Last updated: 2025-05-22

43 Backend Engineer jobs in Paris.

Hiring now: Software Engr @ Fabulous, Sr Software Engr @ Blockchain, Software Engr Core Prod @ Warner Mus, Backend Engr Machine Lear @ Gorgias, Sr Backend Engr Python @ Voodoo, Sr Software Engr Alerting @ Datadog, Backend Software Engr @ Pigment, Software Engr @ Dataiku, Backend Dev @ Veepee, Backend Engr @ Qonto.Explore more at at kaamvaam.com

🔥 Skills

Python (12) AWS (9) APIs (8) distributed systems (7) software engineer (6) Kafka (6) Java (6) Go (5) Kubernetes (5) PostgreSQL (4)

📍 Locations

Paris (42) Issy-les-Moulineaux (1)
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Fabulous

Software Engineer Paris
Skills & Focus: node.js, eslint, unit testing, e2e tests, API development, object-oriented programming, microservice architecture, Google Cloud, scaling architectures, user experience
About the Company: An award-winning health, wellness, & coaching company that creates apps which fall in the top ten internationally. Our science-based approach sits squarely in …
Experience: Strong coding skills with Node.js, experience with developing, releasing, and maintaining modern API layer, and experience with object-oriented languages (preferred Kotlin).
Type: Full-time
Benefits: Professionally nourishing environment, flexible and fully remote, team challenges and events on Slack, minimal meetings…

Blockchain

Senior Software Engineer Paris
Skills & Focus: low latency, scalable trading services, Order Management System (OMS), high-frequency trading, multithreading, network programming, performance benchmarking, testing processes, trading systems architecture, high-throughput low-latency systems
About the Company: Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain …
Experience: Extensive experience in C++ and/or Rust; Experience with Python and SQL; Experience in trading systems architecture.
Salary: Full-time salary based on experience
Type: Full-time
Benefits: Hybrid model, Work from Anywhere Policy, ClassPass, Budgets for learning & professional development, Unlimited vacation…

Warner Music

Software Engineer - Core Product Paris
Skills & Focus: Software Development, APIs, Data Enrichment, Content Ingestion, Technical Support, Code Quality, Back Office Development, Deployment, Monitoring, Collaboration with Product Managers
About the Company: The Industry team builds strong relationships with rights owners like Warner Music, Sony Music, Universal Music or Believe, responsible for making content avai…
Experience: 3+ years in software development
Type: Full-time
Benefits: Health insurance, 401(k), flexible working hours

Gorgias

Back-End Engineer - Machine Learning Team Paris
Skills & Focus: Machine Learning, APIs, Back-End Services, Data Pipelines, Python, TensorFlow, AWS, Distributed Systems, NLP, Generative Agents
About the Company: Gorgias is the conversational AI platform for ecommerce that drives sales and resolves support inquiries. Trusted by over 15,000 ecommerce brands, Gorgias supp…
Experience: Strong experience as a Back-End Engineer, deploying machine learning models in production environments.
Salary: Competitive salary & equity (90th percentile worldwide)
Type: Full-time
Benefits: 5-week vacation, 2 weeks RTT, paid sick leave, paid parental leave (16 weeks), MacBook Pro, personal credit card for lu…

Voodoo

Senior Backend Engineer (Python) Paris
Skills & Focus: Senior Backend Engineer, Python, development, Blitz, real-money gaming, mobile games, tournaments, cash prizes, gaming platform, user engagement
About the Company: Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. With 800 employees, 7 billion downloads, and over 200 millio…

Datadog

Senior Software Engineer - Alerting Paris
Skills & Focus: software engineer, alerting, debug, architect, distributed systems, Elasticsearch, Cassandra, Kafka, Go, observability
About the Company: Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …
Benefits: New hire stock equity (RSUs) and employee stock purchase plan (ESPP), Continuous professional development, product trai…

Pigment

Backend Software Engineer Paris
Skills & Focus: backend software engineer, Enterprise Performance Management (EPM), database optimization, distributed systems, C#, Java, C++, Golang, Rust, Python
About the Company: Pigment has become one of the fastest-growing SaaS companies in the world today. Our product, a highly efficient Enterprise Performance Management (EPM) platfo…
Experience: More than knowledge of a specific language or framework; experiences as a software engineer working on a product in production.
Type: Full-time

Dataiku

Software Engineer Paris
Skills & Focus: Software Engineer, AI, Cloud, Data Science, Java, Python, Flask, VueJS, Distributed Systems, User Experience
About the Company: At Dataiku, we're not just adapting to the AI revolution, we're leading it. Since our beginning in Paris in 2013, we've been pioneering the future of AI with a…
Experience: Significant experience in one or more languages (Java, Python, Scala, Node.JS, or others)
Type: Full-time

Datadog

Engineering Manager I - Network Device Monitoring Paris
Skills & Focus: engineering manager, network monitoring, product management, team building, back-end systems, data ingestion, Kubernetes, Kafka, Elasticsearch, Postgres
About the Company: Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …
Benefits: New hire stock equity (RSUs) and employee stock purchase plan (ESPP), continuous professional development, product trai…
Staff Software Engineer - Alerting Platform Paris
Skills & Focus: alerting, platform, reliability, scalability, design, distributed systems, real-time systems, performance, architecture, engineering
About the Company: Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …
Experience: 2+ years in a platform or infrastructure-focused environment
Benefits: New hire stock equity (RSUs), employee stock purchase plan (ESPP), continuous professional development, inclusivity pro…

Gorgias

Software Engineer Paris
Skills & Focus: conversational AI, ecommerce, Python, SaaS tools, scalable, production environments, APIs, GitHub, DevOps, customer support
About the Company: Gorgias is the conversational AI platform for ecommerce that drives sales and resolves support inquiries. Trusted by over 15,000 ecommerce brands, Gorgias supp…
Experience: Experience with Python, Ruby on Rails, Node.js, Java, or C# in building SaaS tools and APIs; Familiarity with shipping applications in production environments; Experience working collaboratively using versioning tools such as GitHub or GitLab; Experience building scalable, fault-tolerant web applications optimized for heavy traffic.
Salary: €86k annual gross
Type: Permanent, full time
Benefits: 5-week vacation plus 2 weeks RTT, Paid sick leave, 6 weeks full remote/year, Paid parental leave (16 weeks), 50% of pub…

Veepee

Backend Developer Paris
Skills & Focus: .NETCore, .NET6, .NET8, PgSql, MangoDB, RabbitMq, Kafka, Elastic, Kibana, Grafana
About the Company: The vente-privee group has consolidated its various European brands, together made up of 6000 employees, under one unified conglomerate: Veepee. Veepee achieve…
Software Engineer Paris
Skills & Focus: software engineer, Brandsplace Team, Connected Commerce Tribe, Build & Display, sales, digital commerce, European brands, portfolio management, team collaboration, innovation
About the Company: Veepee is a leading player in the European digital commerce landscape, with a consolidated portfolio of brands including Privalia, vente-exclusive, Designer & …

Qonto

Backend Engineer Paris
Skills & Focus: Backend Engineer, APIs, high-quality code, Domain-Driven Design, Go, Ruby, Kubernetes, PostgreSQL, event-driven architecture, cross-functional teams
About the Company: Founded in July 2017, Qonto has rapidly gained trust, serving over 500,000 customers with a highly innovative product and a strong team of over 1,600 professio…
Experience: Strong experience as a software engineer, exposure to architectural patterns of large, high-scale web applications
Type: Full-time

Winamax

Développeur Back-End Node.Js Paris
Skills & Focus: Node.js, Back-End Development, Payment Integration, Fraud Prevention, Code Maintenance, Performance Optimization, Technical Compliance, Data Security, Agile Development, API Development
About the Company: Winamax is an innovative gaming platform that offers a powerful gaming engine, real-time processing through a scalable distributed architecture, and a focus on…

Pigment

Software Engineer - Core Infrastructure Paris
Skills & Focus: backend engineering, scalable solutions, performance optimization, core infrastructure, technical expertise, system architecture, collaboration, problem-solving, modeling capabilities, organization
About the Company: Pigment is a SaaS company specializing in enterprise performance management (EPM) platforms, helping companies achieve their financial goals across various ind…
Experience: Proven experience in backend software engineering, designing object-oriented software, and delivering production-ready systems.
Type: Full-time
Benefits: Generous time off, parental leave policies, annual company offsite, high-end equipment, comprehensive healthcare.

Aircall

Senior BE & AI Engineer Paris
Skills & Focus: Senior BE Engineer, AI Engineer, design, development, deployment, business-critical features, customer value, back-end stacks, AWS, CRM integration
About the Company: Aircall creates technology that fuels accessible, transparent and collaborative communication to empower its base of 20,000+ customers to make authentic, human…
Experience: Previous experience implementing AI features is a must.
Type: Full-time

Datadog

Senior Software Engineer - Distributed Systems Paris
Skills & Focus: distributed systems, fault-tolerant, horizontally scalable, multi-tenant, Kafka, Redis, Cassandra, Elasticsearch, Go, Java
About the Company: Datadog is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve complexity in t…
Experience: significant backend programming experience in one or more languages (Go, Java, Rust, C++)
Benefits: New hire stock equity (RSUs), employee stock purchase plan (ESPP), continuous professional development, product trainin…

Pennylane

Software Engineer Paris
Skills & Focus: Software Engineer, Ruby on Rails, agile environment, product-led, software architecture, tech onboarding, customer support, cross teams initiatives, financial Operating System, small and medium-sized enterprises
About the Company: Pennylane is one of the fastest growing Fintechs in France (and soon to be in Europe!) focusing on accounting and financial software for small businesses.
Experience: At least 4 years of experience with Ruby on Rails
Salary: Competitive compensation package
Type: Full-time
Benefits: Remote work flexibility, company shares, home workspace budget, fitness access, language courses, latest tech equipment…

Voodoo

WeMoms App Developer Paris
About the Company: Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion download…

H Company

Senior Back-end Engineer Paris
Skills & Focus: Python, backend development, REST, gRPC, APIs, cloud computing, AWS, databases, message queueing, monitoring
About the Company: H exists to push the boundaries of superintelligence with agentic AI. By automating complex, multi-step tasks typically performed by humans, AI agents will hel…
Experience: 4+ years of experience in Python backend development
Type: Full time
Benefits: Enjoy a competitive salary, unlock opportunities for professional growth, continuous learning, and career development.

Kiln

Senior Backend Engineer Paris
Skills & Focus: Backend Engineering, Golang, API, Blockchain, Smart Contracts, Cryptocurrency, Web3, AWS, Kubernetes, Data Processing
About the Company: Kiln is the leading enterprise-grade rewards platform that enables institutional customers to stake assets and integrate staking & DeFi functionality into thei…
Experience: +6 years as Software Engineer, +3 years Golang experience
Salary: Starting from 80k€ + equity
Type: Full-time
Benefits: Equity share options, competitive salary, flexible holiday, remote working, personal development budget, overseas tech …

Veepee

Backend Developer Paris
Skills & Focus: Backend Developer, CRM Brands, Supplier relationship, Business margin, .NETCore, RabbitMQ, Kafka, Kubernetes, Docker, Salesforce
About the Company: The vente-privee group has consolidated its various European brands, together made up of 6000 employees, under one unified conglomerate: Veepee. Present in 14 …

Algolia

Software Engineer Paris
Skills & Focus: software engineer, distributed systems, cloud-based architecture, NeuralSearch, high traffic, automated testing, engineering best practices, remote team, library design, problem-solving
About the Company: Algolia was built to help users deliver an intuitive search-as-you-type experience on their websites and mobile apps. We provide a search API used by thousands…
Experience: Experience designing and operating distributed systems in production; Experience working with large datasets and high traffic; Rigor in high code quality, automated testing, and other engineering best practices.
Type: Full-time
Benefits: Flexible workplace strategy; high-trust environment; autonomy in work location.

Voodoo

Senior Backend Engineer Paris
Skills & Focus: backend, engineer, mobile apps, gaming, scaling, Wizz, teen social app, collaboration, high-performing team, dynamic growth
About the Company: Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion download…
Experience: Senior level experience in backend engineering
Type: Full-time

Bereal

Software Engineer Paris
Skills & Focus: social media, authenticity, unfiltered moments, infrastructure upgrade, software engineering, high autonomy, product decisions, dynamic team, features deployment, user engagement
About the Company: At BeReal, we are dedicated to authenticity in social media. By encouraging users to share unfiltered moments, we foster genuine connections and celebrate real…
Experience: Experience in software development preferred
Type: Full-time
Benefits: Flexible work environment, opportunities for growth, dynamic team culture

Veepee

Software Engineer Paris
Skills & Focus: software engineer, Brandsplace, Connected Commerce, digital commerce, engineering, development, sales, team, brands, building
About the Company: The vente-privee group has consolidated its various European brands, together made up of 6000 employees, under one unified conglomerate: Veepee. With Privalia,…

Vestiaire Collective

Senior Software Engineer - Engagement Squad Paris
Skills & Focus: PHP, Go, Microservices, APIs, System Design, Event-driven Architecture, Personalization, High-volume Traffic, Technical Leadership, Data Flow
About the Company: Vestiaire Collective is the leading global online marketplace for desirable pre-loved fashion. Our mission is to transform the fashion industry for a more sust…
Experience: At least 5 years of experience in your primary language.
Type: Permanent contract
Benefits: Competitive compensation and benefits package, learning and growth opportunities, volunteer days.

Aircall

Senior Software Engineer Paris
Skills & Focus: Software Engineer, Ruby, Typescript, AWS, Operational excellence, Metrics, Observability, Best practices, Mentoring, CRM integration
About the Company: Aircall is a place where voices are valued. We create technology that fuels accessible, transparent and collaborative communication to empower our base of 20,0…
Experience: 5+ years in software development
Type: Full-time

Mistral Ai

Software Engineer Paris
Skills & Focus: software engineer, search capabilities, information retrieval, distributed systems, back-end development, Python, Go, C++, infrastructure management, cloud-native
About the Company: At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamles…
Experience: 10+ years of relevant professional work experience
Salary: competitive salary and equity structure
Type: Full-time
Benefits: full health insurance for you and your family, daily lunch vouchers, monthly contribution to a Gympass subscription, mo…

Avivgroup

Senior Software Engineer Back-end (Python, AWS) Paris
Skills & Focus: Python, AWS, APIs, Data pipelines, Infrastructure as Code, Terraform, CI/CD, Datadog, SQL, Data orchestration
Engineering Manager (F/H/X) Paris
Skills & Focus: team management, software engineering, back-end, authentication, cloud, AWS, serverless, Terraform, automation, DevOps

Cryptio

Intermediate Software Engineer Paris
Skills & Focus: Typescript, APIs, OAuth, JWT, data structures, integrations, data accuracy, real-time data syncing, collaboration, financial regulations
About the Company: Cryptio is an enterprise-grade crypto back-office platform. Our software helps financial institutions, corporates and crypto-native companies navigate the frag…
Experience: 3+ years of experience writing software
Type: Full-time
Benefits: 25 Days Paid Holiday + Bank Holidays + Your Birthday Off; Earn an extra day of annual leave for every year you're at Cr…

Odaseva

Senior Backend Developer Paris
Skills & Focus: Backend Developer, data management, customer requirements, deploying solutions, best technical practices, data security, operational integrity, data regulations, Backup and Restore, Archiving
About the Company: Since 2012 Odaseva has helped global enterprises protect and secure their most valuable asset: data. Our platform and tools empower data-driven organizations t…
Type: Full-time

Keyrock

Head of Engineering - Trading Systems Paris
Skills & Focus: engineering team, trading systems, market making, high-performance, scalable systems, Rust, AWS, collaboration, DevOps, cryptocurrency
About the Company: Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock…
Experience: Proven experience building and maintaining high-concurrency, high-performance, low-latency trading systems.
Type: Full time
Benefits: A competitive salary package, with various benefits depending on the method of engagement (employee or freelancer). Aut…

Kraken Technologies

Software Engineer – Backend Engineering Paris
Skills & Focus: Python, Django, REST, GraphQL, AWS, React, Redux, SASS, Kanban, Continuous Deployment
About the Company: Kraken Technologies is a company within Octopus Energy Group focused on creating a smart, sustainable energy system by optimising renewable generation and enab…
Type: Full-time

Back Market

Senior Backend Engineer Paris
Skills & Focus: Backend Engineer, Python, FastAPI, SQLAlchemy, Golang, PostgreSQL, Kubernetes, Agile, Microservices, Security
About the Company: Back Market is the world’s leading refurbished electronics marketplace with a team of 650 people, powering operations in 18 countries. Our mission is to empowe…
Experience: Senior Level
Type: Full-time

Algolia

Software Engineer - Optimization Team Paris
Skills & Focus: optimization systems, data structures, algorithms, software design, automated testing, engineering best practices, cross-functional teams, distributed backend systems, SQL, A/B testing
About the Company: Algolia was built to help users deliver an intuitive search-as-you-type experience on their websites and mobile apps. We provide a search API used by thousands…
Experience: Demonstrated experience working with complex, distributed backend systems and large-scale codebases.
Type: Full-time
Benefits: Flexible workplace strategy, remote work options, high-trust environment.

Mistral Ai

Software Engineer Paris
Skills & Focus: software engineer, distributed systems, performance optimization, API, micro-services, infrastructure management, cloud ecosystems, backend software development, Docker, CI/CD
About the Company: At Mistral AI, our mission is to make AI ubiquitous and open. We are passionate about bridging the gap between technology and businesses of all sizes. We are a…
Experience: 8+ years of relevant professional work experience
Salary: competitive salary and equity structure
Type: Full-time
Benefits: Full health insurance for you and your family, daily lunch vouchers, monthly contribution to a Gympass subscription, mo…

Payplug

Lead Developer Paris
Skills & Focus: Python, Java, Microservices, Relational Databases, PostgreSQL, Technical Leadership, Agile Methodology, Code Reviews, Team Collaboration, Backend Development
About the Company: Payplug est la solution de paiement française pensée pour les commerçants, e-commerçants de toutes tailles et fintechs. Avec notre plateforme technologique de …
Experience: 5 years of experience as a developer with successful experience as a tech lead
Type: Full-time
Benefits: Choix de la machine (PC Linux ou Mac) et développement avec tes outils (OS, éditeur de code, etc.). Organisation de tra…
Lead Developer - Merchant Care Paris
Skills & Focus: Python, Java, Microservices, PostgreSQL, Agile, RESTful architecture, Tech mentorship, Application deployment, Best practices, Team collaboration
About the Company: Payplug est la solution de paiement française pensée pour les commerçants, e-commerçants de toutes tailles et fintechs. Avec une équipe de 350 passionnés, Payp…
Experience: 5 years experience as a developer with successful experience as a tech lead
Type: Full-time
Benefits: Hybrid work organization, choice of machine (PC Linux or Mac), 25 vacation days/year, up to 10 RTT/year, health insuran…

Blockchain.Com

Senior Back-End Engineer Paris
Skills & Focus: Kotlin, Solidity, Blockchain, Back-End Engineering, DeFi, Smart Contracts, EVM, Docker, Kafka, MySQL
About the Company: Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the pass…
Experience: Solid experience in Typescript, Solidity; experience working with Blockchain technologies (EVM or non-EVM chains, and defi protocols)
Salary: Competitive full-time salary based on experience and meaningful equity
Type: Full-time
Benefits: Awesome office location, Work from Anywhere policy, Unlimited vacation policy, Performance-based bonuses, Apple equipme…

Accor Tech & Digital

Senior Backend Java/API Developer Issy-les-Moulineaux
Skills & Focus: Java, API, Backend Development, Software Systems, Unit Testing, Integration Tests, Quality Assurance, Performance Optimization, Documentation, Technical Support
About the Company: Accor Tech & Digital is the innovation and technological transformation lab of the world leader in hospitality, providing personalized, memorable, and sustaina…