frontend developer English-speaking jobs in Lahti

Experienced Electrical Package Manager needed for major European construction projects. Responsibilities include full ownership of the electrical package from pre-construction to handover, managing subcontractors, and coordinating site activities. Requires 3-5+ years in a similar role.

Category Manager role driving category development and insights for the In Home business. Responsibilities include strategy, execution, and data analysis using tools like Nielsen and Kantar. Requires 3-5 years in FMCG or category management.

Develop next-generation simulation technologies by combining engineering simulation, scientific computing, and AI. Responsibilities include modeling complex structural systems and designing efficient AI algorithms. Requires a Master's degree and proficiency in Python, C++, and simulation software.

Lead data-intensive initiatives for customers, managing delivery teams and data workstreams. Experience in data migration, master data, or data governance is preferred. Fluency in Finnish and English is required.

Build scalable testing systems and infrastructure to validate performance and reliability for high-scale platforms. Write production-quality code in TypeScript or Python to test applications serving millions of users.

Commissioning Engineer, Electrical, plans and supervises electrical installation and commissioning at project sites globally. Responsibilities include guiding subcontractors, quality control, testing, and ensuring safe execution of works. Requires a B.Sc. or M.Sc. in Electrical Engineering.

QA/QC Engineer needed for a major data centre campus near Helsinki. Responsibilities include developing and implementing QA/QC procedures for MEP works, monitoring compliance, and managing quality documentation. Requires relevant engineering degree and construction experience.

Expert Team Lead, SWE role focused on building high-quality human-generated data for AI model development. Lead AI Tutors, establish quality standards, and maintain operational excellence while remaining hands-on with technical review.

Postdoctoral Researcher in Philosophy for a 3-year fixed-term contract. Research focuses on Suhrawardī’s philosophy in 14th/15th-century Islamic authors. Requires a PhD and knowledge of classical Arabic. English proficiency is essential.

Salesforce Sales & Service Cloud Technical Product Owner to shape CRM solutions. This hands-on role translates business needs into prioritized backlogs, providing technical guidance and configuring Salesforce. Requires 5+ years with Salesforce and 3+ years in a related role.

Lead Developer needed for eCommerce, focusing on designing and scaling headless commerce solutions. Requires experience with composable architectures, Java, React, and driving technical direction in an agile team.

Curious, analytical Master’s thesis worker needed to improve UPM IT’s knowledge base process and content management using AI. Tasks include analyzing current practices, exploring AI support, and proposing an improved operating model.

Design and build production-ready AI applications, focusing on LLM services, RAG, and AI agents. Requires strong Python and software engineering skills with practical GenAI experience.

Experienced industrial leader needed to guide SuperBattery site growth. Full operational and strategic responsibility for performance, people, and goals. Requires 5+ years in senior factory leadership.

Package Engineer oversees the technical and project lifecycle of specialized equipment packages. Responsibilities include defining requirements, managing suppliers, and ensuring quality delivery. Requires a relevant technical Bachelor's or Master's degree and fluency in Finnish and English.

Drive sales and business development for payment processing solutions in your assigned region. Own the end-to-end sales cycle, building relationships with financial institutions and meeting targets. Requires B2B sales experience in payments or banking technology.

Senior Planner for large-scale Data Centre projects. Develop and manage project programmes across the full lifecycle, monitoring progress and identifying risks. Requires 5–10 years of planning experience and proficiency in Primavera P6.

Solution Engineer focusing on Oracle Fusion Applications (ERP/EPM, SCM, HCM, CX) within Health & Life Sciences. Partner with Sales to understand customer priorities, shape solution roadmaps, and demonstrate business value for complex transformation opportunities.

Mechanical Engineer needed for the CHEC CAM Plant project in Kotka. Responsibilities include coordinating installation, managing subcontractors, and supporting commissioning of automated warehouse systems. Requires 5+ years in industrial mechanical equipment installation.

Chef responsible for cooking and preparing Chinese dishes, including stir-frying, boiling, steaming, and deep-frying. Duties involve ingredient management, maintaining cleanliness, and assisting the store manager. Chinese language skills are preferred.