Senior Full-Stack .NET Developer (.NET Core + React)

Join a Leading Financial Innovator as a Senior Fullstack .NET Developer!

Warsaw based opportunity with remote work model (2 days in the office/month).

As a Senior Fullstack .NET Developer you will be working for our client, one of the leading leasing and finance companies in Poland, on innovative digital solutions that shape the future of secure and user-friendly financial services. You will join a highly skilled team responsible for designing and developing scalable web applications that enhance customer experience and support complex business processes. This role requires a strong technical background in .NET and modern frontend frameworks, combined with the ability to work on distributed systems and contribute to architecture and design decisions.

Your main responsibilities:

• Development and maintenance of systems supporting all areas of the company’s operations

• Participation in the work of development teams working in Scrum (planning tasks, proposing interesting solutions, regular presentations of results, and improving products based on obtained feedback)

• Design and implement REST APIs and microservices in .NET Core

• Build responsive and secure frontends with HTML, CSS, JavaScript, and TypeScript

• Optimize performance and ensure scalability of applications

• Collaborate with business analysts and UX/UI designers to translate requirements into solutions

• Integrate applications with relational databases using SQL and ORM frameworks

• Contribute to the design and implementation of multi-layered and distributed architectures

• Write and maintain unit, integration, and end-to-end tests

• Use CI/CD pipelines to automate builds and deployments

• Work within Agile teams, participating in code reviews and knowledge sharing

You're ideal for this role if you have:

• Higher education in computer science (or other technical field)

• Min. 5 years of experience with C# and .NET components 

• Knowledge of the React framework

• Knowledge of relational databases and SQL languages

• Development experience in HTML, CSS, JavaScript, TypeScript

• Experience in building applications based on the ASP.NET MVC / REST API / .NET Core framework

• Experience in building web applications based on the SPA model

• Experience in creating solutions based on multi-layered architecture

• Ability to solve tasks creatively

• Knowledge of English sufficient to read documentation and report errors to foreign suppliers

Nice to have:

• Knowledge of the Durandal.js framework

• Work with GIT, Azure DevOps

• Experience in working with Docker images

• Experience in working with Kubernetes and supporting tools e.g. Helm

• Knowledge of Microsoft SQL Server, Oracle Database

• Knowledge of NHibernate, Entity Framework

• Knowledge of NServiceBus, MassTransit

We offer you:

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes:

• Stable and long-term cooperation with very good conditions 

• Enhance your skills and develop your expertise in the financial industry

• Work on the most strategic projects available in the market

• Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years

• Participate in Social Events, training, and work in an international environment

• Access to attractive Medical Package

• Access to Multisport Program

• Access to Pluralsight

• Flexible hours & remote work