Senior Full-Stack Engineer: Real-Time Defense Web Apps

NestAI; Helsingin seutukunta; On-site; EUR 80,000 - 110,000; Full time

Benefits offered by this job

Occupational healthcare

Team lunches

Mac or PC choice

Holiday allowance

Phone benefit

Ongoing benefits development

Job summary

NestAI in the Helsinki region is seeking a Senior Fullstack Developer to build and evolve the operator-facing software at the heart of our platform, focusing on reliability and intuitive user experiences.

You will work across the entire stack—from design and architecture to front-end execution, API integrations, and system performance—collaborating closely with engineering teams and field leads to ensure real-world feedback shapes the product.

Qualifications

• 5+ years of professional software engineering in production web apps.
• Strong TypeScript and React experience with performance mindset.
• Experience designing and maintaining APIs used by developers.

Responsibilities

• Build operator-facing applications from independently deployed micro-frontends.
• Contribute to shared packages and reusable components for other teams.
• Implement high-volume, real-time visualizations on maps.
• Collaborate with Forward Deployed Engineers to bring field feedback into the product.

Skills

5+ years experience

TypeScript

React

API design

UI/UX attention

Tools

MapLibre

deck.gl

Cesium

Job description

NestAI in the Helsinki region is seeking a Senior Fullstack Developer to build and evolve the operator-facing software at the heart of our platform, focusing on reliability and intuitive user experiences.

You will work across the entire stack—from design and architecture to front-end execution, API integrations, and system performance—collaborating closely with engineering teams and field leads to ensure real-world feedback shapes the product.