Backend & Integration Engineer

Designing software bridges between data, devices and people.

Remote/Hybrid • SK/EU

Focus

C#/.NET · ASP.NET · React · SQL · OPC UA · SCADA · S7 communication

APIs · event-driven pipelines · real-time data

About me

Industrial software engineer with a backend mindset. I build .NET APIs, data services and dashboards that integrate shop‑floor signals (OPC UA/SCADA, S7) with enterprise layers (SQL, reporting). The goal is simple: measurable impact, maintainable systems, clear ownership.

.NET • REST/JSON • SQL • OPC UA • SCADA (Ignition) • React • CI/CD

Projects

Estimation API & UIASP.NET · React · n8n

API‑driven cost estimation with automation workflows.
  • .NET Web API + React front‑end; n8n for orchestration/AI assists.
  • Impact: Faster quotes, higher estimate accuracy.

Advisor CRMASP.NET · React · SQL

Client profiles, scheduling, portfolio snapshots.
  • Role‑based access, calendar integration, exportable reports.
  • Impact: Improved advisor time management.

Change Management PlatformC# · SQL · ASP.NET · React

Auditable parameter changes with approvals & notifications.
  • Diff views, PDF export, SMTP notifications, Operator/Engineer roles.
  • Impact: Strong traceability; response time −70%.

Plant Telemetry GatewayIgnition · OPC UA · SQL

Real‑time data collection and alerting to reduce MTTR.
  • Historian tags, alarm routing, dashboards for status visibility.
  • Impact: Quicker incident response across shifts.

Takt & Throughput DashboardKepServer · C# · SQL

OPC UA readout with takt/ETA and changeover awareness.
  • Thin client UI (no dedicated HMI); shop‑floor friendly.
  • Impact: Better information flow in production.

S7 Telemetry ServiceS7.Net · C#

Direct S7 register reads with resilient retries & caching.
  • Fallback when OPC is unavailable; lightweight operator UI.
  • Impact: Faster decisions, lower risk of errors.

Quality Zones SignageC# · SQL · OPC

Dynamic content based on live production context.
  • Real‑time zone switching; media sourced from DB.
  • Impact: Claims reduced by ~40%.

Line Analytics MicroserviceC# · OPC

Line status aggregation, hourly charts, bottleneck hunt.
  • Impact: Optimization time reduced by ~70%.

Integrations

VFD Telemetry BridgeOPC UA

Frequency drives telemetry & operator UI refactor.
  • Consolidated tags, simplified UX for maintainers.
  • Outcome: Improved system uptime.

SINAMICS RetrofitSINAMICS S120 · S7‑300

Re‑platformed servo control; integration‑safe PLC changes.
  • Deterministic motion data exposed to upper layers.
  • Outcome: Lower unplanned downtime.

Double‑Silo Control ServiceS7‑1200

Automated feed control; monitored in hazardous environment.
  • Rule‑based logic with operator overrides.
  • Outcome: Less manual intervention.

Retention Ring VisionKeyence IV4

Vision signal → data layer; early defect prevention.
  • Outcome: Defects (NOK) −70%.

Blanking Plug VisionS7‑1200

Sensors & AI cameras synced across 6 stations.
  • Prevents foreign‑object ingress; signals surfaced to UI.
  • Outcome: Claims −25%.

EV Battery Temp ScreeningS7‑1500

Thermal cameras with alerting and emergency signaling.
  • Logistics alerts; fire‑dept link; pre‑assembly check.
  • Outcome: Reduced safety risk.