javascript English-speaking jobs in Lahti

Freelance home cooks in Finland are needed to photograph dishes prepared according to project guidelines. Submissions must include photos of the cooking process and details about the recipe. Must be 18+, reside in Finland, and have a smartphone with a camera released in 2018 or later. Compensation is $15 USD per accepted dish.

Experienced IT Support Specialist needed for a well-known international company. Install, configure, and maintain IT equipment. Diagnose and resolve hardware and software issues across Windows, macOS, and Microsoft 365. Provide timely technical support and document activities. 3-4 years of experience in IT support required. Fluency in Finnish and English. Valid driver's license mandatory.

The Electrical Engineering unit at Tampere University invites applications for a Marie Skłodowska-Curie Action (MSCA) Doctoral Candidate position in integrated circuits and signal processing for large-array transceivers in next-generation communication systems. The successful candidate will develop signal processing concepts and energy-efficient, high-performance integrated circuit architectures for large-array transceivers. The position includes secondments at University College London and Altice Labs.

Lead and develop the Finnish sales team, driving Mynt's growth and market presence. Manage the full sales cycle, from prospecting to relationship management. Proven B2B sales experience in the Finnish market, team lead experience, and fluency in Finnish and English are required.

Lead and define EHS arrangements for service and project sites in Finland, ensuring compliance with regulations and Siemens Gamesa standards. Monitor EHS performance, coach teams, and investigate incidents.

Doctoral Researcher to join the Space Physics and Astronomy Research Unit at the University of Oulu. The successful applicant will conduct research in the modelling of the radiation environment in the atmosphere and near-Earth space. Duties include performing advanced modelling, collaborating with other researchers, publishing scientific articles, and completing a doctoral thesis.

R&D Engineer to support the lifecycle of a laser-based sensing system, including design, testing, and performance optimization. Responsibilities include improving system efficiency, evaluating environmental impact, and supporting manufacturing and field measurements. Requires 5+ years of experience in instrument engineering or industrial sensing, knowledge of optical sensing and spectrometry, and proficiency in relevant design and analysis tools.

Senior RF Engineer to design, develop, and optimize RF components for satellite radar hardware. Requires 10+ years of experience in RF design and development, with a strong background in radar systems and X-band or superior frequency RF design.

Data Specialist will ensure high-quality product data and act as the business representative for product data management systems. Responsibilities include administering tools, collaborating with stakeholders, and creating reports. Requires 3+ years of experience with PDM and PLM systems and proficiency in English. Familiarity with engine power plant products is an advantage.

Summer Trainee to support the Facility team at Kempower's headquarters in Lahti. Tasks include greeting visitors, managing calls, and handling administrative duties. Requires proficiency in Finnish and English, strong communication skills, and the ability to prioritize tasks.

Creative Lead Partner to develop innovative brand activations across the Nordics. Lead creative direction for brand activation ideas, customer value propositions, and asset production projects. Collaborate with creatives, project managers, and stakeholders to translate challenges into creative solutions. Champion innovation and stay ahead of trends to ensure creative output is fresh and relevant.

Experienced Data Center Security & Compliance Manager needed to oversee physical and operational security of a state-of-the-art datacenter environment. Responsibilities include developing and implementing security policies, managing access control systems, leading incident response, ensuring compliance with standards like ISO 27001 and SOC 2, and collaborating with internal and external teams.

This is a career-defining role for an entrepreneurial leader to accelerate Uber Eats market entry and expansion in Finland. The General Manager will own the P&L, define the market strategy, and build a world-class operation.

Senior Software Engineer will architect and develop mission-critical APIs and systems. Responsibilities include designing, building, and running applications in AWS using the Spring framework and Java. Must have experience with SQL databases and excellent communication skills.

Temporary Market Compliance Analyst needed for Renewable Products business unit in Espoo, Finland. Focus on sustainability compliance certifications and verification audits, data collection, and reporting. Collaborate with certification bodies, auditors, and internal stakeholders. Requires 2+ years of relevant experience, understanding of biofuel legislation, and excellent communication and problem-solving skills.

Experienced Staff Software Engineer to join the internal platform team, shaping Aiven's platform strategy and architecture. Responsibilities include strategic planning, delivery ownership, team enablement, and technical leadership. Requires 8+ years of relevant experience and strong product thinking, communication, and influencing skills. Technical expertise in distributed systems, databases, observability, SQL, release management, and problem-solving is essential.

Senior Backend Developer needed to design, build, and maintain high-performance backend services and data pipelines for large-scale consumer products. Responsibilities include writing clean code, driving engineering excellence, and collaborating with designers and stakeholders. Requires senior-level competency, experience building and running large-scale production systems, and deep understanding of data-intensive backend work. Strong hands-on experience with backend stacks like Node, JVM, Python, or Go combined with cloud environments like AWS is essential. Fluent English required, Finnish is a plus.

Experienced eLearning Manager to lead Cadmatic's global customer online learning strategy. Own the full lifecycle of digital learning, from strategy and content creation to platform management, localization, analytics, and cross-functional collaboration.

Design and implement AI solutions using generative AI, agent-based architectures, and LLMs. Experience with cloud services (Azure/AWS/GCP) and building cloud infrastructure for ML needs is required.

Negotiates with suppliers, defines supplier strategy, and manages supplier panels. Leads negotiations, allocates needs, and manages claims. Requires significant sourcing experience and fluency in English.