Brazil

  • Develop and maintain frontend applications using React, TypeScript and JavaScript.
  • Design and build REST APIs using C# and .NET within Microsoft Azure.
  • Collaborate with agile teams, take ownership of deliverables, and communicate technical decisions clearly.

TXP is a technology company specializing in custom application development. It fosters a collegial, agile culture where responsibility is shared and learning from mistakes is encouraged.

Portugal

  • Develop and evolve backend commerce and payment platforms supporting subscriptions, billing, and global payment processing.
  • Build scalable .NET services and REST APIs, integrating payment providers and regional payment methods.
  • Collaborate with engineers, product, finance, and operations to deliver secure payment experiences.

LastPass delivers secure access essentials, managing access to AI, apps, and credentials. Trusted by 100,000+ businesses and millions of users, it fosters a remote-first, inclusive culture.

Brazil

  • Develop responsive, accessible, and high-performing web applications using modern JavaScript, TypeScript, and front-end frameworks.
  • Integrate APIs, authentication systems, and third-party services while following secure development practices.
  • Deploy and maintain applications on AWS, collaborating with platform teams to strengthen CI/CD and production monitoring.

The company builds fast, accessible, and reliable web applications for users and creators, with a focus on production engineering and cloud technologies. It values collaboration, technical ownership, and operational excellence, working in multidisciplinary teams.

Brazil

  • Design, develop, test, and maintain business software solutions using .NET, translating business needs into reliable technical implementations.
  • Collaborate with an Agile development team to plan and deliver sprint commitments, identifying risks and obstacles while ensuring alignment with business requirements.
  • Work on application architecture, data structures, user interfaces, and software quality, including technical documentation, integration, and testing practices.

Saudi Arabia

  • Develop and maintain software applications using C#, .NET, and ASP.NET Core.
  • Build and support RESTful APIs and backend services in a remote-first environment.
  • Troubleshoot technical issues, provide production support, and contribute to CI/CD practices.

Brazil

  • Design, develop, and optimize high-performance applications using C#, .NET, Angular, and AWS.
  • Lead technical ownership of architecture, database optimization, and event-driven integrations.
  • Collaborate directly with North American enterprise clients to translate business needs into technical solutions.

Jobgether is a platform that uses AI-powered matching to connect candidates with global job opportunities. They operate as a distributed team and emphasize efficient, fair hiring processes.

Brazil

  • Design, develop, and deploy full-stack applications using React, C#, .NET Core, and Python on AWS.
  • Collaborate in an Agile environment to modernize legacy systems, build integrations, and improve application performance.
  • Leverage AI-assisted development tools and DevOps practices to accelerate delivery and maintain code quality.

We are a technology company building scalable, secure applications for a global platform. Our collaborative engineering team works remotely, using modern tools and Agile practices to deliver high-quality software.

$110,000–$140,000/yr
US

  • Design, develop, and maintain software applications using .NET technologies and modern UI frameworks like React.
  • Collaborate with product owners, technology leads, QA testers, and other developers throughout the full software development lifecycle.
  • Write clean, scalable, well-documented code, and participate in code reviews to ensure quality and performance.

The company is a technology organization that develops high-quality software applications. It offers a remote, collaborative work environment with a focus on technical excellence and continuous improvement.

Global

  • Design and develop complex, scalable backend functionalities using .NET and contribute to architectural decisions.
  • Ensure quality and maintainability through code reviews, refactoring, and secure API design following OWASP guidelines.
  • Mentor less experienced developers and promote knowledge sharing while supporting microservices architecture and CI/CD reliability.

This is a partner company of Jobgether, an AI-powered job matching platform. The employer fosters an innovative, collaborative remote-first culture that values autonomy, continuous learning, and engineering excellence.

Brazil

  • Modernize enterprise applications using C#, .NET, ASP.NET MVC, Web Forms, and Web API.
  • Optimize Oracle, PostgreSQL, and SQL databases while supporting AWS and CI/CD practices.
  • Apply AI-assisted tools and collaborate with technical stakeholders to deliver reliable improvements.

A partner company is hiring a senior software developer to support application migration and modernization initiatives. The role is remote from Brazil and focuses on enterprise Microsoft, database, and AWS technologies.

Brazil

  • Develop and ship features for a prepaid card and payments platform using C#/.NET, Azure, React, React Native, and Angular.
  • Use Claude Code and AI-assisted development to accelerate implementation, while reviewing code and debugging issues across the stack.
  • Ensure financial transactions and sensitive data remain secure through rigorous testing, code review, and production ownership.

This company builds reliable, modern business systems and payment solutions for growing companies. The team is remote-first and values AI-assisted development, learning, and flexibility.

Europe

  • Develop and maintain scalable enterprise applications using C#, .NET Core, and ASP.NET Core.
  • Build backend services, RESTful APIs, and microservices with secure coding and performance optimization.
  • Collaborate with cross-functional teams in an Agile environment using Azure DevOps and CI/CD pipelines.

The company focuses on developing scalable enterprise applications and supporting digital transformation. It fosters a dynamic, collaborative, Agile environment with an emphasis on modern Microsoft technologies and continuous improvement.

US

  • Design, develop, and maintain secure applications using C#, .NET Core, ASP.NET, MVC, Web API, JavaScript, and related technologies for VA healthcare data migration and syndication.
  • Collaborate with EHRM architects and cross-functional teams to conduct gap analyses, develop technical solutions, and support interoperability and modernization efforts.
  • Participate in Agile software development activities, including code reviews, CI/CD processes, and evaluation of AI-assisted development tools and LLM integrations.

VetsEZ is a technology company providing secure application development and data integration solutions for federal government healthcare modernization projects, including the Department of Veterans Affairs. The company emphasizes collaboration within multidisciplinary Agile teams and supports remote work across the continental US.