Senior .NET Engineer – Cloud & SOA Architect

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

Benefits offered by this job

Centre of internal trainings

Profit sharing

Medical care

Job summary

Sii Poland is seeking a Senior .NET Developer to help transform a data‑driven analytics platform in the cloud. You will design scalable architectures and modernize legacy components, applying SOA concepts and collaborating with a globally distributed team to deliver robust software solutions.

The role emphasizes high‑quality coding standards, continuous improvement, and close teamwork with engineers, analysts, and QA to meet business needs. English proficiency is required.

Qualifications

• 5+ years in software development with a strong .NET focus.
• Expertise in designing and implementing web services.
• Experience with AWS and cloud environments
• Hands-on mastery of Redux and Context API in React apps
• Solid understanding of software design principles
• Advanced level of English

Responsibilities

• Contribute to cloud transformation of a data-intensive analytical 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

English (Advanced)

Cloud experience

Tools

AWS

React

Redux

Context API

Web services

Job description

Sii Poland is seeking a Senior .NET Developer to help transform a data‑driven analytics platform in the cloud. You will design scalable architectures and modernize legacy components, applying SOA concepts and collaborating with a globally distributed team to deliver robust software solutions.

The role emphasizes high‑quality coding standards, continuous improvement, and close teamwork with engineers, analysts, and QA to meet business needs. English proficiency is required.