Backend Engineer

il y a 7 jours

Boulevard Poissonnière Paris France Batvoice AI Temps plein

BatvoiceAI is looking for a Confirmed Backend Engineer to increase our operational capacity. We have ambitious ShapeUp projects coming up in the line and would like to be able to tackle more of them per cycle, without compromising on our core Infrastructure concerns and investigation. As such, we're looking for someone that's going to be comfortable with code (as you will be doing more Dev than Ops), but doesn't shy away from Ops work either.

You will collaborate with:

  • The rest of the Application team (Backend focus). You will be leading projects that you have the competencies for, and participating in projects where you have some bring-up to do (so that eventually you can lead those as well).

  • The Operations team, who you will be helping out with investigative (BUILD phase) and maintenance (RUN phase) Infrastructure tasks, but you won't be leading entire projects in this space (unless you want to).

  • The Data team, who you will solicit when interacting with our data processing and machine learning components.

Put differently, this job is made for you if you like to think about programs from many angles: functional, design, implementation, deployment, and infrastructure. You don't have to be competent in all of them, but you need to be interested. This is the place for you if you want to understand how the whole thing works.

The Challenges

  • Mutualisation : up to now, the solution has been tweaked for each individual client, leading to sprawl. Now that we have a solid footing, we want to start unifying bits and pieces. Away from a monolith that swaps out entire parts depending on who the client is and towards a system that'll work for everyone and won't incur different maintenance cost for each. For example, instead of searching text using Postgres' FTS and indexing based on trigrams, we'd like to move to ElasticSearch, which would run faster and serve everyone's needs better, without the need for per-client transforms. You'll participate in figuring out what the best solution is (on both the Code and the Infra sides) in each case and then participate in implementing it.

  • Modernization : while we were rushing to get established, there wasn't much time for upkeep, while the world kept moving on. We're now stuck on an old version of python, an old version of django, and can't take advantage of new developments in the field. We want to move to using uv, dividing the monolith into workspaces rather than one big codebase, update to a newer python (we'd love to get to 3.14 to get both the new JIT and the free-threaded interpreter), and more. We don't just want the application to work, and we don't just want the application to work well : we want it to be pleasant to work on too. We love engineering, and hopefully, if you apply, you do as well.

The Environment

  • We are a fully remote company, though we do make physical offices available if you prefer those. Regardless of this, you must have the right to work in France, and to live in Europe or North Africa.

  • We do not measure seniority by years of experience, but in terms of results and ability, leading to rapid advancement opportunities.

  • We offer comprehensive healthcare coverage through Alan for you and your family (50% participation).

  • From their second year onward, team members who demonstrate strong commitment and motivation may be granted stock options, reflecting their contribution to BatvoiceAI's long-term success and journey.

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