Senior Software Engineer designing and deploying backend systems for financial applications at Cross River. Collaborating across teams to enhance scalability and stability while ensuring compliance.
About the role
- Senior Full Stack .NET Developer for a global software team developing an inventory management platform. Building scalable web applications and APIs across the full stack in a fast-evolving SaaS environment.
Responsibilities
- Design, build, and maintain web applications and RESTful APIs using C#, .NET Framework, JavaScript, and SQL Server;
- Collaborate closely with product managers, QA engineers, and developers to translate business needs into reliable, scalable solutions;
- Write clean, testable, and maintainable code aligned with modern development practices;
- Implement efficient data access using Entity Framework and optimize queries, stored procedures, and data models;
- Troubleshoot and resolve application issues, including performance bottlenecks and system bugs;
- Participate in code reviews, mentor peers, and contribute to a culture of continuous improvement;
- Work in an agile environment, proactively driving the quality and evolution of business-critical systems.
Requirements
- 6+ years of experience in full-stack development using .NET technologies, SQL Server, and JavaScript;
- Proven expertise with C# and .NET Framework for building modern web applications and services;
- Strong proficiency in Microsoft SQL Server and understanding of query optimization and database design;
- Experience with Entity Framework for data access and ORM;
- Familiarity with Git or similar version control systems and agile methodologies;
- Strong problem-solving mindset and a commitment to clean, maintainable architecture.
Benefits
- Supportive relationships, built on transparency and a flat structure, in a diverse and multinational team;
- Office in the center of historical Kraków, where your dog is always welcome;
- Flexibility when it comes to working from the office or home;
- Perks include Multikafeteria, Group Life Generali insurance, Signal Iduna, Multisport, language lessons 1:1;
- Sport and other events, including weekly running, squash, and team lunches on the house;
- Free tea, coffee, and all-you-can-eat fruits and nuts in the office.
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