InterviewHack.ai
Start free
Jobs / Pennylane SAS

Fullstack Software Engineer RoR/JS W/M

Pennylane SAS·All France (remote)Remotemid

In short

  • →Desarrollador fullstack en Rails y JS para escalar un sistema financiero en Francia y Europa
  • →Trabajas en equipo para automatizar procesos, mejorar el rendimiento del sitio y conectar con ecosistemas fintech
  • →Destaca por usar IA y automatización para acelerar el crecimiento de una herramienta utilizada por 900K+ empresas

Fluent in French & English (B2/C1)

Apply on company site ↗Share on WhatsApp
✓ Free to start✓ Runs in your browser✓ First dossier, no card✓ Ready in ~1 minute

In ~1 minute you get: who interviews you, the likely questions answered from your CV, and your CV tailored to this job. Your first dossier is free.

The questions they'll ask you

1. ¿Cómo has usado IA o copilotos para mejorar tu productividad en proyectos anteriores?

2. Describe un caso en el que optimizaste una ruta de conversión en una página web.

3. ¿Qué estrategia usarías para implementar seguimiento de eventos en una app multilingüe con Nuxt?

🔒 +7 more questions

No card. Upload your resume and the full dossier is ready in ~1 minute.

🎧Land the interview? Bring the copilot. Our free extension listens to the live interview and flashes 3-4-word anchors from your resume and prep — glance, connect, talk. Get the extension →

💵 USD · Remote · No visa

Not finding what you want? Try Micro1

Micro1 places engineers directly at US companies paying in USD. One vetting, multiple offers — no cold applying.

Get matched by Micro1 →
📬Jobs picked for YOUR resume, every morning on WhatsApp. Free: text “vacantes” and the bot sends your daily matches. Subscribe →

What they ask for

  • ✓2+ años como ingeniero de software
  • ✓Dominio de Ruby on Rails
  • ✓Conocimiento de JS (Vue/Nuxt) como plus
  • ✓Francés e inglés fluidos (B2/C1)
  • ✓Experiencia con herramientas de datos (GTM, Segment) o visualización (Datastudio, Looker)
  • ✓Capacidad de adaptarse en entornos startup dinámicos

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

Ruby on RailsJavascriptVue JSNuxt JSPostgreSQLGitGithubGTMSegmentDatastudio

Who should you write to at Pennylane SAS?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

Are you looking to have an impact on the daily life of millions of entrepreneurs in France (and tomorrow in Europe)? Are you looking for a work environment that values trust, proactivity, and autonomy? Are our Engineering principles aligned with your vision? Then Pennylane is the right place for you ! Our vision We aim to become the most beloved financial Operating System of French SMEs and Accounting Firms (and soon, European ones). We help entrepreneurs rid themselves of time-consuming tasks related to accounting and finance while providing them with access to key financial information to assist in making the best decisions for their business. About us Pennylane is one of the fastest growing Fintechs in France (and soon to be in Europe!) In 5 years of existence, we’ve managed to : 💻 Make ourselves known as a groundbreaking accounting and financial software for small businesses and their accountants 💰 Raise a total of €400 millions, including from Sequoia, the famous fund from the Silicon Valley who invested early in companies like Google, Facebook, Airbnb, Stripe, Paypal and much more... 👨‍👩‍👧‍👦 Grow from 7 cofounders to 1000 happy Pennylaners : we’re now recognized as one of the greatest places to work in France (and also remotely), with a 4.6/5 rating on Glassdoor . 🌍 Build an international environment with more than 25 nationalities, with a strong remote-friendly culture, where 30% of the employees are already working from all parts of Europe 🤝 Earn the trust of thousands of customers and accounting firms and obtain outstanding ratings 🚀 Already more than 900,000 small and medium-sized enterprises (SMEs) and over 6000 accounting firms use Pennylane in France! Your mission You will join our Growth Team and work collaboratively with Thomas the growth engineer team lead within the Marketign website squad. We are looking for a talented full stack software engineer whose main mission will be to ⏬ Global Scaling: Build and refine the infrastructure supporting our internationalization (multi-language, localized user journeys…). Intelligent Automation: Design and deploy AI-driven tools and automated workflows to streamline lead acquisition and personalize user experiences at scale. Tracking & Insights: Implement and enhance sophisticated visitor tracking systems to turn raw data into actionable growth levers. Ecosystem Connectivity: Design and develop robust APIs to ensure seamless data flow between our internal tools and the broader fintech ecosystem. High-Velocity Experimentation: Launch needle-moving projects including A/B tests, white-label integrations, predictive lead scoring, and optimized acquisition funnels. Performance Optimization: Maintain and push the limits of our public website and registration funnels for peak conversion across all markets. Who are we looking for ? To thrive at Pennylane in this position, you need to : Experience: At least 2+ years of professional experience as a Software Engineer. Tech Stack: Mastery of Ruby on Rails. Proficiency in a JS Framework (Vue/Nuxt) is a major plus. Efficiency Obsession: You know how to leverage AI tools (LLMs, Copilots, etc.) and automation to move faster and smarter than the average dev. Communication: Fluent in French & English (B2/C1). German is a bonus ! Adaptability: You are energized by an ever-shifting startup environment and love collaborating with diverse stakeholders (Data, Sales, Marketing).

More jobs like this

Remote JavaScript jobsRemote Full-Stack Developer jobs

Looking for something similar?

Leave your email and we'll alert you when matching jobs appear.

Don't apply unprepared

We research who's interviewing you, tailor your CV and rehearse you live — first one free.

InterviewHack.ai

Prepare for the exact interview: who's interviewing you, a tailored CV, and a real coach.

Product

JobsCompanies hiringAll free toolsResume verdict (Jev)Free cover letterInterview questions by roleTechnical assessment simulator"Tell me about yourself" answerFree ATS checkerInterview-English checkSalary checkSalary negotiation scriptFree STAR answerLinkedIn headline + AboutLATAM salary reportFree coursesBlogTailored CVSpoken practicePricingAffiliates — 30%

Remote jobs

ReactPythonFull-StackLATAMArgentinaMexicoSee all →

Prepare

Spoken practiceFrontendBackendAI EngineerBy companySell with your CV

Company

For employersAboutContactPrivacyTerms

© 2026 InterviewHack.ai · Your CV is yours. Never used to train anything. · A product of IA-PTY

Similar open roles

Lead Fraud & AML Ops

Pennylane SAS · Paris

→

Lead Credit Ops

Pennylane SAS · All France (remote)

→

Team Lead Website

Pennylane SAS · All France (remote)

→

Team Lead Website

Pennylane SAS · Paris

→