backend java

About Happeo Happeo is a Series B startup revolutionizing how organizations collaborate and communicate through our unified social intranet platform. We combine collaboration tools, knowledge sharing, and internal communications into one seamless solution that helps teams connect and stay aligned. We pride ourselves on our dynamic, collaborative culture that...

Who are we? At Nosto, we're on a mission to make every impression relevant. We're a global leader in the booming e-commerce space and work with amazing customers like FIGS, Muji, Dermalogica and Douglas. We are processing data for thousands of merchants with tens of millions of visitors on their sites on a daily basis. Utilizing behavioral data, deep...

Location: Helsinki, Finland (flexible remote)Team: Compliance TeamLanguage: EnglishAre you a passionate backend developer with a solution-oriented mindset and experience in Node.js/TypeScript? At Paf, you'll have the opportunity to work on complex and exciting challenges as part of our Compliance Team! With us, you will enjoy great freedom in selecting...

ABOUT ENGINE Engine is the all-in-one travel and spend management platform trusted by 38K+ businesses and groups representing 1.8M+ travelers. We're the retailer and the rails of business travel, the fastest-growing company in travel tech, built on a decade of proprietary technology, supply, and pricing no one else can replicate. Other travel and AI...

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...

Reaktor's award-winning tech community is looking for full-stack developers to join us in Helsinki. 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 Full...

Reaktor's award-winning tech community is looking for full-stack developers to join us in Helsinki. 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 Full...

Reaktor's award-winning tech community is looking for full-stack 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 Full Stack...

Job ID: 5420   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.   We are looking for a skilled and versatile IT...

SEB is more than a bank. We are a technology-driven financial institution where everything starts from our customer needs and business outcomes. AI, data and modern engineering are natural parts of how we work, build and deliver value. From core banking platforms to agentic AI , automation, cybersecurity and cloud, we offer a broad tech landscape and many...

Are you a software developer with experience on working with a software product or software system, and would want to further develop into a world-class professional software developer? Dream Broker, a fast-growing online video software company, is looking for a Software Engineer to join the team. Our video platforms are being intensively developed and this...

Reaktor's tech community is looking for an experienced Senior Fullstack Developer to join one of our Business Units in Helsinki.If you are comfortable working across modern web applications, backend services and production systems, enjoy solving ambiguous problems with clients, and are curious to work in a low-hierarchy environment, you might just be what...

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 REST API endpoints...

At Aspia, we stand with the leaders, teams and companies who dare to grow. Growth requires clarity, courage and partnership – and we are committed to creating the space where ambition can thrive. We are now looking for an AI Engineer to join us in building and scaling AI across Aspia Group. Aspia is an international group specializing in finance, payroll...

Reaktor's tech community is looking for an experienced Senior Native Mobile Developer to join our Retail Business Unit in our European locations (Helsinki, Amsterdam, Lisbon). If you thrive in native mobile development, enjoy solving complex challenges in multidisciplinary teams, and are curious to work in a low-hierarchy environment, you might just be what...

About Agoda At Agoda, we bridge the world through travel. Our story began in 2005 when two lifelong friends and entrepreneurs, driven by their passion for travel, launched Agoda to make it easier for everyone to explore the world. Today, we are part of Booking Holdings (NASDAQ: BKNG), with a diverse team of over 7,000 people from 90 countries working...

Lead Developer Helsinki Hybrid | Full time. Our award-winning tech community is looking for lead developers to join us in Helsinki. As a lead developer, your job is to work with the full software development lifecycle, help your team succeed, and deliver results.Key ResponsibilitiesDaily tasks include being the first point of contact for the client when it...

About the RoleAlphaSense is moving beyond search toward AI-powered decision workflows and proactive intelligence that help professionals understand markets, monitor change, and act with confidence. Mobile is a critical part of that shift: our customers need trusted intelligence in fast-moving moments, not only when they are sitting at a desktop.Android is an...

We are looking for software developers with diverse experience to work on interesting client projects. This is a continuous open call, and we review applications regularly to match you with the right client project when the opportunity opens.We use a wide range of technologies and hope you have several years of experience in some of the areas listed:...

Innokas is a growing and experienced Finnish contract design and manufacturing company (CDMO), trusted as an expert partner by customers in demanding and regulated industries. We serve companies in health technology, industrial high-tech, and defense and dual-use sectors in the Nordics and Europe.We are part of the value-driven and family-owned Paree Group...