FrontEnd React Developer (Medior)

Responsibilities

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 System

Your 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

Candidate requirements

About 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