Senior Full-Stack Engineer: Build Impactful Vue/GraphQL/.NET

Nuxt; Kraków; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Hybrid Flexible Schedule

Discretionary Time Off

Quarterly Thrive-Wellness Days

Volunteer Time Off

Learning & Development Budget

Employee Recognition

Job summary

Invicti Security seeks a Software Engineer to own features end-to-end across Vue front-end, GraphQL API, and C#/.NET back-end services. You will work with Product and UX from day one, testing assumptions with evidence and delivering fast, accessible UI with a security-focused mindset.

You’ll design GraphQL schemas, build reusable components, and review AI-generated changes to ensure code quality. Hybrid work mode and collaboration with a global team are key aspects of this role.

Qualifications

• Strong SPA frameworks with reactivity, state management, routing, and component architecture.
• Backend fundamentals in C#/.NET: API design, auth, errors, performance.
• Experience with GraphQL and REST API integration.
• Proficiency in TS/JavaScript and modern CSS frameworks.
• Understanding of accessibility, performance metrics, and cross-browser compatibility.
• Customer-focused mindset and collaborative planning with product/UX.

Responsibilities

• Build customer-facing features across Vue frontend, GraphQL API, and .NET backend.
• Collaborate with Product and UX from the earliest stage; test assumptions with evidence.
• Ensure usability, accessibility, speed, and consistent UI feel.
• Assess feasibility of UI/UX designs and negotiate trade-offs with UX.
• Design/evolve GraphQL schemas for fast UI consumption.
• Build reusable components and UI libraries for design system.
• Review AI-generated code, tests, and designs; mentor teammates.
• Improve performance, scalability, and maintainability on client/server.

Skills

Vue 3

GraphQL

C#/.NET

TypeScript

Tailwind CSS

Accessibility (WCAG)

Async data flows

REST APIs

Tools

Vitest

Vue Test Utils

Playwright

Git

GitLab CI/CD

Docker

Kubernetes

AWS

Job description

Invicti Security seeks a Software Engineer to own features end-to-end across Vue front-end, GraphQL API, and C#/.NET back-end services. You will work with Product and UX from day one, testing assumptions with evidence and delivering fast, accessible UI with a security-focused mindset.

You’ll design GraphQL schemas, build reusable components, and review AI-generated changes to ensure code quality. Hybrid work mode and collaboration with a global team are key aspects of this role.