back-end developer ruby

KONE is a global leader in the elevator and escalator industry: our job is to make the world's cities better places to live. At KONE, our mission is to improve the flow of urban life. As a global leader in the elevator and escalator industry, KONE provides elevators, escalators, and automatic building doors, as well as solutions for maintenance and...

Veikkaus is a gaming company for everyone, striving to be better in every aspect. Our passion is to drive better gaming so that our customers can enjoy every moment. Caring, teamwork, and courage are the values that guide everything we do. Responsibility is a core of our operations. Our goal is to be a respected and successful international money gaming...

About Wunderdog We're a 70-person consultancy helping development teams get better at using AI tools to build things the right way and faster. Not through Powerpoint slides, but through handson training workshops and actual work in teams at companies like Finnair, Elisa, SOK, Alma Media, Sanoma, Blueprint Genetics, RELEX, Smartly and Babbel. Our focus is the...

Mapbox is the leading real‑time location platform for a new generation of location‑aware businesses. Mapbox is the only platform that equips organizations with the full set of tools to power the navigation of people, packages, and vehicles everywhere. More than 4 million registered developers have chosen Mapbox because of the platform’s flexibility,...

About AlphaSense The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity research, company filings, event transcripts, expert...

Responsibilities Implement Temporal workflow activities in Go: HSS adapter, PCRF adapter, Inventory update. Build and validate unit tests for all workflow activities from day one. Build the Inventory Management Database: tables, indexes, partitioning for 30M records. Build bulk import tooling: CSV → ICCID/IMSI/MSISDN range ingestion from vendor. Implement...

Full-time Company Description IFS is a billion-dollar revenue company with 7000+ employees on all continents. Our leading AI technology is the backbone of our award-winning enterprise software solutions, enabling our customers to be their best when it really matters–at the Moment of Service™. Our commitment to internal AI adoption has allowed us to stay...

Founded in 1910, KONE is a global leader that provides elevators, escalators and automatic building doors, as well as solutions for maintenance and modernization that add value to buildings throughout their life cycle. Our mission is to improve the flow of urban life and make our world’s cities better places to live by providing innovative solutions that...

Job Title: C++ Developer Job Type: Contractor Location: Remote Job Summary Join our customer team as an expert C++ Developer focused on advancing a cutting-edge AI agent project. You will use your deep expertise in C++ to design, optimize, and train AI models, directly contributing to breakthrough innovations in AI systems. This is an exceptional opportunity...

Segment: Danfoss Power Electronics and Drives Segment Job Category: R&D, Technology and Engineering Work Location Type: Hybrid Development Engineer, Electronics Req ID: 51085 Job Location: Vaasa, FI Employment Type: Full Time Segment: Danfoss Power Electronics and Drives Segment Job Category: R&D, Technology and Engineering Work Location Type: Hybrid Job...

Työn kuvaus Interested in using data to improve supply chain processes? Join Wärtsilä Energy to develop reporting, data solutions and smarter ways of working across supply chain management. Key responsibilities In this position, your focus will be on developing more data-driven ways of working within Wärtsilä Energy’s Supply Chain Management...

Job Description SummaryJob DescriptionThe Mission: Electrify the FutureAt GE Vernova, we aren’t just building equipment; we are engineering the backbone of the global energy transition. The FACTS (Flexible AC Transmission Systems) Solution Line is at the heart of this mission, enabling grids to handle more renewable energy with greater stability.As the...

Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~16,800 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over...

About Mapon 35,000+ active clients. More than 400,000 connected devices. 150+ partners worldwide. And 200+ colleagues behind it all. Mapon has already built the scale, trust and reach of an established European B2B SaaS and telematics company, and we are still far from finished. Our platform helps businesses manage their vehicles, teams and assets, reduce...

Reaktor's award-winning tech community is looking for AI developers to join us in Helsinki. If you thrive on applying cutting-edge AI technologies, building LLM-powered applications, and driving projects through the full software development lifecycle — and you’re passionate about solving real human problems with a holistic approach — we’d love to...

About AlphaSense The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision‑making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity research, company filings, event transcripts,...

Olana Energy is seeking a Project Development Director to accelerate the development of energy storage and data center projects in Finland and Europe. You will lead the end-to-end development process, coordinate with landowners, grid operators, authorities and other stakeholders to ensure feasibility and progress.You bring renewable energy project...

Job ID: 4412 Welcome to Group Technology, where we pride ourselves on engineering solutions and direct Nordea’s transformation by providing a holistic technological view and structured understanding of the bank, and its surrounding environment to enable the Customer Vision and the Business Strategy.Job ID: 4412 Welcome to Group Technology, where we pride...

Lyyti is hiring two Full-Stack Developers to join our Product Team. You will work across the entire stack—frontend, backend, databases, APIs, and infrastructure—owning features end-to-end from UI to deployment.The role offers a dynamic environment focused on AI-based features, mobile app extensions, and modernization, with offices in Turku/Helsinki and...

EWOR is launching cutting-edge new initiatives, and we are looking for exceptional operators and builders to join our new department. We are backed and led by serial entrepreneurs, including Paul Müller (founder of Adjust, €1.2B exit) and Petter Made (founder of SumUp, €8B), who have built high-impact technology and category-defining ventures from the...