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I am an accomplished Senior Software Engineer with 20+ years of experience architecting and delivering high-performance, cloud-native software across industrial automation, color science SaaS, energy, and semiconductor sectors. I specialise in full-stack .NET/C# and Java development, microservices on Azure, and performance optimization. I translate complex business requirements into scalable, maintainable solutions, mentor teams, and drive engineering excellence in Agile environments. I have delivered measurable impact: API throughput gains, sub-10-second precision algorithms, and enterprise-grade CI/CD pipelines. I thrive in collaborative settings and enjoy turning complex ideas into practical software that customers love.…I am an accomplished Senior Software Engineer with 20+ years of experience architecting and delivering high-performance, cloud-native software across industrial automation, color science SaaS, energy, and semiconductor sectors. I specialise in full-stack .NET/C# and Java development, microservices on Azure, and performance optimization. I translate complex business requirements into scalable, maintainable solutions, mentor teams, and drive engineering excellence in Agile environments. I have delivered measurable impact: API throughput gains, sub-10-second precision algorithms, and enterprise-grade CI/CD pipelines. I thrive in collaborative settings and enjoy turning complex ideas into practical software that customers love.

Vitaliy Kostetskyy

Full Stack Developer, Web Developer, Programmer, +1

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I am an accomplished Senior Software Engineer with 20+ years of experience architecting and delivering high-performance, cloud-native software across industrial automation, color science SaaS, energy, and semiconductor sectors. I specialise in full-stack .NET/C# and Java development, microservices on Azure, and performance optimization. I translate complex business requirements into scalable, maintainable solutions, mentor teams, and drive engineering excellence in Agile environments. I have delivered measurable impact: API throughput gains, sub-10-second precision algorithms, and enterprise-grade CI/CD pipelines. I thrive in collaborative settings and enjoy turning complex ideas into practical software that customers love.…I am an accomplished Senior Software Engineer with 20+ years of experience architecting and delivering high-performance, cloud-native software across industrial automation, color science SaaS, energy, and semiconductor sectors. I specialise in full-stack .NET/C# and Java development, microservices on Azure, and performance optimization. I translate complex business requirements into scalable, maintainable solutions, mentor teams, and drive engineering excellence in Agile environments. I have delivered measurable impact: API throughput gains, sub-10-second precision algorithms, and enterprise-grade CI/CD pipelines. I thrive in collaborative settings and enjoy turning complex ideas into practical software that customers love.

Available to hire

I am an accomplished Senior Software Engineer with 20+ years of experience architecting and delivering high-performance, cloud-native software across industrial automation, color science SaaS, energy, and semiconductor sectors. I specialise in full-stack .NET/C# and Java development, microservices on Azure, and performance optimization. I translate complex business requirements into scalable, maintainable solutions, mentor teams, and drive engineering excellence in Agile environments. I have delivered measurable impact: API throughput gains, sub-10-second precision algorithms, and enterprise-grade CI/CD pipelines.

I thrive in collaborative settings and enjoy turning complex ideas into practical software that customers love.

Skills

Experience Level

Expert

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Expert

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Expert

Work Experience

Senior Full-Stack Software Engineer / Partner at ColorInvent

January 1, 2025 - Present

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.

Senior Full-Stack Software Engineer (Freelance) at Shell

August 1, 2023 - September 1, 2024

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.

Senior Java Software Engineer at ASM

May 1, 2022 - July 1, 2023

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.

Senior Full-Stack Software Engineer / Tech Lead at Sherwin-Williams

November 1, 2016 - April 1, 2022

Led full-cycle design and delivery of Color Web — an enterprise-grade distributed color matching and color management system used across global operations. Architected microservices platform on Azure Kubernetes Service (AKS), enabling independent scaling of color-matching algorithms and APIs. Reduced query response times by implementing optimised data access patterns and introducing OData REST APIs, improving UX for thousands of end users. Built proprietary color-matching SDK adopted company-wide, standardising algorithm integration and accelerating feature development. Secured the platform via OAuth/OIDC integration, bringing it in line with enterprise identity management standards. Established CI/CD pipelines with GitHub Actions, cutting manual release effort and improving deployment frequency.

Senior Software Engineer at Baker Hughes

November 1, 2013 - November 1, 2016

Enhanced seismic data storage efficiency using z-order (Morton) curve spatial indexing, significantly reducing I/O overhead for large geological datasets. Improved 3D visualization performance through adaptive high/low-resolution rendering, enabling smoother interaction with complex subsurface models. Developed key seismic and well-view interpretation features for the JewelSuite platform, expanding its analytical capabilities. Optimised network and data layers, reducing latency for data-intensive workflows.

Software Engineer at ZyLAB

July 1, 2012 - November 1, 2013

Delivered core system optimisations for the E-Discovery platform, improving throughput and reliability of large-scale document processing. Migrated platform architecture from x86 to x64, unlocking larger memory addressing and improving processing capacity. Integrated Adobe OCR engine, expanding the platform's ability to process and index scanned documents. Extended and optimised the back-end query language engine, improving search precision and speed.

Senior C++ Developer at Luxoft

March 1, 2011 - July 1, 2012

BMW Infotainment System — implemented SMS/email data synchronisation between HMI layer and communication devices using C++ on embedded hardware.

Senior C++ Developer / Tech Lead at Microl

August 1, 2002 - April 1, 2011

Led development of industrial automation solutions: M2M routers, SCADA systems, OPC servers, and a PLC programming IDE — spanning 9 years of embedded and systems engineering.