Deloitte
Senior Application Developer
Skills
7 days ago
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Important information
Contract type:
Permanent
Location:
Rzeszów, Poland
Work mode:
Hybrid
Published on:
15 October 2026
What they need
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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