Senior Software Engineer

Join an experienced team developing a global digital platform for the maritime industry. As a Senior Software Engineer, you will contribute to a product that helps shipowners and fleet operators manage data effectively, improve operational safety, and achieve their decarbonisation and CO₂-emission reduction goals.

This is a role for someone who wants to have a genuine impact on the product’s direction - from making architectural decisions and shaping business logic to building scalable features used by clients across the maritime sector.

You will work in an international environment alongside technology and domain experts with extensive experience, contributing to a platform that brings together data, applications, and digital services to support more efficient and sustainable maritime operations.

Key responsibilities

  • Extend and develop custom C# framework for workflow migration
  • Build and maintain frontend components
  • Writing technical documentations
  • Extending automated tests framework
  • Support pilot deployments with responsive issue resolution
  • Collaborate with stakeholders to validate solutions against business requirements
  •  Balance evolving pilot priorities with ongoing development work

Ideal candidate profile

  • Strong proficiency in .NET 8.0 and C# for building scalable microservices and extending custom frameworks
  • Frontend development with React.js and/or StencilJS (Web Components) 
  • Experience with event-driven architectures (Kafka, MassTransit)
  • Hands-on experience with Entity Framework Core and databases (PostgreSQL, MongoDB, SQL Server)  
  • Container orchestration (Docker, Kubernetes, Helm Charts)
  • RESTful APIs with ASP.NET Core (OpenAPI Standard)
  • Observability and monitoring (OpenTelemetry, Prometheus, Grafana)
  • Strong communication skills for technical documentation and customer interaction
  • Familiarity with Agile methodologies and CI/CD workflows (AzureDevOps, GitHub)
  • Experience with AI-assisted development tools (Microsoft Copilot)

Conditions

  • B2B cooperation - the contract will be signed with KUBO
  • Minimum 12-month engagement
  • 100% remote work, with 2-4 business trips per year to the office in Gdynia or Norway
  • Salary: up to 230 PLN/h
  • Non-salary benefits available from day one: private medical care, life insurance, 50% co-financing of the MultiSport card, and funding for cloud certification exams
  • Equipment will be provided by the client

Recruitment steps

  1. Screnning call with Recruiter (around 30 min.)
  2. Interview with Tech Lead (30 min.)
  3. Technical session with the Team (2h)
  4. Final meeting with Line Manager (30 min.)

Contact

About us

W KUBO naprawdę zależy nam na ludziach. Zapraszamy osoby w różnym wieku, o różnych tożsamościach
i sposobach funkcjonowania oraz niezależnie od sytuacji zdrowotnej i rodzinnej. Autentyczność jest dla nas wartością, a naszym celem jest uczciwy i otwarty proces dla wszystkich.

At KUBO, we genuinely care about people. We welcome candidates of all ages, backgrounds, identities, family constellations, health situations, and ways of thinking and interacting with the world. You’re welcome to be yourself — we value authenticity, and we’re committed to creating a fair and inclusive process for everyone.

ID: 1379 job_post.published_on: 07/09/2026
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