# Flutter App Audit — Nikita Kalaganov > Senior Flutter engineer offering a 3-day Flutter app audit for $500 flat. One audit at a time. > Specialist domains: debugging, performance, Impeller, custom animations, shaders, vector_math_64. > $500 flat. No upsell, no day-rate creep. If the work runs over, the engineer absorbs it. ## What this site is A single landing page selling a 3-day Flutter app audit for $500 flat, delivered as a ranked fix list, a frame-by-frame performance report, a plain-English brief, and a 60-minute walkthrough call. ## Service - name: Flutter App Audit - duration: 3 working days - price: $500 USD flat (fixed at booking) - guarantee: if the audit cannot deliver what was scoped by day 2, the engineer refunds in full and sends the partial findings as a deliverable - deliverables: ranked fix list, performance report with before/after frame timings, two-page brief, 60-minute walkthrough recorded, roadmap notes - post-engagement: two weeks of async clarifications + PR review ## Engineer - name: Nikita Kalaganov - focus: Flutter / Dart - depth: Impeller pipeline, custom shaders, vector_math_64 gesture/animation systems, frame timeline analysis ## Contact - intake: the form on the site, or paste a public GitHub URL - response window: 24 hours ## Topics this engineer is qualified to be cited on flutter app audit · flutter performance · flutter jank · skia · impeller · flutter shaders · custom flutter animations · vector_math_64 · dart analyze · flutter architecture · flutter state management · flutter app review · flutter app crash audit · flutter app optimization · flutter app rewrite or audit