frontend developer English-speaking jobs in Hyvinkää

Please do not apply for this role if you are not in Finland. Audicin is a neurowellness solution born in Finland and backed by neuroscience and wearable data expertise. We deliver brainwave-activating audio treatments that enhance recovery, focus, and sleep. Audicin can be used passively during work, sleep, or training.

Up to €75k + Working away allowance + Sole Accommodation + Flights Working on a 17/4 rotation Description Recognised and highly respected contractor within the data centre market, known for delivering projects on a full turnkey basis. Based in Dublin, they operate across Europe and are currently delivering data centre projects in nine different European countries.

Epec seeks a Power Electronics Specialist to design and implement power electronics and control circuits for electric vehicle battery management systems and electric power distribution.

CGI seeks an experienced Service Lead to manage end-to-end service delivery for a strategic insurance client. The role involves leading a global delivery team, ensuring high-quality service, and acting as the primary point of contact for operational services.

We’relooking for a product-minded builder who wants to shape a SaaS from the ground up — from first idea to real users in production. As aNouxian, youwon’tbe a cog in a 200-person dev org. You’llbe one of the peopledecidinghow things are built, whythey’rebuilt, and what gets built next. If you like ownership, responsibility, and slightly scary levels of impact — keep reading.

Freelance Social Media & Content Specialist needed to execute marketing strategy across digital channels, create engaging content, and manage LinkedIn presence. Must have proven experience in content management, strong writing and photography skills, and fluency in English.

Business Development Expert to drive market validation and commercialization readiness for a University of Helsinki research-based innovation. Lead commercialization planning, validate target customer segments, and deliver a go-to-market plan. Support investor readiness and represent the project at industry events. Requires demonstrated ability to build a new business in a technology-driven context and experience creating and executing business plans.

Develop advanced GNSS solutions, including measurement engines, DSP, algorithm design, and embedded software. Design and optimize measurement layer algorithms, implement production-level code, and enhance GNSS services.

OSS Service Assurance Engineer will monitor application health, triage incidents, and perform root cause analysis. Responsibilities include operating and optimizing GeoServer, managing ETL pipelines, and enforcing security. Requires experience with GeoServer administration, FME Workbench, Java/JBoss, spatial databases, and ITIL L2 support.

Manage and develop customer relationships in the Energy & Industry sector in Pohjois-Pohjanmaa and Kainuu. Visit client sites, identify needs, and provide innovative solutions. Build and maintain long-term relationships with construction experts, project managers, designers, business executives, and owners.

Create technical sailboat interior drawings using Siemens NX CAD software. Prepare BOMs, purchase orders, and documentation. Ensure drawings meet production standards and deadlines.

Project Engineer, Naval Architect to work on ship general arrangement design, concept and basic design projects, as well as retrofit assignments. Responsibilities include planning and development of ship general arrangements, coordinating and guiding design projects, and collaborating with customers, shipyards, and suppliers.

Solution Designer for Konecranes Data Platform development. Designs end-to-end data delivery solutions, ensuring quality and compliance. Leads design work for data models, data marts, reporting layers, and data loading jobs. Supports business analytics and data science requirements. Requires a degree in Computer Science or similar, experience with data integration and processing tools, and knowledge of data warehousing concepts. Fluent English required.

Software Architect will design and deliver high-quality solutions for customers. Responsibilities include leading product design and architecture, hands-on software development, identifying and mitigating risks, and mentoring team members. Requires experience with Microsoft technologies, AI & LLM usage, C#/.NET, ASP.NET Core or ASP.NET, Entity Framework Core or Entity Framework, SQL, Angular, React or React Native, REST API, Azure CI/CD pipelines, cloud platforms (Azure or AWS), and Agile development practices. Fluency in Finnish and good English communication skills are required.

The Financial Controller in Group Reporting prepares monthly consolidated financial figures, participates in annual reporting, and maintains accounting systems. The role ensures compliance with Finnish Accounting Standards and international tax regulations.

Tourism Assistant position for students under 29 years old, studying hospitality, business, language, communication, or marketing. Responsibilities include customer service, website updates, social media content creation, and event calendar management. Proficiency in Finnish and English required.

Senior Developer (Full-Stack) to build and evolve a SaaS product for contract review and redlining using AI. Responsibilities include backend development in Python/Django, front-end development with React, and integrating LLMs for contract analysis. Strong experience in software development, Python, and JavaScript is required.

The European School of Helsinki seeks a part-time Bulgarian L1 language teacher to instruct pupils from Nursery to Secondary school within the European School programs.

Cloud architects needed in Helsinki and Finland. Strong development skills in areas like AWS, Azure, Google Cloud Platform, Linux, networking, containers, or programming languages required. Proven experience in diverse projects and problem-solving abilities are essential.

Postdoctoral Researcher position in the Zhivonitko Research Group, NMR Research Unit, Faculty of Science. The position involves experimental NMR spectroscopy, parahydrogen-induced polarization, molecular modeling, and metal-free catalysis. The successful candidate will have a completed doctoral degree in a relevant field and experience in research.