Senior Full Stack Developer

co.brick talents — powered by AI, powered by people. For our client, we are looking for an experienced Senior Full Stack Developer (Angular + Laravel) to take ownership of a business-critical application, drive a structured handover, lead security remediation, and stabilize the platform.Role DetailsContract Type & Rate: B2B contract, 110 – 130 PLN/h netWorking Hours: Core working hours until 17:00 + rotating on-call support until 20:00 (shared with another developer)Language Requirement: English (fluent written and spoken)Key ResponsibilitiesTransition & Handover: Participate in structured knowledge transfer with outgoing contractors under NDA, review technical docs, fix local dev setups (e.g., missing .env.example, proxy issues), and establish baseline metrics.Security & Risk Remediation: Execute incident-grade response activities including Firebase key revocation/rotation, Git history secret purging, CORS restrictions, rate limiting on auth endpoints, and security audits.Stabilization & Development: Investigate and resolve production issues, optimize performance and maintainability, assist business stakeholders, and deliver future platform enhancements.RequirementsMust-Have:Strong commercial experience with Angular (v2+)Practical knowledge of NgRxStrong knowledge of Laravel & solid experience with PHPStrong TypeScript skills & experience working with MySQLHands-on experience taking over and maintaining existing applicationsPractical understanding of web application security best practicesAbility to work independently and drive technical improvementsNice-to-Have:Experience with FirebaseSecurity audit and remediation experienceKnowledge of CI/CD and DevOps practicesExperience defining and tracking engineering KPIsExperience working on software transition, handover, or system stabilization projectsAplikujID: 751