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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on .NET, C#, Azure applications for international clients. Key technical requirements include .NET, ASP.NET Core, Web API, EF Core, Azure App Services, Azure SQL along with performance and reliability improvements in production systems. Responsibilities cover leading the team, code quality enhancement, mentoring, collaborating with architecture and DevOps, and production issue analysis. Benefits include private medical care, flexible working hours, English lessons, and sports activity subsidies.

.Net Developer

Company: ZAVEN sp. z o.o.

from: 26 May 2026
to: 25 June 2026
140 - 170 złnet (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:senior
working mode:remote
Wrocław, Stare Miasto
Wrocław, Stare MiastoPlac Solny 14AView on map

Requirements

Expected technologies

.NET
C#
ASP.NET Core
Entity Framework
App Services
Azure SQL
Application Insights
Azure DevOps

Optional technologies

Angular
React.js

Our requirements

  • 8+ years software development experience.
  • Strong C#, .NET, ASP.NET Core, Web API experience.
  • Strong Entity Framework / EF Core experience.
  • Strong Azure experience: App Services, Azure SQL, Application Insights, Azure DevOps, CI/CD.
  • Experience improving performance and reliability in production systems.
  • Experience leading developers, reviewing code, and setting engineering standards.
  • Strong communication skills with both technical and non-technical stakeholders.

Optional

  • Angular / React / front-end experience.
  • Redis / distributed caching.
  • Azure Front Door, API Management, Service Bus, Storage.
  • Insurance, fintech, or regulated environment experience.
  • Experience with test automation and CI/CD quality gates.

Your responsibilities

  • Leading development work across .NET, C#, and Azure-based applications.
  • Reviewing and improving code quality, performance, maintainability, and reliability.
  • Working on application performance optimizations, including async/await, EF Core usage, caching, API design, memory allocation, HttpClient usage, long-running processes, and error handling.
  • Supporting the decomposition of monolithic functionality into modular components or services.
  • Partnering with QA teams on testability, regression coverage, defect triage, and release readiness.
  • Mentoring mid-level developers and raising engineering standards.
  • Collaborating with product and business stakeholders to clarify requirements and reduce rework.
  • Participating in production issue analysis and root-cause reviews.

About the project

Now we’re looking for a .NET Developer to join our team on a project for one of our international clients.
We need a hands-on .NET lead developer who can own delivery, improve code quality, mentor developers, and work closely with architecture, QA, DB, DevOps, and product stakeholders.

This is how we organize our work

This is how we work

you focus on a single project at a timeyou have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedagilescrum
Company

Benefits

  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • English lessons

Recruitment stages

  • 1.
    Intro call with recruiter 30 min.
  • 2.
    Technical interview with Tech Lead 1 hour
  • 3.
    Technical interview with our Client

ZAVEN sp. z o.o.

Zaven is a software company from Wrocław, Poland. We build high-quality custom software for essential industries. Our focus is on practical results and trusting our people, not on strict rules or long processes. If you want to work with smart teams to build important software, and you want to avoid big company bureaucracy, this is the place for you.
.Net Developer
140–170 zł / hr. (B2B)
I apply to:
ZAVEN sp. z o.o.
Wrocław, Stare Miasto
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