back-end developer ruby

Who we areInvosy Oy is a growing invoicing service company that designs and develops its own systems, websites, and digital services for businesses. We operate from a modern office in the heart of Helsinkis Kamppi district, where teamwork and open communication are at the core of everything we do.We focus on high-quality code, long-term development, and...

Wellmo Back End Lead Developer Job Description At Wellmo, customer experience is at the forefront of everything we do. To help us develop world class services that improve customer experience we are now looking for a new lead back-end developer. You will be responsible for leading architecture and back-end development to provide wellness and health service...

Invosy Oy is seeking a Back-End Developer to design and implement scalable back-end services and APIs for our own systems and client projects. You will work with front-end developers and designers to deliver robust, efficient solutions.We value clean, maintainable code and familiarity with cloud platforms. The role requires at least two years in back-end...

Is front-end and Javascript development your passions? Join us to change how websites are made.Oidom is in the need of an experienced Frontend Developer capable of building functional code and beautiful things. You'll be working on the Oidom sitebuilder application that is mainly built on React. You will be mainly working with adding new features to the...

About the role We are looking for a Front-end Developer for our client Marioff. This position is well-suited for someone at the early stage of their career. In this role, you will be able to start as soon as possible, with work available until the end of 2026. Marioffs office is located in Vantaa, and the work is done in a hybrid model, requiring you to work...

Marioff is seeking a Front-end Developer to join the team at an early stage of your career. The position is based in Vantaa with a hybrid work model requiring at least two days per week in the office. You will contribute to UI improvements and feature work in a React/TypeScript environment.Key tasks include updating labels and tooltips, fixing layout bugs,...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Technical Lead (Ruby on Rails, AI-Native) based in Finland. We are seeking an experienced, hands-on Technical Lead to shape engineering culture, establish technical standards, and guide a distributed development team in an...

Elisa Patents in Finland seeks an experienced Patent Professional to work with Elisa’s inventors and business units to identify and protect innovations, taking end-to-end responsibility for a portion of Elisa’s patent portfolio.You will coordinate drafting and prosecution with external patent attorneys, advise on IP matters, and help develop...

We are now looking for a Sales Manager (back office) to help us create a world that is one degree better We are seeking a Sales Manager to strengthen our Sales Back Office operations in burner sales. As a Sales Manager, you will support the front-line sales team by ensuring that order and customer processes run smoothly and efficiently. You will play a key...

Reaktor is seeking AI developers in Helsinki to design and build end-to-end AI-enabled applications. You’ll work across backend, frontend, and infrastructure, integrating OpenAI and open-source LLMs, and deploying in cloud environments with Docker and Kubernetes.You’ll contribute to end-to-end AI use cases, participate in RAG pipelines, and collaborate...

Reaktor in Helsinki is seeking AI Developers to join a collaborative tech community focused on building LLM-powered applications across the full software lifecycle.You’ll design end-to-end AI software, integrate OpenAI/Anthropic/Meta models, and work with RAG pipelines, embeddings, and vector stores while collaborating with client teams to select the right...

ZEAL Network is seeking a Senior Product Manager to own the development and continuous improvement of a digital consumer product. You will translate business goals and customer needs into clear product priorities, own the roadmap, and drive initiatives from discovery through delivery and iteration.This hands-on role requires owning end-to-end product...

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 orchestration of managed Apache Kafka services across clouds, contribute to Karapace, and develop React interfaces that users interact with.Your focus will be Python, spanning API design to the UI. You will extend...

We are now looking for a Sales Manager (back office) to help us create a world that is one degree better We are seeking a Sales Manager to strengthen our Sales Back Office operations in burner sales. As a Sales Manager, you will support the front-line sales team by ensuring that order and customer processes run smoothly and efficiently. You will play a key...

Our award-winning tech community is looking for lead developers to join us in Helsinki. As a lead developer at Reaktor, your job is to work with the full software development lifecycle, help your team succeed, and deliver results Your daily tasks include: Being the first point of contact for the client when it comes to technical questions or the quality of...

Visionite was founded in 2018 in Sweden, and a lot has happened since then. We have hired around 400 IT experts, opened several new offices and expanded our operations to Norway. Next up is Finland!With the opening of the Helsinki office, we are looking for new colleagues to work in software development. We do not recruit for a specific role, but rather...

Reaktor's award-winning tech community is looking for Lead Developers to join us in Turku. If you are in your element with a full software development cycle, have a passion for solving human problems with a holistic approach, and are curious to experience working in a low-hierarchy environment, you might just be what we’re looking for. As a Lead Developer...

We are looking for Software Developers to join our growing team Are you looking for the next step in your career, get a thrill from working in a fast-paced, international environment and are ready to make an impact? We are currently hiring software developers to join our team! Whether you already have experience working in a software developer role or are...

We’re now looking for a Senior Mobile Developer For our customer, 9Solutions. 9Solutions is the leading provider of real-time locating based safety, communications and smart care solutions from Oulu, Finland. Their mission is to create environments for safe and quality care by providing solutions that enable effective communication, make relevant...

About Air Apps At Air Apps, we believe in thinking bigger-and moving faster. We're a family-founded company on a mission to create the world's first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal, in 2018-and now with offices in...