Oleg

Oleg Sokil
Full-stack Developer
SUMMARY

I am a product-focused engineer who delivers clean, reliable
features and smooth user experiences. I modernize legacy parts of
products, improve release stability, and unblock teams. I care about
clarity, speed, and measurable business outcomes.
SKILLS

HTML CSS TS React Next.js Zustand
CON TACTS
Redux-Toolkit Express.js Nest MongoDB PostgreSQL
Location
AWS Services CI/CD Testing Ternopil, Ternopil Oblast, Ukraine
Remote
WORK EXPERIEN CE
Office
Javascript developer at Saasjet 2023-2024 Will consider relocation
Product-focused company building Jira add-ons for the Atlassian Email
ecosystem.
[открыть контакты](см. выше в блоке «контактная информация»)
Full stack developer at Code&Care 2024-2025
Phone
Outsource company that helps startups and enterprises build and scale [открыть контакты](см. выше в блоке «контактная информация»)
digital products—from idea to launch and long-term support.
Telegram
Full stack developer at LinkupST 2025-2026 https://t.me/falconoleg
Participated in developing Healthcare project
LinkedIn
Full stack developer at Universal Group 2026 - present [открыть контакты](см. выше в блоке «контактная информация»)
73985025a/
EDUCATION
GitHub
2022 - present https://github.com/Falconconsume
CyberSecurity at TNTU (not graduated)
LAN GUAGES
ADDITION AL COURSES AN D TRAIN IN GS

2024 English B2
Node.js at Hillel IT School
https://certificate.ithillel.ua/view/85839404 EXCELLENT
TypeScript at Hillel IT School 2023
https://certificate.ithillel.ua/view/10360740 EXCELLENT

React at Hillel IT School 2024
https://certificate.ithillel.ua/view/79787827 EXCELLENT
Front-end Basic at Hillel IT School 2023
https://certificate.ithillel.ua/view/96008031 EXCELLENT 1ST PLACE

Front-end Pro at Hillel IT School 2023
https://certificate.ithillel.ua/view/17473522 EXCELLENT 1ST PLACE

English Upper - intermediate • B2 at Hillel IT School 2024
https://certificate.ithillel.ua/view/68901985 EXCELLENT
PORTF OLIO

Yu-med for LinkupST 11.2025-2.2026
Integrated LiqPay payment gateway for subscription-based billing,
implementing secure payment processing, plan management, and
recurring payment logic
Deployed and configured a DICOM server for medical imaging,
enabling seamless upload, storage, and in-browser viewing of DICOM
files within the platform
Built a comprehensive clinic-facing module with role-based access,
appointment management, and patient data workflows
Implemented OAuth 2.0 authentication via Apple and Google sign-in,
alongside a secure forgot/reset password flow with email verification
Developed a real-time chat system using Ably, supporting instant
messaging between patients and clinic staff with presence indicators
and message persistence
Designed and maintained RESTful APIs with NestJS, leveraging Drizzle
ORM for type-safe database operations on PostgreSQL
Deployed serverless functions on AWS Lambda for event-driven
processing and managed infrastructure on EC2 for the DICOM server
Built responsive, accessible UI components using Next.js App Router,
Tailwind CSS, and shadcn/ui with a focus on performance and UX
consistency

Tech Stack: Next.js · NestJS · TypeScript · PostgreSQL · Drizzle ORM ·
AWS (Lambda, EC2) · Cloudinary · Tailwind CSS · shadcn/ui · Ably · LiqPay
https://app.yu-med.com/
AdMind for Code&Care 5.2025-11.2025
Focused in implementing AI agents to help people analyze video in
more convenient way.

Impact & responsibilities
Integretated OpenAI API, Gemini, Memories AI to analyze video.
Implemented feature work such as table search input and improved
data filtering UX.
Replaced custom/inline styles with Tailwind CSS, unifying the design
system and reducing CSS drift.
Wrote unit and integration tests (React Testing Library) to improve
reliability and prevent regressions.

Tech stack: Next.js, Supabase, Cloudinary, Typescript, Tailwind CSS,
Shadcn
Flowline for Code&Care 1.2025-5.2025
SaaS analytics platform for clients in the oil-refining/energy domain.
Objective: stabilize the environment, update critical dependencies,
and clean legacy code for repeatable releases.

Impact & responsibilities
Refactored and modernized UI components with React and
TypeScript, improving maintainability and readability.
Integrated the OpenAI API to deliver intelligent suggestions and
streamline user workflows.
Fixed critical rendering-performance issues across major browsers,
reducing regressions and visual glitches.
Set up and tuned CI/CD and testing scripts to support stable,
predictable releases.
Implemented FPSO section

Tech stack: React, TypeScript, MUI, Node.js, PostgresSQL, Knex, OpenAI
API, CI/CD, Git
https://flowline.archerknight.com/
Time in Status for Saasjet 3.2024-1.2025
Team delivering full-cycle development for marketing sites, admin
panels, and API-driven web apps.

Impact & responsibilities

Led migration from jQuery to React + Redux Toolkit, including porting a
core feature to the new stack.

Implemented feature work such as table search input and improved
data filtering UX.

Wrote unit and integration tests (React Testing Library) to improve
reliability and prevent regressions.

Fixed numerous bugs affecting stability and user experience across
flows.

Tech stack: React, Redux Toolkit, Tailwind CSS, React Testing Library,
TypeScript
https://marketplace.atlassian.com/apps/1219732/time-in-status
Issue history for Saasjet 5.2023-3.2024
Built interactive dashboards and reporting interfaces using React,
Redux Toolkit, and TypeScript
Developed and deployed backend services with Node.js, PostgreSQL,
and Prisma ORM
Integrated with Jira Cloud APIs using Atlassian Forge
Created reusable UI components and ensured application-wide state
consistency
Contributed to end-to-end features spanning frontend, APIs, and
analytics data flows
Tech stack: React.js, Express.js, PostgresSQL, PrismaORM, AWS(EC2,
RDS), Atlassian Forge
https://marketplace.atlassian.com/apps/1220385/issue-history-
for-jira-work-item-history