Senior Fullstack.NET Developer with Angular

Senior Fullstack .NET Developer with Angular

Miejsce pracy: Białystok

Technologies we use

Expected

- C#
- .NET Core
- ASP.NET
- Entity Framework
- TypeScript
- RxJS
- GraphQL
- Microsoft Azure
- Azure DevOps
- Terraform
- Git
- PowerShell
- Windows Server
- Angular

Operating system

- Windows

About the project

We are looking for a highly skilled Senior Fullstack .NET Developer with Angular to join our dynamic team focused on delivering next-generation digital platforms. The ideal candidate will have strong experience in full-stack development, cloud technologies, and modern software architectures, with a keen interest in leveraging AI to improve customer experience and engineering efficiency.

Your responsibilities

- Analyze business, functional, and technical requirements for digital platforms, including Customer Experience and eCommerce
- Design, develop, and maintain robust, scalable applications as part of an Agile Scrum team
- Implement RESTful Web APIs and microservices to support application functionality
- Collaborate with front-end teams to deliver responsive, high-quality web interfaces
- Apply modern frameworks and tools to enhance development efficiency and maintainability
- Participate in cloud application development, particularly on Microsoft Azure
- Integrate DevOps processes and tools to support CI/CD and infrastructure management
- Utilize AI-assisted development tools to increase productivity and code quality

Our requirements

- At least 5 years of experience in C#/.NET development, including .NET Core, ASP.NET, and Entity Framework
- Strong front-end development skills using Angular 9+, TypeScript, RxJS, HTML, CSS, and SASS
- Hands-on experience with RESTful Web APIs and microservice architectures
- Proficiency with modern frameworks and tools such as GraphQL, Mass Transit, Autofac, Mapster, AutoMapper, FluentValidation, Apollo Angular, and Angular Material
- Experience in cloud development, especially Microsoft Azure
- Familiarity with DevOps processes and tools, including Azure DevOps, Terraform, PowerShell, and MACH Composer
- Solid understanding of Git, SOLID principles, design patterns, and software architecture best practices
- Experience using AI-assisted development tools and interest in leveraging AI for customer experience, automation, or engineering efficiency
- Fluency in English
- Residing in Poland required

What we offer

- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People

Recruitment stages

- Send your CV
- Talk to us about your expectations
- Learn more about our projects and choose the best
- Start your adventure with Sii

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment.