Senior .NET Developer - Cloud, AWS & React Expert

Sii Poland; Województwo pomorskie; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Great Place to Work

Profit sharing

Regular integration events and trips

Medical care

MySii app

Job summary

Sii Poland is seeking a Senior .NET Developer to join our team and drive the cloud transformation of a data-intensive analytical platform. You will design scalable architectures, modernize legacy components, and ensure performance and reliability while collaborating with a diverse, global team.

Requirements include 5+ years in .NET, web services design, AWS experience, and advanced English. Nice to have C#.

Qualifications

• Minimum 5 years of software development experience with a focus on .NET technologies.
• Deep expertise in designing and implementing web services.
• Hands-on experience with cloud environments (AWS).
• Strong knowledge of Redux and Context API in React applications.
• Solid understanding of software design principles and best practices.
• Advanced level of English.

Responsibilities

• Contributing to the cloud transformation of a data-intensive analytical platform by designing scalable architectures and modernizing legacy components.
• Ensuring continuous technological evolution of the product by proposing and implementing modern frameworks and architectural improvements.
• Applying Service-Oriented Architecture (SOA) concepts in software design and development.
• Providing timely and courteous support to platform users, ensuring issues are understood, analyzed, and resolved promptly.
• Collaborating with engineers, analysts, and quality engineers to design and build software solutions that meet business needs.
• Adhering to team design and coding procedures and standards.

Skills

.NET technologies

Designing web services

AWS

Redux/Context API in React

Software design principles

English (advanced)

C# (nice to have)

Job description

Sii Poland is seeking a Senior .NET Developer to join our team and drive the cloud transformation of a data-intensive analytical platform. You will design scalable architectures, modernize legacy components, and ensure performance and reliability while collaborating with a diverse, global team.

Requirements include 5+ years in .NET, web services design, AWS experience, and advanced English. Nice to have C#.