Full Stack Development Engineer

Company Description Lektor Aero is a high-learning-tech company dedicated to providing cutting edge training solutions for Air Traffic Control. With a focus on innovation, we leverage latest educational technology to deliver state-of-the-art training experiences. Our mission is to enhance the skills and expertise of aviation professionals globally, ensuring safer and more efficient air traffic operations. Lektor Aero is committed to pushing the boundaries of learning technology to support the future of the aviation industry. Role Description This is a full-time, onsite/hybrid role for a Full Stack Developer located in Helsinki. The Full Stack Developer will be responsible for designing, developing, and maintaining both front-end and back-end components of web- and game-based applications. The role includes collaboration with cross-functional teams to deliver seamless user experiences and robust software solutions. Additional tasks include ensuring application performance, troubleshooting, and participating in code reviews to maintain quality standards. Qualifications Experience in Front-End Development including proficiency in HTML, CSS, and responsive designProficiency in Back-End Web Development, with familiarity in server-side languages and frameworksExpertise in Full-Stack Development, with the ability to work seamlessly across both front-end and back-end systemsStrong foundation in Software Development principles and practicesProblem-solving skills and ability to work collaboratively in a team environmentBachelor's degree in Computer Science, Software Engineering, or a related fieldExperience in aviation or educational technology is a plus What you’ll do Build React UI flows and reusable components on Vite + TailwindDesign and implement NestJS APIsDevelop features into a 2D/3D simulation platformImprove reliability with tests (Jest/Playwright) and monitoring (Sentry) What we’re looking for Strong TypeScript across frontend and backendExperience with React, Node.js/NestJS, and SQL/PrismaComfort with Docker and KubernetesProduct mindset and collaborative deliveryAbility to work in a global team Location Company is based in Helsinki. Remote work is possible, but regular presence in Helsinki / Southern Finland will be required. Term Permanent, with probation period. Apply now and take the pilot seat in sculpting the future of ATC training. Applications are open until March 13th 2026. Shortlisted candidates will be interviewed during March and April. More information from CEO Samuli Suokas, samuli.suokas@lektor.aero CTO Tomi Äijö, tomi.aijo@lektor.aero