front end developer

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...

We are looking for a Front-End Developer to strengthen our development team!Who we areKassavirtanen 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...

Ty"öpaikkakuvaus We are looking for a Junior Front-End Developer to strengthen our development team! Who we are Kassavirtanen 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...

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...

Kassavirtanen Oy etsii Junior Front-End -kehittäjää vahvistamaan kehitystiimiä. Tehtävässä rakennetaan käyttöliittymiä, tehdään yhteistyötä backendin kanssa ja tuotetaan laadukkaita, responsiivisia sovelluksia asiakkaidemme tarpeisiin.Hakija hallitsee Reactin ja JavaScriptin, osaa kirjoittaa puhdastaa koodia ja osaa SQL-tietokantoja sekä...

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,...

Join MVision AI, ranked #16 in Deloitte Fast 50 Finland, and help us revolutionize cancer treatment. We build cutting-edge, AI-driven cloud platforms that streamline radiotherapy workflows globally.About the roleAs a Backend Developer, you will own cloud services end-to-end to scale our platform for growing global demand. You will collaborate closely with...

Who we areKassavirtanen 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,...

Työpaikkakuvaus Who we are Kassavirtanen 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,...

AlphaSense Oy is seeking a Principal Design Engineer to shape the future of its product experience. You will create high-fidelity prototypes, guide technical design, and mentor team members in a strategic, cross-functional role.You should bring 12+ years of experience in product design, UX, or front-end engineering, with strong skills in HTML, CSS,...

Maybell Quantum is growing quickly, and we are expanding our technical group in Finland! If joining an outstanding team at one of the most exciting companies in quantum computing sounds interesting, then Maybell may be the place for you.Maybell is a venture-backed startup of scientists, engineers, visionaries, and innovators designing and building the...

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...

Kassavirtanen Oy hakee kokeneita Back-End -kehittäjiä rakentamaan skaalautuvia palveluita. Tehtävässä työskentelet osana kehitystiimiä, suunnittelet ja toteutat back-end-palveluita sekä API-rajapintoja sekä omille järjestelmillämme että asiakkaidemme projekteille.Yhteistyö frontend-kehittäjien ja suunnittelijoiden kanssa varmistaa sujuvat...

Kassavirtanen Oy in Helsinki seeks a Back-End Developer who enjoys building scalable services. You will design and implement back-end systems and REST APIs powering our platforms, working with front-end developers to deliver smooth user experiences.Required: 2+ years with C# / .NET and SQL, writing clean, maintainable code, and contributing to architecture....

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...

Reaktor's award-winning tech community in Helsinki is seeking full-stack developers to join our team for work across the entire software development lifecycle, from front-end to production.You’ll collaborate with client tech and business teams to select technologies, implement features across frontend, backend and databases, and deliver world-class...

Job ID: 5816 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.Job ID: 5816 Welcome to Group Technology, where we pride...

The Assistant Front Desk Manager supervises a front desk team that excels in delivering industry leading service to our guests. Responsible for motivating, coaching, training, evaluating and tracking development on an individual and team level. Plays a key role in leading a team of empowered individuals who will strive to deliver focused and extraordinary...

Vaisala, a global leader in measurement instruments, seeks a Mechanical Engineer to join the Industrial Measurements Products and Technologies team at Vaisala HQ in Vantaa, Finland. You will maintain and develop mechanics for a broad product portfolio, collaborating with production, product area teams, service, and field support.The role involves...

Siili is at the forefront of AI-powered digital development. We work with clients to turn ambitious ideas into production-ready AI solutions, spanning enterprise platforms, MLOps foundations, and LLM-powered applications embedded into core processes.You’ll lead architectural efforts, guide teams, and ensure AI initiatives deliver measurable business value....