{"id":4277906,"url":"https://alion.io/job/lemonio-senior-data-engineer","title":"Senior Data Engineer","company":{"id":4373123,"name":"LemonIO","domain":"lemonio.com","url":"https://alion.io/company/lemonio","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Airflow","optional":false},{"name":"Angular","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Electron","optional":false},{"name":"Ethereum","optional":false},{"name":"Ethers.js","optional":false},{"name":"Firebase","optional":false},{"name":"Flutter","optional":false},{"name":"GCP","optional":false},{"name":"JavaScript","optional":false},{"name":"Laravel","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"PHP","optional":false},{"name":"Python","optional":false},{"name":"React Native","optional":false},{"name":"Ruby","optional":false},{"name":"Rust","optional":false},{"name":"Scala","optional":false},{"name":"Snowflake","optional":false},{"name":"Solana","optional":false},{"name":"SQL","optional":false},{"name":"Svelte","optional":false},{"name":"Swift","optional":false},{"name":"Symfony","optional":false},{"name":"TypeScript","optional":false},{"name":"Unreal Engine","optional":false},{"name":"Viem","optional":false},{"name":"Vue.js","optional":false},{"name":"Wagmi","optional":false},{"name":"WordPress","optional":false},{"name":"AI Agents","optional":true},{"name":"Dart","optional":true},{"name":"Go","optional":true},{"name":"Magento","optional":true},{"name":"Platform Engineering","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-11-11T18:39:59Z","employer_posted_date":null,"last_verified_at":"2026-11-11T18:39:59Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"Lemon.io helps companies in the US and Europe hire experienced engineers, from funded startups to teams like Klarna, Retool, and Pinterest. We’ve been doing this since 2015, and more than 1,500 companies have hired engineers through us.\n\nNew roles for Senior React Full-stack Engineers come in all the time, and several are open right now.\n\nTwo ways to work with clients\n\nContract: most roles are contract-based. You join the client’s team and work as part of it.\n\nDirect hire: some clients hire engineers full-time, and we support you through the process.\n\nBecause companies trust our vetting, applying through Lemon.io is often a shortcut. You get to the client faster than going through their full hiring process on your own.\n\nWhat you get\n\nCompetitive rate, based on your seniority and skills\n\nWe find the projects. No client hunting or rate negotiations. We match you manually based on your skills and preferences.\n\nFlexible schedule. Work async or with a small overlap with the team’s hours.\n\nNo micromanagement, no screen trackers\n\nDirect work with clients, most of them with technical backgrounds\n\nOngoing support from your application through every project, plus a community of engineers from 75+ countries\n\nWho we’re looking for\n\nSenior Data Engineers with:\n\n4+ years of commercial experience as a Data Engineer\n\nExperience with Apache Airflow and Snowflake, or Python and SQL, is required\n\nExperience with AWS, GCP, or Microsoft Azure is mandatory\n\nYou own problems end-to-end: you spot the issue in the data or pipeline, design and build the solution, and ship it to production.\n\nYou can show the business impact of your work with concrete results (e.g., faster data processing, lower infrastructure costs, fresher data for stakeholders, fewer pipeline incidents).\n\nAdvanced English: you discuss business tasks, explain your technical decisions, raise risks early, and present yourself and your results well on client calls.\n\nYou work full-time remotely and deliver without supervision.\n\nYou onboard quickly and start shipping in your first weeks.\n\nNOT YOUR TECH STACK?\n\nWe're placing Senior Developers (4+ yrs commercial experience) across AI Agent Architecture, AI Automation Architecture, AI Engineering, Site Reliability Engineering, Platform Engineering, Enterprise Software Engineering, Magento & PHP, React & Python, React & Golang, Golang, React & Java, React & Ruby, Ruby, PHP & Vue, Vue & Node.js, React & .NET, Android & iOS, iOS & Swift, Flutter & Firebase, Solutions Engineer, Blockchain (Ethereum/Ethers.js/Wagmi/Viem/Solana), Angular & Node.js, Vue & .NET, Python & Vue, DevOps, MLOps, Data Science, Angular & PHP, Angular & .NET, Symfony & React, Symfony & Vue, Symfony & Angular, Python, Symfony & JavaScript & Next.js & TypeScript, Data Analysis, React & PHP, Project Management, Product Management, QA Automation, QA Manual, Embedded Software Engineering, React Native & Node, React Native & React, React Native & Ruby, React Native & Python, WordPress, Android, Angular, Python & Node, React & Node.js, Node & TypeScript, Java & Spring, Svelte & Python, Svelte & Node.js, Svelte & TypeScript, Rust, Shopify & JavaScript, Vue & Nuxt, PHP & Laravel, UI/UX Design, Animation, Graphic Design, React & Node & React Native, .NET & C#, Electron, Scala, C++, Unreal Engine & C++, Python & LLM, Unity, or Machine Learning Engineering and more. 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