Senior Full-Stack Engineer - Vue/GraphQL/.NET + AI

Invicti Security; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid Flexible Schedule

Discretionary Time Off

Quarterly Thrive-Wellness Days

Volunteer Time Off

Learning & Development Budget

Job summary

Invicti Security is seeking a skilled Software Engineer to own features end-to-end—from Vue frontend to GraphQL and C#/.NET backend. You will work with Product and UX from the earliest stage, validate requirements with evidence, and ship usable, accessible, and fast software.

You will design GraphQL schemas, build reusable UI components, and help shape the team’s AI practices while improving performance and maintainability across client and server. Collaboration and mentorship are key to success.

Qualifications

• Experience with SPA frameworks and Vue 3 is preferred.
• Strong back-end fundamentals in C#/.NET and API design.
• Familiarity with GraphQL, REST, and data flow architectures.
• Proficiency in modern CSS (Tailwind) and accessibility standards.
• Proven ability to collaborate with product and UX from early stages.

Responsibilities

• Build customer-facing features across Vue frontend, GraphQL API, and C#/.NET backend.
• Collaborate with Product and UX to validate requirements with evidence.
• Maintain performance, accessibility, and design consistency.
• Design GraphQL schemas and evolve UI libraries and design system.
• Review AI-generated code and participate in AI governance.
• Mentor teammates and contribute to code quality through reviews.

Skills

SPA frameworks

C#/.NET fundamentals

GraphQL integration

Tailwind CSS

Accessibility WCAG

English communication

Tools

Vue 3

Apollo Client

Playwright

GitLab CI/CD

Docker

Job description

Invicti Security is seeking a skilled Software Engineer to own features end-to-end—from Vue frontend to GraphQL and C#/.NET backend. You will work with Product and UX from the earliest stage, validate requirements with evidence, and ship usable, accessible, and fast software.

You will design GraphQL schemas, build reusable UI components, and help shape the team’s AI practices while improving performance and maintainability across client and server. Collaboration and mentorship are key to success.