Source Job

Brazil

  • Develop and evolve backend applications using .NET, C#, ASP.NET Core, and Web APIs with a focus on scalability and security.
  • Design and implement RESTful APIs and microservices for high-impact financial platforms.
  • Collaborate with Product, Business, and Technology teams to translate requirements into reliable technical solutions.

.NET C# ASP.NET Core RESTful APIs PostgreSQL

20 jobs similar to Backend .NET Developer (Pleno/Senior)

Jobs ranked by similarity.

Brazil

  • Design, build, and maintain back-end services using C#, ADO.NET, and SQL Server.
  • Implement and evolve SOAP and REST APIs, ensuring best practices and versioning standards.
  • Conduct code reviews, mentor junior team members, and contribute to CI/CD workflows.

CI&T helps large enterprises transform AI potential into real business impact with AI deployment, AI-native execution, and tech-integrated solutions. With 8,000 employees across 25 countries, they foster a culture of innovation and collaboration.

Brazil

  • Design, build, and maintain back-end services using C#, ADO.NET, and SQL Server.
  • Implement and evolve SOAP and REST APIs, ensuring adherence to best practices and versioning standards.
  • Collaborate with a multicultural team across Brazil, Colombia, UK, and USA, ensuring high-quality deliverables.

CI&T helps large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience, we are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact.

Canada

  • Design and develop scalable backend services and APIs using C#, .NET 6/7/8, and ASP.NET Core Web API.
  • Architect enterprise systems using Clean Architecture, SOLID principles, and microservices.
  • Collaborate with cross-functional teams in an Agile environment to deliver mission-critical digital banking solutions.

The company is a technology partner specializing in digital banking solutions for financial institutions. They foster a collaborative, Agile culture with a focus on mentorship and continuous improvement.

Portugal Brazil

  • Design, develop, and maintain high-quality applications using C# and the Microsoft technology stack.
  • Build and integrate RESTful APIs and develop front-end applications using React.
  • Contribute throughout the full development lifecycle within Agile/Scrum teams.

TXP is a software company that works on internal and customer-facing digital projects. They emphasize a collegial environment with shared responsibility and a culture of learning from mistakes.

$120,000–$160,000/yr
US

  • Design and deliver REST APIs, domain logic, and background workflows for ERP product areas.
  • Own complex capabilities from technical discovery through implementation and production support.
  • Collaborate with platform, frontend, product, and design teams to turn government workflows into reliable software.

They are an established software company transforming a broad portfolio of Windows-based applications into a modern SaaS suite for county and city governments. They have a lean, collaborative engineering team with decades of domain knowledge.

Brazil

  • Lead technical solutions, architecture, and engineering standards for scalable financial products.
  • Collaborate with multidisciplinary teams in an Agile environment to deliver high-quality solutions.
  • Ensure system reliability through rigorous testing, observability, and incident response.

This partner company is a financial technology firm developing modern credit and financial solutions. The company values technical excellence, collaboration, and sustainable product evolution.

Poland

  • Develop and enhance new functionality for a web portal automating insurance processes.
  • Design and implement scalable backend services using C#, .NET 8, and Microsoft Azure.
  • Collaborate with distributed teams and participate in technical discussions.

ELEKS is a software engineering and development office specializing in custom software solutions. This project team consists of around 25 specialists across Poland and Ukraine, with a collaborative and quality-driven culture.

Global

  • Build modern, scalable applications using .NET Core, ASP.NET, and C#, accelerated with AI code generation.
  • Design and implement RESTful APIs and microservices that power real-world solutions.
  • Collaborate in Agile/Scrum teams, owning code from concept to deployment using AI tools.

Trellint simplifies curbside management, offering comprehensive solutions to make parking accessible, equitable, and congestion-free. As part of Modaxo, a global technology organization, our culture values autonomy, impact, and continuous learning.

$100,000–$120,000/yr

  • Design, develop, and maintain backend services and APIs using Node.js, Java, or .NET.
  • Build scalable server-side applications and integrate RESTful APIs with third-party services.
  • Collaborate with cross-functional teams in an Agile environment and optimize performance and security.

CareerSwift builds a secure, scalable health services platform. As an equal opportunity employer, it offers a modern tech stack and collaborative culture with professional growth opportunities.

Brazil Portugal

  • Design, enhance, and maintain enterprise-grade .NET applications supporting critical business operations.
  • Modernise legacy systems by working across C#, .NET Framework, WinForms, WebForms, and VB.NET codebases.
  • Integrate REST APIs, SOAP services, and XML while collaborating with an Agile, international engineering team.

The hiring company is a partner of Jobgether, specializing in large-scale enterprise application modernisation programs. They foster a collaborative, Agile culture with shared responsibility and a focus on continuous learning and technical growth.

Latin America

  • Design, build, and deliver high-quality, scalable enterprise SaaS applications using C#, .NET Core, and SQL Server.
  • Take end-to-end responsibility for code quality and testing in a Shift Left, AI-assisted development environment.
  • Partner with Product Managers and cross-functional squads to translate business requirements into customer-centric features.

Truelogic is a leading provider of nearshore staff augmentation services headquartered in New York. With over 600 skilled tech professionals based in Latin America, they drive digital disruption by partnering with U.S. companies on impactful projects.

Brazil

  • Build and maintain high-quality full-stack software solutions using C#, .NET Core, Angular, and TypeScript.
  • Contribute across the full software development lifecycle, including architecture, testing, and documentation.
  • Collaborate with distributed teams to solve complex problems and improve critical systems.

Our partner is a technology company that builds software for critical public safety and security environments. They offer a collaborative, people-focused engineering culture with a remote team in Brazil.

US

  • Lead design and delivery of complex features from ideation to production.
  • Use AI-assisted tools to accelerate delivery while critically validating output.
  • Own and evolve code within your product area, including microservices architecture.

Access Softek builds software for the financial industry, helping banks and credit unions deliver modern digital banking experiences. The company has been in business for over 30 years and works with hundreds of financial institutions across the U.S.

India

  • Develop and maintain web services and microservices using C#, .NET Core, Entity Framework, and SQL Server.
  • Build and enhance cloud solutions on Azure, including ETL processes and data modeling for financial applications.
  • Integrate third-party APIs, write clean code following SOLID principles, and develop automated tests for software quality.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. It operates as a remote-first company with a focus on efficient and fair recruitment processes.

Brazil

  • Define and evolve the architecture for a suite of .NET Core services and web apps, aligning them with frontends built in React, Angular, and Vue.
  • Ensure scalability, security, and reliability across distributed systems, and lead modernization efforts including cloud-native patterns and CI/CD practices.
  • Engage with demanding clients to manage expectations, navigate ambiguity, and negotiate technical trade-offs for win–win solutions.

CI&T helps large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience and 8,000 employees across more than 25 countries, they collaborate to build solutions with real impact.

Brazil

  • Design and evolve scalable, secure, and high-performance software architectures aligned with business goals.
  • Define architectural patterns, technical standards, and engineering best practices for .NET-based solutions.
  • Lead creation of architectural documentation, conduct architecture reviews, and mentor developers.

CI&T helps large enterprises transform AI potential into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience, we are 8,000 CI&Ters across more than 25 countries collaborating to build impactful solutions.

LATAM

  • Develop and maintain full-stack features using C#, .NET, Angular, TypeScript, HTML, and CSS in a Shift Left engineering environment.
  • Take full ownership of unit, integration, and performance testing, and leverage AI-powered tools like GitHub Copilot and Claude to accelerate development.
  • Collaborate closely with Product Owners and engineering teammates in an Agile SCRUM environment to build scalable cloud-based SaaS solutions.

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their global teams. They connect top LATAM talent with international product companies and provide full employer-of-record support and long-term career development.

Global

  • Design scalable distributed systems and microservices for a cloud-native Azure application.
  • Build clean, secure, and performant services using ASP.NET Core, C#, and GraphQL.
  • Own database architecture with Azure SQL, EF Core, and multi-tenant isolation.

Nortal is a global technology company delivering complex solutions for digital transformation. For over 25 years, they've been at the forefront of AI-driven innovation, with a culture that values autonomy, open communication, and diversity.

$70,000–$75,000/yr
US

  • Oversee software design, development, and testing using .NET, JavaScript, Angular, ReactJS, and databases like Elasticsearch, PostgreSQL, and SQL Server.
  • Provide production support, troubleshoot issues, and review SQL queries for performance and standards compliance.
  • Write Web APIs with token-based authentication and collaborate with developers and management on requirements and progress.

Enhesa is a leading provider of regulatory and sustainability intelligence, helping global businesses navigate compliance and sustainability landscapes. The company serves Fortune 500 multinational clients and offers a fast-paced, driven environment with flexible home-working policies.

Latin America

  • Remediate security vulnerabilities across the full stack including dependency upgrades, code-level fixes, credential rotation, and container hardening.
  • Write unit and functional tests for every fix to prove vulnerabilities are addressed and features continue to work.
  • Own major version upgrades end to end, diagnosing and resolving build breaks or behavior changes through completion.

Truelogic is a leading provider of nearshore staff augmentation services headquartered in New York, delivering technology solutions to companies of all sizes. With a team of over 600 skilled tech professionals based in Latin America, they partner with US companies to drive digital transformation.