Senior Product Engineer (Fullstack)

Are you a talented QA looking for a remote job that lets you show your skills and get better compensation and career growth? Look no further than Lemon.io - the marketplace that connects you with hand-picked startups in the US and Europe. We are seeking a Senior QA Engineer for our client — for direct hire. The client is a B2B service provider based in Cyprus that specializes in building and managing technology and operational services for online businesses. We are looking for a detail-oriented and proactive QA Engineer who is passionate about quality and thrives in a fast-paced development environment. You'll play a key role in ensuring our products meet the highest standards by working across both manual testing and automation. Experience with tools like BrowserStack, TestRail, and Playwright (or willingness to grow into them) will help you succeed in this role. If you are a clear communicator who is proactive, takes ownership, collaborates well, and asks clarifying questions — and if you're comfortable working independently, managing your time effectively, and delivering high-quality results — please apply. Overlap: 8 hours with Cyprus (standard working day). Remote from the EU, or on-site in Limassol, Cyprus. Benefits: paid leave (available after 6 months of work) and an annual Christmas party trip. Requirements: 3+ years of experience in automation testing 2+ years of experience in manual testing 2+ years of experience working with Cypress, Playwright or Selenium Exceptional attention to detail Good command of English, both written and spoken. Strong organizational skills — ability to work full-time remotely with no supervision Responsibility — we want to trust you! Soft skills — we don’t ask you to find a topic for small talk, but being just polite is OK. NOT YOUR TECH STACK? We're placing Senior Developers (4+ yrs commercial experience) across AI Agent Architecture, AI Automation Architecture, AI Engineering, Site Reliability Engineering, Platform Engineerin…

Posted 26 Aug 2026

Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe. We are currently seeking a Senior Software Engineer for our client — a research-driven artificial intelligence company. The client’s mission is to cut the cost of modern AI by co-designing hardware, software, algorithms, and models — with the goal of making AI’s benefits accessible to society. They’re active contributors to open-source AI research and are looking for researchers and engineers to help build the next generation of AI infrastructure.Cooperation: This starts as contract work via our platform. If it goes well, you’ll transition to a direct hire, with equity, health insurance, and other competitive benefits. Locations: the EU, the US, Canada, the UK, Australia, Singapore About the role: You’d build the Go-based platform that lets research and inference teams provision, scale, repair, and tear down GPU clusters through an API - instead of filing tickets. You’d own the product end to end : shaping internal platforms, improving developer experience, and operating the systems in production. Requirements: 5+ years of software development experience 3+ years of experience with Golang and Kubernetes controllers Knowledge of Temporal is a must Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture. Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls. Strong self-organizational skills — ability to work full-time remotely with no supervision. Reliability — we want to trust you and expect that you won’t let us and the client down. Adaptability and Flexibility — the ability to onb…

Posted 20 Aug 2026

Are you a talented Senior Data Engineer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe. What we offer: The rate depends on your skills and experience. We've already paid out over $11M to our engineers. No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best. We'll manually find the best project for you according to your skills and preferences. Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours. We respect your seniority so you can expect no micromanagement or screen trackers. Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah? We will support you from the time you submit the application throughout all cooperation stages. Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do. Through our community, we will connect you with the best developers from more than 75 countries. We have several different roles for Data Engineers — please check the details if you're interested. Requirements — Data Engineers: 5+ years of commercial experience as a Data Engineer 2+ years of commercial experience with Azure DevOps is a must 2+ years of commercial experience with Databricks 2+ years of experience with DBT is required Experience with Airflow is a plus Requirements — Data Engineers: 4+ years of commercial experience as a Data Engineer 3+ years of experience with Apache Airflow and 2+ years of experience with Snowflake 3+ years of experience with Python and 1+ year with SQL Experience with AWS/GCP/Microsoft Azure/Snowflake is a must Strong technical skills: as a Senior Data Engineer, you are expected to be able to create projects from scratch and have a deep understanding of application…

Posted 19 Aug 2026