back-end developer ruby

  ABOUT US Indie Campers, the go-to campervan Marketplace, is on a mission of making road trips available to everyone. Thanks to its digital approach and customer-centric orientation, Indie Campers has developed a strong booking experience and high-quality road trips at affordable prices.  With over one million nights rented through our travel platform, we...

Aiven is seeking a Fullstack Software Engineer to join the Kafka Ecosystem team in Helsinki. You will build end-to-end features with Python in the platform, contribute to Karapace, and build React/TypeScript UIs that expose capabilities to users.You will own features end-to-end, design the API, build the async Python backend, and wire up the React/TypeScript...

We’re a global team of over 400 people, working together to push the boundaries of open-source technology and multi-cloud solutions. Our vision is to help developers, builders, and creators bring their ideas to life with speed and simplicity, by providing a cloud data platform that makes open-source databases, search, streaming, and application...

Senior Product Engineer (AI-augmented)We at Talented are now looking for an AI-savvy Senior Product Engineer / Full Stack Developer to work for our impressive customer - Venuu – the online marketplace reimagining how people get together to celebrate life’s special moments. Each month, they help over 400,000 people to book venues and services for their...

Do you want to help electrify some of the most advanced passenger vessels and polar ships in the world? At Helsinki Shipyard, we design and build tailor‑made, high‑class vessels — including icebreakers that operate in the most extreme marine environments on Earth.Our history stretches back to 1865, and since November 2023, we’ve been part of the...

Senior Full Stack Developer, Potilastietojärjestelmä-tiimi, Mehiläinen (Helsinki, Tampere, Turku) Haluatko olla mukana rakentamassa tulevaisuuden potilastietojärjestelmää? Oletko senior-tason kehittäjä, jolla on jo kokemusta tekoälyn hyödyntämisestä kehityksessä ja haluat päästä tekemään aidosti merkityksellistä työtä, joka muuttaa...

Meta Workspaces is a core product area at Smartly, helping advertisers manage, automate, and scale campaigns on Meta through Smartly. The team builds customer-facing experiences, automation capabilities, and integrations with the Meta Marketing API, enabling customers to access platform capabilities efficiently and operate at scale. As a Senior Software...

We are looking for a Software Engineer to join theKapacity.io team at EnergyHub! Our team, made up of YC alumni (S21) and elite product and software talent, builds some of the most advanced flexibility solutions in the market. Kapacity.io , previously backed by Y Combinator and acquired by EnergyHub in 2024, focuses on the European energy market, offering an...

Are you commercially driven, relationship-focused, and interested in working at the intersection of sales, technology, and long-term partnerships?We are looking for an Account manager, Global Partners to join a Nordic IaaS and datacenter company with an international customer and partner network. In this role, you will develop relationships with existing...

Title:: Technical Release ManagerDepartment: Platform & Release EngineeringLocation: Espoo, FinlandReports to: Release Engineering LeadEmployment type: PermanentWorkplace model: On-site/HybridEmployment is subject to applicable security screening (incl. SUPO)Why this role matters:The Technical Release Manager owns the end-to-end execution of releases in...

Want to work at Capgemini Finland, but couldn’t find your dream role in the open jobs listing? This is your chance to dazzle us and bring your unique expertise to the team!We are continuously looking for...Senior and junior professionals with different backgrounds, who want to shape a better future at the forefront of tech & business.Our roles range from...

Job Title: Manager, Control Center and Processes Salary: 8,000 - 9,000 Euro Per Month Location: Helsinki About us: We’re reinventing how the world uses data centres. Think flexible, optimised colocation services tailored for your requirements – all with the very best customer support you can imagine. And because our data centres are powered by...

Team Duplo is looking for a Senior Software Engineer to help shape the customer experience across Smartly. You'll work on customer onboarding, dashboards, and Design System adoption, helping create a consistent and intuitive experience across our platform. As part of the Platform Functionality (Media) product group, you'll collaborate closely with engineers,...

AMD is looking for a performance-obsessed senior engineer to push AI inference performance to the limit on AMD GPUs, with vLLM as the primary serving framework. You will work end-to-end across the stack: profiling, diagnosing, and optimizing leading models running on vLLM across customer-relevant serving configurations (e.g. agentic coding, long-context,...

We are looking for a Principal Engineer to join our Platform Group. As a leading technical expert, you will play a pivotal role in guiding our teams through some of the most complex technical challenges at Smartly. Your influence will be crucial in shaping the technical direction of our platform, identifying critical areas for future investment, and driving...

Own end-to-end delivery of key features across the technology stackBuild detection for emerging cyber attack patternsDevelop large-scale data processing capabilitiesBuild intuitive, high-quality user experiencesContribute to team processes and practices as the team and product scaleImprove system reliability and overall architectureCoordinate execution plans...

Nordea in Helsinki is seeking a Senior IT Analyst to strengthen the Markets Middle Office Accounting team. You will drive testing and quality across releases, translating business needs into clear, testable requirements and validating data and logic across integrated systems.You will design end-to-end test cases, collaborate with developers during...

oneNav, a pioneering startup in the GNSS industry, is seeking an experienced Field Application Engineer to join our technical team. The ideal candidate will have a strong background in RF and GNSS technologies, enjoy collaborating with customers, and be able to provide valuable feedback to the development team.Location: Tampere FinlandEmployment type:...

CapsLock is a global IT marketing company that pioneers unique, scalable customer acquisition solutions for B2C clients. We solve complex sales challenges across a wide range of industries, primarily for large North American partners. By integrating our expertise in Digital Marketing, IT, Design, AI-driven analytics, proprietary MarTech, and sales...

Proteins.1 is building the PCR for Proteins, a novel diagnostic platform for detecting biomarkers at the single-molecule level. We are moving from deep-tech research to a commercial device. We are backed by Lifeline and Cloudberry. Reality: the biology, the hardware, the IP and the founders are in place. Our independent labs are running, and the core...