Freelance Developer Resume Sample

– Developing full-stack applications using Angular and Python for various clients.
– Creating and maintaining applications for financial services and the automotive industry.
– Working on a payment system project, ensuring seamless integration and functionality.
– Managing end-to-end development processes including frontend, backend, and deployment.

– Leading frontend development initiatives for TopStepTrader using Angular 5, rxjs, and TypeScript.
– Migrating the codebase from Angular 4 to Angular 5.
– Implementing ngrx (redux store, effects) for state management.
– Utilizing Angular CLI and Webpack for efficient project development and build processes.

– Developing backend solutions with Flask, SQLAlchemy, and Python for online marketing campaigns.
– Implementing frontend components using AngularJS and CoffeeScript for campaign automation tools.
– Enhancing the existing library for large in-memory computations with Pandas.
– Improving deployment scripts with Ansible, managing Docker containers, and optimizing Nginx configurations.
– Working with technologies such as Redis, RabbitMQ, PostgreSQL, Celery, and AWS (EC2, RDS, S3).
– Hiring and mentoring two developers to expand the team.

– Developing software tools for the financial industry, focusing on exposure impairment calculation and risk management.
– Utilizing C#/.NET, MS SQL Server 2014, WebApi 2.0, ASP MVC 5, WCF, jQuery, and Knockout.js.
– Designing and implementing solutions for complex financial calculations and data processing.
– Collaborating with cross-functional teams to ensure project requirements are met.

– Designing and developing extra modules for socialpylon.com.
– Creating a crawling engine based on a customized Scrapy framework, Celery, Redis, MongoDB, PostgreSQL (with PostGIS), and Django.
– Developing a web application for the Volleyball Championship.
– Implementing a Twisted server for a quiz-like game, ensuring high performance and reliability.

– Developing the CZTR law firm website based on a custom CMS using Symfony PHP framework, jQuery, CSS3, Twitter Bootstrap, and MySQL.
– Implementing a responsive web design (RWD) for both frontend and backend components.
– Ensuring cross-browser compatibility and optimizing website performance.
– Collaborating with clients to gather requirements and deliver customized solutions.

– Developing web applications and web services, including design of data layer, backend, and frontend.
– Integrating with external services and APIs, including payment and SMS services.
– Creating Adobe Flash applications using ActionScript 3.0.
– Leading the development of a health and lifestyle project (potrafiszschudnac.pl) based on Django, PostgreSQL, Redis, Celery, and external services.

– Developing social media applications and web tools using CakePHP and Kohana frameworks.
– Working with MySQL, phpMyAdmin, HTML/CSS, and jQuery.
– Integrating Facebook SDK into applications for enhanced social media functionality.
– Collaborating in a startup environment to deliver innovative solutions for clients.

– Developing the client desktop application Chomikbox 2.0 using the Qt framework (C/C++).
– Participating in all phases of the project, from GUI programming to system-related features and network layer development.
– Implementing Windows 7 SDK icon features, menu bar, tray animations, and windows management.
– Managing the bug tracking system based on FlySpray, ensuring timely resolution of issues.