Summary
Overview
Work History
Education
Skills
Certification
Timeline
Languages
Interests
Consent
Consent
AdministrativeAssistant
Jakub Łukaszuk

Jakub Łukaszuk

Senior Front-end Developer
Warsaw

Summary

Frontend / Full-Stack Developer | AI, Web Applications & Visual Design

Creative developer building AI-enhanced, scalable web applications with a focus on performance, clean code, and user experience. Passionate about visual design and graphics, collaborating with international teams, and transforming complex requirements into impactful, user-centered solutions.

Overview

6
6
years of professional experience
3
3
years of post-secondary education
3
3
Certificates
2
2
Languages

Work History

Senior Software Engineer

Ascaisoft
01.2026 - Current
  • Contributed to the development of applications supporting AI training, evaluation, and performance benchmarking
  • Designed and created complex tasks, prompts, and datasets to improve model reasoning, robustness, and overall quality
  • Evaluated LLM model outputs and provided structured feedback to support iterative model improvement
  • Collaborated with cross-functional and international teams in a distributed environment
  • Ensured high-quality standards in testing, validation, and delivery of AI-related solutions
  • Technologies: Next.Js, React, Redux Toolkit, TypeScript, Tailwind,Tanstack Query, Zod, SQLite ,Dizzle ORM, Playwright, Claude AI, Linear, Docker

Front-end Developer

Diagnostyka
03.2023 - 01.2026

I successfully delivered software for configuring research in laboratories. I am currently working on a system for managing the sale of medical tests at patient collection sites. I perform tasks such as:

  • Designing low-level architecture guidelines
  • Creating ADR (Architecture Decision Record) documents (related to the company’s stock market entry)
  • Writing instructions and guides for other developers on topics such as programming, version releases, and working with User Stories
  • Ensuring code quality through promoting best practices and identifying cleaner, more efficient solutions in the existing codebase
  • Analyzing and improving the software development process
  • Business and UX/UI analysis
  • Performed unit testing of web applications and troubleshot issues.
  • Collected, defined and translated user requirements into project designs and implementation plans.
  • update of the FE application regarding CSP security policy guidelines
  • Technologies: NX - monorep, React, Redux Toolkit, TypeScript, custom component library, SCSS, REST API, React Testing Library, Jira, Git, Figma, Jest, Vite.js, Zustand, TanStack, Copilot, Claude AI, Node.JS, Nginx

Front-end Developer

Devapo
09.2021 - 02.2023
  • Work on two projects. The first is a modular HR platform hosted on the GCP cloud with a custom component library.
  • The second project is a module within the system for the Insurance company.
  • Employed coding practices based on commonly accepted standards to establish site layout and user interface.
  • Planned and engineered RESTful web services to manipulate dynamic datasets.
  • Technologies: Next.js, React, Redux Toolkit, TypeScript, Angular, micro-frontends, custom component library, SCSS, REST API, GraphQL, Enzyme, GCP, Docker, Jira, Git, Figma, Cypress

Front-end Developer

Accenture
06.2021 - 09.2021
  • Bench employment focused on training and skill development (Accenture did not finalize the project for which I was originally hired).
  • Technologies: React Native, TypeScript

Front-end Web Developer

Wydawnictwo Media Creations
01.2021 - 05.2021
  • Development of existing software and creation of a new portal.
  • Collaboration with a designer and backend team to build the portal.
  • Developed custom-built web applications tailored to clients'' specific needs.
  • Technologies: TypeScript, React, Redux, SASS, Git, Semantic UI, Node.JS

Junior Software Developer

Heller Consult
02.2020 - 12.2020
  • Support for the development team in creating software for road network management.
  • Performing basic tasks on the Back End.
  • Developed software for desktop and mobile operating systems.
  • Corrected, modified and upgraded software to improve performance.
  • Technologies: JavaScript, TypeScript, React, .NET, Windows Forms, Git, JIRA, Docker, BitBucket, Android, Java, Node.JS

Education

Engineer Degree - IT, Computer Networks And Cybersecurity

Państwowa Szkoła Wyższa Im. Papieża Jana Pawła II
Biała Podlaska
10.2016 - 03.2020

Skills

Full-Stack Web Development – React, Nextjs, NX monorepo

TypeScript & JavaScript – writing clean, scalable code

State & Data Management – Redux Toolkit, Zustand, TanStack Query

Backend & Database – SQLite, Dizzle ORM, REST APIs

Software Architecture & Code Quality – ADRs, low-level design, best practices

Testing & QA – Playwright, Jest, React Testing Library, unit tests

AI & LLM Systems – prompt engineering, model evaluation, Claude AI

Agile & Project Management – Jira, Linear, user stories, process improvement

Collaboration & Mentorship – distributed teams, documentation, knowledge sharing

Certification

Prince2 Project Management Foundation, AXELOS Global Best Practice

Timeline

Senior Software Engineer

Ascaisoft
01.2026 - Current

Front-end Developer

Diagnostyka
03.2023 - 01.2026

Front-end Developer

Devapo
09.2021 - 02.2023

Front-end Developer

Accenture
06.2021 - 09.2021

Front-end Web Developer

Wydawnictwo Media Creations
01.2021 - 05.2021

Junior Software Developer

Heller Consult
02.2020 - 12.2020

Engineer Degree - IT, Computer Networks And Cybersecurity

Państwowa Szkoła Wyższa Im. Papieża Jana Pawła II
10.2016 - 03.2020

Languages

Polish
Native language
English
Upper intermediate
B2

Interests

Literature, Automotive, History, AI, Graphics

In my free time, I deal with prompt engineering and generating graphics with AI, including with the help of my own application Some of my work can be seen, among others, on Adobe Stock: https://stockadobecom/pl/contributor/212872426/Jakub

Consent

I authorize the processing of personal data present in the CV pursuant to Legislative Decree 101/2018 and of the GDPR (EU Regulation 2016/679).

Consent

I hereby give my consent for the processing of my personal data included in my application for the purposes of the recruitment process in accordance with Article 6(1)(a) of the General Data Protection Regulation (EU) 2016/679.
If I am not selected for the role, I agree that my data may be stored for future recruitment processes for a period of [specify time period].

Jakub ŁukaszukSenior Front-end Developer