Senior Frontend Developer (React) in Constanţa

material UI (advanced) Redux (advanced) TypeScript (advanced) React (advanced) JavaScript (advanced) Who we areWe are a technology & consulting company focused on custom software and product development. As a team of experts, we work with technology that makes a difference and has a tangible impact on the world of everyday life, supporting clients' business and digital transformation.Combining cutting-edge technology, people's talent, and innovation, we create end-to-end robust software solutions that help our clients accelerate their business development with the latest technology advances. Our solutions use artificial intelligence, machine learning, cloud computing, IoT, big data, business intelligence, and advanced analytics to provide scalable, reliable software that gives businesses unlimited flexibility to changing needs.Key facts:Year to year our revenue grows by more than 100% exceeding 10 Mio previous year.We are scaling up the company with a target of 200 people this year.We are a great team of experts in our field.Vast majority of our clients are from foreign countries.Join us and make a real impact with Codibly!Profile:People Managament: 20%Software Design: 15%Development: 45%Support and maintenance/bug fixing: 5%Tests: 15%We offerFull time positionA non-corporate atmosphere full of openness to innovation, improvement, teamwork and data-driven approachReal influence on company cultureFlexible working hours and remote workTraining budgetPrivate healthcare, Cafeteria System and other benefits (fruit and vegetables every day, bicycle parking, playroom, etc.)Office in the centre of Krakow (Zabłocie Business Park)Responsibilities:Working on UI components in ReactImplement new features from the requirement to the production deployEstimate, refine and document requirementsWrite tests for your codeCooperate with backend developers to agree on communication layerMentor junior developersContribute to internal procedures and processesQualifications:At least 4 years of commercial experienceWe expect you to be a senior level programmer, so you can be fully independent and reliable on daily tasks. This comes with the experience.Expert in React & ecosystemWe use React as our primary “way of development”, so we expect you to know it very well, including it’s newest features, performance optimization and ecosystem.Angular as the second choiceIn some projects at Codibly we use Angular so if you have expertise in this it is an additional benefit for us.Unit & integration testingWe aim to test as much as possible. You should be able to write a variety of tests, and also know when to use each of them. You should know the business value of writing tests and how to maintain them.Knowledge of design patterns and programming principlesOn a senior level we expect programmers to know design patterns and programming principles related to frontend and computer science itself. We believe that using such patterns decreases cognitive complexity when code is read and discussed.Understanding of functional programmingWe expect you to understand FP and FRP and know when to use each paradigm. You should know when OOP doesn’t work, but also when it’s more accurate than FP.Ability to design high level architecture of frontend applicationsAs a senior developer you will be thinking in every layer of application, including high level architecture. You should be able to evaluate and propose different approaches, create POCs and write documentation.Some knowledge of backend programmingOn a senior level you should have at least basic knowledge about how the backend works, ideally you have some experience as a full stack developer. You should be able to look wider than frontend itself. You will be also discussing APIs and contracts with backend developers.Experience in UI frameworks like Material UI or similarWe focus on solving business problems, so we try to minimize time spent on repetitive tasks like styling. We use Material UI in most of our projects and adjust it for our needs. We value experience with using component libraries like Material.Experience with GIT and Git FlowWe use GIT as a version control system, so you should be fluent with it. Also you should know git workflows like Git Flow.Experience in agile developmentWe aim to use scrum methodology if possible, but for sure we have agile mindsets. You should know how to deliver business value in an incremental wayExperience in estimating projects and featuresAs a senior developer you should be able to estimate requirements on scrum plannings, but also do high level estimations on projects.Will to claim the ownership of required tasksAs a senior developer you should take responsibility for tasks we need to develop for our clients. We work as a team, but we expect you to take ownership and deliver without supervision.Will to mentor and lead other developersWe expect senior developers to guide less experienced ones. It’s also possible you will lead the frontend part in your project.Experience in working with a clientsGathering requirements both during workshops and on day-to-day work is one of responsibilities of all members of the scrum team but we especially count on the most experienced ones.Strong communication in EnglishWithin Codibly we speak Polish, but we work on international projects. You should be fluent in English and speak freely with clients


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