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Fullstack Engineer - Senior

Papaya

  • Date Posted:

    8/27/2025

  • Remote Work Level:

    Hybrid Remote

  • Location:

    Hybrid Remote in Barcelona, CT, Spain

  • Job Type:

    Employee

  • Job Schedule:

    Flexible Schedule, Full-Time

  • Career Level:

    Experienced

  • Travel Required:

    No specification

  • Education Level:

    Bachelor's/Undergraduate Degree

  • Salary:

    We're sorry, the employer did not include salary information for this job.

  • Categories:

    Software EngineerRuby on Rails

About the Role

Fullstack Engineer - Senior

Hybrid

Full time

Barcelona, Catalonia, Spain

Description

Our Focus 

Papaya Dash's AI Copilot is a modular assistant system for fleet management. It integrates with existing tools, analyzes data, and provides proactive insights to reduce downtime and TCO

Our background

Our team is composed of fun people from all over the world, coming from different paths. We don’t require a BSc, Masters or any level of education or experience from a particular size of the company. For us, passion for building high-quality products and making an impact on the electric transition is way more valuable and you don’t need any of the above to achieve this.

Everyone has a Voice

We are proud to work in an environment where you have the power to enact change. If you have an idea for a new feature or a change to our platform, you make it happen. Strong opinions loosely held is one of our core values. Stay creative.

Iterate to Move Fast💨

We built and launched an MVP in 1 month (with 2 engineers), signed our first customer shortly after and raised our first round within 3 months!

We are now in a new phase of MVPs to tackle predictive maintenance, an exciting time to join and build fast in greenfield projects.

Our Tech Stack 

Our stack is listed below, we like to keep it simple and use the right tool for the right time so it will keep changing.

  • Ruby on Rails API
  • PostgresSQL
  • Redis
  • ReactJS (NextJS)
  • AWS / Heroku
  • Vercel / Cloudflare

Our Tools Stack

We believe in investing in the right tooling to get the job done right with minimal interferences for being productive.

  • Linear
  • GitHub
  • Notion
  • Sentry
  • Slack
  • New Relic

Requirements

The ideal profile is a Senior Full Stack Engineer that enjoys building products 0 to 1, you will get to build AI tools that help with the biggest inefficiencies in mobility industry today.

This is the job for you if :

  • You have strong full stack experience (any stack)
  • You are a critical thinker
  • You are able to work independently and go from problem to solutions tailored for users
  • You have a product mindset - our code is a means to improve our users day to day
  • High attention to detail & UX focus, we work with operational users, a simple experience is key.
  • You like to contribute with your own ideas
  • Ideally based in Barcelona but open to be remote.

The Process

We try to keep our process simple and focused on the work you will get to do here at papaya.

  • 30 min informal intro chat with the CTO
  • 60 min technical pairing exercise with a real world problem with an engineer (No home work)
  • 45 min cultural fit with our CEO

Benefits

  • Be part of a defining and fast-growing early-stage start-up with a strong bank of clients, backed by world-class investors
  • Define your own journey, as you receive autonomy to develop your own ideas. Be part of a team that is inclusive, flexible and passionate about empowering and learning from each other!
  • Receive competitive compensation and benefits, with an equity stake in the company. We believe everyone should get a slice of the pie.
  • Work flexibly, so your work doesn’t interfere with your personal commitments
  • We are an energetic, passionate bunch, and love having fun as much as we like working. Join us for dinners and socials as we grow together as a team!

 

 

 

Apply