Web Developer jobs in Brazil

As a Full-Stack .NET Developer at Whiteshield, you will play a critical role in designing, building, and scaling high-performing web applications that underpin our digital platforms and flagship policy advisory products. You will be responsible for end-to-end development across the application stack, including Blazor front-end components, .NET Core back-end services, and Microsoft SQL Server data layers.

You will build modern, maintainable, and secure applications using the Blazor WebAssembly/Server framework, C#, and Entity Framework, while applying best practices in RESTful API design, domain-driven architecture, and database optimization. Your work will extend to developing cloud-native applications deployed on Azure & on-premise deployments to IIS, incorporating CI/CD pipelines, infrastructure-as-code, and DevSecOps principles to ensure robust, scalable, and secure deployments.

This role demands a strong understanding of software architecture, data modelling, and emerging AI technologies, including opportunities to integrate LLM’s (e.g., OpenAI, Gemini) to enhance user experience and analytics. You’ll collaborate closely with cross-functional teams across design, technical, and business domains to deliver high-impact, production-grade software.

• Collaborate closely with product teams to translate business challenges into scalable and maintainable software solutions
• Lead the development of web applications using Blazor (WebAssembly and Server), delivering dynamic, component-based UI’s integrated with secure, high-performing API’s
• Design and maintain API layers using .NET Core, incorporating authentication (OAuth2, JWT), request validation, and rate limiting where applicable
• Architect robust, modular C# backend services, applying domain-driven design and deploying within containerized environments (Kubernetes experience is a plus)
• Build and maintain relational data models using Microsoft SQL Server, optimizing performance through indexing, partitioning, stored procedures, and other database tuning techniques
• Collaborate with data engineering teams to support ETL pipelines, operational data marts, and analytics-ready schemas within a structured medallion architecture
• Integrate Large Language Models (LLM’s) such as OpenAI into products using secure API calls, embedding techniques, and prompt engineering best practices
• Participate in Agile ceremonies, help refine user stories, and challenge assumptions to ensure technically sound and valuable feature delivery
• Work from design prototypes in Figma, implementing responsive, accessible, and pixel-perfect UI components using Razor, Blazor bindings, and modern CSS frameworks (e.g., TailwindCSS or Bootstrap)
• Ensure strong application security through secure storage, encrypted communications, and identity protocols aligned with best practices
• Build and maintain automated testing suites using xUnit, bUnit, Playwright, or similar frameworks to ensure high-quality releases
• Manage CI/CD workflows and infrastructure provisioning via Azure DevOps, including pipelines, artifacts, configuration management, and release automation
• Monitor application performance and reliability post-deployment using Application Insights, Log Analytics, or similar telemetry solutions
• Drive continuous improvement across the engineering lifecycle, contributing to the evolution of internal frameworks, coding standards, and dev tooling
• Stay up to date with the latest advancements in the .NET ecosystem, Azure services, and Blazor framework, and proactively share knowledge with the wider team

• Fluent in English; Arabic language skills are an asset
• Excellent communication and collaboration skills in cross-functional, agile environments
• Strong analytical mindset and attention to detail across quality, security, and performance
• 5+ years of professional experience in full-stack development and web application delivery
• Proficient in .NET Core, ASP.NET WebAPI and Blazor (WebAssembly & Server) frameworks
• Deep understanding of Razor components, TailwindCSS, HTML/CSS, and responsive UI design
• Advanced experience with relational databases: SQL Server, PostgreSQL
• Proven experience with ETL pipeline development, data modelling, indexing, and query optimization
• Familiarity with LLM APIs, prompt design, and model orchestration
• Hands-on experience with DevSecOps tools and cloud deployment workflows
• Familiarity with Git, GitHub, Azure DevOps, and automated CI/CD pipelines
• Experience using collaborative wireframing tools such as Figma
• Cloud experience with Azure and/or Google Cloud Platform - certification preferred (GCP Professional Developer)

Our Commitment to Equal Opportunities: At Whiteshield, we are committed to providing equal opportunities in employment regardless of individual characteristics. We recognize that our employees feel appreciated when their thoughts and values are respected and considered. We’re committed to maintaining and driving an inclusive culture and workplace where all talents are nurtured and feel empowered to contribute.

Celebrating Achievements: At Whiteshield, we seek to reward those who demonstrate exceptional individual achievements above and beyond expectations in the pursuit of continuously seeking excellence for our clients. When individuals excel, we show our appreciation and celebrate achievements by generously recognizing and supporting the career progression of those who make unique contributions to the firm.

Empowering Our People: At Whiteshield, we recognize that our employees are the core to our success and believe that when our exceptional talent comes together, and wellbeing is a priority – innovation thrives. We are dedicated to promoting and encouraging a healthy work-life balance and adopting a genuinely flexible working model to empower our employees to pursue a balance that suits their personal needs.