Senior Full-Stack Engineer — AI-driven, end-to-end features

Invicti; Polska; 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

Employee Recognition

Job summary

Invicti is seeking a Software Engineer to own features end-to-end across Vue frontend, GraphQL API, and C#/.NET backend. You will work with Product and UX from Day One to validate requirements, test assumptions, and deliver customer-focused solutions.

You’ll maintain fast, accessible interfaces and design scalable API schemas while collaborating with teammates to raise code quality. You’ll build reusable components, leverage AI-assisted tools wisely, and contribute to performance and security

Qualifications

• Strong SPA fundamentals: reactivity, state management, routing, component architecture.
• Back-end fundamentals in C#/.NET: API design, authz, error handling, performance.
• Asynchronous data flows, caching, API integration over GraphQL/REST.
• Modern CSS, responsive layouts, Tailwind CSS, design tokens.
• Customer-first mindset: use data/feedback to judge feature impact.
• Ownership: quality from design to production.
• Eagerness to learn new frameworks and AI tools.
• Clear written and spoken English.

Responsibilities

• Build customer-facing features across Vue frontend, GraphQL API, and C#/.NET back-end services.
• Collaborate with Product Managers and UX from earliest stage to maximize customer value.
• Maintain usability, accessibility, speed, and visual consistency of the product.
• Assess feasibility of UI/UX designs and trade-offs with UX team.
• Design and evolve GraphQL schemas for fast UI access and server efficiency.
• Create reusable UI components, composables, and libraries for shared UI packages.

Skills

SPA frameworks

C#/.NET

TypeScript

Vue 3

GraphQL

CSS/Tailwind

UI architecture

Code reviews

English

Tools

GraphQL

PostgreSQL

Docker

Kubernetes

AWS

Vite

pnpm

Job description

Invicti is seeking a Software Engineer to own features end-to-end across Vue frontend, GraphQL API, and C#/.NET backend. You will work with Product and UX from Day One to validate requirements, test assumptions, and deliver customer-focused solutions.

You’ll maintain fast, accessible interfaces and design scalable API schemas while collaborating with teammates to raise code quality. You’ll build reusable components, leverage AI-assisted tools wisely, and contribute to performance and security