---
title: 'Backend Engineer at Lexroom'
canonical: 'https://feeny.ai/job/backend-engineer-lexroom-milan-0fzcg06vpj19'
type: 'job'
last_seen: '2026-09-12'
---

# Backend Engineer at Lexroom

- **Company:** Lexroom
- **Location:** Milan, Italy
- **Compensation:** €40k–€100k
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-07-21
- **Last confirmed live:** 2026-09-12
- **Apply:** https://jobs.ashbyhq.com/lexroom/3ac55de3-1a39-4129-99f1-f702e78eecbc/application

**Skills:** Python, Django, FastAPI, SQL, NoSQL, Vector stores, Git, API design, Cloud platforms, AWS, GCP, Azure, ML/NLP, LLM integrations, AI developer tools, LangChain, LlamaIndex, OpenAI API, Anthropic Claude

> Design and build robust, scalable APIs and backend services using Python, Django, or FastAPI. Own backend architecture for core product features, optimize database performance across SQL, NoSQL, and Vector stores, and integrate LLM and NLP capabilities into the AI platform.

## Job description

At[Lexroom](http://lexroom.ai/), we’re not just building software; we’re revolutionizing the way legal professionals work. Our mission? To empower lawyers, law firms and companies with a world-class AI product that saves time, boosts productivity, and redefine what’s possible in the legal world. To become the most innovative AI company in Italy. To build the new sales standard, the sales school for B2B sales in Italy. We’re changing the game, and we’re doing it with a team of rockstars who are looking for their next big challenge and ambition.

Why[Lexroom](http://lexroom.ai/)?

- Shape the Future: Be part of the team that’s leading the AI revolution for legal professionals.
- Grow with Rockstars: Collaborate with industry-leading talents in an environment that values creativity, ambition, and growth.
- Make an Impact: Your work will directly influence how lawyers around the world practice law—more efficiently, effectively, and intelligently.

At[Lexroom](http://lexroom.ai/), we don’t just promise career growth; we promise a journey of learning, impact, and purpose. Ready to change the world of law?

## WHAT YOU'LL DO

- Design and build robust, scalable APIs and backend services using Python with Django or FastAPI.
- Own the backend architecture of core product features: from data modelling to deployment.
- Optimize database performance across SQL, NoSQL, and Vector stores — for speed, reliability, and AI-readiness.
- Develop and improve backend services that integrate LLM and NLP capabilities into our product, building on top of our AI platform.
- Collaborate with frontend and product teams through well-defined, reliable API contracts.
- Uphold engineering standards through code reviews, testing, and CI/CD best practices.

## WHAT YOU'LL BRING

- 3+ years of backend development experience, with strong Python skills.
- Solid experience with Django or FastAPI in production environments.
- Familiarity with cloud platforms (AWS, GCP, or Azure) and infrastructure fundamentals.
- Experience with modern databases — relational, document-based, or vector (a plus).
- Strong understanding of Git workflows, API design, and software engineering principles.
- Experience or genuine interest in ML/NLP and LLM integrations is a significant plus.
- Familiarity with AI developer tools and ecosystems — such as LangChain, LlamaIndex, OpenAI API, Anthropic Claude, or similar frameworks — is a plus.
- Proactive, ownership-driven mindset — you flag problems, propose solutions, and follow through.

## WHAT SETS US APART

An Exceptional Team Athttp://lexroom.ai[Lexroom.ai](http://Lexroom.ai), you’ll work alongside top talent in tech and legal AI. Our focused teams operate with purpose and autonomy, so every contribution delivers visible results. You’ll collaborate with people who pair innovation with rigor, curiosity with discipline, ambition with depth. Growth that Matters We hire exceptional people to make a difference—and we give them space to lead. Your work will shape the future of legal technology and set new standards for the field. Impact is defined by vision and execution, not by age or title. If you’re ready to take responsibility, you’ll find real opportunities to grow and lead high-stakes projects. Rewarding Your Contribution We value excellence and share success:

- Annual Salary Range: €40,000 – €100,000
- Equity Package: Align your growth with the company’s long-term success.

## BENEFITS THAT MATTER

- Hybrid Work: Flexibility to balance remote work with in-person collaboration at our Milan HQ.
- Health Insurance: Comprehensive coverage to ensure peace of mind.
- Meal Vouchers: Daily support to make your lunch breaks easier.
- Performance Bonuses: Rewards tied directly to measurable results.
- Team Retreats & Off-sites: Dedicated time to connect, collaborate, and spark bold ideas.

At[Lexroom](http://lexroom.ai/), we’re driven by bold ambitions and a passion for excellence. We’re building something great, and that requires dedication, hard work, and a commitment to continuous growth. If you’re excited about the opportunity to challenge yourself, work hard and make a real impact, then we’d love to see your application.

## About Lexroom

## Company Overview
- **One-liner**: Lexroom provides an AI-powered platform for legal professionals, offering legal research, document analysis, and drafting services with a focus on security, compliance, and professional empowerment.
- **Entity Type**: Private (Series B)
- **Headquarters**: Milan, Italy
- **Founded**: 2023
- **Founders**: Martina Domenicali (CSO), Andrea Lonza (CTO), Paolo Fois (CEO)

## Core Business
- **Primary industry**: Legal Technology (Legal AI)
- **Target customers**: B2B — law firms, in-house legal teams, accountants, and notaries across Europe
- **Mission statement**: "To accustom the legal sector to using artificial intelligence as a tool for professional empowerment, not replacement."

## Products & Services
- **Lexroom AI Platform**: A unified system for legal research, document analysis, and drafting. Provides precise, citable, verifiable answers with source links. Includes a Private Library module for searching internal firm knowledge, and a Microsoft Word Add-In. Available in tiered plans (starting at €75/month per user for the "1" plan, with custom Enterprise pricing).

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed
- **Key Metric**: Total funding raised — **$71.72M** across Series A and Series B. Latest round: **$50M Series B** led by Base10 Partners (closed ~June 2026)
- **Notable Investors/Partners**: Base10 Partners (lead), Acurio Ventures, View Different (Diego Piacentini), Riccardo Zacconi, Entourage, Verve Ventures, and other strategic angel investors
- **Growth Signals**: 10,000+ customers, 120+ team members, 5 offices across Europe (Milan, Rome, Madrid, Barcelona, Berlin). Rapid growth since founding in 2023, with a clear push to become the European benchmark for legal AI.

## Competitive Advantages
- **Security-first foundation**: ISO 27001 certified, fully compliant with GDPR and the EU AI Act. Zero training on customer data and zero retention policy.
- **Specialized for legal professionals**: Not a general-purpose AI tool; built specifically for lawyers with deep legal terminology and citation accuracy.
- **Human oversight integration**: Designed to amplify professional judgment, not replace it, with full transparency and source verification.
- **Strong European positioning**: Multi-country presence and compliance with European regulations gives it an edge in a market wary of US-based AI tools.

## Strategic Focus
- Becoming the benchmark for AI in the European legal sector
- Expanding across key European markets (Italy, Spain, Germany)
- Deepening product capabilities in research, drafting, and document analysis
- Maintaining strict security and compliance standards as a core differentiator

## Why Work Here
- **Culture**: Described as "international and multicultural" with specialists in law, engineering, data science, product, and customer success. Values include precision, transparency, accountability, and real impact.
- **Work Environment**: 5 offices across Europe (Milan, Rome, Madrid, Barcelona, Berlin). Remote/hybrid policy not explicitly stated, but the distributed office network suggests flexibility.
- **Impact**: Opportunity to "transform the daily lives of thousands of professionals" and solve complex problems in a high-stakes domain.
- **Team**: 120+ employees working alongside experts in AI and law. Described as a place where "ego stays at the door" and genuine collaboration is valued.
- **Growth**: Fast-growing startup with significant funding, offering the chance to build at scale and "set new standards" in legal tech.

## Sources
1. [lexroom.ai - About Us](https://www.lexroom.ai/en/about-us)
2. [lexroom.ai - Product & Pricing](https://www.lexroom.ai/en)
3. [lexroom.ai - Careers](https://www.lexroom.ai/en/careers)
4. [cbinsights.com - Lexroom Profile](https://www.cbinsights.com/company/lexroomai)
5. [LinkedIn - Lexroom](https://it.linkedin.com/company/lex-room)

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