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Vitaliy KostetskyyVK

Vitaliy Kostetskyy

Software Engineer

680 €/jour
Almere, NL
15 ans et +

Délai de réponse moyen : 1h

À propos de Vitaliy

Ik ben een Senior Software Engineer met brede ervaring in C#, .NET, WPF, Azure en industriële softwareontwikkeling. Ik heb gewerkt aan bedrijfskritische systemen binnen internationale organisaties zoals Shell, ASM en Baker Hughes, waarbij ik legacy-applicaties moderniseerde, nieuwe functionaliteit ontwikkelde en complexe businesslogica vertaalde naar stabiele softwareoplossingen.

Mijn kracht ligt in het snel begrijpen van technische en operationele processen, het zelfstandig realiseren van oplossingen en het leveren van software die direct waarde toevoegt voor de organisatie. Ik werk graag aan opdrachten waar analyse, ontwikkeling en verbetering van bestaande systemen samenkomen.
  • Anglais

    Bilingue ou natif

  • Néerlandais

    Capacité professionnelle limitée

Accepte de travailler sur site
Almere (jusqu’à 50 km)

Expériences

  • ColorInvent
    Senior Full-Stack Software Engineer / Partner
    janvier 2025 - Aujourd'hui (1 an et 5 mois)
    Almere, Netherlands
    • • Architecting and leading development of a multi-product SaaS portfolio spanning AI-driven color matching (CiMatch), point-of-sale (CiAtlas), and color data management (CSS).
    • • Driving end-to-end product delivery — from system design and API development to front-end SPA implementation —
    accelerating the company's time-to-market.
    • • Defining IT strategy, cloud infrastructure, and engineering best practices as a founding technical partner.
    • • Spearheading integration of AI/ML color-matching capabilities, extending platform accuracy beyond legacy spectrophotometer limitations. C#, .NET 8, ASP.NET WebAPI, Angular, MudBlazor, MongoDB, WPF, ELK, Azure
  • Shell —
    Senior Full-Stack Software Engineer (Freelance)
    août 2023 - septembre 2024 (1 an et 1 mois)
    Netherlands
    • • Doubled simulation data API retrieval performance (2x throughput) through targeted profiling and algorithmic refactoring in a geological modeling platform serving petrotechnical engineers.
    • • Eliminated third-party API dependency risks by refactoring system to use only official supplier endpoints, improving long-term maintainability.
    • • Diagnosed and resolved critical WPF UI defects caused by reverse-engineered third-party library issues, restoring stable production operation.
    • • Streamlined CI/CD pipelines and conducted systematic code reviews, reducing build times and improving code quality across the team.
    • • Delivered proof-of-concept features that were adopted into the production roadmap.
    Technologies: C#, .NET 6, ASP.NET WebAPI, MongoDB, WPF, ELK, Azure DevOps
  • ASM
    Senior Java Software Engineer
    mai 2022 - juillet 2023 (1 an et 2 mois)
    Netherlands
    • • Improved reactor temperature control accuracy to meet strict ±5°C tolerance in a high-stakes semiconductor furnace control system, directly supporting production yield.
    • • Implemented vacuum leak-rate detection algorithm using Kalman filtering, achieving 10% accuracy within 10 seconds —
    enabling rapid process diagnostics.
    • • Designed and built process model simulations for control validation, reducing reliance on costly physical test runs.
    • • Prototyped an internal reactor video surveillance system with real-time anomaly detection, improving process safety and incident response.
    Technologies: Java 8, Python, Matlab, VLC

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Formations

  • Machine Learning Specialization — Coursera
    Machine Learning Specialization — Coursera
  • MCSD: Web Applications — Microsoft
    MCSD: Web Applications — Microsoft

Compétences

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