Remote Senior JavaScript Developer - Cracow, Poland

11/2022 - 11/2023

Senior JavaScript Developer

Kinsta

• Collaborating within a 10-member Analytics Team.

• Creating domain-specific charts leveraging the Visx library.

• Contributing to a competitive product focused on intuitive data monitoring.

• Implementing code using React, GCP, Node.js, and GraphQL endpoints.

• Assisting in the establishment and optimization of team processes.

04/2021 - 10/2022

Technical Leader

Patio

• Lead a small (4 people) web team.

• Took part in creating “Slack for College Students” on Web (patio.app) - features like

Friending, Chat functionalities, real-time communication, Chat Space, Invites, and

many others.

• Shaped Agile processes and collaborated cross-platform with Mobile, Backend,

QA, Design, and Marketing Teams.

• Recruited people in the company, did some management work, and kept being

proactive in a dynamic startup - reacted to changes.

• Iterated quickly in weekly cycles, almost every week releases based on Hasura

generated API and some custom actions based on an API Server.

• Kept technical debt. small & solid quality with bug-free code in the product - great

eye for UX/UI details, around 2000 of automated tests in Cypress, GH Actions

(Linters, Library version checks, Unit Tests, etc.).

01/2021 – current

Frontend Mentor

BigsonDev/Codementor/MentorCruise

TECHNICAL SKILLS

• HTML5, CSS3

• JavaScript (ESNext), TypeScript

• React and friends

• CSS-in-JS (styled-components/

emotion)

• State management (Redux/context)

• Components, Atomic Design

• Build tools (Webpack/craco)

• Monorepos/Micro-frontends

• Testing (jest, Cypress)

• Performance (LightHouse)

• Reporting Tools (Sentry)

• CI/CD/Quality

• Hasura, Supabase

• APIs (GraphQL, REST, react-query)

• Node.js

• Git, CLI, VSCode

• Agile (Jira, Scrum, Kanban)

• Technical Writer (Documentation)

bigsondev.com

/bigsondev

/adrian-bigaj-282277130/

SOFT SKILLS

• Proactive

• Leadership

• Communication

• Poblem solving

• Time management

• Knowledge sharing

• Easily adapting

• English - Fluent

• Polish - Native

LANGUAGES

• Working on an automated, interactive educational application with a project-based

learning mindset adjusted to entry level Developers.

Materialising ideas related to Mentoring, preparing blog posts, knowledge pills, and

projects to practice.

• Learning new technologies (Gatsby.js, Next.js).

01/2020 – 12/2020

Senior Technical Lead

j-labs (Sinch)

• Extending monorepo to 10 products, solving cross-product issues, listening to

feedback and improving other developers workflow.

• Planning and creating Design System with designers in order to force consistency

across products, delivering new reusable components.

• Improving code quality, helping other products in their challenges.

• Creating architecture of internal applications for support, similar to external

monorepo concept, implementing features.

11/2017 – 05/2019

Frontend Developer

j-labs (Sinch)

• Being a first Frontend Developer on polish side.

• Rewriting existing application according to current standards and newest library

versions.

• Creating standards and best practices for React and JS.

• Delivering functionalities, contact with the client, impacting application

architecture.

• Being a first Frontend Developer on polish side.

08/2017 – 10/2017

Software Engineer III

Grape Up (Balfour)

• Working on a fully based SVG project, „Photoshop online” for creating year books

from the entire school year.

• Doing project audits, Code Review, improving Code Quality, creating process of

building apps (CI/CD, webpack).

• Pair Programming with international team.

• Collecting requirements, design review, planning features, managing the team,

creating JIRA tickets.

• Meeting with clients, presenting demos of our project(s).

06/2019 – 01/2020

Senior Frontend Developer

j-labs (Sinch)

• Creating Monorepo based on Lerna and Yarn workspaces in order to create

additional products by different teams in Customer Facing portal.

• Implementing reusable components for improving workflow of other developers

and deploying it to company NPM.

• Being a leader of Frontend architecture group.

• Leading multiple international teams

• Settling requirements, create JIRA tickets, implementing features.

• Creating internal features for support.

04/2017 – 07/2017

Software Engineer II

Grape Up (Balfour)

• Creating SPA’s using React + Redux, design review, settling technical requirements,

implementation, planning API with Backend Team.

• Working in an international team.

• Leading 5 people Frontend team.

• Managing Jenkins (building FE apps).

11/2016 – 03/2017

Software Engineer

Grape Up (Avaya)

• Working on Avaya Communicator (JS and Angular 1.x).

• Working in international team.

• Writing unit tests.

• Creating articles and technical documentation.

• Code Review (Atlassian’s Kit), keeping code quality.

• Working in Agile (SCRUM).

08/2016 - 10/2016

Junior Software Developer

Ericpol (Ericsson)

• Solving issues with 2G network simulation application.

• Maintenance and expanding testing jobs in Jenkins.

• Implementing of 2G mechanisms in Java.

• Writing technical documentation.

• Working with other teams.

04/2016 - 07/2016

Intern

Ericpol (Ericsson)

• Application maintenance (2G network simulation).

• Creating test cases in Java (for 2G network simulation).

• Implementing searching scripts in Python.