Role: Fullstack Developer (React + .NET)Location: Remotely (from Poland)Rate: up to 135 pln/h net+vat (B2B)Start: ASAP /30 days availabilityWe are looking for an experienced Fullstack (React+.NET) + cloud or .NET Developer. We value direct communication and an open approach to problem-solving. Currently, we are working on an application for the FinTech industry, dedicated to banks and financial institutions.Your Daily Missions: Designing web solution architecture based on best practices, using microservices and the AWS cloud. Developing within a SaaS product platform. Implementing new functionalities using .NET and React. Designing, developing, and maintaining APIs, services, and systems on a cloud-based platform. Building high-performance back-end solutions. Preparing tests and technical documentation. Being part of a SCRUM team that develops and delivers software solutions throughout the entire production lifecycle.  The Essentials We’re Seeking: At least 4+ years of experience in .NET development. Experience with React Experience with MS SQL, NoSQL databases, and ElasticSearch. Ability to build applications using microservice architecture, with an understanding of its concepts, benefits, and drawbacks. Experience with cloud solutions (AWS or Azure). Good knowledge of software development practices and methodologies such as code reviews, DDD, TDD, CI/CD, SOLID, IaC, etc. Experience working with Serverless architectures and frameworks. A team player with a product-oriented mindset, focused on solving user problems. Fluent in English (minimum B2 level) – working in an international team.