Senior .NET/React Full-Stack Engineer — AI SaaS Lead

APPSTREAM STUDIO LLC; Olsztyn; On-site; PLN 218,000 - 291,000; Full time

Job summary

A leading innovation consultancy in Poland is seeking a Senior Full-Stack Engineer to lead the design and development of their AI-powered platform. You will work with a small, experienced team to enhance services and integrate cutting-edge features. Candidates should have extensive experience in .NET and React, alongside strong skills in Azure and cloud solutions. This role offers 100% remote work and opportunities for career growth.

Benefits

Remote work opportunities

Flexible working time

Integration events

Qualifications

• 5+ years of professional experience in .NET / C#.
• 3+ years of experience in React / TypeScript.
• Strong command of Azure cloud services and CI/CD pipelines.

Responsibilities

• Lead the design and development of modern full-stack applications using .NET 8, C#, and React.
• Integrate cutting-edge AI features using Semantic Kernel and GenAI APIs.
• Mentor a tight-knit team (1–2 developers), take ownership of code reviews.

Skills

.NET

C#

React

TypeScript

SQL

Azure

Tools

Entity Framework Core

GitHub Actions

Docker

Job description

A leading innovation consultancy in Poland is seeking a Senior Full-Stack Engineer to lead the design and development of their AI-powered platform. You will work with a small, experienced team to enhance services and integrate cutting-edge features. Candidates should have extensive experience in .NET and React, alongside strong skills in Azure and cloud solutions. This role offers 100% remote work and opportunities for career growth.