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Salary
≈ $50k – $83k per year (Estimated)
Location
Hybrid (Katowice, Poland)
Seniority
Senior · 10+ years exp

Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Oct 14, 2026.

Overview
Company
Impact
Profile match
Deloitte Central Europe is the regional member firm of the Deloitte network covering Poland, the Czech Republic, Slovakia, Hungary, Romania, Bulgaria, Croatia, Serbia and other countries of the region. It provides audit and assurance, tax, legal, risk advisory, financial advisory and technology consulting services, including Salesforce, SAP and cybersecurity work, to public and private clients, and runs large delivery teams in Bucharest, Budapest, Warsaw and Sofia. The firm is headquartered in Warsaw, Poland.

Description & Requirements

Who we are looking for

  • 10+ years of professional experience in software development.
  • Strong expertise in C# and .NET technologies, particularly ASP.NET Core.
  • Experience with Entity Framework and relational databases.
  • Solid knowledge of APIs, integration patterns, and SQL.
  • Hands-on experience with Angular and TypeScript and/or Java Spring Boot.
  • Experience with Microsoft SQL Server, Azure Database, and Microsoft IIS.
  • Familiarity with Azure services such as Azure Functions, Service Bus, API Management, Logic Apps, Azure Data Factory, and Container Apps is an advantage.
  • Strong analytical, problem-solving, and communication skills.
  • Experience working in Agile development environments.

Your future role

As a Senior Application Developer, you will play a key role in designing, developing, and integrating modern enterprise applications that support the digitalization of business processes across the organization.

Your Responsibilities:

  • Design, develop, and maintain modern, scalable applications and services.
  • Collaborate in agile software development and integration projects.
  • Drive the onboarding of new applications into the enterprise application landscape.
  • Develop and implement integration solutions using Microsoft Azure Integration Services.
  • Enable seamless integration across business-critical systems and platforms.
  • Analyze, document, and optimize integration processes, interfaces, and technical solutions.
  • Work closely with cross-functional teams to deliver end-to-end digital solutions and drive innovation.

What we offer

  • Stable job in multinational company based on employment contract;
  • Working in flexible hybrid model - partially from home and the office;
  • Great opportunity for professional development (individual training plan, soft skills and technical trainings, access to modern training platforms e.g. Udemy for Business, LinkedIn Learning);
  • Structured onboarding process and Buddy program for new joiners;
  • Open and friendly organizational culture based on the pillars of well-being and diversity & inclusion

About Deloitte

Deloitte is a variety of people, experience, industries and services we deliver in 150 countries of the world. It is an intellectual challenge, a good starting point for your career, and an excellent opportunity for continuous development and gaining valuable life experiences. What you only must do is to take the first step - press the apply button and send us your CV, go through all the stages of the recruitment process and sign a contract with us. Deloitte is simply your best choice.

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