Lead .NET Engineer — AI-led Tech Leader for Global FinTech

CSHARK; Wrocław; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Flexible hours

Remote-first work

International projects

In-house tech workshops

Charity actions

Job summary

CSHARK is seeking a Lead .NET Engineer to join an international project focusing on developing and modernising a lending platform used by financial institutions in the UK and Europe. You will start with hands-on full-stack development across C#, .NET Framework 4.x, ASP.NET and SQL Server, including legacy Delphi 7 and VB.NET components.

Over time, you will lead technical direction, drive architectural improvements and AI adoption, mentor engineers, and collaborate with stakeholders to deliver

Qualifications

• Strong commercial experience with C# and .NET Framework 4.x.
• Advanced knowledge of SQL Server and T-SQL including stored procedures and jobs.
• Experience developing REST APIs and system integrations.
• Experience modernising complex legacy systems incrementally.
• Previous experience as Tech Lead or Software Architect with mentoring duties.

Responsibilities

• Develop and maintain a complex lending platform using C#, .NET Framework 4.x, ASP.NET and SQL Server.
• Deliver full-stack changes end-to-end from requirements to testing and code review.
• Develop and optimise T-SQL stored procedures and SQL Server Agent jobs.
• Maintain APIs, integrations and background-processing services.
• Mentor engineers and lead architectural decisions and standards.
• Collaborate with business analysts and stakeholders to deliver reliable solutions.

Skills

C#

.NET Framework 4.x

ASP.NET

SQL Server

Delphi 7

VB.NET

Angular

SignalR

REST APIs

Azure DevOps

AI-assisted development

Code review

Tools

GitHub Copilot

Claude Code

Cursor

OpenAI Codex

Job description

CSHARK is seeking a Lead .NET Engineer to join an international project focusing on developing and modernising a lending platform used by financial institutions in the UK and Europe. You will start with hands-on full-stack development across C#, .NET Framework 4.x, ASP.NET and SQL Server, including legacy Delphi 7 and VB.NET components.

Over time, you will lead technical direction, drive architectural improvements and AI adoption, mentor engineers, and collaborate with stakeholders to deliver