Top Software Engineer Jobs in Paris

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug smart contracts, document development processes, provide technical support, and stay current with blockchain and payments technology trends to ensure secure and efficient implementations.

Build and maintain high-security mobile wallet apps using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams, debug performance issues, and propose UX and security improvements.

Develop and maintain the Tetragon agent and its eBPF/BPF programs to provide runtime security, observability, and enforcement across embedded, Kubernetes, and VM environments. Improve network parsing, design advanced eBPF-based security mechanisms, contribute to OSS communities, perform code reviews, engage in architecture discussions, and produce technical documentation.

Develop a Go-based Kubernetes-native control plane to manage an eBPF datapath for traffic security. Design APIs, custom resources, and tools to enable WAF/IDS/IPS functionality, ensure scalability and failover, debug performance and security issues, participate in code reviews, and produce technical documentation.

Lead the Costing Framework EU squad: provide technical leadership, manage and mentor engineers, drive product alignment and delivery, maintain operational excellence, remove blockers, and represent the team to stakeholders to ship and maintain high-quality billing systems for metered energy.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Seeking software engineers with at least 2 years of production backend experience, interested in crypto and blockchain technologies, for roles with portfolio companies.

Build backend services and APIs to manage lifecycle of Qdrant Cloud clusters (provisioning, scaling, upgrades, backups, auth). Collaborate across teams, investigate production issues, and improve reliability, scalability, and usability of the cloud platform.

Develop core backend components for a blockchain network, focusing on networking, reliability, scalability, and high-quality software practices.

Design, build, and maintain Python-based integration solutions connecting OpenAEV and OpenCTI to external platforms. Analyze third-party APIs, ensure secure, scalable integrations, troubleshoot issues, document workflows, review code, mentor engineers, and collaborate with product and engineering teams to improve integration frameworks.

As a Senior Software Engineer, you will enhance the Patient Online Booking feature, lead technical vision, and ensure application performance and security while collaborating with cross-functional teams.

The role involves designing and building AI-focused research tools, optimizing performance, engaging with customers, and scaling product features quickly.

The Backend Engineer will design scalable infrastructure for AI research tools, collaborate on optimizing system performance, and own evaluation pipeline automation.

The role involves leading software development for Network Diagram capabilities, designing technical solutions, optimizing algorithms, collaborating cross-functionally, and mentoring engineers to uphold standards.

Design and develop the Metis system, ensuring its quality in a remote team while operating and maintaining distributed systems.

Lead full‑stack development of high‑traffic public websites, integrate AI tooling into the SDLC, design scalable backend and performant UIs, maintain cloud infrastructure, CI/CD, monitoring, and testing, and own services under a you‑build‑it‑you‑run‑it philosophy.

Architect, develop, and scale cloud services, dashboards, and data pipelines to support robotics and autonomous vehicle telemetry. Integrate IoT devices with Azure services, build APIs/microservices, implement observability and CI/CD, validate systems in lab and field, and mentor junior engineers.

Design, develop, test, and integrate embedded robotic control software for lift trucks. Create system and component requirements, simulate and verify software, collaborate globally on electrical and software architectures, support manufacturing and aftermarket, lead code/design reviews, mentor junior engineers, and liaise with technology suppliers to ensure quality, reliability, and performance.

Build and maintain backend integrations and production features for Enode's Connect platform. Work on Node/TypeScript and AWS-based services to support EV charging and home energy systems, collaborate with product and commercial teams, debug and improve services, participate in code reviews, and translate customer needs into reliable technical solutions.

Build and operate services and tooling that automate network lifecycle, make network changes safe (CI/CD, rollouts, audit trails), develop scalable observability and telemetry, integrate network source-of-truth with platform APIs, and collaborate with network engineers and SREs to turn operational pain into production-grade automation.

Develop and maintain open-source, silicon-optimized AI/ML inference application packages (Inference Snaps) for Linux/Ubuntu Core. Debug, write high-quality code, review upstream contributions, secure and optimize local inference deployments across embedded devices to gateways, and collaborate with a distributed team and stakeholders.

Design, implement, and maintain cross-platform C++ features for Multipass on macOS and Windows. Lead architecture, mentor peers, write high-quality tested code, review contributions, debug user issues, collaborate with a distributed team, engage the open-source community, and support customers.

Develop and maintain ABAP solutions in S/4HANA Cloud, own features and interfaces, integrate SAP with Make/Node/Python/Retool and the data warehouse, work directly with Finance stakeholders, investigate root causes, and learn modern SAP patterns (RAP, BTP, Released APIs).

Design and build scalable backend systems for PlanetScale's database platform (Vitess/Postgres), collaborate on distributed systems challenges, work autonomously and with customers, optimize performance, and mentor engineers while operating systems at production scale.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.