CAREERS

Your journey starts here.

Benefits and perks

These are a few of the many advantages to be working with MWI.

Passionate team
Join a young, enthusiastic team passionate about the sea, nautical sports, and innovation. Work alongside experts who are committed to transforming maritime navigation.
Professional growth
Benefit from opportunities to learn from industry leaders and expand your knowledge in maritime weather and AI. We encourage continuous learning and provide resources for professional development.
Collaborative environment
Be part of a collaborative and inclusive workplace where your ideas are valued and considered in our strategic decisions. Participate in team-building activities and enjoy a culture that fosters innovation and teamwork.
Work/Life Balance
Enjoy the flexibility of remote or hybrid work options, allowing you to balance your professional and personal life effectively. We support a work-life balance that suits your needs.

the team

Marine Weather Intelligence brings together an international team of highly skilled professionals from weather analysts and developers to data scientists and operational support specialists.

Job positions

Discover the available job positions!

BACK-END API ENGINEER (DevOps-oriented)

Overview

To support our growth and product evolution, we are strengthening our backend and infrastructure foundations with a DevOps-oriented Backend & API Engineer.

This role sits at the intersection of API design, data architecture, and platform reliability. You will progressively take ownership of core backend services while contributing to performance optimisation, deployment workflows, and overall platform robustness.

Responsibilities

Backend & API Design (Core of the Role)
Design, develop, and evolve APIs (GraphQL and/or REST)
Structure and improve schema design and data contracts
Optimise access to large volumes of data
Contribute to data modelling and evolution of backend models
Improve performance and scalability of backend services
Maintain and progressively take ownership of existing application components

Architecture Application

Contribute to backend architectural decisions
Help structure and enforce development best practices
Improve code maintainability and readability
Document services and their interfaces

DevOps Industrialisation

Participate in application deployments (Docker)
Improve and maintain CI/CD pipelines
Contribute to environment management (dev, staging, production)
Implement and enhance observability (metrics, logs, monitoring)
Contribute to the overall reliability and resilience of the platform

Tech Stack

Back End

Node.js / Deno
TypeScript
GraphQL (Hasura or equivalent)
REST APIs

Data

PostgreSQL
PostGIS (appreciated)
Large scale data access

Infrastructure & DevOps

Docker / Docker Compose
CI/CD (GitHub Actions or equivalent)
Object Storage (S3 or compatible)

Observability

Grafana
Prometheus
Loki

Required Profile

Essential

Significant experience in backend development
Strong proficiency in TypeScript
Solid experience designing REST and/or GraphQL APIs
Strong understanding of API design principles and data contracts
High sensitivity to performance and scalability challenges
Comfortable with Git and collaborative workflows

Highly valued

Strong GraphQL best practices
Experience with large-scale data architectures
Operational DevOps experience (CI/CD, containerisation, environments)
Experience with real-time or high-traffic APIs

Nice-to-have

Geospatial knowledge (PostGIS)
Experience with scientific or meteorological data
Familiarity with event-driven architectures
GitHub portfolio appreciated

In details

Job type: Permanent, Full-time job

Location: Auray, Morbihan, Brittany France (Hybrid/Remote)

Job level: Mid-Level / Experienced

Salary : 45-50k€/year

Why choose MWI

Real-world impact– Your work directly supports critical maritime operations.
Technical depth– Complex data, scientific challenges, high-performance systems.
Ownership & autonomy– Strong responsibility in architectural and technical decisions.
High standards– Focus on precision, reliability, and long-term robustness.
Deeptech environment– Build core technology at the intersection of science and engineering.
Team & culture – Join a young, international team based in Brittany, combining offshore sailing culture with scientific rigor and a shared passion for the sea.

DATA SCIENTIST (STUDENT)

Type: Full-time Internship

About MWI

MWI develops advanced routing and weather intelligence solutions for maritime professionals. Our mission is to optimise navigation and improve weather forecasts by combining applied mathematics, environmental data, and real-world operational constraints into powerful yet practical decision-support tools.

We operate at the intersection of scientific research, optimisation, and production-grade software systems.

Job Description:

As an Assistant Data Science Engineer at Marine Weather Intelligence, you will play a crucial role in the development and enhancement of our AI-based maritime routing solutions. Your main mission will consist of optimizing our weather data retrieval API, thus ensuring maximum efficiency and reliability in the provision of critical data. You will also be involved in the complete data processing lifecycle, from design to the production of new features. This internship offers you a unique opportunity to contribute to innovative projects at the intersection of data science and the maritime sector.

Key Responsibilities:

Your primary mission will be to develop a weather routing algorithm for ships.

API Improvement and Maintenance
You will work on optimizing the calls to our weather data retrieval API, a central pillar of our routing services. This includes improving the API’s performance, reliability, and scalability.
Development and Production
You will actively participate in the development of new features, from the design phase to their deployment. This involves coding in Python and not being afraid to use technologies like Docker and Airflow.
Documentation and Testing
An integral part of your role will be to keep the technical documentation up to date and to conduct rigorous tests to ensure the quality and performance of our solutions.

Requirements:

We are looking for a serious and motivated candidate, with a solid background in Python development and a willingness to learn other technologies. The ideal candidate will:

Be able to work autonomously on coding tasks while being open to collaboration within a multidisciplinary team.
Knowledge of Python libraries such as Pandas and Numpy is essential
Experience with Flask would be a plus.
Strong analytical and problem-solving skills.
Familiarity with meteorological data and maritime industry is a plus.
Excellent communication and teamwork skills.
Passion for innovation and a keen interest in maritime applications.
Fluency in English (written and spoken) is required. French is a plus.

What We Offer:

A dynamic and collaborative work environment with a passionate team.
Opportunities for professional growth and development.
Flexible working hours and remote work options with a rule of 3 days work at the office.
The chance to work on groundbreaking projects that make a real impact on maritime safety and efficiency.

How to Apply:

If you are excited about the opportunity to work at the intersection of data science and maritime technology, we would love to hear from you.

WEATHER ANALYST

Job Title: Junior Weather Analyst / Weather Router

Company: Marine Weather Intelligence

Location: Morbihan, France (Hybrid/Remote)

About Marine Weather Intelligence:

Marine Weather Intelligence is a cutting-edge Deep Tech start-up founded in 2023 and based in Morbihan, France. We specialize in marine weather solutions, leveraging artificial intelligence to enhance marine routing and forecasting. Our innovative approach positions us at the forefront of the maritime industry, providing advanced solutions to our clients. Since our founding, we have grown to a team of 12 dedicated professionals. As we continue to expand, we are seeking a motivated Junior Weather Analyst / Weather Router to join our team and contribute to our mission.

Position Overview:

As a Junior Weather Analyst / Weather Router, you will play a vital role in both the operational and developmental aspects of Marine Weather Intelligence. This position is ideal for someone with a strong background in meteorology or oceanography, combined with technical skills in Python and a keen interest in artificial intelligence. You will be responsible for performing detailed weather analysis and routing for various types of vessels, as well as contributing to the ongoing development of our cutting-edge marine weather tools.

Key Responsibilities:

Weather Analysis & Routing:
- Perform comprehensive weather analysis and routing for all types of vessels, ensuring safe and efficient maritime operations.
- Monitor and interpret meteorological and oceanographic data to provide accurate and timely advice to clients.
- Utilize Marine Weather Intelligence’s AI-powered tools to enhance routing accuracy and optimize voyage planning.
Tool Development & Innovation:
- Collaborate with the development team to improve and expand Marine Weather Intelligence’s suite of marine weather tools.
- Provide feedback and insights based on operational experience to refine and enhance the AI models used in weather forecasting and routing.
- Assist in the integration of new data sources and algorithms to improve tool performance.

Qualifications:

Educational Background: A degree in meteorology, oceanography, or a related field.
Technical Skills: Proficiency in Python is essential. Familiarity with artificial intelligence and machine learning concepts is a strong plus.
Experience: Some experience in weather analysis, routing, or a related field is preferred. Experience with AI applications in weather or marine industries would be advantageous.
Language Skills: Fluency in English (written and spoken) is required. Basic French is a plus.
Analytical Skills: Strong analytical and problem-solving skills with attention to detail.
Communication: Excellent communication skills, with the ability to convey complex information clearly and concisely to a diverse audience.

Working Conditions:

Full-time position with flexibility for hybrid work (remote work with occasional in-person meetings in Morbihan, France).
Competitive salary and benefits, commensurate with experience.
Opportunities for professional development and growth within a rapidly expanding Deep Tech company.

Application Process:

Interested in joining the adventure ? should submit their resume, a cover letter (optional) outlining their qualifications and interest in the role, and any relevant references.

Marine Weather Intelligence is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Join us at MWI and help us navigate the future of maritime intelligence!