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Kempuri

Senior .NET Developer

Kempuri
Poland · Contract · Mid-Senior
We are looking for an experienced .NET Developer to join our team and contribute to the design, development, and maintenance of enterprise-level applications. We value professionals who are passionate about writing high-quality code and who consider security, performance, and reliability from the very start of the design process.

Requirements

  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Strong understanding of .NET / C# programming
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> 5+ years of experience in software engineering using .NET / C#
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Proven experience building reusable components, plug-ins, and RESTful APIs
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Hands-on experience with Python in production-grade environments
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Experience in setting up and maintaining CI/CD pipelines (e.g., Azure DevOps, GitHub)
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Solid knowledge of relational databases (MS SQL, Oracle) for data storage and retrieval
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Awareness of security and system resilience during the design phase
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> A growth mindset and eagerness to learn new technologies and approaches
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Ability to give and receive constructive feedback
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Willingness to support and collaborate with teammates to ensure team success

Nice to have

  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Master’s degree in Computer Science, Mathematics, or equivalent professional experience
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Experience in the financial industry
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Open-source contributions or an active GitHub profile
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Familiarity with functional programming
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Knowledge of ING in-house frameworks for backend containerized services
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Understanding of Security Principles
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Experience with TDD (Test Driven Development)

Responsibilities

  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Design, develop, and maintain software in the .NET ecosystem
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Build and optimize applications and supporting libraries
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Participate in code reviews and adhere to engineering best practices
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Collaborate with project teams throughout the application lifecycle

Our offer

  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Competitive salary
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Long-term B2B contract
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Flexible working hours and remote work options
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Private healthcare and wellness benefits
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Access to training, certifications, and career development opportunities
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Modern equipment tailored to your daily work needs
  • p]:pt-0 [&>p]:mb-2 [&>p]:my-0"> Supportive, inclusive workplace culture focused on continuous improvement

Key Skills

Ranked by relevance

c functional programming restful apis storage python devops oracle cicd tdd sql
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Country Guide

Poland

Fast-growing Central European IT hub

Posted
Oct 29, 2025
Type
Contract
Level
Mid-Senior
Location
Katowice
Company
Kempuri

Industries

Banking

Categories

Engineering Information Technology

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