Available to hire
Hello! I’m Oleksandr Delas, a Unity/.NET developer and team lead with 8+ years in software development and 3+ years in leadership. I hold a Master’s in System Programming and an MBA in Business Administration, and I’ve delivered end-to-end projects from concept through architecture to final delivery, collaborating closely with designers, QA, and clients. I’m passionate about building scalable systems, AR/VR experiences, and mentoring teams to write clean, high-quality code in Agile environments.
I’m excited to apply my technical expertise and leadership to guide a development team toward exceptional results, fostering collaboration, continuous learning, and stakeholder alignment while delivering robust, performant software solutions.
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Language
Ukrainian
Fluent
English
Fluent
Spanish; Castilian
Intermediate
Russian
Fluent
Work Experience
Senior Unity .NET Developer at arplace
October 1, 2023 - July 26, 2025Led deep architectural analysis to identify and resolve legacy issues, optimized event systems, and ensured high code quality through thorough code reviews and refactoring. Established Gitflow practices to maintain coding standards, integrated third-party SDKs, and implemented advanced audio and video recording features. Collaborated closely with designers to translate Figma designs into performant UI elements using Unity’s UI Toolkit and Doozy UI.
Team Lead & Technical Consultant (Unity, .NET) at Vivien Code
September 1, 2021 - July 26, 2025Provided comprehensive services spanning Cloud Native development, Frontend Web, and Mobile App/Game development for multiple platforms including AR/VR/MR. Responsible for concept analysis, project planning, architectural design, service integration, performance optimization, technical documentation, team selection and management, final delivery, and ongoing support.
Senior Unity Developer at Artificial Core
December 1, 2024 - May 31, 2025Worked on professional Unity development tasks contributing to advanced Unity projects (specific project details not provided).
Senior Unity .NET Developer / Team Lead at Program-Ace
August 1, 2020 - October 31, 2023Led development teams and created cloud-native architectures using .NET, AWS, GCP, Azure, Dockers, Kubernetes, and more. Delivered various projects including a DC Comics interactive comic editor tool, XR social network app with 3D scans and media sharing, VR training simulations for construction and automotive industries, and casual mobile games with performance optimization.
Senior Unity Developer at Mapstar
September 1, 2021 - August 31, 2022Contributed primarily on client-side feature addition, app refactoring, and bug fixing including Firebase and UI issues for a map-based XR metaverse project involving 3D map creation, trade, and sharing.
Junior -> Middle Developer (Unity, .NET, JavaScript, TypeScript) at Upwork
April 1, 2017 - July 31, 2020Started career developing simple websites and then transitioned into Unity development with focus on VR/AR apps and casual mobile games. Responsible for implementing turn-based battle mechanics and game logic in RPG/TCG projects.
Head of the Department of Interaction with Foreign Customs in the Anti-Smuggling Directorate at State Customs Service of Ukraine
March 1, 2016 - March 31, 2017Led team managing cross-border communication, document translation, and coordination between Ukrainian and foreign customs authorities, ensuring timely and accurate handling of official documents and appeals.
Head of IT Department at State Tax Service of Ukraine
April 1, 2015 - March 31, 2016Led IT department supporting critical customs software, network installation, hardware maintenance, and cross-departmental communication. Managed team to deliver efficient IT solutions aligned with organizational goals and provided mentorship and professional development.
Senior Unity .NET Developer at arplace
October 1, 2023 - July 31, 2025Led deep architectural analysis to resolve legacy issues and optimized event systems for modularity and scalability. Ensured high code quality through continuous code reviews and refactoring. Established Gitflow practices and integrated third-party SDKs, plugins, and packages. Designed and implemented video and audio recording features, collaborating closely with designers to translate Figma designs into responsive UI elements using Unity’s UI Toolkit and Doozy UI.
Team Lead & Technical Consultant (Unity, .NET) at Vivien Code
September 1, 2021 - July 31, 2025Provided comprehensive services across Cloud Native development (.NET, AWS, GCP, Azure, Docker, Kubernetes, Microservices, SaaS) and frontend web technologies. Managed full development lifecycle from concept analysis, project planning, architectural design to team recruitment and management. Integrated essential services and optimized performance. Created technical documentation and provided ongoing project support and administration.
Senior Unity Developer at Artificial Core
December 1, 2024 - May 31, 2025Role focused on Unity development, specifics not elaborated but involved client-side feature additions, app refactoring and bug fixing in Firebase and UI areas.
Senior Unity .NET Developer / Team Lead at Program-Ace
August 1, 2020 - October 31, 2023Led development teams and managed advanced Cloud Native, frontend web, mobile app, and game architectures. Developed tools like DC Comics 'Comic Editor Tool', contributed to XR social network apps, created VR simulations for training, and implemented core logic for casual/hyper-casual games. Participated in project conceptualization to delivery with a focus on technical excellence and team management.
Senior Unity Developer at Mapstar
September 1, 2021 - August 31, 2022Worked on adding client-side features, app refactoring, and bug fixing related to Firebase, UI, and other issues for a map-based XR metaverse platform enabling creation, editing, ownership, trade, and sharing of XR maps.
Junior -> Middle Developer (Unity, .NET, JavaScript, TypeScript) at Upwork
April 1, 2017 - July 31, 2020Started as a JavaScript/TypeScript/HTML/CSS developer working on simple websites then transitioned into Unity development focusing on VR/AR apps and casual/hyper-casual mobile games. Contributed to a RPG/TCG project integrating turn-based battle systems, character experience leveling, battle data generation, and battle log display.
Head of the Department of Interaction with Foreign Customs in the Anti-Smuggling Directorate at State Customs Service of Ukraine
March 1, 2016 - March 31, 2017Led a team responsible for multi-lingual communication and document translation between Ukrainian and English customs authorities. Managed team delegation, problem-solving, and strategic interaction to facilitate cross-border customs issue resolution in a high-pressure environment.
Head of IT Department at State Tax Service of Ukraine
April 1, 2015 - March 31, 2016Directed IT operations including software installation and support, network setup, hardware and office equipment maintenance. Focused on team leadership, problem-solving, adoption of new technology, coordination with departments, and professional development of team members in a dynamic environment.
Senior Unity .NET Developer at arplace
October 1, 2023 - July 30, 2025Led deep architectural analysis, optimized event systems, and ensured high code quality through code reviews and refactoring. Established Gitflow practices to maintain coding standards, integrated third-party SDKs, and implemented audio and video recording features. Specialized in Unity’s UI Toolkit and Doozy UI for crafting high-performance interfaces. Collaborated closely with designers and cross-functional teams to contribute to project success.
Team Lead & Technical Consultant (Unity, .NET) at Vivien Code
September 1, 2021 - July 30, 2025Provided end-to-end services in Cloud Native development, frontend web technologies, and mobile app and game development using Unity and C#. Handled concept analysis, project planning, architectural design, team recruitment and management, service integration, performance optimization, technical documentation, final delivery, and ongoing support. Managed projects across various Cloud Solutions and platforms including Android, iOS, Windows, WebGL, and AR/VR/MR.
Senior Unity Developer at Artificial Core
December 1, 2024 - May 31, 2025Engaged in senior-level Unity development to build and improve applications. (Limited details available.)
Senior Unity .NET Developer / Team Lead at Program-Ace
August 1, 2020 - October 31, 2023Led development teams and created advanced architectures for Cloud Native, frontend web, mobile apps, and games using Unity and C#. Worked on various NDA projects including a DC Comics interactive comics editor tool as Lead Developer, XR social network app enhancements, VR training simulations, and casual/hyper-casual mobile games. Responsibilities included architecture design, technical GDD authoring, task management, Firebase integration and bug fixing, and UI and VR SDK implementation.
Senior Unity Developer at Mapstar
September 1, 2021 - August 31, 2022Added new features, refactored the app, and fixed Firebase, UI, and other bugs on Mapstar, a map-based XR metaverse platform that allows users to create, trade, and share Extended Reality maps using AR technology.
Junior -> Middle Developer (Unity, .NET, JavaScript, TypeScript) at Upwork
April 1, 2017 - July 31, 2020Started as a JavaScript/TypeScript developer working on simple websites and functionality extensions. Later transitioned to Unity development focusing on VR/AR apps and casual/hyper-casual mobile games. Contributed to a RPG/TCG project by integrating a turn-based battle system including character level systems, battle data generation, calculations, and battle log display.
Head of the Department of Interaction with Foreign Customs in the Anti-Smuggling Directorate at State Customs Service of Ukraine
March 1, 2016 - March 31, 2017Led translation and coordination between Ukrainian customs and foreign customs bodies. Managed a team responsible for translating official documents and communications. Ensured clear communication, effective delegation, and timely resolution of cross-border issues while supporting team growth and collaboration.
Head of IT Department at State Tax Service of Ukraine
April 1, 2015 - March 31, 2016Led an IT department responsible for supporting specialized customs software, local network installation and maintenance, and hardware and office equipment support. Coordinated with departments, managed multiple projects, implemented technical solutions to minimize downtime and improve operational efficiency. Prioritized team training and adaptability to changing tech and regulations.
Senior Unity .NET Developer at arplace
October 1, 2023 - November 6, 2025Led deep architectural analysis, optimized event systems, performed thorough code reviews, established Gitflow practices, integrated third-party SDKs, and implemented audio and video features. Collaborated with designers to translate Figma/UI concepts into responsive Unity interfaces, leveraging Unity UI Toolkit and Doozy UI for high-performance UI.
Team Lead & Technical Consultant (Unity, .NET) at Vivien Code
September 1, 2021 - November 6, 2025Provided Cloud Native (.NET, AWS, GCP, Azure, Docker, Kubernetes, Microservices, SaaS, OpenAPI, SQL Server, PostgreSQL, MongoDB) expertise across frontend web and mobile app/game development. Managed projects from concept through delivery, conducted technical interviews, recruited teams, delivered comprehensive documentation, and ensured performance optimization.
Senior Unity Developer at Artificial Core
May 1, 2025 - May 1, 2025Senior Unity development assignment focusing on core game features and performance improvements.
Senior Unity .NET Developer / Team Lead at Program-Ace
October 1, 2023 - October 1, 2023Led architecture and development across Cloud Native (.NET, AWS, GCP, Azure, Docker, Kubernetes, Microservices, SaaS, OpenAPI, SQL Server, PostgreSQL, MongoDB), Frontend web technologies, and Unity-based games. Managed teams, delivered end-to-end solutions, and produced technical documentation.
Senior Unity Developer at MAPSTAR
August 1, 2022 - August 1, 2022Implemented client-side features for an XR metaverse map project, performed app refactoring, fixed Firebase/UI issues, and contributed to UI development.
Junior -> Middle Developer at Upwork
July 1, 2020 - July 1, 2020Progressed from Junior to Middle across Unity/.NET and web technologies; contributed to RPG/TCG battle system integration, data modeling, and battle toolkit integration.
Head of the Department of Interaction with Foreign Customs in the Anti-Smuggling Directorate at State Customs Service of Ukraine
March 1, 2017 - March 1, 2017Led a team responsible for translating and coordinating work inquiries, official letters, appeals, and documentation between Ukrainian and English, ensuring clear cross-border communications and effective issue resolution.
Head of IT Department at State Tax Service of Ukraine
March 1, 2016 - March 1, 2016Led IT operations including installation and support of specialized software, local network administration, and maintenance of computer hardware and office equipment.
Freelance Developer at Upwork
April 1, 2017 - July 1, 2020Progressed from JavaScript/TypeScript to Unity; built VR/AR apps and casual/mobile games; contributed to RPG/TCG project by implementing battle system logic and data integration.
Head of IT Department at State Tax Service of Ukraine (Luhansk)
April 1, 2015 - March 1, 2016Led IT operations, installed and supported specialized customs software, maintained local networks and hardware, and mentored staff.
Head of the Department of Interaction with Foreign Customs in the Anti-Smuggling Directorate at State Customs Service
March 1, 2016 - March 1, 2017Led cross-border communications, translated and prepared official documents, supervised team, and improved cross-border information exchange processes.
Education
Master of Computer Science at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2013 - February 28, 2015Master of Business Administration at National Technical University 'Kharkiv Polytechnic Institute'
October 1, 2022 - December 31, 2023Bachelor of Computer Science at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2008 - June 30, 2013High School Diploma at Krasnodon town Gymnasium
September 1, 1997 - July 31, 2008Master of Computer Science at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2013 - February 28, 2015Master of Business Administration at National Technical University "Kharkiv Polytechnic Institute"
October 1, 2022 - December 31, 2023Bachelor of Computer Science at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2008 - June 30, 2013High School Diploma at Krasnodon town Gymnasium
September 1, 1997 - July 31, 2008Master of Computer Science at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2013 - February 28, 2015Master of Business Administration at National Technical University "Kharkiv Polytechnic Institute"
October 1, 2022 - December 31, 2023Bachelor of Computer Science at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2008 - June 30, 2013High School Diploma at Krasnodon town Gymnasium
September 1, 1997 - July 31, 2008Master of Computer Science (MCS), System Programming at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2013 - February 1, 2015Master of Business Administration (MBA), Business Administration (in English) at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
October 1, 2022 - December 1, 2023Bachelor of Computer Science (BCompSc), Computer Engineering at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2008 - June 1, 2013Master of Computer Science (MCS), System Programming at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2013 - February 1, 2015Master of Business Administration - MBA, Business Administration (in English) at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
October 1, 2022 - December 31, 2023Bachelor of Computer Science (BCompSc), Computer Engineering at National Technical University of Ukraine 'Kyiv Polytechnic Institute'
September 1, 2008 - June 1, 2013Qualifications
Industry Experience
Software & Internet, Gaming, Media & Entertainment, Government, Professional Services, Education
Skills
See more
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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