Senior .NET Full Stack Engineer (with Angular)

Nix · Poland · Engineering

Posted 2026-11-04

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This is a great opportunity for an experienced Senior Full Stack Developer to join our Software Development team, being part AI oriented team. Our team includes technical leadership, development, architecture, quality, product and project management roles.

We are looking for a Senior Full Stack Developer comfortable with C# and Angular, with a proven history of building high-performance apps with a strong focus on system integrations and API-driven solutions.

Our clients are developing a modern B2B platform for the automotive industry, designed to digitalize and simplify complex business processes. The solution connects different stages of the automotive service and procurement journey, replacing fragmented and manual activities with more streamlined digital workflows. The project operates in the European market and is being designed with further growth and scalability in mind. This is AI First project with massive usage of AI DLC practices.

Key Responsibilities:

Work on business requests and development improvements

Develop, test, document and maintain our application back end build scalable and reusable code

Provide realistic estimates for requests, fixes and new ideas

Create unit tests

Write clear and precise technical documentation

Manage realistic work deadlines

Participate in all the scrum ceremonies and be part of the team performance and continuous improvement

Design and maintain integrations between internal and external systems

Develop and evolve RESTful APIs used for system-to-system communication

Ensure reliability, performance, and data consistency across integrations

Own integration-related technical decisions, including security and data exchange approaches

Knowledge and Experience:

5+ years of experience of Microsoft development stack including; .NET C#, SQL Server T-SQL

Important: .Net Core, SQL Server, HTML, CSS, JavaScript, Git, Angular, Azure, SOLID principles, Microservices architecture, Design principles, Jira

Strong experience in API design and backend integrations

Hands-on experience integrating with third-party systems

Good understanding of authentication and authorization mechanisms (OAuth2, JWT, API keys)

Experience with asynchronous or event-driven communication patterns

Ideally, you will have experience working with Scrum methodology in a variety of contexts; different team sizes, organizational cultures, distributed development, etc.

Up to 1 year of experience with AI

Personal Attributes:

Self-organizing problem solver

Able to think outside the box (open thinking)

Strong ability to work effectively in a team. Collaborating, motivating and energizing others (Team player)

Encourage and drive others to deliver high-quality, cutting-edge software

You will have attention to detail and have a proactive ethos

Always looking for continuous improvement

Excellent verbal and written communication skills, in English

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