frontend developer English-speaking jobs in Lahti

Leads and expands the hardware and electronics technical support ecosystem. Oversees service activities, diagnoses and resolves technical issues, and designs scalable support workflows. Requires technical expertise in electrical or electronics engineering, safety awareness, and strong interpersonal skills.

Doctoral Researcher to design, model, and fabricate microfluidic devices in a Horizon Europe project. Requires expertise in microfabrication, fluid dynamics modeling, programming, and fluency in English. Must have a Master's degree and be pursuing a Doctoral degree in a relevant field.

Lead Design Engineer will oversee projects from concept to production, ensuring they are on time, within budget, and meet quality standards. Collaborate with cross-functional teams, including industrial designers, product managers, and marketing experts. Develop documentation, perform design validation testing, and support business and sales teams.

This fixed-term trainee position at the Natural Resources Institute Finland's genomics laboratory runs from September 1st to November 30th, 2026. Tasks include laboratory work in research projects, DNA extractions, PCR work, and environmental DNA sampling. Trainees will gain experience with qPCR, dPCR, Sanger- and NGS-sequencing.

The Chief Cook is responsible for the safety and duties of all catering staff, ensuring adherence to safety standards and hygiene requirements. The role involves menu planning, meal preparation and service, inventory management, and maintaining cleanliness of catering areas. Experience on a regasification vessel is required.

WorkShop seeks a part-time Field Merchandiser to visit retail stores, report on product displays, and update POS materials. Focus is on electronics sector brands. Requires sales/customer service experience, a driver's license, fluency in English, and the ability to travel and work weekends.

Lead technical expert for Huhtamaki's cloud platform. Oversee daily operations, maintenance, and support, ensuring reliability and high performance. Provide advanced technical support, design and improve IT infrastructure solutions, and mentor cloud administrators.

Lead experimentation, modeling, and advanced data science initiatives within Netflix Games. Build ML models, conduct statistical analysis, and derive actionable business insights. Partner with game studios and stakeholders on data science projects.

Designs and runs Greenstep's lead generation process, identifying and qualifying potential clients. Tracks business signals, analyzes data, and provides Sales with targeted account lists. Holds Sales accountable for lead engagement and conversion. Requires strong technical skills, business acumen, and the ability to work independently.

Product Manager needed for a remote, full-time, permanent position at Selma, a digital wealth manager. The role requires B2C product experience, a background from a small or mid-size company, and experience working in product trios with design and engineering. Must have a technical background or strong technical intuition and be able to talk directly to users.

Design and develop cloud-based APIs, systems integrations, and enterprise applications for clients. Strengthen capabilities in AI-driven software development, including Agentic Swarm Coding and Spec-Driven Development. Collaborate with stakeholders and engage in hands-on programming. Experience in developing enterprise-level web applications, APIs, and integrations using cloud-native technologies is required. Proficiency in .NET (C#) development and Azure services is also required.

Provides HR guidance to leaders and employees across EMEA, supporting employee relations, workforce planning, performance management, and talent acquisition. Partners with managers to address business challenges, build a positive work environment, and ensure compliance with local employment legislation.

Mechanical Lead to oversee mechanical package delivery on a large data centre construction project in Vaasa, Finland. Manage subcontractors, QA processes, and site safety while ensuring mechanical systems are delivered safely and efficiently. Must have experience managing mechanical packages on large construction or industrial projects.

As Nordic Content & Communications Senior Specialist, you will translate BCG's expertise into compelling narratives and content. You will create and produce written and visual content across various channels, manage end-to-end content production, and collaborate with experts to amplify their voices.

Electrical Leader will oversee production planning, process improvement, and lead a team of nine. Requires experience in production planning, automotive electrical work, and strong leadership and communication skills.

Drive defence market growth and business expansion in Finland. Lead territory strategy, pipeline development, and opportunity execution for autonomy, aircraft, ISR, and mission-system solutions. Engage with senior military leaders, Ministries of Defence, and industry partners.

The Customer Marketing Manager will plan and execute marketing programs to drive customer retention and advocacy. Responsibilities include streamlining customer communication, designing retention strategies, executing customer GTM campaigns, and driving customer advocacy. The ideal candidate will have experience in customer marketing, product marketing, or a related field, with a proven ability to understand and communicate software product benefits.

Manage Eaton's on-site data center construction projects from preparation through commissioning. Ensure safety, quality, and timely delivery while representing the Project Manager.

Manages and operates security systems in Alibaba Cloud data centers, responding to incidents, conducting security assessments, and optimizing security controls. Requires 5+ years of experience in large data center security, technical research, and incident response. Bilingual in Chinese required.

The University of Jyväskylä's Department of Physics seeks a Postdoctoral Researcher to fabricate and characterize two-dimensional van der Waals materials. The successful candidate will use molecular beam epitaxy, low-temperature scanning tunneling microscopy, and atomic force microscopy to investigate superconductivity.