Mid-level Backend Developer (m/f) | LisbonOur Tech Development Team is a fully autonomous engineering unit responsible for designing, building, deploying, and maintaining high‐quality backend services within a modern microservices ecosystem. The team operates under a full DevOps mindset, ensuring that developers own the complete lifecycle of the software — from architecture and development to deployment, monitoring, and continuous improvement.Working in an Agile environment, the team collaborates closely to deliver scalable, secure, and resilient solutions that support business growth and operational efficiency.Responsibilities Develop and maintain backend services using.NET, C#, EF Core, and SQL Server. Design and evolvemicroservicesthat are scalable, secure, and resilient. Own the full DevOps lifecycle:build, test, deploy, monitor, and supportservices. Collaborate with anAgile/Scrumteam, contributing to planning, reviews, and retrospectives. Ensure high standards ofcode quality, testing, and documentation .What are we looking for: 2–3 years of experiencein backend development with.NET and C#, building clean, reliable, and scalable services. 2–3 years working with Entity Framework Core and SQL Server, designing efficient data models and queries. At least 2 years of hands‐on experience with microservices architecture, including service design, APIs, and distributed systems. Experience working in Agile/Scrum environments, collaborating closely with cross‐functional teams. Strong English communication skills, both spoken and written.Soft Skills Collaborative team player, with clear communication and a positive, solution‐oriented mindset. Strong ownership and accountability, embracing the full DevOps lifecycle from build to run. Proactive and adaptable, with a continuous‐learning attitude and strong problem‐solving drive.What We Offer: Range Salary: 25k – 35k annually (gross value) – this value depends in your proven experience. Up to 6 extra vacation days (depending on attendance). Employee Assistance Program (includes free psychological and nutritional consultations. Legal, financial, and other relevant support). Health Insurance.About Vortal VORTAL is a leading provider of eSourcing and eProcurement solutions, connecting thousands of public and private organizations with a global network of qualified suppliers. With teams based in Lisbon and Madrid, we empower our clients' digital transformation through modular, innovative technology and a wide range of value‐added services. We help buyers achieve efficiency, reduce risk, and increase transparency, while suppliers gain new business opportunities, greater competitiveness, and access to powerful market insights. VORTAL is part of an international group dedicated to building best‐in‐class e‐Tendering products that shape the future of procurement worldwide.