frontend developer English-speaking jobs in Järvenpää

Financial Accounting Manager to oversee end-to-end accounting operations in Finland, ensuring compliance with Finnish GAAP (FAS), VAT, and statutory requirements.

As a Sales Advisor at H&M, you will provide customer service, assist customers with product selection, and contribute to a positive in-store experience. You will collaborate with your team to ensure the sales floor is well-stocked and organized.

Product Pricing & Lifecycle Manager will define and manage pricing strategies across the full product lifecycle. This role will work closely with Product Line Managers and stakeholders to ensure the competitiveness of Evac's solutions. Responsibilities include developing pricing strategies, analyzing market trends, and supporting go-to-market activities.

Legal Counsel needed for a 6-month fixed-term role to support parental leave coverage. Responsibilities include monitoring regulation, drafting and reviewing contracts, providing legal advice, and contributing to product development. Must have a Master of Laws degree and up to 3 years of experience in similar assignments.

Regional Senior Sales Manager to drive revenue growth and achieve quota targets for predictive maintenance solutions in logistics, warehousing, and manufacturing across EMEA Central.

Postdoctoral Researcher in theoretical nuclear physics, specializing in nuclear astrophysics. The successful candidate will contribute to research on the properties of dense nuclear matter and their implications for astrophysical phenomena.

Manages the delivery of IT services, including hardware and software lifecycle management, SaaS solutions, and end-user support. Oversees service reliability, security, and compliance. Drives process improvement and contributes to the IT roadmap. Communicates with internal and global stakeholders.

Arctic GM & Sonka seeks reliable team members for various roles including reception, housekeeping, and driving. Must have a valid Schengen Area work permit and excellent communication skills.

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 Associate will join the Central Finance & Strategy team, ensuring timely and accurate management reporting data for Wolt. Responsibilities include preparing and analyzing financial reports, identifying trends, and collaborating with cross-functional teams.

XTX Markets seeks an HPC Infrastructure Support Engineer for their Kajaani data center. The role involves maintaining and supporting the HPC cluster, including hardware installations, upgrades, and troubleshooting. Requires experience in data center environments, high-speed networking, and server hardware. Fluency in English is required, Finnish is an advantage.

Business Controller needed for a fixed-term position (March-August) covering parental leave. Responsibilities include business control support, reporting, sales pricing controlling, accounts receivable collection, risk mitigation, and KPI reporting. Requires 3-5 years of relevant experience, preferably in a listed company, and fluency in English and Finnish.

A Doctoral Researcher position is available at the Department of Biological and Environmental Sciences, University of Jyväskylä, Finland. The project aims to understand how microbial-driven functions change and shape plant phenotypes and diversity along abiotic environmental gradients.

Postdoctoral Researcher to develop plasmonic nanopore for single molecule sequencing by surface enhanced Raman spectroscopy (SERS). Responsibilities include designing, fabricating, and characterizing plasmonic nanopores and measuring ion current and Raman spectra of biomolecules. Requires a doctoral degree in a relevant field and experience in micro-/nanofabrication, patch-clamp amplifier measurement, and fluent English communication.

Service Delivery Manager will ensure the smooth operation of IT services. Responsibilities include managing hardware and software, overseeing SaaS solutions, providing end-user support, and ensuring information security. The role requires experience in IT service delivery, strong communication skills, and the ability to work independently.

Operate industrial granulation machines and contribute to material recycling and sorting. Requires experience operating granulation machines, technical maintenance skills, and understanding of sorting analysis.

Doctoral Researcher position focusing on hydropower control within the Digital Waters Flagship. Responsibilities include formulating open channel flow models, developing control-oriented representations, and designing power plant control systems. Requires a Master's degree in process engineering, fluency in English and Finnish, and strong communication skills.

Execute plating tasks with high accuracy and consistency on a new electroplating production line. Follow work instructions, prepare chemical mixtures, and maintain a clean, safe work area. Participate in R&D work and product development.

Develop and maintain backend services using Python and modern frameworks. Build, deploy, and operate services in a cloud environment. Contribute to a fast-moving team by learning quickly and executing effectively.

Leads the R&D Satellite Build & Lab maintenance team, responsible for maintaining labs, supporting engineering projects, and building prototype satellites. Manages daily operations, sets goals, delegates tasks, and mentors team members. Requires a BSc degree in Engineering, experience in team leadership, R&D projects, cleanrooms, and lab standards.