Software Engineer (FullStack .NET/React)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on the maritime industry developing a microservices-based web platform using Azure, .NET (C#), React, TypeScript, WebAPI GraphQL, NServiceBus, MS SQL. The main goal concerns analyzing and reporting fleet CO2 emissions supported by machine learning and AI. Responsibilities include designing, developing, testing, and deploying solutions on Azure, optimizing cost and performance, and building scalable, fault-tolerant systems. Compensation is 130-150 PLN net/h on B2B with medical care, life insurance, and Multisport benefits.

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Software Engineer (FullStack .NET/React)

Company: KUBO

from: 14 September 2026
to: 14 October 2026
130 - 150net (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:mid
working mode:hybrid
location:Gdynia, Pomeranian
Gdynia, Pomeranian

Requirements

Expected technologies

.NET
C#
React Native

Our requirements

  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).
  • 3+ years of professional experience in designing, developing, and delivering robust, scalable, and maintainable software solutions using the Microsoft technology stack, including: .NET (C#), React, TypeScript, WebComponents, WebAPI GraphQL, NServiceBus, MS SQL.
  • Strong understanding of microservice architecture, APIs, and modern system design principles.
  • Experience in the full lifecycle of the application.
  • Experience with agile development practices.
  • Fluent in English with strong communication skills to collaborate effectively across teams and stakeholders.

Your responsibilities

  • Design, develop, test, and deploy solutions using various tools and technologies
  • Create solutions that facilitate the usage and building of artificial intelligence workflows, optimizing them for cost and latency
  • Build solutions on top of Azure infrastructure that are user-friendly, scalable, fault-tolerant, and easy to manage

About the project

Join a global team focused on development in the maritime industry, which is working on building a web platform based on microservices, Azure cloud, and on-premise solutions. As the maritime industry faces the need to reduce CO2 emissions, the platform leverages machine learning and artificial intelligence to provide data and reports on fleet CO2 emissions, supporting end users in verifying this data and making informed decisions aimed at reducing greenhouse gas emissions.
As a consultant, you’ll work hybrid in Gdynia with a passionate, international team. Collaboration with team members is essential, involving regular discussions to brainstorm ideas and tackle complex problems. Testing and deploying solutions is a routine part of the job, with a focus on optimizing performance and reliability. You will also work on building scalable, fault-tolerant systems on Azure infrastructure, ensuring they are user-friendly and manageable.

This is how we organize our work

This is how we work

at the client's siteyou focus on a single project at a timeyou focus on product developmentagilescrum

Team members

fullstack developer
Company

What we offer

  • Work model: hybrid in Gdynia (2/3 days per week)
  • Salary: 130 - 150 PLN net/h
  • Employment type: B2B
  • Benefits: medical care, life insurance, trainings, Multisport card

Benefits

  • sharing the costs of sports activities
  • private medical care
  • life insurance

Recruitment stages

  • 1.
    Phone call with Recruiter (20min.)
  • 2.
    intInterview with the client (may require 2 rounds)
  • 3.
    Feedback and decision
Software Engineer (FullStack .NET/React)
130–150 zł / hr. (B2B)
I apply to:
KUBO
Gdynia, Pomeranian
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