Staff Fullstack Engineer

Job Description
We’re seeking a driven Staff Fullstack Engineer to join one of the fastest-growing legal tech companies in Europe as we scale the engineering foundation across our AI product suite.
This role focuses on owning and driving complex systems across our products, ensuring performance, reliability, and scalability as we continue to grow.
Working closely with Engineering leadership, you’ll operate as a senior technical leader without direct reports, taking ownership of key technical initiatives and driving execution across teams.
For an engineer with strong ownership mindset and technical leadership, this is an opportunity to take the lead on critical systems, improve architecture, and deliver high-impact results quickly.

Your Challenge and Opportunity in This Role
As a Staff Fullstack Engineer, you’ll play a key role in shaping up the tech and best practices of our JUPUS Application used by law firms across Europe.
You’ll take ownership of complex technical topics, drive implementation, and ensure systems are built for performance, scalability, and reliability. Expect high responsibility, fast execution, and visible impact across the product suite.

Tasks
Own and drive complex features and systems across our Application

Lead implementation of high-impact technical initiatives end-to-end

Be on the forefront of technical guidelines and code quality

Improve system architecture, performance, and scalability

Work closely with AI Engineers to bring AI systems into reliable production environments

Build and maintain backend services, APIs, and frontend applications

Identify and resolve performance bottlenecks across application and database layers

Maintain strong testing practices including unit, integration, and end-to-end testing

Collaborate across teams to drive technical decisions and execution

Implement and evangelize internally best practices, new technologies and techniques

Requirements
Technical Expertise
Strong experience building and scaling full-stack applications in production

Deep expertise in Python and Django

Experience with cloud infrastructure (preferably AWS)

Strong experience with PostgreSQL or similar relational databases

Experience with modern frontend frameworks (React, Vue.js, or similar)

Strong understanding of testing practices (unit, integration, E2E)

Technical Leadership & Ownership
Proven ability to own and drive complex technical topics independently

Strong focus on performance, scalability, and system design

Ability to make decisions and execute quickly in fast-moving environments

Proactive mindset with high ownership and low passivity

Experience improving existing systems and architecture pragmatically

Familiarity with AI-powered systems or workflows is a plus

Further Requirements
You must be located in the CET -2/+2 zone for this role

Benefits
🚀 Product Impact – Drive the systems powering our AI products
🔧 Technical Ownership – Take the lead on critical systems and initiatives without direct reports
🌱 Growth Environment – Work in a team focused on fast execution and continuous improvement
💼 Leadership Visibility – Direct collaboration with engineering leadership on key decisions
🏡 Fully Remote – Work from anywhere within the supported time zone
💻 Top Equipment – State-of-the-art MacBook and setup
🏋️ Wellbeing Perks – Urban Sports Club membership

If you want to take ownership of complex systems, drive technical direction, and deliver visible impact in a fast-moving AI environment, we’d love to hear from you.