Senior Frontend Developer – Tech Lead

Uvation

. Own technical direction for complex front-end features .

Posted 10/7/2026contractRemote • PolandSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates advanced expertise in React, Next.js, and TypeScript, with a strong focus on designing scalable front-end architecture and reusable component libraries. Proven ability to lead technical direction, mentor teams, and implement performance solutions for complex front-end features.

Highest-signal resume keywords

React DevelopmentNext.js DevelopmentTypeScript ProficiencyFront-End Architecture DesignState Management Expertise

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactNext.jsTypeScriptZustandRedux ToolkitHTMLCSSSCSSREST API IntegrationWebGL

Soft Skills

Technical LeadershipMentoringTask BreakdownEstimationTechnical Documentation

Tools & Technologies

IBM CarbonMaterial UIVitestJestReact Testing LibraryAzure DevOpsGSAPFramer MotionPlaywrightCI/CD Pipelines

Industry Keywords

Front-End SecurityInternationalisationLocalisationMicro-FrontendsDesign-System Governance

Tech Stack

Tools & technologies

AzureJavaScriptJestMaterial UINext.jsReactReduxSCSSTypeScript

About the role

Key responsibilities & impact

Own technical direction for complex front-end features
Support the team through design decisions, reviews and mentoring
Develop React and Next.js front-end features
Design front-end architecture, performance solutions and integrations
Build interactive graphics and map-based interfaces
Contribute to technical discovery and proof-of-concept work for complex interactions

Requirements

What you’ll need

Advanced experience with React, Next.js, TypeScript and modern hooks-based component design
Ability to design scalable front-end architecture with a single source of truth and clear boundaries between UI, business logic and data access
Experience designing reusable component libraries and governing consistent component APIs
Deep experience with Zustand, Redux Toolkit or an equivalent state-management approach, including efficient selector design
Strong HTML, CSS and SCSS skills, including responsive design, accessibility and style isolation
Experience implementing interfaces from detailed visual specifications and using design systems such as IBM Carbon or Material UI
Strong REST API integration experience, including typed models, adapters, polling and defensive handling of missing or inconsistent data
Experience defining or validating API contracts with backend teams and applying contract-testing principles
Demonstrated performance expertise, including profiling, memoisation, code splitting, lazy loading and bundle analysis
Awareness of frame rate, GPU utilisation and memory behaviour on graphics-heavy screens
Hands-on experience with WebGL, three.js or React Three Fiber, including scene and camera control, pointer picking and animation timelines
Experience managing events and interaction across layered UI and graphics surfaces
Experience integrating map SDKs, handling coordinate systems, implementing provider fallbacks and managing API tokens safely
Ability to build components that integrate into an existing host application through clean props and callbacks, isolated styles and no unintended global side effects
Strong testing experience with Vitest or Jest and React Testing Library, supported by a practical test strategy
Experience with strict TypeScript, error boundaries, cross-browser testing and browser DevTools
Experience contributing to CI/CD pipelines, Git workflows and high-quality pull-request reviews
Experience with Azure DevOps
Proven technical leadership through mentoring, task breakdown, estimation and technical documentation
Understanding of front-end security fundamentals, including secure environment configuration, safe logging and responsible third-party dependency use
Experience with advanced animation libraries such as GSAP or Framer Motion
Experience with charting and data-visualisation libraries
Experience with visual regression testing or end-to-end testing using Playwright
Experience with internationalisation and localisation at scale
Familiarity with micro-frontends, monorepos or design-system governance
Experience with production observability, release support and incident investigation
Experience leading technical discovery or proof-of-concept work for complex interactions