Senior .NET Full Stack Engineer (with Angular) (#6030)

N-iX LTD; Polska; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Flexible working format

Competitive salary

Mentorship program and tech talks

Active tech communities

Job summary

N-iX LTD is seeking a Senior .NET Full Stack Engineer (with Angular) to join a modern AI-first, EU-focused project in a flexible Office/Remote setup. You will work on high-performance, API-driven systems for automotive industry integrations, collaborating across leadership, architecture, quality, product and project management.

The role emphasizes building scalable backend services, RESTful APIs, and secure data exchange, with strong emphasis on Scrum practices and team collaboration.

Qualifications

• 5+ years of experience with the Microsoft stack including .NET C# and SQL Server.
• Strong API design experience and backend integrations.
• Hands-on experience integrating with third-party systems.
• Understanding of OAuth2, JWT and API keys.
• Experience with asynchronous or event-driven patterns.
• Scrum experience in various contexts; distributed development is common.
• Up to 1 year of experience with AI.

Responsibilities

• Work on business requests and development improvements.
• Develop, test, document and maintain backend, scalable and reusable code.
• Provide realistic estimates for requests, fixes and new ideas.
• 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.

Skills

C# / .NET

Angular

SQL Server

API design

Backend integrations

OAuth2 / JWT

Async / event-driven

AI exposure (1 yr)

Scrum

Job description

• Senior .NET Full Stack Engineer (with Angular)

Senior .NET Full Stack Engineer (with Angular) (#6030)

European Union, Ukraine

Work type:

Office/Remote

Technical Level:

Senior

Job Category:

Software Development

Project:

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, witha proven history of building high-performance apps with a strong focus on systemintegrations 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 andreusable code
• Provide realistic estimates for requests, fixes and new ideas
• Write clear and precise technical documentation
• Manage realistic work deadlines
• Participate in all the scrum ceremonies and be part of the team performance andcontinuous 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 exchangeapproaches

Knowledge and Experience:

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

• Able to think outside the box (open thinking)
• Strong ability to work effectively in a team. Collaborating, motivating and energizingothers (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

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing