Full Stack Developer

For our client in the banking sector, we are looking for a Full Stack Developer. Description of the tasks: Build the front-end of applications through appealing visual design Work with development teams and product managers to ideate software solutions Design client-side and server-side applications Develop and manage well-functioning databases and applications Write effective APIs Test software to ensure responsiveness and efficiency Troubleshoot, debug and upgrade software Create security and data protection settings Build features and applications with a mobile responsive design Write technical documentation Must-have knowledge and experience: 5+ years of experience as a Full Stack Developer or similar role Degree in Computer Science, Statistics, or a relevant field Strong knowledge of Angular front end framework Experience with Java back end development and JavaScript frameworks Hands-on experience with Microservices and REST API development using Spring Boot Experience building both web and mobile applications Familiarity with databases (e.g. Oracle), web servers, and UI/UX design Excellent communication and teamwork skills Strong attention to detail and good organizational skills Analytical mindset with the ability to explain complex concepts clearly Proven sense of responsibility and goal oriented work style Track record of delivering results Ability to collaborate and enjoy interacting with people Nice-to-have knowledge and experience: Previous experience working in the banking sector Experience with Credit Customer Journeys Answer these questions separately in a few sentences and attach them to your application! - Do you have handson experience developing frontend applications using Angular?* - Do you have handson experience developing back-end applications using Java and Spring Boot?* - Have you built and deployed microservices and REST APIs in your previous projects?* - Do you have experience designing and developing both web and mobileresponsive applications?* - Are you familiar with relational databases such as Oracle and comfortable writing SQL queries?* Location: Helsinki, Finland (hybrid, 2-3 days on-site) Allocation: 100% Start date: 2.3.2026 End date: 26.2.2027 Language: Fluent in English We offer you: We offer a versatile assignment where every day is different and interesting. We also offer a very competitive salary and good employee benefits. Salary range €4000–€5200 per month, depending on your skills! Are you interested in becoming a part of our dynamic team? The position will be filled as soon as a suitable person is found, so please be quick and submit your application! Please include your salary expectation in your application. For more information, contact Kimmo Kärsämä, tel. 050 412 7500, Explore Lokki, through our blog and website: https://www.lokki.fi/. Lokki Henkilöstöpalvelut Oy (Finnish for Seagull Recruitment Services) has been active in providing recruitment services since 2005 and we belong to The Private Employment Agencies Association HPL. Our vision is to provide the best customer experience with our reliable, humane and effortless service around Finland. Our most important asset is a person who, as we know, thrives in a reliable and supportive atmosphere. At Loki you will be supported by your own human resources consultant throughout your employment relationship. At Lokki, we believe in a partnership achieved as a result of flexible service. Explore us and our vacancies: https://www.lokki.fi/. You can also find us on Facebook and Instagram.