Senior .NET Developer: Cloud Transformation & SOA Specialist

Sii Poland; Łódź; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Contracts with the biggest brands

Profit sharing

Regular integration events and trips

MySii app

Job summary

Sii Poland is seeking a Senior .NET Developer to drive the cloud transformation of a data-intensive analytics platform. You will design scalable architectures and modernize legacy components to ensure performance and reliability.

You will collaborate with global professionals, apply SOA principles, and work with engineers, analysts and QA to build solutions that meet business needs. Strong English and AWS expertise are required; experience with C# is a plus.

Qualifications

• 5+ years of software development experience focusing on .NET technologies.
• Strong design and implementation skills for web services.
• Hands-on experience with AWS and cloud environments.
• Advanced English proficiency in a professional setting.

Responsibilities

• Contribute to cloud transformation of a data-intensive analytics platform.
• Design scalable architectures and modernize legacy components.
• Propose and implement modern frameworks and architectural improvements.
• Apply SOA concepts in software design and development.
• Provide timely support to platform users and resolve issues.
• Collaborate with engineers, analysts and QA to meet business needs.

Skills

.NET

Web services

Redux/Context API

English

AWS

C#

Tools

Redux/Context API

Job description

Sii Poland is seeking a Senior .NET Developer to drive the cloud transformation of a data-intensive analytics platform. You will design scalable architectures and modernize legacy components to ensure performance and reliability.

You will collaborate with global professionals, apply SOA principles, and work with engineers, analysts and QA to build solutions that meet business needs. Strong English and AWS expertise are required; experience with C# is a plus.