Full stack React Developer
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- 10245 Berlin
- Nähe des Wohnortes
- pl | en | de
- 22.06.2023
Kurzvorstellung
• FRONTEND: React, Redux, Router, Responsiveness, ES10
• BACKEND: Microservice, REST, Node, Babel, Serverless, Express, SQL, NoSQL, AWS
• TDD: Test Autom., Jest, Enzyme, RTL, Cypres, Storybook
• AGILE: XP, Scrum, Kanban, User Stories, CD
Qualifikationen
Projekt‐ & Berufserfahrung
4/2020 – 12/2020
Tätigkeitsbeschreibung
ROLE
Full-stack React Developer
PROJECT
SaaS platform to reduce gas and electricity bills
KEY SKILLS
React, Testing Library, Redux, Saga, Cypress, i18next, Semantic UI, Sentry, AWS CodePipeline, CloudFront
ACHIEVEMENTS & RESPONSIBILITIES
• Led high quality and clean code initiative amongst frontend developers.
• Introduced TDD as well as Storybook and encouraged the team to develop components faster in isolation.
• Guided the frontend team on how to write good component and user acceptance tests with React Testing Library and Cypress.
• Improved the provider change process UX by implementing frontend components with a clean architecture that separates frontend components (React), state (Redux), and state transitions (Saga).
• Used a test-first approach to drive the implementation with acceptance, component and unit tests, and shipped app on a weekly basis using continuous delivery with CodePipeline and NPM.
• Saved the company 3 developer months a year by improving the daily standup format.
• Took ownership of updating the project with new NPM scripts, detailed README, and eliminated 50,000 vulnerabilities.
• Tested new pages and component versions with A/B testing to gain user feedback.
Amazon Web Services (AWS), React (JavaScript library), Testen
11/2019 – 2/2020
Tätigkeitsbeschreibung
ROLE
Full-stack React Developer
PROJECT
Responsive Web App to rate and provide feedback about mortgage providers
KEY SKILLS
React, Redux, SVG, Node, Serverless, AWS (CloudFormation, S3, Lambda, API Gateway, CloudWatch, DynamoDB, Route53, CloudFront), REST, Swagger, Jest, Enzyme, Codecept, Storybook, Analytics, JavaScript, HTML5, CSS3, Zeplin
ACHIEVEMENTS & RESPONSIBILITIES
• Enabled client to categorise leads into different quality tiers and to increase revenue without having to generate more leads.
• Implemented a responsive web application with purely functional React components and unidirectional data flow based on Redux and Thunks. Created a Redux middleware to handle error conditions in a central place. Developed a RESTful API with persistence and OpenAPI (Swagger) documentation based on the Serverless framework, AWS API Gateway, Lambda and DynamoDB.
• Drove the implementation with a test-first approach involving acceptance, system, integration & unit tests.
• Automatically deployed App & API to test and production environments by defining continuous delivery pipelines with Jenkinsfiles, common steps with NPM scripts & infrastructure with CloudFormation declarations.
INDUSTRIES
Real Estate, Banking & Finance, Marketing
Node.Js, CSS (Cascading Style Sheet), HTML5, JavaScript, React (JavaScript library)
8/2019 – 9/2019
Tätigkeitsbeschreibung
ROLE
Full-stack React Developer
PROJECT
Dashboard to guide future home owners from finding to financing properties
KEY SKILLS
React, Redux, JavaScript, HTML5, CSS3, SVG, Node, Serverless, AWS (CloudFormation, S3, Lambda, API Gateway, CloudWatch, DynamoDB, Route53, CloudFront), REST, Jenkins, Storybook, Zeplin, Analytics
ACHIEVEMENTS & RESPONSIBILITIES
• Created a React-, Redux- and Router-based web app with onboarding wizard and dashboard to allow a major dutch bank to gain insights into the buying behaviour of potential mortgage customers.
• Provided a serverless API proxy as single point of contact for the app that integrated 2 external HTTP APIs and 5 internal REST APIs.
• Worked closely with Product Owner and UI designer to improve the user experience and filled missing gaps in the still evolving design with app component implementations, satisfying basic design principles.
ReactOS, Test Automation, XML, CSS (Cascading Style Sheet), HTML5, JavaScript
7/2019 – 7/2019
Tätigkeitsbeschreibung
ROLE
Full stack React Developer
PROJECT
Improved menu navigation for a large online market place
KEY SKILLS
HTML5, CSS3, SCSS, SVG, JavaScript, jQuery, Java, Freemarker, Maven, Analytics, Adobe AEM, Zeplin
ACHIEVEMENTS & RESPONSIBILITIES
• Implemented the redesign of the left-hand menu and the top navigation for the largest real estate portal and improved the user experience by filtering menu items based on the user’s role.
• Supported the rollout of the new navigation to dozens of apps maintained by dozens of teams distributed
over 3 locations and allowed a smooth transition via feature toggle.
Syntactically Awesome Stylesheets (Sass), Apache Maven, Node.Js, CSS (Cascading Style Sheet), HTML5, JavaScript, Jquery
3/2019 – 6/2019
Tätigkeitsbeschreibung
ROLE
Full stack React Developer
PROJECT
Share of voice system to promoting real estate agent profiles
KEY SKILLS
React, Redux, Node, AWS, CloudFormation, S3, EC2, RDS, CloudWatch, Route53, CloudFront, SNS REST, Jenkins, TDD, Jest, Protractor, BrowserStac, Saucelabs
ACHIEVEMENTS & RESPONSIBILITIES
• Developed React-based responsive web apps and widgets to edit and present real estate agent profiles and touch points to these profiles in real estate search results.
Jenkins, Node.Js, Amazon Web Services (AWS), HTML5, JavaScript
8/2018 – 2/2019
Tätigkeitsbeschreibung
ROLE
Full stack React Developer
PROJECT
Comprehensive responsive web dashboard to manage mortgages
KEY SKILLS
React, Redux, JavaScript, HTML5, CSS3, SVG, Recharts, TeamCity, NodeJS, Jest, Enzyme, Protractor, Storybook, Zeplin, Analytics, Java, Spring Boot, Flyway, AWS (CloudFormation, S3, EC2, RDS, CloudWatch, Route53, CloudFront), RESTful, Jackson
ACHIEVEMENTS & RESPONSIBILITIES
• Created a sophisticated dashboard with interactive custom pie, bar and line charts based on Recharts to allow users to monitor their mortgage over time. Users were able to get answers to the following questions:
- How much of this home is already mine?
- How does a follow-up mortgage from a different bank effect my payment schedule? - How did the value of my property change over time?
• Built responsive dashboard widgets, onboarding wizard and interactive landing page according to the designs provided by the UX designer and used a Bootstrap like in-house library.
• Used a test-driven approach to drive the development and paired with frontend and backend developers on vertically sliced User Stories.
• Created a Storybook for common components that were later used in other client projects.
Testen, Node.Js, Amazon Web Services (AWS), CSS (Cascading Style Sheet), HTML5, JavaScript, React (JavaScript library)
5/2018 – 7/2018
Tätigkeitsbeschreibung
ROLE
Full stack React Developer
PROJECT
Innovative web & mobile app for sharing project statuses
KEY SKILLS
React, Redux, Router, Bootstrap, HTML5, CSS3, Node.js, Serverless, NoSQL, MongoDB, AWS Cognito, TDD
ACHIEVEMENTS & RESPONSIBILITIES
• Developed a MERRRN app based on React, Redux, Router, Express & MongoDB using a test-driven approach.
• Migrated a RESTful backend infrastructure based on Express and MongoDB into a serverless architecture utilising AWS API Gateway, Lambda & DynamoDB.
Mongodb, Node.Js, Amazon Web Services (AWS), CSS (Cascading Style Sheet), HTML5, React (JavaScript library)
1/2016 – 1/2017
Tätigkeitsbeschreibung
ROLE
Scrum Master, Agile Coach
PROJECT
Agile Software Engineering
KEY SKILLS
Scrum, Ceremonies Facilitation, Retros, User Stories, Backlog Refinement, Burn-up Charts, Trello, JIRA
ACHIEVEMENTS & RESPONSIBILITIES
• Introduced 3 teams to Scrum and facilitated ceremonies such as Retrospectives, Reviews and Daily Stand- ups and worked closely with Product Owners and Stakeholders and ensured backlog is refined.
• Increased the throughput by 50% through limiting the Work in Progress and introducing pair-programming sessions between juniors and seniors.
Agile Methodologie, Extreme Programming, Kanban (Softwareentwicklung), Scrum
Zertifikate
Über mich
Persönliche Daten
- Polnisch (Muttersprache)
- Englisch (Fließend)
- Deutsch (Gut)
- Europäische Union
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