.NET Developer
Contract: B2B
Rate: 110 - 140 PLN/h net+VAT
Location: Remote (within Poland)
Start date: ASAP
Key Technologies
.NET / C#
ASP.NET (server-side rendering) - WebForms in MVC
WebAPI (.NET 8)
DevExpress JS
Entity Framework
MS SQL (MSSQL)
Nice to have: DevExpress, jQuery, legacy migration experience
Tools: Jira, Confluence (nice to have)
Project Overview
As a .NET Developer, you will join an engineering team working on a data-driven web application used to present and manage information generated by other parts of the system (lists, reports, dashboards). The front-end is built in a server-side rendering model using ASP.NET.
The project is currently in a migration phase, transitioning from legacy WinForms components to modern DevExpress JS components and improving UI/UX while modernizing the architecture. Initially, your work will be strongly focused on migration tasks, but it will require a solid understanding of the target direction and a proactive approach.
Responsibilities
Contribute to the ongoing development of the web application from concept to production release.
Migrate front-end components to modern solutions using DevExpress JS.
Develop and maintain solutions based on ASP.NET (WebForms in MVC) and WebAPI (.NET 8).
Implement data-heavy views such as portfolio lists, users, orders, and transaction management screens.
Support dashboard development (summary and reporting views).
Deliver client requirements and integrate new functionality into existing modules.
Work closely with the data layer and reporting (MSSQL, Entity Framework, SQL scripts).
Support the project team with ongoing technical tasks and improvements.
Participate in code reviews and collaborate to keep code quality high.
Requirements
+4 years of experience with .NET and C#.
Practical experience with ASP.NET server-side rendering (WebForms in MVC).
Solid knowledge of Entity Framework.
Good command of SQL (MSSQL), including scripting and versioning practices.
Ability to work independently and take ownership of migration tasks.
Fluency in Polish and an advanced level of English (B2/C1).
Nice to have
Experience with DevExpress and/or jQuery
Background in migrating legacy applications
Familiarity with Atlassian tools (Jira, Confluence)
Experience in financial domain systems (banking, portfolio management)
Why join us?
Rite NRG is a vibrant outsourcing technology company driven by the Right People. We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients.
Join us, and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology!
Stable, long-term, full-time collaboration.
Remote work within Poland and flexible working hours.
High engineering culture with a focus on growth and learning.
Multinational teams.
Benefits: Private medical care, Multisport card, and workation (work for a week from Barcelona or elsewhere).

Rite NRG
We’re Rite NRG - a tech company that’s been helping build great digital products since 2017. We create dedicated IT teams, develop web apps, and deliver AI-driven solutions. We work with companies worldwide, helping them...
.NET Developer
.NET Developer