Senior Technical Writer

Estreem :
The new standard for payment processing in Europe.

Born from a strategic partnership between two major French banking groups, BNP Paribas and BPCE, Estreem is an independent fintech launched in February 2025. Its ambition is clear: to become the leading sovereign payment processor in France, with the ability to operate at a European scale.

In a rapidly evolving payments landscape, Estreem positions itself as a disruptive player, combining best-in-class security, technological agility, and economic competitiveness. The objective is straightforward: to quickly rank among the top three payment processors in Europe.

Estreem's three
"E's"
capture its DNA: technological
E
xcellence, deep industry
E
xpertise, and a strong
E
uropean vision.

Where we are:
Paris, Lyon, Toulouse

More information about Estreem and our projects is available on our website: Estreem | European Payment Processing for Banks

Your role and key responsibilities
Attached to the Product Department, you will be responsible for the complete transformation of Estreem's technical documentation by adopting a
docs-as-a-product
approach. Your role will be to define and drive the documentation strategy (vision, standards, governance, and information architecture), rethink the existing documentation (currently living exclusively within the Office suite) and lead the transition toward product-oriented documentation. You will produce, maintain, and continuously improve clear, structured, and scalable technical documentation, working closely with engineering and product teams throughout the entire development lifecycle.

You will operate daily within
GitHub-based workflows
(pull requests, reviews, versioning) and write and maintain documentation using
Markdown
.

Tldr: You'll take on a large set of legacy documentation and transform it into a clean, scalable, product-grade documentation system. This role is ideal for someone who thrives on big challenges, isn't afraid of complexity, and is motivated by bringing clarity and structure to evolving systems.

Key Responsibilities

• Migrate and restructure documentation into a centralized, version-controlled documentation platform
• Define and implement documentation templates, style guides, and contribution guidelines
• Write, edit, and maintain technical documentation (APIs, system overviews, operational guides)
• Embed documentation into engineering workflows by participating in GitHub pull requests and reviews
• Collaborate with engineers and product managers
• Ensure documentation accuracy, consistency, and alignment with product releases

Profile
Education :
Master's Degree

Experience :
5+ years of experience in technical writing

Languages :

• French: Fluent (C2)
• English: Fluent (C2)

Key Skills
Technical skills :

• Strong command of GitHub workflows
• Strong expertise in API documentation (REST, endpoints, schemas, authentication)
• Advanced technical writing skills using Markdown
• Excellent written English
• Knowledge of documentation tooling and static site generators (e.g., MkDocs, Docusaurus, or similar)

Functional skills :

• Ability to structure and clarify complex technical topics
• Comfortable working in cross-functional environments
• Autonomous and detail-oriented, with an end-to-end mindset
• Ability to prioritize and evolve documentation over time
• Ability to work effectively in a Windows/PC environment, including the Office suite

Soft skills :

• Strong communication and pedagogical skills
• Ability to collaborate and influence, as the role will challenge and transform existing documentation practices
• Structured mindset, attention to detail, and high quality standards
• Curious, proactive, and adaptable in a fast-evolving environment with a large volume of documentation to process

What We Value

• A product/service-oriented mindset: focus on impact, concern for the end user.
• The ability to take a step back, challenge technical choices, and embrace a mindset of continuous improvement.

Position Details

• Permanent contract (CDI)
• Location: Paris – Bercy Village
• Executive status (Statut Cadre)
• Remote work: up to 10 days/month (maximum 3 days/week)

Compensation & Benefits

• Possibility to open a CET (Compte Épargne Temps)
• SWILE card (meal vouchers)
• FMD (forfait mobilité douce)
• Employee savings plans (PEE, PERCO), profit-sharing, and employer top-up contributions.

We are committed to a quality-driven recruitment process and treat every candidate with care and respect. This position is open to candidates with disabilities.
Finally, we place particular importance on our future colleagues acting with ethical and professional responsibility in their day-to-day work. At any stage of the recruitment process, the information provided on your CV, your identification details, and your background may be subject to verification.