Java Integrations Backend Engineer

Location:

Berlin, Germany (hybrid). We prioritize candidates who are already in Berlin.

Start:

As soon as possible.

TL;DR

Java 17+ \& Spring Boot, PostgreSQL, security by default, ops/observability mindset, hybrid Berlin.

About LawX

LawX is an AI-powered Legal Tech company based out of Berlin. We are the next-generation Operating System for notaries and SME law firms. LawX is an end-to-end system that enhances legal work from client onboarding to invoicing with a secure, compliant, and user-friendly software for legal professionals. We are VC-backed and a team of AI experts and former lawyers.

The Role

We are looking for a

Java

Integrations Backend Engineer

focused on building integrations between our core platform and external systems. Your primary responsibility will be designing and implementing reliable integrations — including data exchange in

XML

and other formats/protocols — developing and maintaining connectors to third-party services, and contributing to the evolution of the platform’s core components.

What You’ll Do

Design, build, and operate backend services in

Java (17+)

with

Spring Boot

and

Spring Security

.

Design and maintain integrations with SOAP/WSDL services and clients using Apache CXF; own integrations with third-party and internal systems

(contracts, schema mapping, versioning, retries/idempotency).

Contribute to core product

Add observability (structured logs, metrics, tracing) and drive incident-ready operations.

Collaborate with frontend, design, and legal experts to ship product value—not just endpoints.

Our Tech Stack (you don’t need all, but depth in several)

Languages/Frameworks:

Java 17+, Spring Boot, Python

Integrations:

Apache CXF

,

SOAP/WSDL

, REST

Data:

PostgreSQL (query plans, indexing, partitions), Liquibase

ORM/DB Access:

Hibernate, jOOQ

Ops:

Docker, Kubernetes, one major cloud (Azure preferrable)

What You’ll Bring

3+ years

building production backend systems, including

Java 17+ and Spring Boot

.

Familiar with REST

Strong grasp of API design, domain modeling, and distributed-systems fundamentals (idempotency, consistency, retries, timeouts).

Familiar with AI tools. Cursor, Kira.

Solid testing culture (unit, integration, contract) and code review discipline.

Comfortable owning services end-to-end: from design docs and rollout plans to monitoring and incident follow-ups.

Excellent communication in English; ability to collaborate with non-engineers (e.g., legal experts).

Good German language skills, as integration documentation e.g. with official registers is often written in German.

Nice to Have

Familiar with technologies stack WSDL, XSD and etc. for building integrations.

Familiar with SOAP technology stack.

Experience working with Apache CXF libraries

Legal-tech or fintech, compliance-heavy, or data-sensitive product experience.

Why Join LawX

Impact: Your work directly improves workflows for legal and notary professionals.

Ownership: Real influence on architecture, standards, and roadmap.

Growth: Complex technical challenges, supportive peers, and a learning-friendly culture.

Flexibility: Hybrid setup with an office in Berlin.

How to apply

Interested in learning more about what it's like to build LawX with us? We would love to talk! Email our co-founder Torben Rabe directly at torben@lawx.de

.

Include this role's title in your subject line.

Send along links that best showcase the relevant things you've built and done (GitHub, portfolio, talks).

Tell us briefly why you're interested in joining LawX.

Is this role not the right fit?

If you resonate with our mission and think your profile would be a great fit, send an email to torben@lawx.de and pass along any information you believe is relevant.