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Senior .Net FullStack Engineer

NIX

Hybrid
Poland
Full-time
Senior
5+ yrs
Salary not listedPosted 3d ago

Real job — pulled straight from NIX’s careers page · Verified October 23, 2026 · No reposts.

Job description

NIX is hiring a Senior .Net FullStack Engineer — a full-time, based in Poland role. Apply directly on NIX's careers page below.

Senior .Net FullStack Engineer

Location: Poland; Ukraine

Department: Orbus Team

We are looking for a Senior C# .Net Fullstack Engineer to help our Client develop AI-powered applications for AI Governance, Enterprise Architecture, Business Architecture, IT Portfolio Management, Process Analysis and a Digital Twin of the Organization to provide a unified, real-time view of your enterprise operating model. 

You will be joining a department of 70+ engineers across multiple teams, each with ownership for specific domains within our flagship SaaS based enterprise architecture product. Application components are built to run natively in Microsoft Azure, across a tech stack utilizing C# .Net 8, React, Typescript, CosmosDB, SQL, Containers and Kubernetes, with a Micro-frontend and Microservice architecture, continuously deployed to a multiregional highly available infrastructure. Public REST APIs make our platform the hub for numerous integrations to external services and applications.

We operate Scrum for day-to-day development activities, wrapped with quarterly strategic planning to set the vision and goals for the coming quarter. We follow leading development practices, incorporating TDD, automated CI/CD, a “shift-left” testing mindset and a focus on producing S.O.L.I.D maintainable code that can be released quickly and to a high quality. 

Core Responsibilities:

  • Collaborating with the Product Owner and the team to refine features, stories and acceptance criteria
  • Working with C#, .Net Core in an Azure Microservice environment
  • Developing and maintaining API Services
  • Working with multiple React, Micro-frontend web applications
  • Formulating solutions to technically challenging requirements
  • Adhering to existing coding standards and practices, and working with other technical leads to continuously improve these
  • Partaking in a culture of code reviewing and collaboration
  • Attending team meetings such as daily stand-ups, retrospectives, planning, refinements, and technical discussions
  • Partaking in presentations and code workshops

Requirements:

  • 5+ years of experience in C# .Net/Net Core 
  • SQL Server (T-SQL)
  • Performance optimization 
  • Azure native technologies (i.e. App Services, Functions etc.)
  • Integration and Unit Test experience supporting regular production releases
  • Strong understanding of object-oriented programming (OOP) and S.O.L.I.D principles
  • Experience with Scrum and development in an agile environment
  • Exposure to Micro-frontends and Microservices
  • Experience with AI tools and their application in software development
  • Experience of mentoring and guiding multi-discipline engineers
  • Strong communication skills

Nice to have:

  • Experience working on an existing production SaaS platform
  • Confidence with Git and branching strategies, versioning, dependency management
  • Domain Driven Design principles
  • Working in an automated continuous delivery environment
  • Containers, Kubernetes exposure

We offer*:

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits

*not applicable for freelancers

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Frequently asked questions

What skills are required for Senior .Net FullStack Engineer at NIX?

The required skills for Senior .Net FullStack Engineer at NIX include: C#, .NET, React, TypeScript, SQL, T-SQL, Kubernetes, Azure, REST, Microservices, Agile, Scrum, CI/CD, Git, AI.

What is the seniority level for Senior .Net FullStack Engineer at NIX?

Senior .Net FullStack Engineer at NIX is a Senior level position.

How do I apply for Senior .Net FullStack Engineer at NIX?

You can view the full description and apply for Senior .Net FullStack Engineer at NIX on EchoJobs: https://echojobs.io/job/nix-senior-net-fullstack-engineer-ssq12.