Software Engineer (m/f/d)

Cello·Germanyjunior

En corto

→Ingeniero de software construyendo infraestructura de crecimiento con referidos y recomendaciones para SaaS.
→Trabajas en React, Typescript, NestJS y Python, con enfoque en APIs, widgets y análisis de eventos a gran escala.
→El equipo es pequeño, remoto en Europa y usa IA en el flujo de trabajo — se valora el pensamiento crítico sobre la automatización.

Good English (written & spoken)

En ~1 minuto te damos: quién te entrevista, las preguntas probables con respuestas desde tu CV, y tu CV adaptado a esta vacante. Gratis, sin tarjeta.

🎧¿Llegás a la entrevista? Llevá el copiloto. Nuestra extensión escucha la entrevista en vivo y te muestra anclas de 3-4 palabras desde tu CV y tu preparación — mirás, conectás, hablás. Gratis. Ver la extensión →

¿Qué piden?

✓Inglés fluido (escrito y hablado)
✓Experiencia real con React o similar
✓Conocimiento básico de NestJS o Python
✓Capacidad para aprender rápido y tomar iniciativa
✓Usar herramientas de IA con criterio, no solo como reemplazo
✓Enthusiasmo por el producto y el dominio de SaaS y crecimiento digital

¿No cumplís todo? Es lo normal — tu dossier gratis te dice qué gaps tenés y cómo cubrirlos en la entrevista.

ReactTypescriptNestJSPythonAWS

¿A quién escribirle en Cello?

Tu dossier gratis identifica a las personas que te entrevistarían — con su background, qué valoran y cómo escribirles para destacar antes de aplicar.

Cello is the Revenue Growth Infrastructure for modern digital businesses — turning word-of-mouth into a systematic, measurable growth channel for the AI era. Category leaders like Typeform, Miro, and Veed use Cello to accelerate their growth flywheel. TL;DR Seed, GrowthTech Remote-first, Europe-based (must be within CET +/-3 hours) Competitive salary + eVSOPS Why Cello $10.3M raised from top-tier investors, 30+ new customers every month Small team — you'll shape how we build, not just execute tickets Founding team of serial founders and operators from Twilio, Wise, and Skype We adopt AI tools where they actually help — because our customers do too Remote-first with regular team meetups across Europe What We’re Building We help SaaS companies turn their users and partners into a sales channel through referrals, sharing, and recommendations - 10M+ end users interact with our system every month. Our widgets live inside customer products, which means your code runs in environments you don't control . On top of that: APIs that customer developers integrate against, and a portal where customers manage their campaigns and analytics. Under the hood: attribution across complex user journeys, AI-based recommendation engines, multi-tenant infrastructure serving hundreds of customers, scaling millions of events. Deeper than you'd expect from a referral tool. Our product is integrated by customer developers - and that world is changing fast. The people building against our APIs and widgets range from corporate engineering teams to solo founders using AI coding agents . Keeping up with how developers work today, and making sure our product fits into all of those workflows, is one of the more interesting challenges here. What you will do: Work with the following stack: React · Typescript · NestJS · Python · AWS You'll start with well-scoped tasks and ramp up from there - we don't expect you to know everything on day one. Build features, fix bugs, and gradually take on more ownership as you learn the product. You'll work alongside senior engineers who'll help you grow, but we won't spoon-feed you either. We use AI tools heavily in our workflow - you'll be expected to leverage them to move fast and learn faster About You Good English (written & spoken) Some experience with React (or similar) and NestJS/Python (or similar) - you don't need years, but you need to have built something real . Hungry to learn. What you might lack in experience, you make up in energy and curiosity . You're enthusiastic about AI tools and actively use them to punch above your weight - but you've also written code that works without AI doing the thinking for you. Eager to learn the product and the domain, not just the tech. Strong work ethic - you take ownership, ship what you commit to, and don't need to be chased Nice-to-haves Experience with mobile development (React Native, Flutter, etc.) Benefits In the end, it’s all about the team and our culture. Understand why we love our job and see what it’s like to work at Cello in our People Playbook. We have some compelling perks and benefits here . Find Jobs in Germany on Arbeitnow

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