Job details

Senior Full Stack Developer (Python + React)

  • Java
  • Python
  • Redux
  • Cypress
  • TypeScript
  • Jest

Posted: 1 month ago

About Pathway

Deeptech start-up, founded in March 2020.

  • Our primary developer offering is an ultra-performant Data Processing Framework (unified streaming + batch) with a Python API, distributed Rust engine, and capabilities for data source integration & transformation at scale (Kafka, S3, databases/CDC,...).
  • The single-machine version is provided on a free-to-use license (`pip install pathway`).
  • Major data use cases are around event-stream data (including real-world data such as IoT), and graph data that changes over time.
  • Our enterprise offering is currently used by leaders of the logistics industry, such as DB Schenker or La Poste, and tested across multiple industries. Pathway has been featured in Gartner's market guide for Event Stream Processing.
  • Learn more at and

Pathway is VC-funded, with amazing BAs from the AI space and industry. We have operations across Europe and in the US. We are headquartered in Paris, with significant support from the French ecosystem (BPI, Agoranov, WILCO,...).

The Team

Pathway is built by and for overachievers. Its co-founders and employees have worked in the best AI labs in the world (Microsoft Research, Google Brain, ETH Zurich), worked at Google, and graduated from top universities (Polytechnique, ENSAE, Sciences Po, HEC Paris, PhD obtained at the age of 20, etc…). Pathway’s CTO is a co-author with Goeff Hinton and Yoshua Bengio. The management team also includes the co-founder of (1M+ developer users) and (13.5M+ users) and experienced growth leader who has scaled companies with multiple exits.

The Opportunity

We are looking for a Senior Fullstack Developer to help us with developing the frontend & backend of our business intelligence application. The primary focus is on interconnecting, filtering and displaying large amounts of data, including charts and map data. The user persona addressed is a technical or non-technical corporate user, almost exclusively Desktop.

You Will

  • collaborate closely with the data science team working to best present their findings to our users
  • design web components in React, related to charts, dashboards, data visualization
  • work with an involved data model (a lot of JSON, a lot of Redux, a lot of data flowing in real-time)
  • interact very, very closely with SQL servers and Python execution backends.
  • contribute to our codebase, participating in team-centric code development (pair programming, code reviews)
  • use best practices of CI/CD to deploy your code

You Are

  • Knowledgeable about
    • Python
    • SQL and how SQL servers work
    • Javascript/Typescript
    • React + Redux
    • HTML + CSS
    • Redis
    • enterprise-level user authentication workflows
    • designing web application architectures
    • web testing frameworks: jest/jasmine/cypress or similar
    • GIT
  • Willing to learn and grow in the job
  • Have good aesthetic sense and visual judgment
  • Concerned about the experience delivered to your users
  • Respectful of others
  • Fluent in English

Bonus Points

  • Formal or informal UX experience
  • Familiarity with SQL data visualization tools, such as Redash or Superset.
  • Data Science experience

Why You Should Apply

  • Intellectually stimulating work environment. Be a pioneer: you get to work with a new type of data processing framework.
  • Work in one of the hottest data/AI startups in France, with exciting career prospects
  • Responsibilities and ability to make significant contribution to the company’ success
  • Inclusive workplace culture
  • Type of contract: Permanent employment contract
  • Preferable joining date: February 2023
  • Compensation: annual salary of €50K-€75K + benefits
  • Location: Remote work from home. Possibility to work or meet with other team members in one of our offices:
    • Paris – Agoranov (where Doctolib, Alan, and Criteo were born) near Saint-Placide Metro (75006).
    • Paris Area – Drahi X-Novation Center, Ecole Polytechnique, Palaiseau.
    • Wroclaw (University area).

Permanent residence will be required in France or Poland, exceptional candidates will be considered anywhere in the EU.Contact: