.NET Developer (Cosmos/SQL DB, REST APIs)

*Solvd Inc. is a rapidly growing AI\-native consulting and technology services firm delivering enterprise transformation across **cloud, data, software engineering, and artificial intelligence** . We work with industry\-leading organizations to design, build, and operationalize technology solutions that drive measurable business outcomes.* *Following the acquisition of **Tooploox** , a premier AI and product development company, Solvd now offers true **end\-to\-end delivery** —from strategic advisory and solution design to custom AI development and enterprise\-scale implementation. Our capability centers combine deep technical expertise, proven delivery methodologies, and sector\-specific knowledge to address complex business challenges quickly and effectively.* We're looking for a skilled **.NET Developer** with deep experience in Cosmos and SQL databases, as well as a strong foundation in developing and deploying REST APIs. If you are a passionate team player, driven by technical excellence and a desire to collaborate across teams, we want you to join our dynamic environment. What you'll do * Work collaboratively in a cross\-functional environment with product, tech, and QA teams to design and deliver robust software solutions. * Write clean, efficient, and high\-quality code while actively participating in detailed code reviews and technical design sessions. * Communicate with clients, ensuring that complex technical concepts are conveyed clearly and professionally. * Prepare and present engaging product demos that showcase new features and enhancements. * Embrace a strong team\-player mindset, contributing positively to a supportive and dynamic team culture. What you bring * 4–6\+ years of professional experience in software development, focusing on technical design, code reviews, and coding. * Expertise with .NET 6/7/8 (server\-side) and mastery of C\# (versions 10/11/12\). * Proficiency in developing with ASP.NET Core, including minimal APIs, controllers, middleware pipeline, filters, and dependency injection frameworks. * Demonstrated experience designing, developing, and deploying RESTful services (resource modeling, verbs, idempotency, pagination, filtering, sorting). * Knowledge of API Gateway/BFF patterns and implementation of CQRS where appropriate. * Skilled in working with OpenAPI/Swagger contracts, API versioning, backward compatibility, and deprecation policies. * Proficient in AuthN/AuthZ (OAuth2, OIDC, JWT token management, scopes, roles, claims transformation). * Experience with caching strategies, including in\-process and Redis. * Hands\-on experience with file handling for large uploads/downloads, streaming, and range requests. * Deep knowledge of relational databases, specifically SQL Server and/or Cosmos DB (experience with both is ideal). * Understanding of schema design concepts: normalization, pragmatic denormalization, partitioning, and sharding basics. * Familiarity with cloud services (App Service, AKS/ECS/EKS), Key Vault/Secrets Manager, Storage, Service Bus/Kafka, and monitoring via Application Insights or equivalent tools. **When you join Solvd, you'll…** * Shape real\-world AI\-driven projects across key industries, working with clients from startup innovation to enterprise transformation. * Be part of a global team with equal opportunities for collaboration across continents and cultures. * Thrive in an inclusive environment that prioritizes continuous learning, innovation, and ethical AI standards. **Ready to make an impact?** If you're excited to build things that matter, champion responsible AI, and grow with some of the industry’s sharpest minds. Apply today and let’s innovate together.