back-end developer ruby

Helsinki, Finland About Wolt At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash...

Outokumpu Oyj is seeking a Platform Security Architect to plan, design, and improve security across global IT platforms, including compute, networks, public cloud and end user services. You will strengthen core security services and ensure scalable, business-aligned platforms.Responsibilities include designing security across platforms, developing endpoint...

Avarn Security is seeking security guards for versatile tasks in the Jyväskylä area with open-ended contracts. The role requires a customer‑oriented approach, strong interaction skills, and the ability to respond quickly to security situations.Ideal candidates are 18+, have a clean background, and hold a valid security guard card with fluent Finnish...

About HuaweiHuawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. With integrated solutions across four key domains – telecom networks, IT, smart devices, and cloud services – we are committed to bringing digital to every person, home and organization for a fully connected, intelligent...

About WoltAt Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash and together we keep...

About the roleAs a Delivery Specialist at Avarda, you will play a key role in delivering successful payment solutions to our merchants across the Nordics and supporting their growth journey toward new markets. You will own and drive merchant implementations from planning to successful go-live, acting as the bridge between our merchants and internal teams...

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading...

Your role Global growth requires consistent ways of working, clear governance, and a strong culture of continuous improvement. At Etteplan, we are strengthening our global Operating Model and are looking for a Global Quality Manager, Operating Model, to play a key role in that journey. In this role, you will lead the development of Etteplan's Quality and...

OverviewWe’re looking for a Principal Digital Experience Engineer to join our Marketing team in Helsinki, Dublin, Amsterdam, or the UK. Our website is our most important marketing asset — it’s where pipeline starts, where brand perception is formed, and where every campaign and paid media dollar ultimately lands. We need a recognized authority who can...

Overview Job Category: Sales About Salesforce Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn’t a buzzword — it’s a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering...

Job CategorySalesJob DetailsAbout SalesforceSalesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn’t a buzzword — it’s a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business...

Founded in 1909, Mehiläinen is a rapidly growing healthcare company that strongly invests in the possibilities of digitalisation and innovation. We are on a journey towards an ambitious goal: to be the leading healthcare company in Europe by 2030. Our growth story has already taken us to seven countries, driven by modern technology and the experts who make...

Our mission at Oura is to empower every person to own their inner potential. Our award-winning products help our global community gain a deeper knowledge of their readiness, activity, and sleep quality by using their Oura Ring and its connected app. We've helped millions of people understand and improve their health by providing daily insights and practical...

Job descriptionWe are always ​on the lookout for new talent, regardless of our current ​vacancies. If you are interested in Quuppa, please let us know about you and your interests. We do have employees in various positions in software and hardware development, ​as product owners and project managers, ​in sales, in sales engineering, and in...

We are looking for a Senior Software Engineer to join the AI Platform Team at Smartly! Our team works on helping marketers make the most of their ad creatives (images, video, text) and campaigns (product and performance data). We build and experiment with AI-based solutions across the media and creative workflows. You will have the opportunity to take...

ŌURA in Helsinki is seeking a Senior Product Manager, Hardware to discover, develop and deliver groundbreaking hardware products that enhance the customer experience. You will own the product from concept to end-of-life, collaborating with engineering, design, scientists, and marketing to shape the roadmap and ensure timely, high-quality delivery.The role...

The University of Turku invites applications for a full-time Doctoral Researcher position in Privacy-Preserving Federated Learning and Trustworthy AI. The role is embedded in a Horizon Europe project and ends 31 August 2029, with the possibility of extension.Responsibilities include designing a self-learning Bi-Level FL framework, using PETs like DP and...

Wärtsilä Corporation in Finland seeks a Math Modeller to develop dynamic math models of vessel equipment, and to build the front-end of simulators. You will also document and maintain models while participating in agile activities.The role requires a Bs or MS in physics, applied math, or engineering, plus practical modelling experience, numerical methods...

u-blox seeks an experienced Senior Application Engineer to join a small, international team focused on delivering top-tier technical support for GNSS products. You will guide customers from design-in to maintenance, acting as a technical product expert and advocating for end users.You will collaborate with Product Development, R&D, and Field Application...

Are you ready to work at the forefront of technology and help build solutions where robotics meets practical business needs? We are looking for a Solution Specialist who thrives at the customer interface, takes action, and makes sure the solutions work. Your role combines hands-on work with technical design—from installation and deployment to integrations...