
Yasin Varan
Senior Software Architect
Kompetenzen

Meine Dienstleistungen

Arbeitserfahrung
Senior Software Architect
Toptal • Freiberufler
Apr 2026 - Present • 3 mos
• Lead discovery, solution architecture, and delivery planning for enterprise SaaS, fintech, and Web3 engagements using .NET 8/9, React/Next.js, and Python AI services, reducing average client time-to-market by 35%. • Design API-first service boundaries, asynchronous workflows, and resilient data models for platforms handling 5M+ daily events, with observability and recovery controls that protect transaction integrity. • Build identity and access management patterns with Auth0, JWT/OAuth2, and granular role-based access control (RBAC), supporting distributed applications with more than 50,000 daily active users. • Integrate production RAG pipelines, vector search, and evaluation workflows into document-heavy business operations, improving search relevance and document-discovery accuracy by 25%. • Establish cloud delivery standards across Docker, GitHub Actions, Terraform, and monitored release pipelines; improve release confidence through automated checks, rollback planning, and measurable SLOs. • Create architecture decision records, non-functional requirements, and risk registers that align delivery teams on scalability, security, recovery, and cost-management priorities before implementation begins. • Partner with product, design, and engineering leaders to turn ambiguous requirements into phased technical roadmaps, reducing rework and improving delivery predictability by 20%.
Freelance Web Solutions Architect
Squarespace • Freiberufler
Dec 2023 - Jan 2026 • 2 yrs 1 mo
• Designed and launched 20+ bespoke marketing, e-commerce, and service websites for startups and small businesses using Squarespace, custom CSS/JavaScript, and API-based integrations. • Connected scheduling, CRM, email marketing, analytics, and Stripe payment tools through secure webhooks and custom code, reducing client administrative handoffs and manual updates. • Improved mobile performance, accessibility, and search readiness; client sites achieved an average 30% improvement in page-speed index scores after optimization work. • Migrated 15 WordPress and Wix sites while preserving content hierarchy, redirect maps, analytics continuity, and historical SEO equity.