ruby English-speaking jobs in Turku

Product Specialist responsible for Valtra Unlimited tyre offering. Manages material planning, coordinates with suppliers and production, and supports sales teams. Requires a Bachelor's degree and experience in supply chain, material planning, or production coordination.

Account Management Lead will lead and develop the Finnish mid-segment account management team, driving customer retention, upsell, and cross-sell performance. This leadership role reports directly to the Finland BU CCO.

Founding Engineer to build an energy trading platform from the ground up. Own technical architecture and work across the full stack, focusing on backend systems handling large volumes of electricity market and weather data. Experience building full-stack applications, ideally involving large-scale data processing or real-time systems.

Staff Backend Engineer to design and deliver a new Trust Accounting subsystem for a vacation rental management platform. Responsibilities include architecting a greenfield system, building production-grade financial infrastructure, and driving quality and reliability. Requires 8+ years of software engineering experience, deep backend expertise, and experience building and operating critical backend systems.

Postdoctoral Research Fellow will develop and validate low-TRL integration methods for electronics-photonics co-packaging and heterogeneous integration. Focus areas include heterogeneous integration of wide-bandgap electronic components and photonic components, and method development in advanced integration approaches. The position requires a PhD degree in a relevant field and the ability to conduct independent research. Desirable expertise includes micro-fabrication, device/wafer processing, bonding/assembly, advanced packaging, characterization, and/or reliability testing.

The Senior Production Testing Specialist is responsible for localizing tester manufactures and delivery chains, upgrading and maintaining production test systems, and participating in solution development. This role requires a Bachelor's degree in Engineering (Electrical/Electronic) and a minimum of 5 years of experience in electrical testing and commissioning.

Lead Developer at Reaktor will work with the full software development lifecycle, helping their team succeed and deliver results. Responsibilities include being the first point of contact for technical questions, collaborating with client teams, implementing new features, and improving team workflows. Requires experience in back-end, front-end, and DevOps, a minimum of eight years of relevant work experience, and fluency in Finnish and English.

Senior DevOps Engineer to join SRE team responsible for infrastructure development and maintenance. Experience with Kubernetes, public cloud environments (AWS), Ansible, and Linux OS required. Troubleshooting skills and knowledge of web technologies, networking, and security practices needed. Must be able to work three days a week in Helsinki office.

Experienced freelance content writer needed to create high-quality blog content for go-e, a wallbox manufacturer. Focus on e-mobility, EV charging technologies, and infrastructure. Must have proven experience in copywriting, ideally in a technical environment, and strong Finnish and English writing skills.

Manage daily hotel operations, including personnel, budgets, and guest services. Requires a bachelor's degree, 3+ years hotel management experience, and strong leadership skills.

Senior Instructional Designer to create engaging blended learning programs for adult professionals. Designs eLearning, virtual sessions, and on-the-job activities. Leverages generative AI tools and collaborates with subject matter experts. Requires instructional design expertise and experience with AI-driven learning.

Hiring for seasonal roles in Pyhätunturi: Chefs, waiters, bakers, bartenders, and shift supervisors (kitchen & front of house). Previous experience required for shift supervisor positions.

Trainee to join a low-hierarchy investment team in private equity. Contribute to transaction evaluation, portfolio company development, and new investment screening.

Mechanical Engineer to design, develop, and test mechanical components and systems for hyperspectral microsatellite platforms. Responsibilities include 3D CAD modeling, documentation, collaboration with cross-functional teams, and building test setups. Requires a Master's or Bachelor's degree in Mechanical Engineering, 1-3 years of experience in PTC Creo, and a hands-on prototyping mindset.

Njordyx seeks a co-founder to drive defense fundraising, strategic partnerships, and ecosystem access. This role requires experience in defense technology, business development, and navigating long-cycle procurement environments.

Strategic Account Manager to drive sales and manage relationships within a strategic customer. Requires deep understanding of 5G/6G RAN test & measurement, ORAN, AI-RAN and digital twin simulation.

Aalto University seeks an Assistant or Associate Professor to conduct research in freshwater quality management. Responsibilities include leading research projects, teaching at various levels, and collaborating with stakeholders. A doctoral degree in a relevant field and strong research background in freshwater quality are required. Expertise in areas such as water quality monitoring, modeling, or policy integration is preferred.

Customer Success Sales Representative will build relationships with customers through inbound and outbound calls. Responsibilities include retaining merchant customers, exceeding KPIs, and collaborating with teams. Requires proven sales or retention experience, fluency in Finnish and English, and strong communication and problem-solving skills.

Outlier seeks skilled software experts to train generative AI models. Contribute by developing evaluation criteria, reviewing system logs, and testing for vulnerabilities. Requires 2+ years of experience in backend engineering, AI automation, or complex systems integration. Strong command of at least two programming languages and SQL databases is necessary.

Senior Process Engineer to execute and manage R&D and customer projects related to the processing of Inkron's materials, especially nanoimprinting of AR waveguides. Requires MSc or PhD in a relevant field, 5+ years of experience, and strong background in nanotechnology, optics, or materials science. Experience with nanoimprinting and related characterization methods is highly valued.