Senior .NET Back-end Developer

Description

Job Summary: We are seeking a motivated and energetic Senior .NET Back-end Developer to participate in the entire software development lifecycle for customer-facing mobile applications. Key Highlights: 1. Develop mobile and back-end applications using C#, .NET Core, and .NET Framework 2. Integrate applications with messaging and streaming systems (Kafka, Message Hub) 3. Apply architectural patterns such as Clean Architecture and Domain-Driven Design We are collaborating with a leading Portuguese retail company operating in Portugal and Spain. Within this context, we seek an energetic, responsible, and motivated individual to assume the role of **Senior .NET Back-end Developer**, supporting one of the initiatives we are driving with this client. FCamara is one of the fastest-growing technology and innovation groups in Latin America, and since 2021 we have been present in Portugal. We operate across multiple domains including Unified Commerce, Application Development, AI (of course), and Cybersecurity, with over 1,700 professionals distributed across 12 companies in Brazil, Portugal, and the United Kingdom — delivering projects, managed services, squads, and staff augmentation. Portugal serves as our service hub for the Northern Hemisphere. From here, our team supports clients in Portugal, the European Union, the United Kingdom, and the United States. In Europe, beyond the FCamara brand as a technology services provider, we are also the principal investor and shareholder of Beta-i, a reference organization in open and collaborative innovation. At FCamara, members of our consulting and services teams — proudly called Orange Blood — find an environment to grow and develop skills. We work on challenging initiatives with real impact, creating conditions for true professional advancement. Whether joining with prior experience or through our Orange Juice program, we take pride in knowing that many of our talents today are entrepreneurs or have advanced into leadership roles such as CTOs, IT Directors, Innovation Directors, or other leadership positions across diverse organizations worldwide. "Those who join FCamara usually leave significantly better than when they arrived." Said by former Orange Blood — not by us. **Responsibilities and Duties** Practically speaking, this person will be responsible for participating in the development of customer-facing mobile applications and engaging in the full software development lifecycle, including analysis, design, testing, delivery, and support. Your day-to-day responsibilities will include: * Developing mobile and back-end applications using C#, .NET Core, and .NET Framework. * Implementing solutions using .NET MAUI, Blazor, and hybrid frameworks. * Designing and implementing multi-tenant architectures and SaaS solutions. * Developing and optimizing databases (SQL Server, Oracle, MySQL, PostgreSQL, NoSQL, MongoDB). * Integrating applications with messaging and streaming systems (Kafka, Message Hub/Queue, Pulsar, Solace). * Working with API Gateway, API Management, and integration tools. * Implementing cloud-based solutions on Azure, AWS, or GCP. * Creating and maintaining CI/CD pipelines using Git, Azure DevOps, GitHub Actions, Kubernetes, and Containers. * Applying architectural patterns such as Clean Architecture and Domain-Driven Design. * Collaborating with cross-functional teams and interacting with technical and functional stakeholders. **Requirements and Qualifications** For this position, we seek someone with at least 5 years of experience in similar roles. You will be the ideal candidate if you meet the following mandatory requirements: * Bachelor’s degree in Software Engineering or related field. * Solid experience in full-stack mobile application development. * Strong expertise in C#, .NET Core, .NET Framework, .NET MAUI, Blazor, and hybrid frameworks. * Experience with SQL databases, Oracle, MySQL, PostgreSQL, NoSQL, and MongoDB. * Experience with messaging and streaming (Kafka, Message Hub/Queue, Pulsar, Solace). * Experience with API Gateway, API Management, and integration tools. * Proficiency in cloud platforms (Azure, AWS, GCP). * Experience with multi-tenant architectures and SaaS. * Knowledge and application of CI/CD (Git, Azure DevOps, GitHub Actions, Kubernetes, Containers). * Experience with Clean Architecture and Domain-Driven Design. * Excellent communication and teamwork skills. * Cross-project and cross-architecture experience. It will be considered advantageous if your profile meets any of the following preferred qualifications: * Prior experience implementing Oracle Retail Solutions. * Familiarity with Scrum/Agile methodologies and tools such as JIRA and Confluence. * Experience with monitoring tools (New Relic, Dynatrace, or similar). * Competence in Quality Assurance methods and test automation tools. Beyond technical knowledge, we also expect a collaborative and team-oriented mindset: * Ability to understand requirements and technical solutions. * Strong communication skills. * Critical thinking and focus on continuous improvement. * Strong delivery orientation and commitment to deadlines and objectives. **Additional Information** **This is a hybrid work position requiring 2 days per week at the client’s office located in the Maia area.** **In this case, it is mandatory that you already reside in Portugal in a location enabling regular commutes to the office as required.** This position is part of a long-term project. **Languages**: For this role, collaboration with the FCamara team and the client occurs in Portuguese. English proficiency is valued, especially for international interactions. **Contract Model**: We offer flexibility regarding the contract model. Our recruitment team will provide all details and information about contract type, compensation, and benefits, tailored to your location and professional situation. **Nationality, Residency, and Visa**: We value and consider professionals of any nationality, provided they possess the required language proficiency and reside within the applicable geographic area. As presence in Portugal is required, non-EU nationals must hold a valid residence permit, card, or title authorizing paid employment. This position does not include visa or residence authorization support from FCamara. **Here, we are \#SangueLaranja!** We have been in the market for 17 years, side-by-side with our clients, delivering transformative experiences. We are a global technology and innovation ecosystem; beyond Brazil, we operate in Europe and the UK, with offices in Portugal, London, Dubai, and the Netherlands. **F for Formation: we believe in sharing culture, community spirit, and the transformative power of knowledge!** We run initiatives and social actions promoting development, such as the Orange Juice tech community, the Training Program, our leadership school, and numerous partnerships with NGOs and Edtechs. **At FCamara, everyone is welcome. For us, Diversity, Respect, and Ethics are non-negotiable and integral to our DNA.** **So, are you ready to join an amazing team and become the protagonist of your own story?**