Юлія

Yuliia Fil
Senior Full Stack Developer

[open contact info](look above in the "contact info" section)

[open contact info](look above in the "contact info" section)

[open contact info](look above in the "contact info" section)

Summary

Innovation-driven Senior Full Stack Developer with 4.5+ years of experience crafting high-performance, scalable web
applications across FoodTech, SportsTech, EnergyTech, and Entertainment domains. Proficient in the modern JavaScript
ecosystem - React.js, Next.js, NestJS, and Node.js - with deep hands-on experience in cloud-native development on AWS.
Known for translating complex business requirements into clean, maintainable code, building resilient microservice
architectures, and driving engineering quality through automated testing and streamlined CI/CD workflows. Equally
comfortable owning greenfield projects and modernizing legacy systems within cross-functional agile teams.

Skills

Programming Languages: TypeScript, JavaScript (ES6+), SQL, HTML5, CSS3
Frontend Frameworks & Libraries: React.js, Next.js, Redux, Zustand, Material-UI, Tailwind CSS
Backend Frameworks: Node.js, NestJS, Express.js
APIs: REST, GraphQL, WebSockets
Databases: PostgreSQL, MongoDB, MySQL, Redis
Testing: Jest, Cypress, Playwright, React Testing Library
DevOps & CI/CD: Docker, Kubernetes, GitHub Actions, Jenkins
Cloud Platforms: AWS (EC2, S3, Lambda, RDS, CloudFront, ECS, EKS), Firebase, Azure
Authentication & Security: JWT, OAuth2, Auth0, Passport.js
Version Control: Git, GitHub, GitLab

Languages

English: B2
Ukrainian: Native

Education

Taras Shevchenko National University of Kyiv - Institute of High Technologies
Master’s Degree in High Technologies (2021 – 2023)

Taras Shevchenko National University of Kyiv - Chemical Faculty
Bachelor's Degree in Chemistry (2017 – 2021)

Work Experience

Amconsoft | Senior Full Stack Developer | October 2023 – August 2026
IntraCore - Internal Business Solutions Platform
Domain: Enterprise SaaS / R&D
An internal R&D initiative to design and deliver full-stack business automation tools adopted across MHP's organizational
units. The platform consolidated fragmented internal workflows into unified, data-driven applications reaching 120+ internal
users, with adoption tracked via Google Analytics.
Gathered requirements from business stakeholders and designed MVP architecture for internal tools, authoring C4
architecture diagrams and contributing to solution design and technical planning across multiple delivery streams
Built full-stack applications using React, TypeScript, Node.js, and Nest.js on the frontend and backend, with Python
microservices handling data processing and automation workflows
Integrated Azure Cognitive Services for document intelligence and natural language processing features embedded into
internal business workflows
Implemented Azure AD authentication across all internal applications, enabling seamless SSO for organizational users
without additional credential management overhead
Modelled operational data in PostgreSQL for structured business records and MongoDB for flexible document storage and
unstructured workflow data
Containerized all applications with Docker and deployed through Azure DevOps CI/CD pipelines, ensuring consistent and
automated delivery across environments
Tracked feature adoption and user engagement with Google Analytics, using insights to prioritize backlog items and
iterate on MVP features with internal stakeholders

PowerGrid - EnergyTech Smart Grid Monitoring & Analytics Platform
Domain: EnergyTech
A cloud-based smart grid monitoring and energy analytics platform serving utility companies and industrial energy consumers
across the EU. PowerGrid aggregated real-time telemetry from IoT-connected meters and substations, enabling operators to
detect anomalies, optimize load distribution, and generate regulatory compliance reports aligned with EU energy directives.
Led frontend architecture using Next.js, Redux Toolkit, and Tailwind CSS, delivering a real-time grid operations dashboard
with live energy consumption heatmaps, anomaly alert feeds, and regulatory reporting modules
Implemented real-time telemetry streaming via WebSockets, achieving sub-500ms sensor data updates across concurrent
grid monitoring sessions with thousands of active device connections
Designed and developed core NestJS microservices with GraphQL APIs covering meter data ingestion, load balancing rule
management, anomaly detection orchestration, and automated compliance report generation
Architected a hybrid database layer - PostgreSQL for grid asset inventories and compliance audit logs, MongoDB for high-
frequency IoT telemetry events - optimizing read/write performance for each data type
Implemented OAuth2 + JWT authentication with RBAC for Grid Operator, Analyst, and Admin roles, integrated with Auth0
for enterprise SSO across utility organization accounts
Containerized all services with Docker and orchestrated on Kubernetes (AWS EKS), configuring horizontal pod autoscaling
tied to telemetry ingestion load
Configured GitHub Actions CI/CD pipelines with automated Jest unit tests and Playwright E2E tests, enforcing 85%
minimum coverage and blocking deployments on test failures

UKEESS Software House | Junior Full Stack Developer | December 2021 – July 2023
OrbiosHub - Internal Tooling & Client-Facing Web Platform
Domain: SaaS / Productivity
A suite of internal and client-facing web products built and maintained across Orbios’ delivery portfolio, including the
company’s public website, a document processing workflow, and a company-wide internal task management system that
streamlined project coordination across teams.
Built the company website from scratch using Next.js and Tailwind CSS, owning the full delivery cycle from design
implementation through production deployment.
Developed an internal task management system adopted company-wide, integrating the GitHub API for issue tracking and
pull request management within a unified Next.js interface.
Developed an automated document processing workflow to extract, classify, and route document data across internal
systems, streamlining document management and reducing manual processing.
Debugged, refactored, and shipped fixes across multiple client-facing projects built in Next.js, improving code quality and
reducing the reported bug backlog by 40%.
Implemented JWT-based authentication and role-based access control across internal tooling, ensuring secure access for
team members across departments.
Deployed all internal tools through GitHub Actions pipelines with automated linting and build checks on every pull request.
Collaborated directly with stakeholders to gather requirements, translate them into technical specifications, and deliver
iterative releases aligned with business priorities.

FreshRoute - FoodTech Restaurant Delivery & Kitchen Management Platform
Domain: FoodTech
A cloud-based restaurant delivery and kitchen operations platform serving restaurant chains and ghost kitchen operators,
enabling real-time order management, delivery fleet coordination, and kitchen display system integration. FreshRoute reduced
average order-to-delivery time by 22% and improved kitchen throughput by 31% for onboarded restaurant partners.
Contributed to frontend development using React.js, Redux, and Material-UI, building real-time order tracking dashboards,
kitchen display system interfaces, and delivery fleet management views with live driver location updates
Developed REST APIs with Node.js and Express.js for order lifecycle management, kitchen ticket routing, and driver
assignment; implemented real-time order status broadcasting via WebSockets for sub-second kitchen and customer
updates
Modelled restaurant operations data in PostgreSQL - menus, orders, delivery zones, driver records - and used MongoDB for
flexible customer preference profiles and high-volume order event logs
Integrated Google Maps Platform APIs for real-time delivery route calculation and driver ETA estimation, improving
dispatch accuracy by 28%
Implemented JWT authentication with OAuth2 social login for customer-facing accounts and Firebase Cloud Messaging for
real-time push notifications across web and mobile
Containerized the application with Docker and deployed on AWS EC2, configuring auto-scaling to handle peak dinner-time
order volumes without service degradation
Set up GitHub Actions CI pipeline with automated Jest unit tests and Cypress integration tests, growing overall test
coverage from 40% to 75% across the project lifecycle