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Software Mid.NET Engineer Job Opening In Kraków – Now Hiring StoneX


Job description

Overview

Permanent, full-time, hybrid

Connecting clients to markets – and talent to opportunity.

With 4,300 employees and over 400,000 retail and institutional clients from more than 80 offices spread across five continents, we’re a Fortune-100, Nasdaq-listed provider, connecting clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors.

At StoneX, we offer you the opportunity to be part of an institutional-grade financial services network that connects companies, organizations, and investors to the global markets ecosystem.

As a team member, you'll benefit from our unique blend of digital platforms, comprehensive clearing and execution services, personalized high-touch support, and deep industry expertise.

Elevate your career with us and make a significant impact in the world of global finance.

Business Segment Overview: Engage in a deep variety of business-critical activities that keep our company running efficiently.

From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies.

Technology Ecosystem:

  • Languages & Frameworks: C#, .NET Core, ASP.NET 
  • Architecture: Microservices, Event-driven (Kafka, AMQ), CQRS 
  • Cloud & Infra: Azure, Kubernetes, Docker, Rancher 
  • Databases: MS SQL Server (T-SQL), NoSQL (a plus) 
  • Tooling: Git, Visual Studio, CI/CD pipelines (TeamCity), Octopus, Grafana
  • Responsibilities

    Position Purpose: This is an ideal opportunity for a mid-level .NET engineer who wants to work on production-grade APIs and backend systems that drive real trading capabilities, from authentication and pricing to order execution and account management.

    You’ll be part of a collaborative, cross-functional team working closely with QA engineers, other developers, and team leads.

    Together, you’ll deliver efficient, well-designed backend services in a modern cloud-native architecture.

    Primary duties will include:

  • Build and improve backend services and APIs used in high-traffic trading systems
  • Develop scalable solutions using the latest .NET technologies
  • Design features in collaboration with team leads and stakeholders
  • Debug, analyze, and resolve issues in both development and live environments
  • Apply TDD/BDD practices and write clean, testable, and maintainable code
  • Participate in planning sessions, agile ceremonies, code reviews, and technical discussions
  • Continuously evaluate new technologies and contribute to platform improvement
  • Work with other engineers to ensure performance, reliability, and secure design
  • Qualifications

    To land this role you will need:

  • 3+ years of experience in backend .NET/C# development
  • Solid knowledge of .NET Core, RESTful APIs, and software architecture best practices
  • Experience with Kubernetes and/or Docker
  • Familiarity with messaging systems (e.g. ActiveMQ, Kafka)
  • Good knowledge of SQL Server and T-SQL; NoSQL experience is a plus
  • Experience working in Agile Scrum teams.
  • Exposure to CI/CD tools like TeamCity and Octopus.
  • Strong communication skills and ability to collaborate across teams.
  • Experience with financial systems or real-time applications is a bonus.
  • Education / Certification Requirements: 

  • Bachelor's degree in Computer Science, Software Engineering, or equivalent experience 
  • Working environment:

  • Hybrid - private parking for employees.
  • FTE (UoP).
  • #LI-Hybrid #LI-DK1

    Required Skill Profession

    Computer Occupations


    • Job Details

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    Unlock Your Software Mid Potential: Insight & Career Growth Guide


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    Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Software Mid in Kraków, Poland, highlighting market share and opportunities for professionals in Software Mid roles.

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    Are You Looking for Software Mid.NET Engineer Job?

    Great news! is currently hiring and seeking a Software Mid.NET Engineer to join their team. Feel free to download the job details.

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    The Work Culture

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