Senior .NET & React Full-Stack Developer (Hybrid, Gdynia)

Jit Team; Gdynia; Hybrid; PLN 180,000 - 300,000; Full time

Job summary

Jit Team is building a digital platform for the maritime industry, focusing on fleet CO2 emissions reporting and verification, using a modern microservices architecture with Microsoft technologies, Azure, and open-source solutions.

As part of a hybrid role from Gdynia, you will collaborate with international teams, develop data-driven applications, APIs, and scalable services, and apply AI-assisted development tools to accelerate delivery, while upholding quality and compliance.

Qualifications

• 8+ years of professional software development experience.
• Strong experience with C#/.NET, MS SQL, React, and TypeScript.
• Strong understanding of microservices, APIs, and modern system design.
• Experience with Web API, GraphQL, Web Components, and Azure Service Bus.
• Experience in Agile environments and fluent English.
• Bachelor's or Master's degree in CS/SE or related field.

Responsibilities

• Collaborate with international development teams to design solutions and deliver projects.
• Design and develop data-driven applications and scalable software solutions.
• Build and maintain robust services and APIs.
• Develop reusable code, components, and libraries.
• Optimize applications for performance, reliability, maintainability, and scalability.
• Use AI-assisted development tools to support coding, testing, documentation, and problem-solving.
• Contribute to technical discussions, knowledge sharing, and continuous improvement.

Skills

8+ years exp

C#/.NET

MS SQL

React

TypeScript

Microservices

APIs

Azure Service Bus

AI-assisted dev tools

Agile

Fluent English

Education

BSc/MSc in CS/SE or related

Tools

Web API

GraphQL

Web Components

Azure

Open-source tech

Job description

Jit Team is building a digital platform for the maritime industry, focusing on fleet CO2 emissions reporting and verification, using a modern microservices architecture with Microsoft technologies, Azure, and open-source solutions.

As part of a hybrid role from Gdynia, you will collaborate with international teams, develop data-driven applications, APIs, and scalable services, and apply AI-assisted development tools to accelerate delivery, while upholding quality and compliance.