Senior/Lead Developer .Net / C# IRC295242

Function

Software Product Engineering

Experience

5-10 years

Location

Poland - Krakow

Skills

• .net
• C#
• Linux
• TypeORM API Development: RESTful APIs

For Rail client to support design and development activities in migration of Windows stand alone application to cloud service on Azure Cloud.

Stack Overview

Backend: 95% C# with ASP.NET Core, C# medium ASP.NET Framework and a custom extension in Java.

Frontend: C# with either Maui Blazor or ASP.NET Core + SignalR + TypeScript.

Hosting: VMs in Azure or customer hosted – future will be containers on Linux.

Deployment: Linux Docker containers, legacy Windows services, with miscellaneous OSS/COTS products (MS SQL, PostgreSQL, HiveMQ, Traefik, Keycloak).

Requirements

• MUST HAVE: 5+ years of experience with Microsoft Technologies: .NET, WPF, C#
• gRPC
• Messaging / message-brokers
• Container technologies
• Advanced mathematics – applied math
• Passionate about learning new business areas and technologies.
• Ability to adapt quickly to an existing, complex environment.
• Strong communication skills (both verbally and in writing) with internal team members and external business stakeholders.
• Strong knowledge of software development best practices and techniques
• NICE TO HAVE: Experience with integrating with external systems and protocols, forward compatibility
• Working in regulated environments
• Ensuring reliability in unreliable runtime environments
• Understanding of idempotence and invariant

Job Responsibilities

• Reverse engineering of .NET / C# stand‑alone application and porting it to Web, cloud-based app hosted on Azure.
• Participate in the design and development of scalable cloud solutions.
• Develop new software products – design, code, test, package and document new products.
• Work closely with Scrum teams and stakeholders to successfully bring the solution to production.
• Work with the project lead and project team to plan, estimate, schedule and implement development project tasks.
• Report development project status in accordance with project plans.
• Participate in the planning of and execution of on-site customer testing.
• Business trips to Copenhagen will be required for onboarding (2 weeks) and later – once per quarter.