ruby

Sweep is seeking a Senior Fullstack Engineer (freelance) to contribute to our Sustainability Data Intelligence Platform. You'll own features end-to-end, from database design and backend services to a React/TypeScript UI, shaping scalable data pipelines that help enterprises track greenhouse gas emissions and drive decarbonization.Requires 5+ years shipping...

A fast-growing technology company based in Marseille seeks an Engineering Manager to lead a team building next-gen tools connecting brands and influencers. Responsibilities include guiding technical vision, overseeing product roadmaps, and ensuring software quality. Ideal candidates have over 10 years in software engineering, with strong experience in Ruby...

Brite Sweden in Paris is seeking a Senior Backend Engineer to design and build scalable services using Ruby, Python, Node.js/TypeScript, or Golang. This pivotal role involves leading the transformation of monolithic architecture, enhancing system performance, and implementing AI features. Candidates should have experience with high-scale systems, be fluent...

The company is seeking a Senior Consulting Engineer based remotely in Paris to work with customers across industries, from banks to startups. You will tackle complex problems, contribute to architectures, deployments, and operations, and travel up to 15% to client sites.The role requires 10+ years in software development/consulting, proficiency in Java, C#,...

A leading cybersecurity solutions provider in France is seeking an Internal Consulting Systems Engineer to support and automate pre-sales department workflows. The role combines cybersecurity expertise with systems engineering and software development. Responsibilities include designing scalable platforms, and enhancing internal tools using Python and Ruby...

Ruby Labs is hiring a Database Engineer to own, scale, and evolve our data infrastructure for a high-volume payments environment. You will design schemas for large transactional domains, implement partitioning and indexing, and optimize queries to handle millions of records monthly.The role collaborates with backend and product teams to support transactional...

Ruby Labs is building a category-defining document management platform and seeks a Senior CRO Manager who owns end-to-end optimization across the full user journey. You will dissect funnels, generate hypotheses, create high-fidelity wireframes, and work directly with engineers to ship experiments rapidly.In this role you’ll push for fast learning with...

About LagoLago is the open-source platform that helps engineers build better monetization systems. They enable software teams to build customizable and scalable usage metering, subscription management, billing, invoicing, and payment systems. Lago is the leader of their category on Github (5k+ stars), won "Product of the month" on ProductHunt, and is used by...

Dans le cadre de son fort développement, Enlaps recherche un Développeur BackEnd confirmé. Au sein de l’équipe développement, le/la développeur/euse Backend travaille en étroite collaboration avec les équipes de développement Frontend, l’équipe devops et les ingénieurs R&D. Il/elle peut également interagir avec les équipes de conception et...

Le Wagon in Paris (11e arrondissement) is seeking a Senior Software Engineer to join its Engineering team. You will work with senior engineers across Paris, Tours, and Madrid to build tools and features using Ruby on Rails, Redis, PostgreSQL, and modern CI/CD practices.You will own features end-to-end, lead deployments, mentor colleagues, and help shape the...

JobTeaser is scaling a platform used by millions across Europe, balancing a Rails monolith with distributed services. We seek a Backend Engineer who makes pragmatic technical decisions with real product impact, joining an agile squad with autonomy over the JobTeaser product and a team of engineers, PM, and designer.You will help maintain a modern stack...

GetMint is looking for a Backend Engineer to design and maintain new applications, ensuring high-quality code and robust services for our customers.You will work closely within cross-functional teams to develop innovative financial solutions. Ideal candidates should have solid skills in Go and Ruby, along with good communication skills.A competitive salary...

Frontend : React, Typescript, React Native (mobile), Jest, Playwright, Maestro Backend : Ruby on Rails, Sidekiq, Rspec, Cucumber En tant que Staff chez Matera, tu contribues à définir la vision technique backend et à l'appliquer : tu fixes les standards, tu améliores la DevX, tu initié les chantiers structurants pour qu’on construise un produit de...

GoodsID recherche un stagiaire Développement Back End pour 4 à 6 mois à Paris 2e, sous la supervision du CTO. Vous contribuerez au développement de notre plateforme blockchain dédiée à la traçabilité des Biens de valeur et au sein d’une jeune startup.Le poste exige des connaissances en Haskell, F# et Elm ainsi qu’au moins un framework web (Ruby...

Contexte mission: Automatisation de la validation d'une IHM d'une ligne de production pour un grand acteur du domaine de l'énergie afin de réduire les délais de validation des logiciels, faciliter les campagnes de non-régression, augmenter la couverture fonctionnelle tout en garantissant une meilleure fiabilité. Responsabilités : En s'appuyant sur le...

Agence de production et d’innovation digitales à la pointe des technologies et partenaire privilégié des agences de communication (BETC, Havas, DigitasLbi…) et des grandes marques (Accor, Crédit Agricole…).Vous intégrerez une agence dont les équipes projet sont spécialisées dans le développement d’applications digitales autour des...

Développeur(se) Front End - R&D & IA (H/F) Développeur(se) Front End - R&D & IA (H/F) 31 - Toulouse Offre n° 212WRHGDéveloppeur(se) Front End - R&D & IA (H/F) À propos de ShippingboCréée en 2017, Shippingbo est la solution logistique omnicanale SaaS leader sur son marché. Grâce à un fort market-fit et une proposition de valeur unique, nous...

Description de l'entrepriseMooveo ambitionne de devenir la toolbox de référence des responsables RH et des managers. Nos objectifs : simplifier la remontée d’information, améliorer la visibilité des parcours de carrière et engager les collaborateur.trices dans leurs propres processus RH.Nous proposons à nos clients une interface puissante...

Technical Stack Frontend: React, TypeScript, React Native (mobile), Jest, Playwright, Maestro Backend: Ruby on Rails, Sidekiq, RSpec, Cucumber Data: PostgreSQL, Opensearch, Redis Infrastructure: Kubernetes, Terraform Responsibilities Define and evolve Matera's backend architecture over the long term (modularisation, design system, performance, clean...

About LagoAt Lago, we’re on a mission to make billing simpler, more transparent, and more adaptable for SaaS companies.As the leading open-source billing platform, we empower businesses to build flexible pricing models and scale with confidence.We also raised over $22 million in funding from top tier investors, reflecting strong investor confidence in our...