Are you a university student looking to turn theory into practice and gain hands‑on experience in finance, accounting, and bookkeeping in an international technology company?At Casambi Technologies Oy, we develop market‑leading wireless lighting control technology used around the world. Behind our innovative products is a solid, professional finance function — and this summer, we’re inviting a motivated student to join us and learn how financial operations work in real life.This role is a great opportunity to build practical finance skills, work with modern tools, and understand how a fast‑growing tech company operates from a financial perspective.💼 What you’ll doAs a Financial Assistant Trainee, you will support our Finance team with real, meaningful tasks — not just observations or simulations.Your responsibilities may include:Assisting with accounting and bookkeeping tasksSupporting purchase invoice processing and controlsWorking with financial systems such as Rillion (purchase‑to‑pay) and NetSuite ERPHelping with data checks, reconciliations, and documentationSupporting monthly routines and improving data qualityCollaborating with colleagues across Finance, Operations, and Order DeskYou’ll gain practical insight into how financial accuracy, processes, and tools support global business operations.🎓 Who we’re looking forThis summer job is ideal for Bachelor’s or Master’s level students, for example in:AccountingFinanceBusiness AdministrationEconomicsYou might be a great fit if you:Are curious, reliable, and detail‑orientedWant real experience beyond textbooks and lecturesEnjoy working with numbers, systems, and structured processesAre comfortable working in EnglishTake ownership and enjoy learning by doing✅ Previous experience in accounting or bookkeeping is a strong advantage ✅ Experience with Rillion, NetSuite, or other financial systems is considered a big asset, but not mandatoryMotivation and willingness to learn matter most.🌍 Why spend your summer at Casambi?At Casambi, summer trainees are trusted team members.We offer:Real‑world finance experience in a global technology companyModern financial tools and professional processesSupportive colleagues and a learning‑focused work cultureA welcoming and international working environment in EspooSkills and experience that truly strengthen your future career📅 Practical detailsDuration: Summer 2026 (flexible based on your studies)Location: Espoo, Leppävaara (next to the shopping mall Sello)Working language: EnglishSalary: According Ekonomit recommendation✉️ How to applySend us:Your CVA short motivation letter explaining:Why you’re interested in finance and accountingWhat you’d like to learn during the summer📌 Applications are reviewed on an ongoing basis — apply early.The Casambi solution is based on Bluetooth Low Energy, the state-of-the-art wireless technology and the only low power wireless technology in all modern smartphones, tablets and even smart watches, making it the only mainstream and future proof low power radio technology in the world. Bluetooth Low Energy was developed at Nokia Research Center where both founders Timo Pakkala and Elena Lehtimäki worked. That’s why Casambi has had the unique advantage in realizing the potential of Bluetooth Low Energy early on. Casambi started the development of the solution before there were any Bluetooth Low Energy devices on the market.