senior full stack developer

Beware of Fraudulent Mercury Job Postings. Fraudsters may be posting fake job listings claiming to be from Mercury. Legitimate Mercury job offers will never ask for personal information or upfront payments. Always verify job postings through official Mercury channels. Mercury is the European leader in construction solutions. We build and manage complex...

DescriptionWinthrop Technologies is Europe’s only dedicated data centre delivery partner, offering full turnkey solutions from design through to construction and commissioning. Headquartered in Dublin, we deliver projects across Europe and have become the most trusted name in our sector.We are seeking an experienced Senior Quantity Surveyor to join our...

Vanhempi ostajaMercury on Euroopan johtava rakennusratkaisujen toimittaja.Senior Buyer, Helsinki, FinlandMercury is the European leader in construction solutions.We build and manage complex engineering & construction projects for the world’s leading corporations. Our solutions help deliver technologies and life changing advancements that connect people,...

Job Description SummaryOur Connectivity Driver Team in Helsinki is looking for a Senior Systems Designer to take ownership of the Software Development Life Cycle (SDLC) process including planning, requirements, technical design, ensuring quality and compliance of connectivity driver software used in critical healthcare environments.About the RoleInformation...

Job Description Summary Our Connectivity Driver Team in Helsinki is looking for a Senior Systems Designer to take ownership of the Software Development Life Cycle (SDLC) process including planning, requirements, technical design, ensuring quality and compliance of connectivity driver software used in critical healthcare environments. About The...

Beware of Fraudulent Mercury Job Postings. Fraudsters may be posting fake job listings claiming to be from Mercury. Legitimate Mercury job offers will never ask for personal information or upfront payments. Always verify job postings through official Mercury channels. Mercury is the European leader in construction solutions. We build and manage complex...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Tech Lead/Sr Backend (Go) Developer based in Finland. As a Tech Lead/Senior Backend Engineer, you will combine deep backend development expertise with hands-on ownership of modern cloud infrastructure. You will design and build...

Hoxhunt, based in Helsinki, is seeking a Senior Software Engineer to shape our gamified phishing platform. You will own full-stack features, contribute to scalable architecture, and work closely with product and engineering peers in a collaborative, high-ownership environment.The role emphasizes delivering high-quality software for a rapidly growing user...

HinoGo Oy in Tampere, Finland is seeking a versatile Full Stack Web & Mobile Engineer to join our development team as we scale a real-time mobility platform. This role covers WordPress, Node.js, React, Python, and Flutter across web and mobile layers.You will translate UI designs from Figma into production-ready code, support API integrations, and implement...

We are looking for a Senior Fullstack Engineer to contribute to the Tooling and Releases squads of the mission. We provide business-critical capabilities that power Oura’s state-of-the-art rollouts of new features, world-class Member eXperience troubleshooting, and next gen internal hub for launching bespoke tooling applications with the power of AI.This...

The Senior Payload Engineer will mainly be focusing on our SiltaSat Project. We are looking at providing the same capabilities of a traditional GEO communications satellite in a smaller, more affordable, quicker to space offering. This role is based in our headquarters in Helsinki. This person will join a team of experienced experts who are all contributing...

Head of Energy & Infrastructure Business – ALTEN Finland Lead the Growth of ALTEN’s Energy & Infrastructure Business ALTEN Finland, part of the ALTEN Group (60,000+ experts worldwide), is looking for a commercially driven and visionary Head of Energy & Infrastructure Business to lead and accelerate our growth within the energy, infrastructure, process,...

Senior Quantity Surveyor | Data Centres | Helsinki, Finland | €130,000About the RoleWe are recruiting on behalf of a growing construction contractor delivering major Data Centre, Life Sciences, Advanced Manufacturing and Critical Environment projects across Finland and Northern Europe.Due to continued growth and a strong Nordic project pipeline, they are...

Swarmia was founded to help engineering organizations ship exceptional software at a sustainable pace. As Swarmia engineers, we’re not only building a platform for our customers but also ourselves.We raised €10M in Series A funding in June 2025 and are growing fast. To help scale and expand the product, we’re looking for several Senior Software...

Are you looking for a career in an inspiring, global environment where your expertise makes a difference? At Neste, you will be working for the world’s leading producer of renewable diesel and sustainable aviation fuel, which enable our customers to reduce their greenhouse gas emissions. We are looking for you, Senior Manager, Materials to our Chief...

Are you ready to build the data foundations behind modern analytics, applications and AI solutions? At Advian, we are looking for a Senior Data Engineer to design and build modern data solutions for our customers especially in the energy and manufacturing sectors.In this role, you will work hands-on with cloud data platforms and operational data, building...

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...

We are looking for an AI-native software engineer with a focus on backend development to join our Suppliers team in Helsinki. Depending on your experience, we'll bring you in as a Senior or a Lead Software Engineer.Being honest, we haven't got this all figured out yet. Agentic development at Sievo is still in an exploration phase: engineers and teams across...

At Verda, we're building a full-stack AI cloud, covering everything from data centers and hardware to our own cloud platform that the world's leading AI teams use to do serious AI work. We strive to make a positive mark on the world through the infrastructure we build and give leading teams a service they can truly depend on. Headquartered in Helsinki, we...

Elisa is a Finnish market leader in telecommunications and digital services with over 6000 employees. With digitalization, we are providing solutions for things that are important to people and for sustainable development. We serve over 2.8 million customers in Finland, Estonia, and internationally and work daily to improve customer experience and...