Responsible for technical leadership, engineering team management, system architecture, innovation and research, engineering best practices, software development processes, and continuous improvement.

Managed a 40-person engineering organization, driving technical innovation and organizational maturity. Key contributions include:- Directed technical architecture and solution design across multiple client projects.- Provided architectural guidance and technical consulting to key clients.- Conducted pre-sales technical evaluations and solution architecture designs.- Supported service delivery and sales operations with technical advisory.- Developed new engineering career framework resulting in 7 technical leadership promotions.- Maintained engineering standards and best practices documentation.- Managed internal IT infrastructure and supervised production systems.

Stepped in during a critical leadership transition to lead a 50+ person software development company. Key achievements include:- Stabilized company finances and preserved the core team during the transition.- Maintained business continuity and operations during the global pandemic.- Secured new client contracts across advertising, loyalty programs, hospitality, and GIS domains.- Successfully managed leadership handover to incoming CEO before returning to CTO role while maintaining business operations.

Established technical excellence and scaled the engineering organization. Key contributions include:- Grew engineering team from 15 to 30+ engineers, conducting 200+ interviews in the process.- Architected, developed, and delivered cloud and web solutions in various sectors, mainly in travel and transport, healthcare and wellness, property and hospitality, HR, and access control security.- Directed technical architecture and solution design across multiple client projects.- Standardized engineering practices across all teams and projects.- Conducted 150+ pre-sales technical evaluations and solution architecture designs.- Led the project management team for six months in 2015 to improve processes and collaboration with development teams.- Created a career development framework with defined leadership paths.- Established and ran entry-level engineering programs and internships.Notable solutions delivered:Major solutions:- Multi-tenant cloud-based access control platform for property security management.- High-volume loyalty rewards processing platform handling 100K+ daily transactions for German market.- Public records research platform with 30+ API integrations and data enrichment workflows.Medium solutions:- Recruitment matchmaking platform facilitating job seeker and employer matching.- Custom identity and portfolio management system (IAM) for GIS applications.- Peer-to-peer items rental marketplace platform for Swiss market.- Workforce management solution for time tracking and contractor management.Specialized solutions:- Industrial electric circuit testing software using National Instruments DAQ and Testbed hardware.- Manufacturing QR code label printer application.Tech stack:- Backend: C# and .NET ecosystem- Frontend: HTML/CSS/JavaScript, TypeScript, Angular, Knockout.js, jQuery- Mobile: Android, iOS, Xamarin- Desktop: WPF- Data: PostgreSQL, SQL Server, MongoDB, RabbitMQ- DevOps: Azure, AWS, GitLab, TeamCity, Octopus, Docker

First hire, progressed to senior/architect role while helping the team grow to 15 engineers. Key contributions:- Designed, developed, released, and maintained cloud and web solutions for startups and established SMEs.- Worked as both an individual contributor and tech lead.- Established core engineering practices within internal teams.- Provided architectural guidance and technical consulting to internal teams and key clients.- Oversaw software architecture for all client projects.- Onboarded and mentored all newly-hired software engineers.- Contributed to all pre-sales activities with technical evaluations and solution architecture designs.- Managed infrastructure across Azure, AWS, and on-premise environments.- Built starter project templates for ASP.NET and JavaScript projects.Notable solutions delivered:Major solutions:- Multi-tenant SaaS car rental and fleet management system for the Baltic market.- Resource management module for Estonia's national bus management and ticketing platform.- B2B travel agency platform with integrated real-time B2C booking for the Balkan region.- Nordic dental practice management system (architectural advisory).- Estonian taxi dispatch and fleet management system (architectural and development advisory).Medium solutions:- Social media-integrated lead generation platform for Irish startup.- Farm health monitoring platform for South African market.

Delivered end-to-end .NET web software solutions while managing direct client relationships:- Architected and developed comprehensive hotel booking system with real-time reservations; and ran production DevOps.- Co-developed multitenant faculty management system.- Developed custom CMS for a Turkish hotel resorts chain.- Created specialized Analytical Hierarchy Process software for multi-criteria decision-making.- Inherited and maintained an existing personal health assistant web application for Dutch market.Tech stack:- Backend: C##, ASP.NET WebForms, MVC, WCF, Nhibernate, Silverlight- Frontend: HTML/CSS/JavaScript, Knockout.js, jQuery- Data: SQL Server- Infrastructure: Windows Server hosting- Techniques: SDLC process, MVVM, MVC, clean code