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Software Engineer

Genesy Ai

Genesy Ai

Software Engineering
Barcelona, Spain
Posted on Nov 19, 2025

About Genesy AI

Genesy AI is a Barcelona-based startup on a mission to revolutionize how B2B sales and prospecting teams operate. Our cutting-edge AI-driven lead generation technology empowers sales teams to focus on what truly matters: selling. By automating manual prospecting, we help optimize workflows, ensuring a predictable and scalable sales pipeline—no wasted time, just results.

After successfully raising €5 million in a landmark seed funding round, we are looking to grow our teams and scale in key markets.

We’re growing fast and looking for a Software Engineer to join us at Genesy AI. You’ll play a key role in building the systems and user experiences that power our sales-automation platform, from high-throughput backend workflows to performant, feature-rich web applications.

💪🏻 What You’ll Do

Depending on your background and strengths, you will take ownership across one or more of the following areas:

Backend

  • Build and maintain scalable, reliable services powering our core engine.

  • Work with async architectures, data pipelines, and workflow orchestration (Temporal).

  • Design and implement production-grade APIs and integrations with external platforms (CRMs, LinkedIn, and more).

  • Optimize performance, debug complex issues, and ensure strong observability.

Frontend

  • Develop high-quality, responsive web applications using React + TypeScript.

  • Own customer-facing dashboards, campaign builders, reporting UIs, and supporting API layers.

  • Work on internal tools, SSR/edge rendering, and lightweight Node.js services.

  • Focus on performance, Core Web Vitals, and developer experience.

Cross-functional

  • Collaborate closely with Product, Design, and Engineering teams.

  • Ship end-to-end functionality with a clear focus on quality, reliability, and speed.

  • Help shape engineering practices, code quality, and architecture as we scale.

🔎 What We’re Looking For (Must-Have)

  • 3+ years of professional software engineering experience (Backend, Frontend, or Full-Stack).

  • Strong experience with TypeScript and either Node.js or React.

  • Solid understanding of modern API design, async workflows, or web architectures.

  • Experience working with relational databases (PostgreSQL or similar).

  • Ability to work autonomously, debug complex issues, and ship high-quality code.

  • Strong communication skills and an advanced level of English.

  • Desire to work in a fast-moving startup environment.

Nice-to-Have

  • Experience in early-stage or fast-scaling startups.

  • Familiarity with workflow engines (e.g., Temporal), distributed systems, or microservices.

  • Knowledge of UI performance optimization, design systems, or a11y testing.

  • Experience with Redis, Elasticsearch, Kafka, or third-party API integrations.

  • CI/CD practice with GitHub Actions.

  • Interest in B2B SaaS, sales tech, or automation tools.

  • Basic exposure to full-stack work, even if your focus is mainly Backend or Frontend.

🌟 What We Offer

  • Competitive salary based on experience.

  • Performance bonuses you won’t find anywhere else.

  • Flexible remuneration through Cobee.

  • Short Fridays all year, plus extra vacation days (birthday + Geneversary).

  • Two weeks of fully remote work from anywhere every August.

  • Discount at a premium gym with spa access.

  • Free fruit and coffee every day.

  • Discount at a beachfront café with daily menu deals.

  • Beachfront office with stunning sea views and direct beach access.

  • Continuous learning opportunities (mentoring, workshops, conferences).

  • Career growth with recognition for your impact.

  • Team gatherings and celebrations.

  • A collaborative culture based on transparency, teamwork, and respect.

Ready to shape the future of B2B sales with us? Let’s build something great together!