Worldwide Placement Limited

Senior Full Stack Engineer

Worldwide Placement Limited

full-time

Posted on:

Location Type: Hybrid

Location: Berlin • Germany

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Job Level

Senior

Tech Stack

ElectronJavaScriptReactReduxSCSSTypeScript

About the role

  • Own End-to-End Features: Take complete ownership of features from conception to deployment, making architectural decisions that impact both frontend and backend systems
  • Real-time Features: Implement WebSocket-based real-time capabilities for seamless user experiences
  • AI Integration: Work closely with their AI services, integrating cutting-edge models into their product workflows
  • Make Independent Decisions: They trust you to make technical decisions without constant oversight - from choosing libraries to architecting new features
  • Rapid Iteration: Ship features quickly while maintaining code quality in a fast-paced AI landscape where capabilities evolve weekly

Requirements

  • 6+ years professional software development experience, ideally with full product-lifecycle ownership
  • Deep React.js knowledge: component lifecycle & architecture, Redux/Context/Zustand state-management, hooks (standard & custom), performance tuning, modern JS, HTML5, CSS3/SASS
  • Typescript proficiency – writing fully type-safe, maintainable code
  • Performance-obsessed front-end mindset: lazy loading, code-splitting, caching strategies, general web-app optimisation
  • Solid grasp of browser APIs (localStorage, sessionStorage, IndexedDB) for offline-first experiences
  • Electron expertise: main/renderer process architecture, native OS integration, auto-update flows, security best-practices for desktop apps
  • Version-control mastery with Git: branching strategies, merge-conflict resolution, code-review workflows, CI/CD integration
  • Strong problem-solving & debugging skills: use of Chrome DevTools / IDE debuggers, bottleneck analysis, comprehensive automated test suites
  • Clear communicator & collaborator: well-structured technical documentation, constructive code-reviews, mentoring, cross-functional teamwork
  • Autonomous mindset: self-directed, decisive, comfortable with ambiguity, writes clean well-tested code without micromanagement
  • Adaptable & AI-ready: experience consuming AI/LLM APIs and designing reliable systems around probabilistic outputs; eagerness to explore emerging models
  • Real-time/WebSocket implementation experience for seamless live collaboration features
Benefits
  • Health insurance
  • Flexible work arrangements
  • Professional development opportunities
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
React.jsTypescriptWebSocketElectronGitHTML5CSS3SASSperformance tuningbrowser APIs
Soft Skills
problem-solvingdebuggingclear communicationcollaborationautonomous mindsetadaptabilitymentoringconstructive feedbackcross-functional teamworkdecision-making