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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on cloud transformation of a large data-intensive analytical platform. Key technologies are .NET, AWS, and frontend with React (Redux, Context API). Responsibilities include designing scalable architectures, modernizing legacy components, applying SOA, proposing and implementing modern frameworks and architectural improvements, and providing user support. Requires at least 5 years of .NET experience and advanced English.
from: 28 September 2026
to: 28 October 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:senior
working mode:remote • hybrid • full office
Białystok, Centrum
Requirements
Expected technologies
.NET
Web Services
AWS
Redux
Context API (React)
Optional technologies
C#
Microsoft Windows
Our requirements
- Minimum 5 years of experience in software development with a strong focus on .NET technologies
- 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
Optional
- Experience with C#
Your 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 closely with a team of software engineers, analysts, and quality engineers to design and build software solutions that meet business needs
- Adhering to team design and coding procedures and standards
About the project
We are looking for a Senior .NET Developer to join our team and contribute to the cloud transformation of a data-intensive analytical platform. In this role, you will collaborate with innovative and diverse professionals from around the world, designing scalable architectures and modernizing legacy components to ensure performance and reliability.
This is how we work
Senior .NET Developer with AWS and React (f/m/x)
I apply to:
Sii Sp. z o.o.
Białystok, Centrum
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