Mid/Senior Frontend Engineer in Constanţa

CSS (regular) English (advanced) TypeScript (advanced) JavaScript (advanced) React (advanced) Retention Science is looking for an experienced front-end engineer passionate about writing clean, well-tested code. We’re looking for someone who wants to work collaboratively with PMs, front-end, and multiple backend teams, driving our newest application features into production and ensuring that our product is moving forward to the delight of our clients. You will be building out the robust UI/UX applications that schedule, optimize, and automate marketing campaigns powered by our data science and machine learning models. The tools you build will communicate across external and internal service APIs to help our clients visualize and interact with their data (millions of users and data points.)You will be part of a distributed front-end team (with HQ in Santa Monica) responsible for our front-end applications. You will work closely and coordinate with teams across the stack - front-end, back-end, and across our micro-services and distributed systems. You should love working with and have a mastery of technologies across the JS ecosystem. You will also receive comprehensive exposure to all aspects of our business, from the application of ML to how we operate large-scale distributed systems and market and sell our product. The code and ideas you contribute will have a tangible impact on the cumulative work of the team as a whole. You thrive in a small, dynamic team environment and want to make an impact.You can choose if you want to work from home or our office in Cracow, localized in the Zablocie district. We occasionally gather in the office (once a quarter), so ideally, you should live in Cracow or somewhere in Poland. Some of our front-end technology includes:ReactTypescriptReact HooksReact QueryLernaRedux SagaJest / CypressJSQualifications:3+ years of experience with Front-End developmentStrong history of cross-team (front-end/back-end/PM/design/QA) collaboration to deliver productsJavascript expertExperience in React and TypeScriptExperience designing and implementing large, scalable web applications Experience working with third-party APIsKnow when and where to optimize and cacheExperience working with a remote / distributed team Responsibilities: Engineer front-end applications to support platform featuresWork with PMs and designers to implement UI/UX features from mock-upsConfer with multiple teams to assess project scope and determine requirements and timelinesCoordinate with back-end developers to design and ensure smooth integration of APIsImplement and maintain front-end infrastructureMaintain build and deployment (CI) pipeline for front-end projectsIdentify scaling issues and improve the scalability of the data processing platform to meet growth needsTroubleshoot and correct existing software errorsDesign and develop automated testing processesEnsure adequate documentation for your design and implementationPerks:Salary paid in USD ($3500-$5500 / month)Paid holidays (20 days for B2B)Flexible work hoursMacBook Pro 14”/16”Additional monitorErgonomic chairCozy office in Krakow (Zabłocie district)