Senior Mission-Critical Full-Stack Engineer (Defense AI)

NestAI; Jyväskylä; On-site; EUR 70,000 - 105,000; Full time

Benefits offered by this job

Occupational healthcare

Epassi Flex benefit

Lunch benefit

Regular team lunches and all-hands

Mac or PC

Holiday allowance

Phone benefit

Job summary

NestAI in Jyväskylä, Finland, seeks a Senior Full Stack FDE to lead the technical delivery and integration of our autonomous systems for premier partners.

You will build, adapt and scale modern web apps, decision-support interfaces, and backend connectors across complex customer environments, prioritizing reliability and security.

This high-stakes role requires versatility, quick study, and collaboration with customer teams and NestAI R&D to translate operations into scalable features.

Qualifications

• 5+ years shipping complex web applications and backend systems.
• Proficient in React with TypeScript and server-side Node.js, Python, or Go.
• Experience with RESTful APIs, WebSockets, databases (SQL/NoSQL), and Docker/Kubernetes.
• Willingness to travel up to 10% in Europe.

Responsibilities

• Own building and deploying client-facing web apps and dashboards.
• Design and implement APIs and backend services.
• Develop responsive, low-latency UIs for mission-critical environments.
• Collaborate with customer teams and R&D to translate needs into features.

Skills

Full stack development

React/TypeScript

API integration

Docker/Kubernetes

Cloud/On-prem deployment

Communication

Travel up to 10%

Tools

Docker

Kubernetes

REST APIs

WebSockets

SQL/NoSQL

Mapbox

Cesium

Job description

NestAI in Jyväskylä, Finland, seeks a Senior Full Stack FDE to lead the technical delivery and integration of our autonomous systems for premier partners.

You will build, adapt and scale modern web apps, decision-support interfaces, and backend connectors across complex customer environments, prioritizing reliability and security.

This high-stakes role requires versatility, quick study, and collaboration with customer teams and NestAI R&D to translate operations into scalable features.