FrontEnd React Developer for ABIS Criminal Investigation (Mid Level)

Bratislava, Bratislavský kraj
2 700 - 4 000 € za mesiac
Práca na zmluvu/dohodu
Plný úväzok

Pred 29 dňami
Bez námahy pošlite žiadosť

Type of employment: Fulltime OR ContractorSalary: 2700 - 4000 Eur/Month (depending on the offered job level, your professional, technical skills, knowledge, education and work experience)Why This Job Is Exciting:You’ll be part of a talented team solving real-world challenges in the field of biometrics and identity verification. Our development culture values clean architecture, quality code, strong ownership, and meaningful work.You’ll be joining the ABIS* for Criminal Investigation team, a dedicated group of professionals developing cutting-edge forensic software that supports police departments and law enforcement agencies around the world in solving crimes and enhancing public safety.*Automated Biometric Identification SystemYour Journey with Us:Within one month, you will…

Get familiar with our technical infrastructure, architecture, and workflows
Complete onboarding and set up your development environment
Start building relationships across teams and functions

Within three months, you will…

Actively participate in code reviews and share constructive feedback
Understand core business logic and collaborate with stakeholders
Contribute independently to feature development, bug fixes, and improvements

Within six months, you will…

Partake in technical discussions and implement complex features
Take ownership of significant parts of our frontend architecture
Identify and address performance and scalability challenges
Mentor junior developers and promote high coding standards

RequirementsAbout You:We’re looking for an experienced FE Developer to help us build, maintain, and scale our modern applications. This is a high-impact role for someone who thrives in a collaborative environment and wants to contribute not only through hands-on development, but also by shaping architecture, mentoring others, and driving best practices.Qualifications:

Proven experience in FE development

Solid knowledge of React (TypeScript)
Comprehensive understanding of component-based architecture, React hooks, and state management (e.g., Context API, Redux).
Familiarity with front-end unit testing (Jest/Vitest)
Strong CSS skills (e.g., Styled Components, Stitches or similar CSS-in-JS solution), attention to detail in implementing pixel-perfect designs based on Figma prototypes
Familiarity with GraphQL, REST APIs, and CI/CD pipelines
Comfortable working in Agile teams and collaborating via tools like GitLab and Jira

Nice to have:

Experience with Storybook library and managing design-system
Basic web security practices such as XSS/CSRF protection, CSP setup, and secure token (JWT/OAuth) handling
Experience with performance profiling
Knowledge of image transformations using matrices (e.g., scaling, rotating, translating graphics via CSS/SVG and transforms) and Canvas..
Familiarity with E2e testing (Playwright).
Background in UX research or design thinking

Techstack

React, TypeScript

‘redux-toolkit’ for global state management
‘tanstack-query’ used for fetching data via GraphQL and REST API
Frontends monorepo orchestrated with Turborepo and pnpm

All apps are bootstrapped with Vite
Vitest is used for unit tests
Playwright for E2E tests
CSS: Our design system built on top of Stitches and Radix UI components

Visual tests run in Chromatic

GitLab CI/CD

Innovatrics