Description
JoomPro is the first and only end-to-end cross-border B2B marketplace.
It serves small, medium, and large businesses, handling orders of any size from start to finish.
Today, JoomPro operates in Brazil and Mexico, with plans to expand into other markets.
JoomPro is one of the key businesses of Joom, an international tech-centric group of e-commerce companies founded in 2016 in Latvia.
Joom Group also includes other businesses: Joom, a global cross-border marketplace; JoomPulse, an AI analytics tool for Mercado Livre sellers; and Onfy, a pharmaceutical marketplace in Germany.
Joom Group has offices in Latvia, China, Portugal, Germany, and Brazil, with its headquarters in Lisbon, Portugal.
We work as one international team, sharing knowledge and collaborating across countries, businesses and products.
We continue to grow and now we are looking for a Senior Frontend Developer with deep frontend expertise and interest in AI development and full-stack growth.
Tech stack: React.js, TypeScript, CSS-modules + many other tools on different projects (PostCSS, Sass, Effector, Next.js, Eslint, Stylelint, Express, Webpack, Cursor, Claude etc.)
Responsibilities
New feature developmentCurrent functionality supportRefactoring
Requirements
Experience in developing large applications using React.jsGood knowledge of native JavaScript and OOP experienceBrowser understanding: how event models work, browser rendering, animation featuresKnowledge of basic programming patterns, basic algorithms and the ability to assess their complexityKnowledge of network protocols
Preferred
Experience with Effector, Redux, react-queryExperience with Next.js, ExpressExperience with TypeScriptExperience with AI tools: Cursor, Claude Code, CodexNginx configuration and Docker experienceMultilingual application development experience
We offer
Compensation package: base salary and performance-based bonusesOffice-first: flexible hours with a possibility to work remotely 52 days per year, and 22 days of paid annual leaveCare & Wellbeing: health insurance (including dental care) for employees and their children, daily meal allowance, and 100% paid sick leaveRelocation Support: full assistance for a smooth relocation for the employees and their familAI-first approach: licenses and access to a wide range of AI toolsTeam & Growth: collaboration with colleagues across Portugal, Brazil, Latvia and China, with opportunities for promotions, professional trainings, and English coursesCommunity & Engagement: annual team building activities, knowledge-sharing workshops, and a strong sense of team work
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