Full Stack (mainly MERN) developer with AWS Developer Associate certificate, Team/tech-leadership experience and history of own endeavors.
Aktualisiert am 18.02.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.02.2024
Verfügbar zu: 100%
davon vor Ort: 100%
ReactJS
Node.js
AWS
MySQL
MongoDB
REST
HTML
CSS
Angular
Redis
Teamleading
Python
Deutsch
Architekturmanagement
GraphQL
Domain Driven Design
C++
English
C1
German
B2

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years
2023-01 - now

Cloud based web apps development

Founder React.js Node.js TypeScript ...
Founder
  • Company management: content marketing, recruitment, sales
  • Software development: Business analysis, tech stack selection, architecture design, software development, quality assurance, infrastructure setup, maintenance
  • Developed from scratch an MVP for a Market Research company, with features such like: user management, video calls, meetings scheduler, surveys generation and evaluation, AI evaluation of the respondents, research project management
  • Developped a nieche marketplace MVP (in progress/on hold) for a german startup allowing to match business providers with potential customers
  • Hacked into a customer's EC2 instance to recover inaccessible production code
React.js Node.js TypeScript MySQL RabbitMQ Docker AWS (EC2/S3/IAM/Cloudfront/API Gateway/ECR/EFS/RDS) FFMPEG Janus Gateway WebRTC Whisper OpenAI MetaTrader 4&5
on Request
Cracow, Poland
8 months
2022-02 - 2022-09

Team mentoring, technical guidance and work supervision

Development Team Leader Node.js Jest AWS ...
Development Team Leader
  • Close cooperation with a PO and designs proposal based on established requirements
  • Development and maintenance of Kaholo plugins (APIs integration)
  • Rapid customers requests handling and delivery
  • Recruitment process
  • Reorganized the development process cycle improving its performance and plugins' quality
  • Mentored a junior engineer's development into a strong mid level engineer
  • Designed a common code libraries (released as an NPM package), which enhanced and simplified the plugins development experience
Node.js Jest AWS GCP Docker Git Github Hashicorp Vault Airtable Kubernetes Helm
Kaholo Ltd.
Remote
1 year 6 months
2020-08 - 2022-01

Development and maintenance of a video streaming platform

Senior Full Stack Developer JavaScript (ES6) TypeScript React.js ...
Senior Full Stack Developer
  • Development and maintenance of a video streaming platform handling tens of
  • thousands concurrent users.
  • Co-redesigned legacy core domain billing service following DDD principles
JavaScript (ES6) TypeScript React.js Redux HTML5 CSS3 GraphQL Node.js ExpressJS MongoDB Webpack Jest Docker
Kodify Media Group
Remote
3 years 2 months
2017-06 - 2020-07

Group management (cross-project line management)

Senior Software Engineer/Group Manager/Tech leader JavaScript (ES6) React.js Redux ...
Senior Software Engineer/Group Manager/Tech leader
  • Close cooperation with customer, gathering the requirements and delivering suitable solutions
  • Tech led a semi-distributed project; developing it from 2 to 8 members; customer located 8 timezones apart; long term tasks and features planning;
  • Reimplemented customer's frontend application boosting it's performance up to 300%; Designed the frontend's architecture;
  • Encouraged the customer to extend and prolong the contract, by maintaining high quality relationship and delivering robust application improvements on time;
  • Prevented few employees (group members) from leaving

JavaScript (ES6) React.js Redux HTML5 CSS3 GraphQL Node.js MongoDB ActiveMQ AWS Webpack Jest Mocha
Mobica Limited Sp. z o.o.
?ód?, Poland
1 year 4 months
2016-02 - 2017-05

Development

Software Developer C++ Versant IBM MQ ...
Software Developer
  • Development and design of Airline's Ticket Sales system
  • Development of a frontend part of a data and documents exchange tool
C++ Versant IBM MQ Distributed System Sockets Network programming AngularJS JavaScript Bootstrap3 HTML5 CSS3
Hewlett Packard Enterprise/DXC Technology
?ód?, Poland
1 year 8 months
2014-06 - 2016-01

Development and maintenance of LTE network simulator

Junior/Regular Software Developer
Junior/Regular Software Developer
, 
Cybercom Poland Sp. z o.o.
?ód?, Poland
8 months
2013-10 - 2014-05

Development and maintenance of 2G/3G networks simulators

Junior C++ Developer
Junior C++ Developer

Ericpol
?ód?, Poland

Aus- und Weiterbildung

Aus- und Weiterbildung

1 month
2023-02 - 2023-02

AWS Developer Associate

Certificate,
Certificate
5 years 7 months
2014-03 - 2019-09

Computer Science - Distributed Systems and Mobile Platforms

Mgr (MSc), ?ód? University of Technology
Mgr (MSc)
?ód? University of Technology
3 years 5 months
2010-10 - 2014-02

Computer Science, Bilingual studies

In? (BSc), ?ód? University of Technology
In? (BSc)
?ód? University of Technology

Position

Position

  • Full Stack Developer
  • Architect
  • Teamleader
  • Techleader

Kompetenzen

Kompetenzen

Top-Skills

ReactJS Node.js AWS MySQL MongoDB REST HTML CSS Angular Redis Teamleading Python Deutsch Architekturmanagement GraphQL Domain Driven Design C++

Produkte / Standards / Erfahrungen / Methoden

JavaScript
Experte
TypeScript
Fortgeschritten
AWS
Fortgeschritten
Node.js
Fortgeschritten
React
Experte
Angular
Basics
HTML & CSS
Fortgeschritten
REST
Fortgeschritten
Express.js
Fortgeschritten
GraphQL
Fortgeschritten
NextJS
Basics
NestJS
Basics
MongoDB
Fortgeschritten
MySQL
Fortgeschritten
Docker
Fortgeschritten

Profile:

Developer with over 10 years of commercial experience, 2 years of team management and succesfull freelancing projects.


Skills:

  • Full Stack development involving each step of the application life cycle (from the business analysis, through tech stack selection, system architecture design, backend and frontend implementation, infrastructure setup, to releases management)
  • Team & Company management (sales, branding, recruitment, coaching)

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years
2023-01 - now

Cloud based web apps development

Founder React.js Node.js TypeScript ...
Founder
  • Company management: content marketing, recruitment, sales
  • Software development: Business analysis, tech stack selection, architecture design, software development, quality assurance, infrastructure setup, maintenance
  • Developed from scratch an MVP for a Market Research company, with features such like: user management, video calls, meetings scheduler, surveys generation and evaluation, AI evaluation of the respondents, research project management
  • Developped a nieche marketplace MVP (in progress/on hold) for a german startup allowing to match business providers with potential customers
  • Hacked into a customer's EC2 instance to recover inaccessible production code
React.js Node.js TypeScript MySQL RabbitMQ Docker AWS (EC2/S3/IAM/Cloudfront/API Gateway/ECR/EFS/RDS) FFMPEG Janus Gateway WebRTC Whisper OpenAI MetaTrader 4&5
on Request
Cracow, Poland
8 months
2022-02 - 2022-09

Team mentoring, technical guidance and work supervision

Development Team Leader Node.js Jest AWS ...
Development Team Leader
  • Close cooperation with a PO and designs proposal based on established requirements
  • Development and maintenance of Kaholo plugins (APIs integration)
  • Rapid customers requests handling and delivery
  • Recruitment process
  • Reorganized the development process cycle improving its performance and plugins' quality
  • Mentored a junior engineer's development into a strong mid level engineer
  • Designed a common code libraries (released as an NPM package), which enhanced and simplified the plugins development experience
Node.js Jest AWS GCP Docker Git Github Hashicorp Vault Airtable Kubernetes Helm
Kaholo Ltd.
Remote
1 year 6 months
2020-08 - 2022-01

Development and maintenance of a video streaming platform

Senior Full Stack Developer JavaScript (ES6) TypeScript React.js ...
Senior Full Stack Developer
  • Development and maintenance of a video streaming platform handling tens of
  • thousands concurrent users.
  • Co-redesigned legacy core domain billing service following DDD principles
JavaScript (ES6) TypeScript React.js Redux HTML5 CSS3 GraphQL Node.js ExpressJS MongoDB Webpack Jest Docker
Kodify Media Group
Remote
3 years 2 months
2017-06 - 2020-07

Group management (cross-project line management)

Senior Software Engineer/Group Manager/Tech leader JavaScript (ES6) React.js Redux ...
Senior Software Engineer/Group Manager/Tech leader
  • Close cooperation with customer, gathering the requirements and delivering suitable solutions
  • Tech led a semi-distributed project; developing it from 2 to 8 members; customer located 8 timezones apart; long term tasks and features planning;
  • Reimplemented customer's frontend application boosting it's performance up to 300%; Designed the frontend's architecture;
  • Encouraged the customer to extend and prolong the contract, by maintaining high quality relationship and delivering robust application improvements on time;
  • Prevented few employees (group members) from leaving

JavaScript (ES6) React.js Redux HTML5 CSS3 GraphQL Node.js MongoDB ActiveMQ AWS Webpack Jest Mocha
Mobica Limited Sp. z o.o.
?ód?, Poland
1 year 4 months
2016-02 - 2017-05

Development

Software Developer C++ Versant IBM MQ ...
Software Developer
  • Development and design of Airline's Ticket Sales system
  • Development of a frontend part of a data and documents exchange tool
C++ Versant IBM MQ Distributed System Sockets Network programming AngularJS JavaScript Bootstrap3 HTML5 CSS3
Hewlett Packard Enterprise/DXC Technology
?ód?, Poland
1 year 8 months
2014-06 - 2016-01

Development and maintenance of LTE network simulator

Junior/Regular Software Developer
Junior/Regular Software Developer
, 
Cybercom Poland Sp. z o.o.
?ód?, Poland
8 months
2013-10 - 2014-05

Development and maintenance of 2G/3G networks simulators

Junior C++ Developer
Junior C++ Developer

Ericpol
?ód?, Poland

Aus- und Weiterbildung

Aus- und Weiterbildung

1 month
2023-02 - 2023-02

AWS Developer Associate

Certificate,
Certificate
5 years 7 months
2014-03 - 2019-09

Computer Science - Distributed Systems and Mobile Platforms

Mgr (MSc), ?ód? University of Technology
Mgr (MSc)
?ód? University of Technology
3 years 5 months
2010-10 - 2014-02

Computer Science, Bilingual studies

In? (BSc), ?ód? University of Technology
In? (BSc)
?ód? University of Technology

Position

Position

  • Full Stack Developer
  • Architect
  • Teamleader
  • Techleader

Kompetenzen

Kompetenzen

Top-Skills

ReactJS Node.js AWS MySQL MongoDB REST HTML CSS Angular Redis Teamleading Python Deutsch Architekturmanagement GraphQL Domain Driven Design C++

Produkte / Standards / Erfahrungen / Methoden

JavaScript
Experte
TypeScript
Fortgeschritten
AWS
Fortgeschritten
Node.js
Fortgeschritten
React
Experte
Angular
Basics
HTML & CSS
Fortgeschritten
REST
Fortgeschritten
Express.js
Fortgeschritten
GraphQL
Fortgeschritten
NextJS
Basics
NestJS
Basics
MongoDB
Fortgeschritten
MySQL
Fortgeschritten
Docker
Fortgeschritten

Profile:

Developer with over 10 years of commercial experience, 2 years of team management and succesfull freelancing projects.


Skills:

  • Full Stack development involving each step of the application life cycle (from the business analysis, through tech stack selection, system architecture design, backend and frontend implementation, infrastructure setup, to releases management)
  • Team & Company management (sales, branding, recruitment, coaching)

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

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