freiberufler Lead/Senior freelance engineer (React, React Native, TypeScript, Node, GraphQL) auf freelance.de

Lead/Senior freelance engineer (React, React Native, TypeScript, Node, GraphQL)

offline
  • 90€/Stunde
  • 10179 Berlin
  • Europa
  • pl  |  en
  • 25.10.2023

Kurzvorstellung

Senior full-stack Typescript developer with 10 years of experience, specialising in building data-rich dynamic applications. I'm skilled in React, React Native, NodeJS, GraphQL and TypeScript.

Qualifikationen

  • GraphQL
  • JavaScript
  • Node.js
  • NOSQL
  • React (JavaScript library)
  • Software Architektur / Modellierung
  • Software engineering / -technik
  • SQL
  • Testautomatisierung
  • TypeScript

Projekt‐ & Berufserfahrung

Full Stack Engineer
MindGym, Remote
1/2023 – 6/2023 (6 Monate)
Dienstleistungsbranche
Tätigkeitszeitraum

1/2023 – 6/2023

Tätigkeitsbeschreibung

I was commissioned to develop a dashboard that company's clients can use to track their employees progress. It consists of React base web app and REST serverless API used to integrate with Mindgym internal services.

Eingesetzte Qualifikationen

Node.js, TypeScript, React (JavaScript library)

Interim Head of Engineering
Jelly, Remote
3/2022 – 12/2022 (10 Monate)
Gastronomie
Tätigkeitszeitraum

3/2022 – 12/2022

Tätigkeitsbeschreibung

At Jelly, a kitchen management platform, I served as the interim Head of Engineering. My responsibilities included building a development team, optimizing application performance, and implementing key features. In addition to these, I also coordinated engineering sprints and ensured robust collaboration with company leadership.

Eingesetzte Qualifikationen

GraphQL, Jira, Node.js, Amazon Web Services (AWS), React (JavaScript library)

Senior Software Engineer
MIndGym, Remote
10/2021 – 3/2022 (6 Monate)
Dienstleistungsbranche
Tätigkeitszeitraum

10/2021 – 3/2022

Tätigkeitsbeschreibung

In my role at Mind Gym, a company leveraging behavioral science to enhance individual and organizational performance, I was tasked with developing a GraphQL API and a VueJS client application to streamline the onboarding and management of coaches..

Eingesetzte Qualifikationen

GraphQL, SQL, Testautomatisierung, Node.js, TypeScript, Amazon Web Services (AWS), Vue.js

Full Stack Engineer
BCG Digital Ventures, Remote
3/2021 – 8/2021 (6 Monate)
Gesundheitswesen
Tätigkeitszeitraum

3/2021 – 8/2021

Tätigkeitsbeschreibung

I was engaged to assist in the development of tilda.de, a mental health platform, a project of BCG Digital Ventures. As part of a small, focused team, I was accountable for designing and implementing full-stack features from the ground up.

Eingesetzte Qualifikationen

GraphQL, Node.js, TypeScript, React (JavaScript library)

Ausbildung

No studies, no certificates, just 12y of experience working across multiple different tech stacks an
Ausbildung
Why this field is required?
1900

Über mich

have worked across modern front-end and back-end programming technologies. Growth is a very important part of my practice - I enjoy being challenged and I constantly look for new technologies and solutions to improve my workflow.

Weitere Kenntnisse

I have in-depth knowledge and delivery experience in the following areas:

- Development of single-page applications (React, AngularJS, Vue) and mobile applications (React Native, Expo)
- Designing and creating APIs (RESTful and GraphQL)
- Modern JavaScript and Typescript, HTML5 APIs
- PostgreSQL, query optimization, database optimization
- Integration and utilization of Third-Party APIs
- Optimization techniques, accessibility, responsive web design
- AWS (Lambda, RDS, S3, EC2, CDK, CloudFormation), Firebase
- CSS, CSS preprocessors, postCSS, styled-components, CSS methodologies

Persönliche Daten

Sprache
  • Polnisch (Muttersprache)
  • Englisch (Fließend)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
Home-Office
unbedingt
Profilaufrufe
119
Alter
31
Berufserfahrung
13 Jahre und 4 Monate (seit 12/2010)

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