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Senior Product Engineer - AI Native

DiliTrustParis - La DéfenseEngineering
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Salary
Not listed
Job type
Permanent
Posted
18 Sept 2026
Status
Open · checked 8d ago

About this role

Role Overview

The Senior Product Engineer - AI Native position at DiliTrust in Paris - La Défense involves working at the intersection of AI, product, and engineering to scale the proprietary Lini AI engine. This permanent role suits an experienced software professional with a background in B2B SaaS platforms who wants to drive AI-powered legal technology solutions.

Key Responsibilities

Write detailed specifications establishing executable acceptance criteria, non-functional requirements, data classification, and authorization matrices before generation begins.
Freeze system contracts, including API schemas, types, and module boundaries, prior to component fan-out.
Pilot coding agents utilizing tight briefs, bounded contexts, explicit stop conditions, and full traceability.
Maintain separation between producers and verifiers, acting as an independent adversary during code review rather than confirming surface quality.
Build asymmetric verification gates such as property tests, contract tests, and execution-plan checks to ensure volume safety.
Perform strategic code reading by risk zone to evaluate actual defect rates and maintain correct system mental models.
Limit work-in-progress by capping pull request sizes, utilizing thin vertical slices, and executing trunk-based development with short-lived branches.
Design architectures focused on blast radius containment, featuring reversibility, progressive delivery, and comprehensive structured logs and traces.

Requirements

Must be based in France with full working rights.
Fluent in both French and English.
8+ years of professional software engineering experience, featuring significant involvement in building and operating production B2B SaaS platforms.
Proven ownership of product features across their entire lifecycle on long-lived, multi-year solutions.
Strong background in complex, scalable web architectures with a deep understanding of modularity and system coupling.
Demonstrated, sustained production use of coding agents for delegated implementation with review and accountability.
Concrete comprehension of generated code failure modes, including correlated defects and uniform surface quality.
Practical fluency in property-based testing, contract testing, and test-data strategy maintenance.
Strong knowledge of multi-tenant authorization modeling and security attack surfaces unique to agent-assisted pipelines.
Expertise in performance optimization, encompassing query budgets, N+1 problem prevention, and execution-plan reviews.
Exceptional written communication skills focused on precise specification creation.
Extensive collaborative experience working directly with product managers, designers, and stakeholders.
Master's degree in Engineering or equivalent practical experience within senior SaaS environments.

Skills and Tools

Node.js
TypeScript
Vue.js 3
PostgreSQL
MariaDB
Docker
Kubernetes
Terraform
GCP
LLM and Coding Agents

Salary and Benefits

Friendly and international work environment with global office presence
Remote policy enabling a balance between onsite and remote work
Day-to-day benefits managed by the CSE, including luncheon vouchers and profit-sharing bonuses

About the Company

DiliTrust is a global software-as-a-service provider dedicated to digitizing legal departments worldwide with an integrated suite of legal and governance products. Experiencing an annual growth rate exceeding 40% since 2020, the company supports 2,400 customers across 64 countries from eight international offices. Recognized consistently with "Happy at Work" and "Tech at Work" labels since 2019, DiliTrust pioneers AI features within the Legal Tech sector.

How to Apply

Interested candidates should visit the official DiliTrust careers page to submit their application for the Senior Product Engineer - AI Native position.

Skills and tech stack

LLMKubernetesDockerGCPTypeScriptPrompt Engineering

Questions candidates ask

Where is the Senior Product Engineer - AI Native role located?

The position is based in Paris - La Défense, France, with a remote policy that helps balance remote and onsite work.

What level of experience is required for this job?

Candidates must have 8+ years of professional software engineering experience, with significant time spent building and operating B2B SaaS platforms in production.

Is this an ML research or prompt engineering position?

No, this is not a prompt-engineering role or an ML/LLM research role; it focuses on product engineering, architecture, and agent-assisted pipeline governance.

What technologies are used in the tech stack?

The tech stack includes Node.js, TypeScript, Vue.js 3, PostgreSQL, MariaDB, Docker, Kubernetes, Terraform, and GCP.

What language proficiency is required?

Applicants must have full working rights in France and be fluent in both French and English.

Ready to apply?

The application is on the official DiliTrust careers page.

Apply on company site