Full-Stack Developer (React/NestJS) – Helsinki Hybrid

Lektor Aero Oy; Helsinki; Hybrid; EUR 65,000 - 90,000; Full time

Job summary

Lektor Aero Oy in Helsinki is seeking a Full Stack Developer to design, develop, and maintain both front-end and back-end components of web- and game-based applications, contributing to robust software solutions.

You will collaborate with cross-functional teams to deliver seamless user experiences, optimize performance, and participate in code reviews, testing, and monitoring using Jest, Playwright, and Sentry.

Qualifications

• Experience in Front-End Development with HTML, CSS, and responsive design
• Back-End development experience with server-side languages and frameworks
• Full-Stack capability across front-end and back-end
• Strong software development principles
• Problem-solving and teamwork
• Bachelor's degree in CS or related field
• Experience in aviation or educational technology is a plus

Responsibilities

• Build React UI flows and reusable components on Vite + Tailwind
• Design and implement NestJS APIs
• Improve reliability with tests (Jest/Playwright) and monitoring (Sentry)

Skills

TypeScript

React

Node.js

NestJS

Frontend development

Backend development

SQL/Prisma

Docker

Kubernetes

Education

Bachelor's degree in Computer Science

Tools

Docker

Kubernetes

Prisma

Jest

Playwright

Sentry

Job description

Lektor Aero Oy in Helsinki is seeking a Full Stack Developer to design, develop, and maintain both front-end and back-end components of web- and game-based applications, contributing to robust software solutions.

You will collaborate with cross-functional teams to deliver seamless user experiences, optimize performance, and participate in code reviews, testing, and monitoring using Jest, Playwright, and Sentry.