Senior React Developer

About the Webellian

Webellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy.

Who are we looking for?
As a Frontend Developer, you will be a part of a multi-disciplinary agile team that is responsible for developing services to process and localize large amounts of e-commerce listings and run thousands of localized e-commerce sites.

Our technology stack:

• React SPA, Redux store, TypeScript, Vue.js
• REST and GraphQL APIs
• Docker and Kubernetes
• Amazon Web Services (EC2, RDS, ELB, EBS, API Gateway, Lambda)
• RabbitMQ, Kafka
• ElasticSearch, Redshift, MongoDB, My SQL, PostgreSQL

What do we do?

• We work on the development of our client faced application and internal applications to support a flow of millions of
• products and orders between domestic and international stores
• We help with architecture-level design decisions during various phases of a project.
• We influence our peers, our stakeholders to design a top-notch solution for every problem space we put our hands on.
• We improve the performance and scalability of our services and applications
• We breathe and live by Test Driven Development to outsmart our QA colleagues
• We continually seek to develop our skills, learning tools and technologies that help us master our profession
• We always stand up to the challenges our software may present to the not-so amused customer, we are the lighting the tunnel, not just at the end of it.

How do we work?

• We believe in teamwork and self-organization
• We follow Agile principles (Scrum and Kanban)
• We are highly autonomous - we choose our own goals and projects which contributes to a company strategy as well as tools that make our work efficient
• We are closely cooperating with the business stakeholders, data engineers, data science and other product developers
• We use Agile development flow based on GitLab, JIRA, Slack and the CI
• We have mature product pipeline with predefined specs, designs and architectures for all features
• We have battle-proven approach to testing, static code analysis and code reviews
• Code linters to guard a top-class Elixir (Credo, ExFormat) and JavaScript code (ESLint)
• Complete toolset including New Relic, Sentry and Graphana to inspect & fix performance issues

• 3+ years of recent production quality product development experience
• Solid experience in writing complex JavaScript applications
• Excellent knowledge of plain, modern JavaScript (ES2015+) and object-oriented programming in general
• Experience with React + Redux applications
• Experience with REST APIs
• Experience in optimizing websites on frontend part
• Solid experience writing maintainable CSS
• Solid experience avoiding Callback Hell and Promise Hell
• Git
• Exposure to Vue.js & TypeScript
• Exposure to GraphQL
• Good written and spoken English, comfortable with working in an international environment

Nice to have

• Broad and extensive experience in development of React + Redux applications
• Good knowledge of JavaScript build tools (eg. Webpack) and the yarn ecosystem
• Knowledge of redux-saga, redux-forms, style-loader and css-loader, reselect...
• Experience with ESLint for linting
• Experience with tools for testing JavaScript and React code (eg. Jest, Enzyme)
• Knowledge of other programming languages (eg. Python, PHP)
• Passion to write well-structured, easily maintainable, well-documented code
• Strong communication skills, ability to self-organize and work well within teams

We offer

• The chance to work on a large-scale exciting products
• The opportunity to work as part of a dynamic, experienced, international team
• English is our working language and our colleagues comes from every corner of the globe, working in a diverse, passionate and international team.
• Develop your language skills with free courses in French, German, English and Polish
• Access our e-learning platform and participate in various in-house trainings