frontend developer English-speaking jobs in Hyvinkää

Doctoral Researcher in Sociology will work on a three-year project examining surrogacy through data mining of online information and social media posts. The position requires a master's degree in social sciences, preferably sociology, knowledge of law, and an interest in interdisciplinary research.

AVEVA E3D Piping and Layout Designer needed for shipbuilding projects. Design piping and cable tray layouts, manage space reservations, and prepare drawings. Requires a degree in mechanical engineering or related field and strong proficiency in AVEVA E3D. Experience in shipbuilding and classification societies is advantageous.

Senior Platform Architect to define the architecture for data-center AI accelerator systems, from server to data-center deployment. Translate compute, memory, and interconnect requirements into hardware platform specifications. Define host, storage, and networking integration, ensuring scalability and operability. Collaborate with AI Infrastructure Systems, silicon, product management, software, and customers.

Evaluates the safety of generative AI features by crafting queries, assessing generated content, and providing feedback. Requires creative thinking, cultural and linguistic knowledge, and the ability to identify subtle safety risks.

As a Stockroom Employee/Sales Assistant, you will provide excellent customer service, assist with sales, and maintain visual merchandising standards. You will work as part of a team to ensure customer satisfaction and maximize store profitability. Strong communication skills, a team player mindset, and effective selling skills are essential.

Manage, configure, and optimize DB2 (LUW) and PostgreSQL databases. Lead daily operations, team, and stakeholder collaboration.

Senior Android Engineer to build scalable mobile foundations, improve developer experience, and drive engineering quality. Experience with Kotlin, Android architecture, and CI/CD is required. Interest in AI and its application in software development is a plus.

EHSQ Engineer to develop and implement safety, quality, and management systems in a production environment. Drive safety and quality performance, promote a strong safety culture, and ensure compliance with standards and legislation. Requires a B.Sc. in Engineering and experience in industrial environments.

This role supports the Country Manager in Finland, shaping business priorities, leading initiatives, and driving growth. Responsibilities include market analysis, developing business cases, leading cross-functional projects, and enhancing commercial effectiveness. The ideal candidate has 4-6 years of experience, strong analytical skills, and a proven track record of delivering results.

Senior Java Engineer needed to design, build, and maintain high-quality Java Spring Boot microservices. You will work with PostgreSQL, implement RESTful APIs, and ensure high standards for code quality, testing, performance, and security. Must have 6+ years of professional software development experience with 3+ years focused on Java backend in production at scale. Deep expertise in Java 17+, Spring Boot, microservices architecture, Domain-Driven Design, and PostgreSQL is required. Experience with event-driven architecture, RESTful API design, testing discipline, Docker, Kubernetes, CI/CD pipelines, and observability tools is also necessary.

Spa Therapists needed for part-time and full-time positions at Aito Hotel & Spa Resort. Provide wellness and beauty treatments, maintain spa cleanliness, and assist guests. Minimum one year of experience preferred. Strong interpersonal and organizational skills required. Fluent English, additional languages a plus.

Senior Researcher/Postdoctoral Researcher to analyze multi-omics data (genomics, metabolomics, proteomics, etc.) using statistical and machine learning methods. Integrate and interpret complex, longitudinal datasets. PhD in a relevant field required. Strong R programming skills and publication record essential.

Engineer, Test Maintenance needed to ensure operational and compliant production test systems. Responsibilities include monitoring, maintaining, and troubleshooting equipment, performing calibration activities, and collaborating with production and development teams. Experience with test systems, problem-solving, and communication skills are required.

Performance & Reward Manager supports the implementation and consistent application of KONE's Reward and Performance frameworks across Europe. The role contributes to pay transparency initiatives, analyzes data to inform reward strategy, and supports the Sales Incentive framework.

Senior Backend Developer will design, develop, and maintain backend services for a platform using NodeJS. Responsibilities include improving existing services, implementing new solutions, and writing complex database queries. Requires 5+ years of Javascript/Nodejs experience, familiarity with microservices architecture, and experience with databases like MySQL and MongoDB.

Travelling Service Technician performs electrical and mechanical troubleshooting and repairs on wind turbines in Finland and other Nordic countries. Responsibilities include service and commissioning, repairs, and contact with customers. Requires experience in electricity, good English and IT skills, and a driving license.

Senior Solutions Architect with expertise in mobile development (Android or iOS) will design solutions for mapping related problems. The role involves working with Enterprise customers, delivering technical presentations, and creating solution templates.

EF seeks a part-time Airport Representative intern to assist with student and client travel arrangements at Helsinki airport. The role involves providing information, support, and resolving issues during arrivals and departures.

Hairdresser needed for a renowned Nordic chain. Must have at least one year of experience, intermediate English, and a European passport. Perform dry cuts, provide customer service, and sell products. Competitive salary and relocation support offered.

Provide second-line support for electromechanical and keyless locking solutions. Ensure smooth operation of Windows and Linux hosting environments. Perform maintenance and monitoring activities for cloud hosting. Offer technical support to enterprise customers.