Emplois de senior backend software engineer python – Paris

About Alma At Alma, we believe sustainable commerce depends on fair, well-balanced trade. Because finance plays a pivotal role in business, our mission is to put it back in its rightful place - serving merchants and consumers. Our installment and deferred payment solutions help merchants boost sales by 20% or more, increase customer loyalty, and deliver a...

Synopsys in France is building simulation software for healthcare and life sciences. Design and implement product features in C++ and Python, including numerical routines, data processing pipelines, algorithms, and user-facing components for healthcare simulations.You will translate requirements into testable stories, write unit and integration tests, build...

Notre client, une organisation innovante spécialisée dans le traitement de données spatiales, recherche un expert pour transformer ses processus de contrôle qualité. Le projet consiste à fiabiliser et automatiser une plateforme technologique critique traitant des volumes massifs de données scientifiques au sein d'un environnement cloud...

Prelude, based in Paris, is redefining authentication and onboarding with a modern Go-based stack. We serve fast-growing European clients while expanding into the US, building scalable services that block fraud and deliver strong conversion.You will design and scale distributed systems, contribute to Next.js frontend work, and evolve the Prelude API to stay...

Spendesk is seeking a Senior Software Engineer to join the Wallet squad within the Payments group. You will own backend services for wallet accounts, deposits, balances, and payment flows, while shaping the technical direction of the squad.You will work across the full feature lifecycle, collaborate with Product and Design, and contribute to scalable,...

Linxea recherche un Développeur Backend .NET Senior à Paris pour rejoindre le Lead Technique et la squad. Vous concevrez, développerez et maintiendrez les composants backend afin de livrer des solutions de qualité.Vous avez 4 à 5 ans d’expérience en développement .NET, avec C#, ASP.NET et SQL. Une connaissance d’OAuth 2.0 et d’un Cloud Provider...

BlaBlaCar, the world’s leading community-based travel app, is seeking a Confirmed Backend Engineer to join the Payment Squad in Paris. You will contribute to a reliable, scalable payment platform, handling the full lifecycle from integration of new methods to fraud and compliance, collaborating with frontend and product teams.You’ll work with a team of...

Extia recherche un Expert Backend Java pour intervenir sur une architecture moderne reposant sur Java Spring Boot, MongoDB Atlas et Apache Kafka Confluent. Vous contribuerez à concevoir et déployer des flux d'intégration robustes et évolutifs, tout en garantissant la qualité et la sécurité des données.Au sein de la Direction des SI, vous collaborerez...

A leading digital finance firm in Paris is seeking a Senior Backend Web Developer to lead and own the client-facing platform. This role requires 5+ years of backend engineering experience, especially in fintech or crypto sectors, and strong production experience in Rust. Candidates will deliver secure APIs, mentor a small team, and collaborate with product...

Une entreprise de conseil en Data et IA recherche un Software Engineer Back end Java à Paris. Vous serez chargé de concevoir et développer des solutions en Java tout en garantissant la qualité et la performance. Vous participerez aux déploiements et résoudrez les incidents en production. Le candidat idéal a 5 ans d'expérience en développement,...

STEP UP est une société d'ingénierie experte en pilotage de projets industriels et informatiques (+ 250 collaborateurs sur 11 agences en France), plaçant le potentiel humain comme 1er vecteur d'excellence et de performance en entreprise.Oubliez les sociétés d'ingénierie qui ne valorisent que vos seules compétences, chez STEP UP, nous visons...

Hi, we’re Back Market.We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.Yep, you read that right. Turns out refurbished tech is way better for the...

Tes missions : Développer et maintenir des API performantes en Python (FastAPI, SQLAlchemy). Modéliser et optimiser les bases PostgreSQL. Contribuer à l’architecture et aux choix techniques. Mettre en place et maintenir des tests automatisés. Collaborer avec les équipes métiers pour traduire les besoins en logique backend. Assurer le monitoring,...

Mozilla is seeking a Senior Software Engineer for the Add-ons ecosystem (AMO). You will deliver major features, improve pipelines, and uphold engineering standards to support millions of extensions worldwide.You will collaborate with engineers, reviewers, and leaders to modernize DevHub, Reviewer tools, and automated moderation systems, while building robust...

The Company Founded in 2022, Filigran is a global cybersecurity company on a mission to empower defense teams to be proactive through open-source solutions that uncover threats and drive action. Filigran stands out in the cybersecurity ecosystem through its open-source, AI-powered and threat-informed approach to Continuous Threat Exposure Management (CTEM)....

Filigran is seeking a Senior Software Engineer who drives AI-native engineering practices in a remote-first, global team. You will define strategy, run experiments, and establish standards for AI-generated code while collaborating with product engineers to embed AI into daily workflows.You will lead with hands-on execution, share learnings through talks and...

Dans le cadre d’un projet stratégique au sein d’un acteur majeur du secteur des paiements, nous recherchons un Senior Python Engineer spécialisé en Intelligence Artificielle Générative (LLM). Vous interviendrez au sein d’une équipe dédiée au développement d’une plateforme IA générative en environnement on-premise. Le rôle est fortement...

Algolia is the retrieval intelligence layer that turns intent into trusted, decision-grade outcomes. Powering more than 1.7 trillion queries a year for over 18,000 customers with millisecond latency and 99.999% reliability, we are the recognized leader for Search and Product Discovery by top industry analyst firms. The Algolia platform turns a company's...

Software EngineerLocation: Paris HQDepartment: Tech & ProductRequired Experience: > 2 yearsStatus: PublishedWe are building a plug‑and‑play checkout experience that combines high-performance checkout with marketing triggers, enabling merchants to increase revenues and margins by 10‑15%. We serve over 500 merchants in France and are expanding to the...

À propos de l’équipe ✨Constituée aujourd’hui d'environ 70 talents tech (Engineering managers, Développeurs Front-end, Back-end et Fullstack, SRE, Architect cloud, QA Engineers, Salesforce), l'équipe à pour mission de :Développer des features / produits innovant·esContinuer de mettre en place les meilleures pratiques de développementAssurer la...