back-end developer ruby

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 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 on...

We are looking for a talented Senior iOS Developer to play a key role in the mobile applications’ development team. You have a strong history with iOS development, and ideally, you have some experience with Android too so that you can adapt your expertise to multi-platform projects when needed. Working alongside product managers, designers, QA engineers,...

The Institute is looking for an outstanding individual with strong web and systems development skills to join the Knowledge & Information Services Team. Closing date: 2 August 2016, 23:59 UTC+3 United Nations University objectives The United Nations University (UNU) is an international community of scholars, engaged in research, postgraduate teaching and...

Thank you for your interest in this opportunity! Your application will only be considered complete after finishing a digital assessment. At the end of your application, and if you meet the required criteria for the role, you will receive a link via your registered email to access it. This step is mandatory, as our recruitment process is based on competency...

Outokumpu Stainless Oy is seeking a Service Manager for End User Services, AD and VDI to lead service management and ongoing development of AD/VDI services within a global IT environment.You will be the single point of contact for business stakeholders and vendors, driving improvements, overseeing CAB processes and ensuring service performance. The role...

The Opportunity We are looking for a talented Senior iOS Developer to play a key role in the mobile applications’ development team. You have a strong history with iOS development, and ideally, you have some experience with Android too so that you can adapt your expertise to multi-platform projects when needed. Working alongside product managers, designers,...

Description Position at Ookla We are looking for a talented Senior iOS Developer to play a key role in the mobile applications’ development team. You have a strong history with iOS development, and ideally, you have some experience with Android too so that you can adapt your expertise to multi-platform projects when needed. Working alongside product...

Founding Audience Developer – Editorial creator and community builderHelsingin Sanomat is exploring new ways to make Finnish news more accessible, relevant and engaging for international residents in Finland, especially those who prefer to follow news in English or Easy Finnish. We're combining journalism, audience insight, AI-supported tools and product...

We are looking for new professionals to join Pareto's journeyPareto is a growing software company built around experienced professionals and a sharp focus on what delivers results.We currently have over 50 senior software professionals on our team, and we’re hiring more this year. We’re looking for an experienced backend developer who wants to work on...

Fancy Building Something More Meaningful Than Another Food Delivery App?Version 1.0 Right then, here’s the deal: We’re building a rather important platform to help activists coordinate their efforts and really get things done. No pressure, but the future of the planet might depend on it. (No, really.) We’re taking years of on‑the‑ground experience...

Description Position at Ookla The Opportunity: As a Software Developer, you will work as part of a collaborative engineering team to design, develop and maintain high-quality software that powers our products and platforms. Depending on the team, you may work across backend services, web applications, APIs, data platforms or other components of our...

We are looking for an experienced ArcGIS Developer / Specialist with strong hands‑on experience in ArcGIS Enterprise / ArcGIS Portal environments and ArcGIS application development. Mandatory Skills and Experience ArcGIS Experience Builder development – ArcGIS Enterprise / ArcGIS Portal Web Maps & Web Scenes – ArcGIS content management Feature Layers,...

Description Position at Ookla The Opportunity We are looking for a talented Senior iOS Developer to play a key role in the mobile applications’ development team. You have a strong history with iOS development, and ideally, you have some experience with Android too so that you can adapt your expertise to multi-platform projects when needed. Working...

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...

Verda, based in Helsinki, is building a European AI cloud that enables developers to configure, deploy, and manage compute programmatically. You will shape the DX for CLI, API, and documentation, blending product design with developer advocacy to improve the end-to-end journey.The role focuses on designing API interactions, Kubernetes/workloads concepts, and...

Neste, the world’s leading producer of renewable diesel and SAF, is seeking a Business Process Development Manager to drive end-to-end Lead-to-Cash process development across Commercial Operations from Espoo, Finland. The role is available as a permanent position and a 10-month fixed-term assignment starting January 2027.As a process development SME, you...

Select how often (in days) to receive an alert: Create AlertFrontend Developer for Asset Finance SolutionsHelsinki, FI, 00500Job ID:6229Are you passionate about building modern, accessible, and user-friendly web applications? We're looking for a Frontend Developer to join our Asset Finance Solutions team. You'll help create digital services used by customers...

Are you a developer with an AI-native engineering mindset who takes pride in building rock-solid, critical software? We at Talented are looking for a Software Developer - AI Champion to join our client Jetico as a key technical anchor for their expanding R&D team in Espoo, Finland.Jetico is a Finnish cybersecurity pioneer specializing in endpoint data...

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...