Software Engineer

il y a 2 semaines

Paris or remote, France Zefir Temps plein
Who We Are

Zefir is Europe's fastest-growing AI Real Estate Marketplace. We're transforming how homes are bought and sold, enabling transactions twice as fast as traditional methods. In just 2 years, we've achieved over €1 billion in Gross Merchandise Volume (GMV).

Backed by over €50 million from top-tier investors like Sequoia Capital, we're committed to accelerating life changes for millions of current and future European homeowners.

Engineering Team

At Zefir, our Engineering Team is the driving force behind our mission to accelerate life changes. Growing rapidly from 9 to 30+ engineers, we don't just write code—we solve meaningful problems for our customers.

From ideation to launch and beyond, engineers at Zefir take full ownership of their work, ensuring that every feature delivers the expected impact. We leverage LLM-based development workflows and shared best practices to automate repetitive tasks, allowing us to keep our codebase lean, scalable, and built for speed.

Responsibilities/Mission

  • Develop and deploy robust, high-performance APIs using (TypeScript), , and GraphQL.

  • Build intuitive frontend applications with and , delivering outstanding user experiences.

  • Collaborate closely with Product Managers and cross-functional teams (Operations, Growth, Brand) to prioritize features and deliver key objectives.

  • Own the full lifecycle of features from ideation and design through implementation, deployment, and performance monitoring.

  • Write clean, maintainable, thoroughly-tested code to ensure fast deployments and continuous improvement.

  • Implement comprehensive end-to-end (E2E) tests to ensure reliability and reduce code review cycles.

  • Proactively contribute to strategic decisions about the future direction of our web applications and infrastructure.

  • Leverage LLM-based libraries and implement key AI-driven functionalities (RAG, memory, agentic workflows) using stacks like Pinecone and Langchain.

Qualification

  • Entrepreneurial mindset with a demonstrated ability to turn ambitious ideas into practical solutions.

  • Excellent problem-solving skills, with the ability to quickly evaluate and recommend effective technological solutions.

  • Highly collaborative, open-minded, and comfortable working closely with diverse teams.

  • Ambitious, performance-oriented, and maintains a positive attitude.

  • Fluent in English for clear and effective communication.


Benefits

  • Competitive salary: You can run your own simulation with our salary calculator.

  • BSPCE (Stock Options): Available for everyone, with monthly vesting after year one, over a 4-year period.

  • Healthcare plan: Full coverage with Alan for team members, their partners, and children.

  • Office in Le Peletier, Paris (9th arrondissement): With flexible remote work options.

  • Swile meal card: €11 per worked day.

  • Swile mobility card: €42/month to support sustainable transportation (metro, carpooling, biking…).

  • Team events: Monthly Mixers to connect and share good times, and quarterly All Hands to celebrate wins across the company.

Our Operating Principles

Steep Mountains Are Steep: Setting ambitious goals and working hard to achieve them.

Ride Reality: Actively seeking challenges and thriving by adapting flexibly to changes.

Play for the Front of the Jersey: Prioritizing team success over individual recognition.

Application & Process

We welcome applications from anyone, regardless of background, gender, sexual orientation, religion, age, or experience. Our team values authenticity and diverse perspectives.

For all roles, our interview process emphasizes hands-on exercises, case studies, or discussions about specific examples of your previous work. We ensure objectives and expectations are clearly communicated at every step.

  • Senior Software Engineer

    il y a 3 jours

    Paris, Île-de-France CAST Software Inc. Temps plein

    We're developing innovative solutions that leverage our Software Intelligence products (CAST Highlight and CAST Imaging) to enhance AI's capabilities in software engineering contexts.As a Senior Software Engineer on this initiative, you will:Design and implement integrations between our Software Intelligence products and modern LLM frameworksDevelop APIs and...

  • Senior AI-First Software Engineer — LLM Integrations

    il y a 6 jours

    Paris, France CAST Software Temps plein

    A software solution company in Paris is seeking a Senior Software Engineer to work on innovative solutions utilizing AI in software engineering. The role involves designing integrations between products and modern LLM frameworks, as well as developing APIs that convert code insights into formats that AI can use. Candidates should have strong full-stack...

  • Senior Software Development Engineer(

    il y a 2 semaines

    Paris, Île-de-France Siemens Digital Industries Software Temps plein

    Siemens Digital Industries Software - Where today meets tomorrow.Let's make the difference togetherMeet the team - VideoSiemens Digital Industries (DI) is an innovation leader in automation and digitalization. Closely, collaborating with partners and customers, we care about the digital transformation in the process and discrete industries. With our Digital...

  • C++ Software Engineer

    il y a 6 jours

    Paris, France ic resources Temps plein

    Rights to work in France without sponsorship are essential for this vacancy. An exciting opportunity for a C++ Software Engineer has arisen with a leading fintech company, based in Paris. This is a great opportunity for a C++ Software Engineer to join a talented and growing team made up of hardware engineers and software engineers, focused on the development...

  • Senior C++ Software Engineer – Hardware Prototyping

    il y a 6 jours

    Paris, France Siemens Digital Industries Software Temps plein

    A leading industrial software company is seeking a Senior Software Development Engineer to join their hardware prototyping team in Paris. This role involves developing competitive functionalities, supporting existing solutions, and ensuring quality through automated tests. The ideal candidate will possess a degree in electrical engineering or a related...

  • Senior Software Engineer AI

    il y a 6 jours

    Paris, France CAST Software Temps plein

    We're developing innovative solutions that leverage our Software Intelligence products (CAST Highlight and CAST Imaging) to enhance AI's capabilities in software engineering contexts. As a Senior Software Engineer on this initiative you will : Design and implement integrations between our Software Intelligence products and modern LLM frameworks Develop APIs...

  • Senior Software Development Engineer(

    il y a 6 jours

    Paris, France Siemens Digital Industries Software Temps plein

    Senior Software Development Engineer (m/f/d, C++, hardware prototyping) 4 days ago – Be among the first 25 applicants. Siemens Digital Industries Software – Where today meets tomorrow. Let's make the difference together! Meet the team – Video. Siemens Digital Industries (DI) is an innovation leader in automation and digitalization, collaborating...

  • Software Development Engineer

    il y a 2 semaines

    Paris, France Siemens EDA (Siemens Digital Industries Software) Temps plein

    Siemens EDA is a global technology leader in Electronic Design Automation software. Our software tools enable companies around the world to develop highly innovative electronic products faster and more cost-effectively. Our customers use our tools to push the boundaries of technology and physics to deliver better products in the increasingly complex world of...

  • Software Development Engineer

    il y a 2 semaines

    Paris, Île-de-France Siemens EDA (Siemens Digital Industries Software) Temps plein

    Siemens EDA is a global technology leader in Electronic Design Automation software. Our software tools enable companies around the world to develop highly innovative electronic products faster and more cost-effectively. Our customers use our tools to push the boundaries of technology and physics to deliver better products in the increasingly complex world of...

  • Staff Software Engineer

    il y a 1 semaine

    Remote (France) Malt Temps plein

     Discover our galaxy Join the Future of Work Malt is Europe's leading freelance marketplace, connecting over 850,000 talented freelancers with 90,000+ companies. Founded in 2013, we're transforming how work gets done through our tech-powered, human-centered platform. What makes us different: - A diverse team of 600 Malters across 6 European countries -...