Top Software Engineer Jobs in Paris

Develop and maintain system-level Go code, model data, and design database schema for cloud infrastructures. Collaborate with a distributed team to ensure code quality.

As a Software Engineer on the data platform team, you'll automate data platform operations, write Python code, and collaborate on solutions within a distributed team.

The role involves delivering features across the CRM platform for distributors, using AI tools, handling fullstack development tasks, and collaborating closely with teams and customers.

Develop, test, integrate, and support robotic controls software for automated lift trucks in an embedded environment. Responsibilities include vehicle control communication, simulation, requirements development, software and electrical architecture, code and design reviews, supplier leadership, manufacturing support, and mentoring entry-level engineers. The role requires C/C++ development, robotics sensors and SLAM experience, embedded control systems, network communications, and MATLAB/Simulink/Stateflow expertise. Occasional travel may be required.

Develop software to enhance consultant productivity, create SaaS products, design architecture for data processing, and assess technologies.

Develop and maintain backend and admin software to operate bare-metal cloud infrastructure. Implement Python services, build React/TypeScript frontends or manage IaC (Terraform/Ansible), optimize deployments, refactor legacy code, and collaborate in a Scrum squad to ship next-generation infrastructure features.

Design and build core IaaS/PaaS components (APIs, backends, worker services), add features, improve test coverage and resilience, write technical documentation, run operational rotations, resolve customer incidents, and collaborate across Product, Design, and Documentation.

Develop and maintain Python backend systems powering hardware update, testing, and inventory; own either React/TypeScript frontends or DevOps/IaC pipelines (Terraform, Ansible, GitLab CI/CD, Docker, Kubernetes, Proxmox); bridge low-level hardware data to web APIs; design and ship infrastructure milestones; optimize and test existing code; participate in code reviews and Scrum ceremonies.

Develop and research world-model-based AI: design and run experiments on self-supervised and video/multimodal models, build data pipelines and evaluations, and create efficient model-based planning and reasoning algorithms using GPU/TPU infrastructure.

Design and scale mission-critical market data services for stocks, options, crypto, and foreign exchange. Responsibilities include architecting backend systems and APIs, maintaining software quality and test coverage, participating in code reviews, and troubleshooting incidents and bugs. The role uses Go and Python with REST, gRPC, WebSockets, SSE, Docker, Kubernetes, Google Cloud, BigTable, Prometheus, Grafana, and ELK.

Designs and builds scalable backend services for transaction matching, offer ingestion, rewards pipelines, APIs, and partner integrations. Owns features through discovery, implementation, testing, rollout, and documentation. Participates in on-call and incident response, improves reliability and observability, mentors engineers, contributes to architecture, and leads cross-functional technical initiatives. The role uses Go, TypeScript, Postgres, MongoDB, AWS, Terraform, Kubernetes, event-driven systems, and AI-assisted development tools.

Build and maintain scalable, reliable agentic AI systems for biomedical research, integrating LLMs, tool-calling, and data platforms. Drive technical decisions, optimize analytical workflows, deploy agents on the data platform, mentor teammates, and participate in on-call rotation to ensure performance, security, and continuous improvement.

As a Software Engineer Intern, you'll work with a team to build applications and infrastructure, engage in product decision-making, and contribute to frontend and backend code development.

Design and build durable, distributed data-streaming infrastructure that decouples process data from Camunda’s live execution engine. Develop customer-facing integrations such as Kafka connectivity, support analytics data consumption at scale, and make architecture decisions around consistency, durability, and storage. Participate in production support and on-call rotations while collaborating with Product, Data Layer, Distributed Systems, QA, SRE, and Support teams. Lead ambiguous, cross-functional engineering initiatives from design through delivery.

Build and maintain Camunda 8 backend data-layer services spanning relational databases and Elasticsearch/OpenSearch. Design scalable storage, query, retention, and streaming systems; improve performance, indexing, and production tooling. Lead engineering initiatives from solution design through delivery, collaborate across teams, provide L3 support, and participate in on-call rotations. Investigate production data issues and contribute to schema evolution, workflow automation, and CI improvements.

Build, launch, monitor, and support scalable software services in an agile build-and-run environment. Develop clean, organized code across the technical stack, contribute to distributed service-oriented architecture, improve system designs, explore impactful technologies, mitigate incidents, and prioritize delivery optimization. Collaborate with squad members, staff engineers, business and operations partners, and international teams while supporting knowledge sharing and strong customer and agent experiences.

As a Staff Platform Engineer at Joko, you will lead platform efforts, ensure infrastructure reliability, enhance developer experience, and optimize costs, focusing on security and scalability while collaborating across teams.

Join the Android team to develop high-quality UI features, enhance platform components, manage system performance, and engage in knowledge sharing and ideation processes.

Design and build internal systems for user safety, develop APIs, enhance data collection, and ensure compliance with global regulations.

Develop backend systems in Rust, maintain cross-platform components, implement features, analyze system performance, and engage in continuous improvement.

Join the iOS team to design, develop, and improve platform features, contributing to roadmap creation, knowledge sharing, and proactive issue management.

Build and own end-to-end features across backend and frontend: design backend services and data models (Python/Django), implement RESTful APIs, create reusable frontend components (TypeScript/React), write tests, participate in code reviews, maintain production reliability and security, and collaborate with product and design.

Develop high-quality software solutions, participate in Agile meetings, debug and validate code, and contribute to design discussions in a collaborative environment.

Build and maintain hardened Ubuntu-based container images and the automated CI/CD pipelines to build, test, scan, sign, publish, and retire them. Integrate upstream open-source projects, ensure security and cloud-native compatibility, collaborate with cross-functional teams, document and share knowledge, mentor colleagues, and contribute to hiring. Work in a distributed agile environment with occasional travel.

The Backend Software Engineer will design and implement communication systems for tactical C2 applications, ensuring seamless data flow and fault tolerance in challenging environments.