Top Tech Jobs & Startup Jobs in Paris

As a Software Engineer Intern, you'll enhance API performance, support R&D tools, maintain backend services, and write clean Python code.

The role involves designing and implementing integration solutions using MuleSoft, supporting business growth through AI-driven decisioning in a collaborative environment.

Build and maintain Python tools for web scraping, automation, integrations (Airbnb, marketplaces), ad automation, chatbots (Chatwoot), workflow automation (Spiffworkflow), automated tests, and data analysis.

Deploy, validate, optimise and support personalisation systems (e.g., passport/ID printers). Lead FAT/SAT/CAT/UAT testing, install and commission equipment and IT infrastructure, perform calibration and mechanical tuning, troubleshoot hardware/software/IT issues, liaise with suppliers, support live deployments and handovers, and contribute to requirements, validation, and continuous improvement.

Lead the evolution of Proton's cloud storage platform as a Senior Product Manager by driving product innovation, defining success metrics, and collaborating with teams to execute strategies.

Own the cryptographic core: select and evolve MPC/TSS schemes, author protocol reviews, implement and review Rust/Go production crypto, lead audit responses, prepare incident fixes, publish and represent externally, and teach/mentor engineers while scaling the crypto function.

Lead design and delivery of reliability and platform engineering work: operate and scale Kubernetes clusters, build cloud infrastructure, implement IaC, define SLO/SLI/error budgets, improve observability, automate CI/CD, embed AI-driven workflows, mentor engineers, collaborate with Security, and participate in incident response and on-call rotations.

Manage end-to-end offboarding and employee exits across multiple jurisdictions with legal compliance and excellent client experience. Provide first-level employee relations support, conduct preliminary assessments and workplace investigations, lead termination and consultation meetings, draft termination documents, coordinate stakeholders (payroll, legal, unions), process exits in HRIS, and drive process improvements, automation, and product enhancements.

Manage and optimize Facebook advertising campaigns across lead generation and online training sales. Set up audiences, pixels, and campaign settings; conduct and document A/B tests; interpret performance data; manage budgets; improve ROAS, appointments, ad performance, and revenue; and collaborate with the Marketing Director on campaign ideas and copywriting.

Create, manage, and optimize Facebook advertising campaigns to improve ROI, generate appointments, increase sales, and grow revenue. Responsibilities include audience and Meta Pixel setup, budget management, ongoing A/B testing, performance analysis, documentation, and collaboration with the Marketing Director on campaign strategy and copy.

Supports global employee offboarding and separation processes, including voluntary and involuntary terminations, severance accrual tracking, HR data administration, compliance checks, reporting, audits, and documentation updates. Partners with HR, Payroll, Employee Relations, Finance, IT, vendors, and regional stakeholders to resolve complex inquiries, maintain accurate employee records, monitor system interfaces, and improve shared-service processes.

Respond to global employee HR and payroll inquiries via phone, email, web-form and chat. Troubleshoot and escalate issues, promote self-service, maintain case records, contribute to knowledge base and process improvements while meeting service levels.

Drive post-sales technical implementations: design API/SDK integration strategies, mentor customer engineering teams, build playbooks, optimize tooling and analytics, triage issues, and partner cross-functionally to accelerate customer adoption and scaling.