Sr. Software Developer – Application Migration & Modernization

Jobgether; Brasil; Teletrabalho; BRL 536 000 - 751 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Remote work from Brazil

Senior technical ownership

AWS & cloud experience

CI/CD & AI tools

Contractor USD salary discussions

Resumo da oferta

Jobgether, on behalf of a partner company, seeks a Sr. Software Developer in Brazil for application migration and modernization. You will enhance legacy systems, modernize architectures, and implement robust deployment practices using CI/CD, WCF, and cloud services.

Strong focus on performance, scalability, and AI-assisted development tools. You will work remotely from Brazil with senior ownership of enterprise-grade solutions and collaboration across stakeholders to ensure business continuity

Qualificações

• Experience maintaining, modernizing and migrating enterprise applications.
• Proficiency with C#, .NET Framework 4.8 and ASP.NET family.
• Experience with WCF, IIS, and web hosting scenarios.
• Database development and optimization with Oracle, PostgreSQL, and SQL.
• Experience with Git and CI/CD pipelines.
• Cloud experience with AWS EC2 and RDS.
• Familiarity with AI-assisted development tools.
• Strong analytical and problem-solving skills.
• English communication for collaboration and documentation.

Responsabilidades

• Maintain, enhance, and modernize existing applications built with C#, .NET Framework 4.8, ASP.NET MVC, ASP.NET Web Forms, and Web API.
• Support migration of legacy applications toward maintainable and scalable architectures.
• Develop, integrate, and maintain application services and APIs, including WCF.
• Work with IIS to support hosting, configuration, deployment, and troubleshooting.
• Design and optimize database solutions using Oracle PL/SQL, PostgreSQL, PL/pgSQL, and SQL.
• Analyze codebases and databases to identify performance improvements and modernization opportunities.
• Use Git and CI/CD to manage source code and deployments.
• Contribute to cloud-based environments using AWS EC2 and RDS.
• Apply AI-assisted tools to accelerate implementation and testing.
• Collaborate with stakeholders to troubleshoot issues and deliver improvements.

Conhecimentos

C#

.NET Framework 4.8

ASP.NET MVC

Web Forms

Web API

WCF

IIS

Oracle PL/SQL

PostgreSQL

PL/pgSQL

Ferramentas

Git

CI/CD

AWS (EC2, RDS)

Descrição da oferta de emprego

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Sr. Software Developer – Application Migration & Modernization based in Brazil.

We are looking for a senior software developer to support application migration and modernization initiatives, helping improve the performance, maintainability, and scalability of existing business systems. In this role, you will work with established Microsoft technologies and database platforms to modernize legacy applications while preserving critical functionality. You will contribute to backend development, application architecture, database optimization, and integration solutions across enterprise environments. The position also involves supporting cloud infrastructure and implementing reliable deployment practices through CI/CD pipelines. You will have opportunities to leverage AI-assisted development tools and agentic workflows to improve engineering efficiency. This remote opportunity is suited to an experienced developer who combines strong technical expertise with a practical, modernization-focused mindset.

Accountabilities

• Maintain, enhance, and modernize existing applications built with C#, .NET Framework 4.8, ASP.NET MVC, ASP.NET Web Forms, and Web API.

• Support the migration of legacy applications toward more maintainable, scalable, and modern architectures while ensuring business continuity.

• Develop, integrate, and maintain application services and APIs, including systems that use Windows Communication Foundation (WCF).

• Work with Microsoft Internet Information Services (IIS) to support application hosting, configuration, deployment, and troubleshooting.

• Design, maintain, and optimize database solutions using Oracle PL/SQL, PostgreSQL, PL/pgSQL, and SQL.

• Analyze existing codebases and database structures to identify opportunities for performance improvements, simplification, and modernization.

• Use Git and CI/CD practices to manage source code, streamline deployments, and maintain reliable development workflows.

• Contribute to cloud-based application environments using AWS services, including EC2 and RDS.

• Apply AI-assisted development tools and agentic workflows where appropriate to accelerate implementation, code analysis, testing, and modernization activities.

• Collaborate with technical stakeholders to troubleshoot issues, validate solutions, and deliver reliable application improvements.

Requirements

• Strong professional experience in software development, particularly maintaining, enhancing, and modernizing enterprise applications.

• Proficiency in C# and the .NET Framework 4.8, with practical experience in ASP.NET MVC, Web API, and Web Forms.

• Familiarity with WCF and IIS in application development, integration, hosting, and maintenance contexts.

• Strong database development skills, including Oracle PL/SQL, PostgreSQL, PL/pgSQL, and SQL query optimization.

• Experience using Git for version control and working with CI/CD pipelines to support automated build and deployment processes.

• Knowledge of AWS infrastructure, particularly EC2 and RDS, and an understanding of application deployment in cloud environments.

• Ability to analyze legacy systems, understand existing business logic, and implement improvements without compromising critical functionality.

• Familiarity with AI-assisted software development tools and agentic workflows, or the ability to adopt these tools effectively.

• Strong analytical and troubleshooting skills, attention to detail, and a commitment to producing maintainable, reliable code.

• Effective communication and collaboration skills, along with the ability to work independently in a remote environment.

• Sufficient English proficiency to communicate about technical requirements, collaborate with stakeholders, and document development work.

Benefits

• Remote work: Opportunity to work remotely from Brazil.

• Senior-level technical ownership: Contribute to application migration, modernization, and continuous improvement initiatives.

• Enterprise technology experience: Work with established Microsoft technologies, relational databases, and cloud infrastructure.

• Modern development practices: Apply CI/CD workflows and AI-assisted engineering tools to improve productivity and software quality.

• Technical development: Deepen your expertise in legacy application modernization, backend engineering, database systems, and AWS.

• Contractor opportunity: The application process requests salary expectations in US dollars, indicating a contractor-oriented compensation discussion.