Full Stack Developer - Antrino Labs

Preventai AB; Stockholms kommun; On-site; SEK 700,000 - 1,000,000; Full time

Job summary

Antrino Labs, a vision infrastructure startup, is seeking exceptional Fullstack Engineers to build across frontend and backend, connecting cameras, deploying intelligence, and delivering real-time insights from video streams. You will work with React/Next.js, Node.js, and scalable APIs to support thousands of live streams, with privacy-by-design and GDPR-compliant architecture guiding every decision.

Join a fast-growing team, participate in system architecture decisions, and push for

Qualifications

• Must have strong experience as a Full Stack Engineer with production-grade apps.
• Proficient in JavaScript/TypeScript with React/Next.js experience.
• Skilled in designing scalable backend services and APIs.
• Familiar with PostgreSQL and cloud platforms (AWS/Azure).

Responsibilities

• Design, develop, and maintain frontend and backend components of the platform.
• Build user-facing features to interact with video streams, analytics, and insights.
• Develop scalable backend services and REST/GraphQL APIs.
• Collaborate with designers and engineers to deliver high-performance products.
• Ensure performance, reliability, and responsiveness as user base grows.
• Participate in system architecture discussions and code reviews.
• Work with DevOps and AI engineers to integrate ML and real-time data pipelines.

Skills

Full stack engineering

React

TypeScript

Next.js

APIs

Distributed systems

Cloud platforms

English communication

Tools

PostgreSQL

AWS

Azure

REST APIs

Docker

Job description

Do you want to be part of one of Sweden's fastest‑growing start‑ups? Antrino Labs is a vision infrastructure company. We build AI architectures that let cameras understand actions, behavior, and context across time – moving video beyond surveillance into real‑time, programmable sensing.

Instead of cameras just recording video in the background, they can now perform tasks in real time: detecting theft, identifying security risks, analyzing flows in stores and industries, and enabling organizations to act immediately when something happens. Video goes from being something reviewed in retrospect to becoming active, real‑time decision support.

This means that millions of existing cameras, which previously only functioned as passive sensors, can suddenly start working actively for businesses – from retail and logistics to security companies and public environments.

Everything is built on a foundation of Privacy by Design, where data protection and GDPR compliance are central parts of the architecture. The goal is to make advanced video analysis both powerful, scalable, and responsible in how data is handled.

We just closed our Seed Investment Round which was announced together with Dagens Industri and are scaling up to meet demand. Also, the company is certified through Institution för Strategiska Produkter which makes the company a strategic asset for the Kingdom.

Purpose and Goal

We are looking for exceptional Fullstack Engineers who want to be part of our journey in automating detection. In this role, you will work across both frontend and backend systems, building the core product experience that allows users to connect cameras, deploy intelligence, and interact with real-time insights from video streams.

The role is broad and hands‑on, where you will work closely with our engineering team and leadership to develop a scalable, high‑performance platform that can support thousands of live video streams and global deployments. You will help shape both the user‑facing interfaces and the underlying backend systems, ensuring the platform remains intuitive, fast, and reliable as we expand.

Responsibilities

• Designing, developing, and maintaining both frontend and backend components of our platform
• Building user‑facing features and interfaces that allow customers to interact with video streams, analytics, and system insights
• Developing and maintaining scalable backend services and APIs that power the platform
• Collaborating closely with designers and engineers to create intuitive, high‑performance product experiences
• Ensuring the platform remains fast, reliable, and responsive as the number of users, cameras, and data streams grows
• Writing clean, maintainable, and well‑structured code while following modern development best practices
• Participating in system architecture discussions and helping design scalable solutions for complex problems
• Troubleshooting and resolving bugs, performance issues, and production incidents across the stack
• Collaborating with DevOps and AI engineers to integrate machine learning systems and real‑time data pipelines into the product
• Continuously improving the developer experience, tooling, and internal workflows to accelerate development and product delivery
• Contributing to code reviews, technical discussions, and knowledge sharing within the engineering team
• Helping shape the technical direction of the platform as we scale globally and expand the product capabilities

Qualifications

• Strong experience as a Full Stack Engineer, preferably working on complex, production‑grade applications
• Solid experience building modern web applications, including both frontend and backend systems
• Proficiency with JavaScript/TypeScript and modern frameworks such as React, Next.js, or similar
• Experience designing and building scalable backend services and APIs
• Familiarity with databases and data modeling (e.g., PostgreSQL or similar)
• Experience working with cloud platforms such as AWS, Azure is a plus
• Understanding of system performance, scalability, and distributed architectures
• Experience integrating real‑time data systems, streaming architectures, or AI‑powered services is a strong advantage
• Strong problem‑solving skills and the ability to build reliable, maintainable systems
• Excellent communication skills in English, both written and spoken; Swedish is a plus

Personal Qualities

• We believe you are a team player with a strong work ethic, who thrives in a fast‑paced environment where you build something from the ground up together.
• You have a positive attitude towards problem‑solving and always deliver high quality in your accounting work, while being curious about how processes can be improved and streamlined.
• You enjoy solving problems and see opportunities where others see obstacles.
• In a rapidly growing company, things often change – therefore, you thrive in an environment where initiative, responsibility, and structure are important.