Rosen Tsankov

Implementing a whole new Administrative Dashboard and Back Office front end applications. Building up from scratch UI components.

Extending already built client applications with new features, changes in the backend API.

Responsible for business concept changes on the both backend and frontend sides.

Tech Stack:

Node.js

Angular

React

Ionic

Java

Leadership of a freelance project for Smart TV application for video streaming.

• Managed stakeholder expectations through clear communication of goals, objectives, and timelines.
• Developed comprehensive project plans to ensure on-time delivery and successful outcomes.
• Enhanced team performance by providing regular feedback, coaching, and mentoring to team members.

Tech stack:

- React js

- React Native

- PHP Laravel

- Participated in whole platform transformation planning. Collaborating with both designers, developers team for most appropriate decision regarding the choice of Front end tools.

- Building up the basis of the architecture of the new application

- Implementing new process in development workflows

- Enhanced user experience by optimizing website performance and implementing responsive designs.

- Mentored junior developers by providing guidance on best practices and industry standards in front-end development.

- Developed reusable UI components using Angular, increasing productivity of the entire development team.

Tech Stack:

- Angular

- Node.js

- Ionic

Consulting and implementing solutions in the following areas

• Designed and updated layouts to meet usability and performance requirements.
• Automation of building hybrid mobile application for both iOS and Android, by building up pipelines.
• Resolved app defects by reviewing bug reports and tracking repeatable malfunctions within software titles.
• Tracked post-deployment bug reports to recognize and resolve trends among user-reported faults and complaints.
• Consulted with customers to gather requirements and discuss design choices.
• Worked in Agile-driven environment to effectively maintain project timelines and utilize available resources.

Tech Stack:

- Angular 12

- Ionic Framework

- Typescript

Development tools:

- Bash scripts

- Docker

• Adjusted design parameters to boost performance and incorporate new features.
• Developed conversion and system implementation plans.
• Authored code fixes and enhancements for inclusion in future code releases and patches.
• Collaborated with developers and performance engineers to enhance supportability and identify performance bottlenecks.
• Maintained existing applications and designed and delivered new applications.
• Coordinated deployments of new software, feature updates and fixes.
• Reviewed code, debugged problems and corrected issues.
• Coordinated with other engineers to evaluate and improve software and hardware interfaces.

Tech Stack:

- Angular 14

- Node.js

- Java (Spring Framework)

- PostgreSQL

Additional tools:

- Nx.dev

- Docker

- Git

- Slack

• Consulted with engineering team members to determine system loads and develop improvement plans.
• Coordinated with other engineers to evaluate and improve software and hardware interfaces.
• Reviewed code, debugged problems and corrected issues.
• Estimated work hours and tracked progress using Scrum methodology.
• Fix and developed features in a huge monitoring monolith system

Tech Stack

- Angular 6

- Java 8 (Spring)

- PostgreSQL

Taking the role of a short time helper. By giving a hand with setup some cloud deployments to Kubernetes. Increasing code coverage of the project.

Tech Stack:

• Node.js

- Mocha

- Chai

- Express.js

- Mongoose

• Docker
• Kubernetes (Google Cloud Platform environment)

• Coordinated with Product Owners to evaluate and improve software.
• Gathered and defined customer requirements to develop clear specifications for new features.
• Bug fixing on both (backend/frontend) sides of the product
• Adjusted design parameters to boost performance and incorporate new features.

Tech Stack:

- Node.js

- Nest.js

- TypeORM

- Angular 9

- Material Design

- Ngrx Store (Redux)

- Electron.js

• Part of a small team developing software in farmers industry. Main responsibilities - to be a ninja and to have the desire to learn and implement solutions. My tasks included developing new features (within the whole flow): database design, backend logic, frontend implementation.
• The goal from every tasks was: Implement the task and fix every crucial problem which you see while rolling through the architecture.
• Responsible for cloud deployment and optimization of needed hardware resources by performing stress tests, optimizing the code base which resulted in 20% to 30% reduction of the expenses.

Tech Stack:

• Node.js - Express.js, Typescript, Mongoose, Mocha, Chai
• Angular 8 - Ngx UI
• MongoDB
• Google Cloud Platform
• Kubernetes
• Docker

• Collaborated on all stages of systems development lifecycle, from requirement gathering to production releases
• Delivered and maintained scalable system architecture to support high-availability Internet site with various internal applications
• Revised, modularized and updated old code bases to modern development standards, reducing operating costs
• Stress-tested server code to validate code changes
• Wrote Java applications in micro service architecture for bank industry
• Collaborated with project managers to select ambitious, but realistic coding milestones on pre-release software project development
• Coordinated with project management staff on database development timelines and project scope
• Worked closely with clients to establish specifications and system designs.

Tech Stack:

• Java 8
• Spring - Core,Data,Boot,REST Docs,Web Services
• Kubernetes (Google Cloud Platform environment)
• Microsoft Azure
• Node.js
• MySQL

• Basically joined in a team for while to “give a hand” with a bunch of basic tasks using Scala

Collaborating with a 13-member team which is responsible for a bunch of services (both frontend and backend). My tasks were huge mixture of bugs and new features.

Tech Stack:

• Angular 8
• Spring - Boot, Data,Web

Databases:

• MySQL

Dev tools:

• Docker
• Atlassian products (JIRA,Bitbucket,Confluence)

Our team is responsible for implementing CRM system from scratch based on already implemented one. Main goal is migrating to newest technologies on the market , which is going to result in effortless delivering of new features and easier for maintaining the product.

• Collaboration with the CRM users , for implementing new features
• Implement CI pipelines
• Managing Cloud deployment (GCP - Google cloud platform)
• Writing basic bash scripts
• TDD development methodology

Tech Stack:

• Angular 6
• Node js (Typescript)
• Java EE
• Java ZK Framework
• Spring boot

Dev tools:

• Docker
• Maven
• Git
• Gitlab CI

Databases:

• MySQL
• MongoDB

I was part of development new product. It includes migration to Spring of already released one and extending it by developing new features.

Execute product owner role for some of the features which made me responsible both developing and managing

Tech Stack:

• Spring Boot
• Java EE
• Javascript - JQuery , Ajax

Dev Tools

• Git
• Docker
• Maven

Databases:

• MySQL
• PostgreSQL

• Developed and maintained program and system documentation
• Wrote clean, clear and well-tested code for various projects
• Carefully documented technical workflows in a private wiki for education of newly hired employees
• Implementing new features in already released products. Writing code which is adapted with the code style of the already created architecture
• Directly communication with the QA of the project for getting software requirements and showing demo after implementation
• Daily synchs

Tech stack:

• Java EE
• Hibernate
• Javaserver Faces (JBoss)

Dev Tools:

• SVN
• Maven

Databases:

• PostgreSQL

• Developed simple web application guided by senior developers
• Communication with clients
• Collaborated with other developers to identify and alleviate the number of bugs in the software
• Bug fixing of the reported issues by clients
• Met with manager on a weekly basis to provide a detailed project report and milestone updates