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jobs
Software Engineer
Konstantinos Leimonis
,
London, United Kingdom
Experience
Other titles
Skills
I'm offering
Full-stack web developer, passionate about elegant code, implementing best practices and standards based, easily maintainable and extendable software. Being proactive, diligent and cooperative, my main aim and role is to deliver products and services fully functional and optimised according to the industry standards. Curious about emerging web technologies and innovative, off the beaten path ideas & projects.
Interested in functional programming, software architecture, design patterns, modular development, relational and noSQL databases, software performance engineering, rapid prototyping frameworks, rich client UIs. Research interest in the field of machine learning.
Specialties: Web Standards, React/Redux, React Native, NodeJS, AngularJS, Webpack, Javascript/jQuery, CSS/SASS/LESS, HTML5, Web Services, APIs, Git, Agile, Scrum
Interested in functional programming, software architecture, design patterns, modular development, relational and noSQL databases, software performance engineering, rapid prototyping frameworks, rich client UIs. Research interest in the field of machine learning.
Specialties: Web Standards, React/Redux, React Native, NodeJS, AngularJS, Webpack, Javascript/jQuery, CSS/SASS/LESS, HTML5, Web Services, APIs, Git, Agile, Scrum
Markets
United Kingdom
Language
English
Fluently
Ready for
Ongoing relation / part-time
Available
My experience
2018 - 2019
job
Senior Software Engineer (Contract)
Hostmaker.
Hostmaker.
UNITED KINGDOM (REMOTE)
Working in a distributed across many European countries team, organized in cross functional
squads, using agile processes.
Leading new feature development and technical migration in host related products.
Mentoring engineers in best practices, design patterns and conventions, driving code reviews
& one-to-one sessions. Close collaboration with product owners and managers, designers for
scoping requirements, creating user stories and epics, backlog and technical refinement.
Javascript, ES6+, React, Node.js, Express, Webpack, ESLint, Jest, Enzyme, Mocha, Chai, Sinon,
CSS Modules, AWS, Redis, MySQL, Docker, Kubernetes, CircleCI, Github
Working in a distributed across many European countries team, organized in cross functional
squads, using agile processes.
Leading new feature development and technical migration in host related products.
Mentoring engineers in best practices, design patterns and conventions, driving code reviews
& one-to-one sessions. Close collaboration with product owners and managers, designers for
scoping requirements, creating user stories and epics, backlog and technical refinement.
Javascript, ES6+, React, Node.js, Express, Webpack, ESLint, Jest, Enzyme, Mocha, Chai, Sinon,
CSS Modules, AWS, Redis, MySQL, Docker, Kubernetes, CircleCI, Github
User stories, Processes, Patterns, Feature, Express, Software, Development, Jest, ES6, Webpack, Node, Redis, Github, Javascript, Design Patterns, Kubernetes, Mentoring, Agile, AWS, Docker, React, Node.js, Mysql, Design, Css
2017 - 2017
freelance
Software Engineer (Contract)
AgentRisk.
REMOTE
Responsible for implementing new web and mobile application, using React/Redux and React
Native respectively. Took ownership from the very beginning for both applications.
Responsible for developing key features, structuring code, unit & integration tests.
Javascript, ES6, React, Redux, Redux Sagas, Jest, Enzyme, Webpack, CSS3/SASS,
Python, Flask
Responsible for implementing new web and mobile application, using React/Redux and React
Native respectively. Took ownership from the very beginning for both applications.
Responsible for developing key features, structuring code, unit & integration tests.
Javascript, ES6, React, Redux, Redux Sagas, Jest, Enzyme, Webpack, CSS3/SASS,
Python, Flask
Javascript, Python, Css3, React, Sass, Redux, Integration, Webpack, ES6, Flask, Mobile Application, Jest, Software, Web, Native
2015 - 2017
job
Software Engineer
Persado.
GREECE
Responsible for key feature development, maintenance and modernization of company's web
application. Closely collaborated with product and UI/UX team. Heavily involved in interviewing engineer candidates and educate new colleagues. Leaded the front-end team.
Initiated new techniques & technologies in the development flow. Coaching junior team
members.
Javascript, ES6, AngularJS, Webpack, CSS3/SASS, GraphQL, Mocha, Chai, Sinon, Ruby,
Ruby on Rails
Responsible for key feature development, maintenance and modernization of company's web
application. Closely collaborated with product and UI/UX team. Heavily involved in interviewing engineer candidates and educate new colleagues. Leaded the front-end team.
Initiated new techniques & technologies in the development flow. Coaching junior team
members.
Javascript, ES6, AngularJS, Webpack, CSS3/SASS, GraphQL, Mocha, Chai, Sinon, Ruby,
Ruby on Rails
Javascript, Css3, Coaching, UX, AngularJS, Ruby on rails, Sass, UI, Graphql, Webpack, ES6, Development, Software, Web, Feature
2014 - 2015
job
Software Engineer
Hellenic Army IT Support Center.
GREECE
Responsible for maintenance and further extension of the functionalities of the private military
management systems used within the intranet network. I was also assigned the performance
optimization of the data access layer. Promoted to lance corporal with sergeant's first class
duties, managing human resources.
Java, JSP, Hibernate, MySQL
Responsible for maintenance and further extension of the functionalities of the private military
management systems used within the intranet network. I was also assigned the performance
optimization of the data access layer. Promoted to lance corporal with sergeant's first class
duties, managing human resources.
Java, JSP, Hibernate, MySQL
Mysql, Java, Human Resources, Management, Hibernate, Network, Jsp, Software
2013 - 2014
job
Web Developer
Mozaik Ltd.
GREECE
Responsible for the development of many websites heavily based on web design. Performance and optimization were some of the most important tasks I had to give solution. Collaboration
with designers and project managers was a daily process for the better requirement collection
& analysis. Introduced workflow optimization using up-to-date technologies such as Node.js,
Grunt.js, Bower into the project development process. Organized training of the personnel on the Magento Ecommerce web development.
PHP, Cake PHP, MySQL, Magento, Javascript, jQuery, CSS/LESS, HTML5
Responsible for the development of many websites heavily based on web design. Performance and optimization were some of the most important tasks I had to give solution. Collaboration
with designers and project managers was a daily process for the better requirement collection
& analysis. Introduced workflow optimization using up-to-date technologies such as Node.js,
Grunt.js, Bower into the project development process. Organized training of the personnel on the Magento Ecommerce web development.
PHP, Cake PHP, MySQL, Magento, Javascript, jQuery, CSS/LESS, HTML5
Training, UP, Web, Development, Developer, Workflow, Less, Node, SoMe, Magento, Web design, Javascript, Websites, Ecommerce, Node.js, Jquery, Mysql, Php, Design, Html5, Css
2012 - 2013
job
Web Developer (Researcher)
Laboratoire d'Informatique de l'Ecole Polytechnique.
FRANCE
Designed new architecture of the system & database structure, maintained & modified
previous main system algorithm, visualized the data collected.
Java, Java Servlets, JSP, Javascript, CSS, HTML
Designed new architecture of the system & database structure, maintained & modified
previous main system algorithm, visualized the data collected.
Java, Java Servlets, JSP, Javascript, CSS, HTML
Javascript, Css, Html, Java, HTML/CSS/Javascript, Database, Researcher, Architecture, Jsp, Developer, Web
2012 - 2012
job
Web Developer (Researcher)
DB-NET.
GREECE
Developed web application to automate and optimize advertising campaigns in matter of profit and traffic, on Google Adwords, using the corresponding API. Use of machine learning
algorithms.
Java, Java Servlets, JSP, Javascript, CSS, HTML
Undergraduate Thesis: Web Interface for Optimizing Online Advertising Campaign
Performance
Supervisor: Vazirgiannis Michalis
Developed web application to automate and optimize advertising campaigns in matter of profit and traffic, on Google Adwords, using the corresponding API. Use of machine learning
algorithms.
Java, Java Servlets, JSP, Javascript, CSS, HTML
Undergraduate Thesis: Web Interface for Optimizing Online Advertising Campaign
Performance
Supervisor: Vazirgiannis Michalis
Adwords, Online, Campaign, Google, Web, Developer, Jsp, Researcher, Algorithms, Javascript, HTML/CSS/Javascript, Machine learning, API, Advertising, Google adwords, Java, Html, Css
2011 - 2012
job
"Arkas" (greek comic series)
AndroidOS.
maintained and
redesigned some Android applications for MAD TV (greek music chanel). Developed the front-end design of the online-mobile push notification coming from the Warp.ly mobile
application.
Java, Android SDK, CSS, HTML
Supervisors: Vassalos Vasileios, Yiannis Doxaras (Grade: 10/10)
ㅡ
redesigned some Android applications for MAD TV (greek music chanel). Developed the front-end design of the online-mobile push notification coming from the Warp.ly mobile
application.
Java, Android SDK, CSS, HTML
Supervisors: Vassalos Vasileios, Yiannis Doxaras (Grade: 10/10)
ㅡ
Css, Html, Design, Java, Android, HTML/CSS/Javascript, SoMe, TV, Android sdk, Mad, Music, Online
2010 - 2010
job
Assistant Supervisor
Niobium Labs Ltd.
Android Developer (Internship)
Android, Developer, Internship
My education
2008
-
2012
Athens University of Economics and Business
BSc, Computer Science
BSc, Computer Science
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