6031 English-speaking jobs in Île-de-France

As a Technical Account Executive, you will guide customers through their journey with Lago's open-source billing platform, helping them unlock its full potential. You will become a product expert, lead demos, and simplify technical concepts for customers. You will collaborate with engineering, product, and marketing teams to ensure a seamless customer experience.

Own the full commercial relationship with engineering-led organizations navigating billing changes. Qualify, progress, and close opportunities from initial contact through contract signing. Become a product expert and navigate complex buying environments. Run structured discovery, lead demos, and feed product feedback. Represent Lago externally.

Design and ship end-to-end B2B products, including billing, pricing, and analytics. Collaborate with engineers and leverage AI tools to create intuitive user experiences. 5+ years of experience designing digital products, strong portfolio, and excellent communication skills required.

Leads Sinay's global marketing strategy, driving sustainable growth through Sales-Led Growth (SLG) and Product-Led Growth (PLG). Develops and scales a hybrid approach, builds a performance-driven marketing team, and defines/executes key marketing KPIs.

Drive partner awareness and new business for MongoDB. Proactively prospect, qualify, and develop a sales pipeline through SI Partners. Collaborate with Sales and Global teams to close business and meet sales targets.

Staff Software Engineer to shape the backend foundation of Intego, a flagship security product. Build and maintain server-side technologies, support new features, and improve system reliability. Solid PHP and Laravel experience required, along with knowledge of payment processors and cloud technologies.

Full-stack software engineer with 5+ years of experience in TypeScript frameworks, building and enhancing customer-facing applications, APIs, and integrations.

Science Teacher to deliver the science curriculum in English to IB students. Must have a science degree, teaching experience, and fluency in English. Experience with the IB and MYP programs is required.

Senior Physical Design Engineer will implement advanced semiconductor devices, ensuring designs meet performance, power, and area targets. Collaborate with RTL, DFT, and system teams to translate concepts into silicon.

Senior commercial leader to define and execute the long-term growth strategy for Coins & Banknotes. Own the P&L and steer revenue, margin, and performance. Lead, coach, and develop a large international expert team.

Develop and implement algorithms for quantum processing units (QPUs) using neutral atoms. Translate hardware constraints and system requirements into functional software solutions. Validate software performance and optimize runtime and resource usage. Collaborate with software and hardware engineers to integrate algorithms into end-to-end systems.

Full-stack Software Engineer to build AI-native tools and infrastructure for engineers and non-engineers. Experience with LLM APIs, agent orchestration, or AI-assisted coding is a plus. Must be fluent in English and legally eligible to work in France, Belgium, or Spain.

The People Lead owns the end-to-end People function for a fast-growing biotech scale-up. Responsibilities include designing and scaling HR processes, leading a team of two, overseeing employee lifecycle management, and partnering with leadership on strategic initiatives. The ideal candidate has 4+ years of People Ops experience, a track record of scaling HR systems, and strong data analysis skills.

Gigs is seeking an Implementation Manager to lead end-to-end customer implementations of its mobile connectivity platform. This role requires experience in API integrations, project management, and a strong understanding of B2B2C business models. The ideal candidate will have 5+ years of experience in a similar role at a B2B or SaaS tech company, ideally in FinTech or HR. Fluency in French or Spanish is a plus.

Develops and manages systematic investment portfolios exploiting market inefficiencies. Requires 2+ years of experience in developing strategies with a positive PnL and Sharpe ratio, and strong programming skills in Python and C++.

This entry-level role is for physicists, geophysicists, or mathematicians to process seismic data using signal processing, modeling, and imaging workflows. Successful candidates will generate high-resolution subsurface images and models for clients in the energy industry.

Experienced Python developer sought to build and scale platform using industry best practices. Collaborate with product, frontend, and infrastructure teams. 5+ years back-end development experience required. Proficient in FastAPI, REST, Docker, Kubernetes, PostgreSQL, Clickhouse, Kafka, Celery, Redis. Strong communication and architectural thinking skills. Fluent English required.

Senior Infrastructure / Platform Engineer to design, build, and operate reliable, secure, and scalable infrastructure systems. Focus on automated infrastructure changes, self-service capabilities, and supporting both cloud and on-premise environments. Mentoring and supporting junior engineers. Requires strong networking, Linux, and programming skills, experience with AWS, Kubernetes, and infrastructure-as-code.

Data&Data seeks a Python Software Engineer to implement new product functionalities. Responsibilities include enhancing crawling algorithms, working with APIs, designing data processing algorithms, and scaling architecture.

As a Developer Experience Engineer, you will design and implement AI-powered internal tools, build a streamlined development platform, and advocate for developer needs. You will leverage LLMs and AI to automate workflows and improve developer productivity.