Senior .NET Engineer: Cloud Data Platform Architect

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

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking a Senior .NET Developer to join a global team, contributing to the cloud transformation of a data-intensive analytical platform. You will design scalable architectures, modernize legacy components, and ensure performance and reliability across the product.

You will collaborate with software engineers, analysts, and quality engineers to deliver robust solutions, applying SOA principles and best practices, while maintaining high standards and continuous learning.

Qualifications

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

Responsibilities

• Contribute to cloud transformation by designing scalable architectures and modernizing legacy components.
• Drive continuous tech evolution by proposing and implementing modern frameworks and architectures.
• Apply SOA concepts in software design and development.
• Provide timely support to platform users, ensuring issues are understood and resolved.
• Collaborate with engineers, analysts, and QA to deliver software solutions.
• Adhere to team design and coding standards.

Skills

.NET

Redux

Context API

React

AWS

English (advanced)

Tools

AWS

Job description

Sii Poland is seeking a Senior .NET Developer to join a global team, contributing to the cloud transformation of a data-intensive analytical platform. You will design scalable architectures, modernize legacy components, and ensure performance and reliability across the product.

You will collaborate with software engineers, analysts, and quality engineers to deliver robust solutions, applying SOA principles and best practices, while maintaining high standards and continuous learning.