Senior Software Engineer (.NET) at Zartis

The company and our mission:  Zartis is a global AI transformation and technology consulting partner where talented engineers and technologists work on cutting edge innovation. We partner with ambitious organizations to design, build, and scale technology solutions that deliver real impact. Our teams bring deep expertise in AI driven platforms, secure API architectures, and cloud native engineering. You will work on meaningful projects that accelerate the adoption of advanced technologies, from strategy and discovery through to full product delivery, helping turn complex challenges into measurable outcomes. With engineering hubs across EMEA and LATAM, and long term partnerships in financial services, healthcare and life sciences, and energy and climate, we offer opportunities to work on projects that truly matter. Here, you will not just build technology, you will drive business impact and grow your career alongside industry leaders. We are looking for a Senior Software Engineer tojoin a project in the e-commerce industry, working with a leading platform that powers digital commerce experiences for globally recognised brands.   The project: Our teammates are talented people that come from a variety of backgrounds. We’re committed to building an inclusive culture based on trust and innovation. You will be part of a distributed team developing new technologies to solve real business problems. Our client builds scalable e-commerce solutions that enable safer, simpler, and faster shopping experiences for consumers worldwide. We are looking for someone with strong communication skills, who is proactive, comfortable taking ownership, and experienced in building scalable systems in a fast-paced environment, with a strong attention to detail and a production-focused mindset.   What you will do: Build and maintain scalable backend services using .NET / .NET Core and Web APIs. Design and develop platform components and shared services to support multiple development teams at scale. Develop and integrate RESTful APIs supporting high-traffic payment systems. Contribute to frontend development, building UI components that consume well-defined APIs. Work within a microservices and event-driven architecture, ensuring reliability and performance. Collaborate with architecture teams to align with long-term platform strategy and implement improvements. Participate in test-driven development (TDD) and ensure high-quality, production-ready code. Engage with stakeholders across business and technical teams to gather requirements, propose solutions, and drive delivery. Support production systems, ensuring observability, scalability, and maintainability. Continuously learn and upskill, contributing to team knowledge sharing and best practices.   What you will bring: 6+ years of experience in software development. Strong experience with C# and .NET Core. Experience building systems using microservices architecture. Hands-on experience with cloud-native development, preferably in Microsoft Azure. Familiarity with Azure services such as CosmosDB, App Insights, Service Fabric, Redis, or similar. Experience with event-driven architectures (e.g., Kafka or similar messaging systems). Good understanding of RESTful APIs and OAuth security flows. Solid knowledge of software engineering principles (SOLID, DI, IoC) and testing practices. Experience working in Agile (Scrum) environments. Strong problem-solving skills and ability to work independently in a distributed team. Nice to have: Experience with Angular and/or TypeScript; React is also a plus.  Experience working in payments or financial systems.   What we offer:  100%Remote Work WFH allowance: Monthly payment as financial support for remote working. Career Growth: We have established a career development program accessible for all employees with a 360º feedback that will help us to guide you in your career progression. Training: For Tech training at Zartis, you have time allocated during the week at your disposal. You can request from a variety of options, such as online courses (from Pluralsight and Educative.io, for example), English classes, books, conferences, and events. Mentoring Program: You can become a mentor in Zartis or you can receive mentorship, or both. Zartis Wellbeing Hub (Kara Connect): A platform that provides sessions with a range of specialists, including mental health professionals, nutritionists, physiotherapists, fitness coaches, and webinars with such professionals as well. Multicultural working environment: We organize tech events, webinars, parties, and activities to do online team-building games and contests.