Viktor

VIKTOR SENYK
Middle Software Engineer | Frontend Focus
Lviv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | GitHub | Telegram

PROFESSIONAL SUMMARY

Frontend-focused Middle Software Engineer with 3.5+ years of commercial experience in React,
TypeScript, and Next.js. Primary Front-End Developer on an LMS/CRM platform with 200+ production
features and practical Java/Spring Boot backend experience. Strong in reusable UI architecture, REST
APIs, automated testing, and refactoring. AI-assisted workflows reduced development time by around 30%
on measured tasks.

CORE SKILLS

Frontend: JavaScript, TypeScript, React, Next.js, Redux Toolkit, Zustand, HTML5, CSS3, SCSS/Sass
UI & Styling: Material UI, Styled Components, Emotion, ApexCharts, Responsive UI, Figma/Pixel-Perfect
API & Forms: REST APIs, Axios, React Hook Form, API Integration
Testing: Jest, Cypress, JUnit, MockMvc
Architecture & Tools: Feature-Sliced Design (FSD-inspired), Git, Jira, Vite, ESLint, Prettier
Backend: Java, Spring Boot, SQL, Postman, Swagger
AI-assisted Development: OpenAI Codex, Cursor, ChatGPT

PROFESSIONAL EXPERIENCE

Gromcode
Middle Software Engineer & Mentor (Frontend Focus)
Jan 2025 - Aug 2026 - Full-time | Sep 2026 - Present - Part-time, 5-10 hrs/week
Strong Junior Software Engineer & Mentor (Frontend Focus)
Jul 2023 - Dec 2024 - Full-time
Primary Front-End Developer for a production LMS/CRM platform, independently delivering features
from business requirements and backend API contracts through implementation, testing, refactoring,
and pull requests.
Delivered 200+ production features, including around 50 major features, across admin, student,
and client-facing LMS/CRM areas. Built responsive, pixel-accurate Figma interfaces and independently
adapted mobile layouts when mockups were not provided.
Integrated AI-assisted workflows using OpenAI Codex, Cursor, and ChatGPT for code analysis,
implementation, refactoring, testing, debugging, and documentation, reducing development time by
around 30% on measured tasks.
Contributed to Java/Spring Boot backend development by building vacancy parsers for multiple
recruitment platforms, working with REST endpoints, DAO/SQL logic, debugging, and writing 247
JUnit/MockMvc tests across 41 endpoints.
Migrated the frontend codebase gradually to an FSD-inspired / domain-based architecture while
continuing feature development, improving code organization, separation of concerns, and
maintainability.
Built reusable admin table and form templates used across 50+ tables and forms, supporting
CRUD, filtering, sorting, pagination, and dynamic fields; also implemented around 20 analytics charts.
Standardized TypeScript entity architecture by aligning models with backend contracts and
introducing reusable admin/user type patterns, reducing duplication and improving consistency across
features.
Built Jest test suites for 200+ student programming tasks, typically with 10+ test cases per task,
and developed reusable test helpers; also created Cypress E2E tests for critical registration and login
flows.
Developed 30+ educational frontend projects used by 100+ students, reviewed around 200
student projects, and contributed to mentoring through documentation, code-quality guidelines, and
mock technical interviews.

SoftLab Pro
Junior Front-End Developer
Feb 2023 - Jul 2023 - Full-time
Contributed to LiveScores, an early-stage sports live-score web platform, implementing assigned
frontend features and pages within an existing codebase.
Built pixel-accurate pages and reusable UI components from provided designs using React,
Next.js, TypeScript, Material UI, and Styled Components.
Worked within an existing React/Next.js codebase, following established project structure and
coding conventions while implementing and updating frontend functionality.
Worked alongside a more experienced Front-End Developer, refining implementations based on
project requirements and technical feedback.

EDUCATION

Gromcode
Intensive Full-Time Front-End Developer Program | 2022 - 2023
International Academy of Personnel Management
Master's Degree in Economics and Personnel Management | 2020 - 2022
Ternopil Ivan Puluj National Technical University
Bachelor's Degree in Automation and Computer-Integrated Technologies | 2015 - 2019

LANGUAGES

Ukrainian - Native
English - Intermediate (B1)
Russian - Fluent

REFERENCE

Professional reference from Gromcode's director is available upon request