Junior Software Engineer

About L2BEATL2BEAT is an open-source platform that tracks and analyses the Ethereum scaling ecosystem (Layer 2s and related infrastructure). We publish data, dashboards, and risk assessments to help users understand how these systems work and make better-informed decisions. What sets us apart is our commitment to accuracy and neutrality - we aim to be an impartial, independent watchdog that stays credibly neutral and grounded in facts.The roleWe’re looking for a Junior Software Engineer to help us build and improve l2beat.com (and the services behind it).This is a product where requirements evolve often, so curiosity, ownership, and learning quickly are more important than having everything memorized on day one.What you’ll doBuild and ship new functionality on l2beat.comMaintain and improve existing features (performance, reliability, UX, refactors)Build features end-to-end using TypeScript/React on the frontend and Node.js/PostgreSQL on the backendTranslate complex data into clear product features (you’ll work with blockchain-related concepts and datasets - don’t worry, we’ll help you ramp up)Collaborate in a fully remote teamTake part in code reviews to keep quality highWhat we’re looking forYou’re based in Europe and can collaborate reasonably within CET/CESTFluent English (spoken + written)Strong willingness to learn, ask questions, and take ownershipYou’re not afraid of:unfamiliar codebasesdebugging real production issuesmaking changes carefully in a system that keeps evolvingTech expectationsComfortable working with TypeScript (or very motivated to become great at it)Some experience with React and modern web developmentFamiliarity with backend basics in Node.js and willingness to go deeperPragmatism: sometimes the best solution is not adding another dependencyBlockchain knowledge is NOT required. If you’re eager to learn, we’ll teach you what you need.Our tech stackTypeScriptNode.jsPostgreSQLReactLots of in-house tooling around gathering and analysing blockchain dataWe offerSalary: 12000–15000 PLN / monthPaid time offElastic working hoursFully remote work (we can sponsor a coworking desk)Work on open-source projectsRegular knowledge sharing meetingsTravel, conferences, off-sites, and integration events