Nazar – .NET, C#, ASP.NET CORE

The web platform for the international network of study centers provides academic and practical support for admission to universities in the UK and the US. This platform allows potential clients to:

• Prepare for the international degree program by completing online courses.
• Apply to universities in the UK and the US through the online platform. During the development process, Microsoft's tech stack was utilized: .NET, Azure, Angular 8, as well as a microservice-based architecture and Azure data centers located worldwide.

• Delivered end-to-end features as a Full-Stack Developer and R&D team member across teams using Scrum;
• Facilitated Agile ceremonies (refinement, planning, estimation) to ensure clear scope and achievable tasks;
• Built and maintained back-end services (APIs, business logic) and front-end components/UI;
• Translated business problems and OKRs into technical plans and measurable deliverables;
• Designed, configured, and maintained CI/CD pipelines for build, test, and deployment;
• Provisioned and managed Azure resources both manually and via Terraform (Infrastructure as Code);
• Migrated and redesigned legacy flows to improve reliability, performance, and maintainability;
• Implemented new systems from scratch (greenfield), aligning designs with business goals;
• Wrote and maintained automated tests (unit, integration, E2E) to safeguard stability and support continuous delivery;
• Collaborated cross-functionally to unblock dependencies and ensure timely, high-quality delivery.

The project is a part of the education ecosystem for students in schools. The autonomy web application provides many tests for students on a paid basis. Anyone using the education platform can participate in any test with an interactive and animated design. All tests are adapted according to the user’s education level, and all tests are presented in a game format for pupils. The educational platform was developed in accordance with Ukrainian standards for the use of children.

• Led the back-end team from project inception as a Full-Stack Engineer. Defined project architecture and integration patterns;
• Designed database schema and data models;
• Owned deployment processes and environment setup;
• Designed real-time communication between systems and solved related reliability/performance challenges;
• Drove sprint planning and broke work into actionable tasks;
• Prioritized the backlog to meet milestones and delivery goals.

Learning management system (LMS) aims to bridge teachers, students, parents, and administrators on one platform. LMS makes it easy to create and manage all learning activities, such as creating online classes, assessing students, enhancing collaboration, and storing and tracking individual/aggregate progress. Besides, the software gives users access to a digital library that includes videos, presentations, and e-books.

• Led the project as Lead Full-Stack Developer from inception through MVP and post-MVP planning;
• Gathered requirements for the MVP, defining scope, acceptance criteria, and success metrics;
• Planned the product’s evolution beyond MVP, sequencing features and milestones;
• Set up core front-end architecture and implemented foundational functionality. Managed the front-end team (task planning, code reviews, mentorship, quality standards);
• Contributed to back-end development and database schema/design;
• Aligned technical decisions with business goals by coordinating with stakeholders.

Shyft.tt is an insurance aggregator and web company focusing on personal lines of insurance for the Caribbean. The need was to rebuild their MVP as the first version of the comparison website wasn't much flexible and required engineers' code changes when updating insurance rules and price calculations. Moreover, the app required a fresh new look and a better User experience, so the project started with the Investigation / Discovery phase which smoothly went to Design and Implementation.

• Joined from project inception as a Full-Stack Developer and led requirements gathering with stakeholders;
• Designed and implemented the core “rule engine” to dynamically evaluate and estimate insurance costs;
• Architected the system end-to-end from scratch (service boundaries, integration patterns);
• Designed and documented the API;
• Modeled data and created the database schema from scratch;
• Integrated third-party systems, including payment services;
• Contributed to UI/UX to ensure administrators can configure dynamic rules easily and efficiently.

The main task was to create an MVP for the Stock data aggregation web platform, which aggregates stock data from a variety of services and displays it in a user-friendly format.

• Designed and implemented a complex dynamic diagram creation feature end-to-end;
• Defined clear domain/API contracts for diagram entities and operations to enable interactive behavior;
• Built front-end functionality for users to create, edit, and manipulate diagrams in the UI;
• Implemented back-end services to persist, validate, and process diagram data and actions;
• Aligned front-end interactions with back-end contracts to ensure consistent functionality and reliability;
• Documented interaction flows and service interfaces for maintainability and onboarding.

TMS for USA Motor Carrier & Trucking Company. The company provides a full array of TL and LTL services in dry, van and refrigerated, and flatbed containers. As an All-In-One Software, the TMS aggregates different blocks: Safety, Dispatch, and Maintenance, that’s why for application architecture, was applied the microservice approach.

• Participated in the discovery phase with stakeholders and the dev team to clarify business needs and scope;
• Contributed to UI/UX discussions, translating requirements into actionable design decisions;
• Designed and implemented the project architecture (service boundaries, patterns, integration points);
• Defined database models and data relationships to support core use cases;
• Built client-side modules in Angular (components, services, routing, state);
• Collaborated cross-functionally to validate assumptions and prioritize work for delivery.

Creating the management system for the clients of a drugstore chain. This system created and sent reminders for clients about various promotions, the need for purchasing drugs, analyzing previous purchases, bonuses that the client has in his account, synchronization with other databases. Customer notifications were via SMS with Twillio, email via Sendgrid

• Analyzed and clarified requirements with stakeholders and the dev team;
• Improved and refactored database models (schema changes, relationships, migrations);
• Extended the microservice architecture (new services/modules, inter-service contracts, resiliency);
• Implemented required API endpoints with validation, authorization, and error handling;
• Added new front-end functionality (UI components, state management, API integration).

Software aimed to simplify dairy farm operations by providing a comprehensive herd data analysis system. The solution enables farmers to monitor and analyze herd performance — both overall and per individual cow — through detailed reports. It also helps calculate the protein and energy composition of feed rations, improve milk quality, and detect potential diseases at early stages.

• Analyzed and implemented requirements for a WPF desktop application in collaboration with stakeholders;
• Designed and built modules to import and process CSV/XLS/XLSX data (parsing, mapping, validation, error handling);
• Implemented data transformation/aggregation logic to prepare datasets for reporting;
• Programmatically generated Excel reports with charts and multiple data sheets;
• Implemented WPF application modules to support data import, processing, and report export workflows;
• Maintained close stakeholder communication to ensure alignment with business needs and incorporate feedback promptly.