Review production systems built since 2018: back-office consoles, data synchronization engines, and batch billing automation. Projects range strictly from $5,000 to $50,000 per build, deployed in 1 to 2 weeks for initial operational release.
Replaced spreadsheet coordination with a centralized web service. Features role-based field dispatching, live truck GPS status feeds, and direct PDF manifest compilation. Initial staging deployed in 11 days.
Synchronizes 140,000 inventory items between proprietary legacy warehouse SQL and modern commerce APIs. Includes Redis deduplication, automated schema validation, and Prometheus metrics telemetry.
Custom accounting pipeline executing nightly automated ledger audits, payment gateway webhooks, and tax reconciliation. Reduced monthly closing overhead from 4 days to 18 minutes.
Secure client portal for subcontractor compliance verification, insurance certificate uploads, and automated milestone approvals. Replaces external licensing SaaS with proprietary code ownership.
Refactored unindexed third-party endpoints causing timeout cascades. Implemented structured Redis caching and query batching, reducing average latency from 2,800ms down to 110ms.
Production maintenance contract for a regional distribution service. Covers 24/7 automated Grafana error triggers, monthly security patches, and guaranteed under 2-hour SLA incident resolution.
Every deliverable above was architected and committed directly by Ivan Petrov. Our clients maintain root ownership of their GitHub or GitLab repositories, cloud hosting environments, and database migrations. We do not lock you into proprietary platforms or offshore subcontracting tiers.
Every engagement follows transparent commercial models. We do not offer speculative design competitions or unverified fixed bids.
Data models, API routes, and staging environment initialized within 3 to 4 business days.
Core business logic verified against actual staging datasets with full staff walkthrough.
Zero-downtime DNS deployment, Prometheus and Sentry monitoring configured, full repository keys delivered.
Silverpatway delivers operational software for established businesses that have outgrown off-the-shelf spreadsheets, unmaintained WordPress plugins, or generic SaaS subscriptions with prohibitive per-seat licensing fees.