SonarQube Security & Code Quality Remediation Specialist - JavaScript/Python Summary We have a production-ready web application (health insurance platform) that requires immediate remediation of security vulnerabilities and code quality issues identified by SonarQube Cloud analysis. Current State: 4 projects analyzed (JavaScript, Python, TypeScript, PL/SQL) 20 total security vulnerabilities across all projects 3,900+ reliability bugs requiring triage and fix 36.6% code duplication in main application (124k lines) 2 of 4 projects currently failing SonarQube Quality Gate Your Mission: Fix all critical and high-severity issues to achieve production-ready code quality standards. Specific Deliverables: Security Remediation (Priority #1) Fix all 20 security vulnerabilities to zero critical/major issues Projects: coverlaunch (3 issues), coverlaunch_backend (13 issues), coverlaunch_ai_agent (2 issues), coverlaunch_frontend_admin (2 issues) Provide CVE references and fix explanations for each Reliability Bug Fixes Reduce coverlaunch from 3,500 bugs to under 500 (focus critical/major) Reduce coverlaunch_backend from 424 bugs to under 50 Triage and fix critical bugs in other two projects Code Duplication Reduction Reduce coverlaunch duplication from 36.6% to under 15% Refactor common patterns into shared utilities/components Quality Gate Compliance All 4 projects must show "Passed" in SonarQube Quality Gate Zero critical security vulnerabilities remaining Maintain existing functionality (no regressions) Documentation Detailed fix report with issue IDs, descriptions, and solutions Before/after SonarQube screenshots Regression testing results Technical Stack: Frontend: JavaScript, TypeScript, React (43k lines) Backend: Node.js, JavaScript, PL/SQL (52k lines) AI Agent: Python, Docker (4.8k lines) Main App: JavaScript, CSS (124k lines) Requirements: Proven track record with SonarQube remediation (show before/after examples) Strong JavaScript/Python security expertise Experience with OWASP Top 10 vulnerabilities Ability to refactor without breaking existing functionality Excellent communication and documentation skills Available to start immediately and complete within 1-2 weeks Nice to Have: Experience with healthcare/fintech compliance (HIPAA, PCI-DSS) CI/CD pipeline setup experience Docker containerization knowledge What We Provide: Full SonarQube Cloud access with detailed issue reports GitHub repository access Existing test suite (if available) Technical contact for business logic questions Engagement Terms: Fixed-price contract preferred (please provide quote based on scope) Or hourly with not-to-exceed cap Milestone-based payments: 30% start, 40% security complete, 30% final delivery 30-day warranty on all fixes To Apply, Please Include: Links to 2-3 similar SonarQube remediation projects (before/after scores) Your approach to handling security fixes without breaking functionality Fixed-price quote or hourly rate with estimated hours Earliest start date and completion timeline Any questions about the scope Note: We will conduct a brief video interview before hiring to discuss technical approach and ensure fit. Project Type: Complex project Estimated Budget: $3,000 - $8,000 (open to quotes) Duration: 1-2 weeks Experience Level: Expert Time Commitment: Full-time or part-time (flexible) Location: Worldwide (prefer overlap with US Eastern Time for check-ins) TOPTAL JOB POSTING Toptal has a more curated process — you submit a request and they match you. Here's the format: Toptal Client Request Form Project Title: SonarQube Security and Code Quality Remediation Project Description: We are preparing a health insurance web application for production launch and need an expert to remediate critical security vulnerabilities and code quality issues identified in SonarQube Cloud analysis. Background: Our overseas development team built a multi-component application consisting of: Main web application (124k lines, JavaScript/CSS) Backend API service (52k lines, Node.js/PL/SQL) AI agent service (4.8k lines, Python/Docker) Admin frontend (43k lines, TypeScript) SonarQube analysis revealed 20 security vulnerabilities and nearly 4,000 reliability bugs across the codebase, with 36.6% code duplication in the main app. Two of four projects are failing the SonarQube Quality Gate. Scope of Work: Security Hardening (Critical Priority) Remediate all 20 security vulnerabilities across 4 projects Address OWASP Top 10 categories: injection, authentication, sensitive data exposure, etc. Validate fixes with SonarQube re-scan Code Quality Improvement Reduce reliability bug count by 80%+ (focus on critical/major severity) Refactor duplicated code from 36.6% to under 15% Achieve passing Quality Gate on all projects Quality Assurance Ensure zero functional regressions Provide comprehensive fix documentation Deliver regression testing results Required Expertise: Deep SonarQube Cloud experience (not just on-premise)