frontend developer English-speaking jobs in Hyvinkää

Refrigeration Engineer needed for Tuusula data center. Responsible for maintenance, repair, and design of cooling equipment. Requires valid qualification as a person responsible for refrigerants or as an installer.

Laboratory Assistant to support in vitro research, GLP duties, and responsibilities. Cell culture, biochemical analyses, molecular biology techniques, and maintenance of laboratory equipment required. Degree in a relevant field and hands-on experience in cell culture and aseptic laboratory work are essential.

The Director of Architecture & Design oversees the architectural and creative aspects of Royal Caribbean Group's new ship builds. This role provides leadership, design oversight, and collaboration with internal and external teams to ensure a cohesive vision and innovative design excellence.

Develop critical backend services for monetization initiatives. Design, implement, and maintain server-side logic, databases, and APIs. Ensure scalability, reliability, and performance for high transaction volumes. Collaborate with cross-functional teams on architectural decisions and technical strategy.

Experienced full-stack developer to build AI-assisted software solutions for diverse customer projects in Finland's public and private sectors.

Manage demanding customer projects and participate in software development for a modern corporate lending solution. Experience with .NET Core, React, SQL, and API-based microservices is required. Fluent Finnish and English skills are essential.

The Europe Energy and Waste Engineer supports EU sites in developing and implementing energy efficiency, utilities optimization, and waste reduction initiatives. The role conducts energy audits, identifies cost and GHG reduction opportunities, and provides technical guidance for sustainability programs.

Lead Full Stack Developer needed to oversee technical aspects, client relations, and team guidance. Responsibilities include acting as the technical contact for clients, collaborating across teams, implementing solutions, and improving workflows. Requires multiple years of full stack development, consulting, and team lead experience, as well as Agile project management expertise and fluency in Finnish and English.

Provides inspection, maintenance, and repair of various data center systems. Assists technicians in reading blueprints, conducting tours, and assessing system functionality. Manages uptime and maintenance of UPS, generators, electrical distribution, and control systems.

Winthrop Technologies seeks an Integration Manager for a large-scale data center project in Finland. The role involves coordinating and integrating project disciplines, ensuring seamless communication, and managing interfaces between trades. The successful candidate will have a Bachelor's degree in a relevant field, 5+ years of on-site project management experience, and strong understanding of MEP and CSA coordination.

Lead a team of MEMS development and characterization engineers to define and execute challenging engineering projects. Develop new MEMS technologies and devices, enhance existing devices, and contribute to design and analysis of experiments.

Experienced Game Designer needed for a Helsinki-based studio. Develop engaging gameplay content, game modes, and systems for a live mobile game with millions of players. Strong understanding of free-to-play, PvP, and live operations is essential.

Supercell is seeking a Monetization Manager to join the Clash Royale team. The role involves developing and executing monetization strategies, managing in-app offers, and analyzing performance metrics. Candidates should have at least 5 years of experience in free-to-play mobile games and a strong understanding of monetization trends.

Skilled Shot Blaster & Spray Painter needed for combined booth operations in Southwest Finland. Experience with spray painting and/or shot blasting preferred. Must be proactive, team-oriented, and quality-focused.

Senior Account Manager will drive growth within existing customer portfolios, focusing on maximizing value and identifying new opportunities for institutional investors using Upright's impact data platform.

The Documentation Specialist will manage, organize, and control project and QMS related documents, ensuring version control and compliance with ISO 9001/13485 standards. The role involves document flow management, coordination with internal/external teams, and retrieval of documents.

Prohoc is seeking Summer Talents for IT, Finance, Assembly Team Lead, and Global Mobility roles in Vaasa, Finland. Full-time positions available from May to early autumn with flexible hours. Applicants must have a relevant background, good IT skills, and fluency in Finnish and English.

Staff Test Engineer will develop and execute test cases for NR-NTN RAN nodes in satellite radio access networks. Responsibilities include analyzing use cases, understanding 3GPP standards, implementing test automation, and reproducing field scenarios. Requires 10+ years of experience in 4G/5G radio access wireless networking products testing, with NR-NTN or Nb-NTN network side testing experience preferred.

Failup Ventures seeks an Associate to source and evaluate early-stage AI-native startups across the Nordics and US. Responsibilities include conducting research, building investment theses, and participating in the deal process. The ideal candidate has a unique personality, sharp intelligence, and an unconventional background.

Manages risks for Verifone Payments entities (Netherlands, Finland, UK, Germany, and Romania). Designs and implements credit and fraud frameworks, including automated scoring systems. Supports first-line risk assessments, control design, and monitoring. Ensures compliance with European regulations and develops risk policies. Requires 10+ years of risk experience, preferably in a tech/payments company, with experience in second-line risk and credit management.