Backend Developer in Madrid


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Job Description


Do you want to change the world by making people happier? Do you enjoy innovating with a purpose? Do you wish to have meaningful impact in millions of users? Are you ready to surf the next wave?

This is your chance to join an ambitious venture since its early days, aiming to hack user habits and start a revolution in consumer behavior. At Gratix we are building mobile experiences to make people enjoy doing good and reshape our society for a better future, while innovating in the development of business models to make them scalable. Our mobile app allows anyone to shift their life from consumerism to authentic sharing as the gateway to align our actions with our values, to change the world through solidarity and sustainability

Being one of the first team members, you will have an impact beyond your role, get involved in our strategy and product roadmap, shaping our future, and grow with the company, from our Madrid office to the world

If this sounds like you, you will love joining our team. Founded by an Internet veteran (with more than 10 years experience at Google, including EMEA leadership in the app space), and integrated by a diverse top caliber team, with international experience and passion and commitment to make a difference. We are looking for more pioneers to join us to solve big problems together. Shout out if you are the next one - we are waiting for you, and you will never walk alone once you join us


As Back End developer, you will be expected to deliver products with delightful user experience supported by solid and clean code, working alongside the rest of the team to focus our product development on top user needs, bringing effective ideas and solutions to improve user experience and business results. You’ll own our Back End technologies, lead the development of its infrastructure, and play a fundamental role in defining and developing our technologies and internal processes as we continue to grow, being welcomed to go beyond your role

Key responsibilities:

  • Lead our back front end development, and roadmap our back end infrastructure and data pipeline to power our services and applications into the medium and long term, working closely with the rest of the team and external partners
  • Work closely with the rest of the team in creating product roadmaps and timelines for product development, including UX/UI decisions
  • Be proactive in identifying opportunities and improvements with impact on user and business metrics
  • Work with Agile methodologies focused on achieving performance and learning goals. Foster adoption of clean code, documentation and good practices
  • Define and evangelize engineering best practices as we scale our platform and team
  • Initiate and oversee performance audits, manage analytics, setup A/B tests and enhance app store and search engine optimization
  • Ensure robustness, performance and failure characteristics of the system
  • Be a critical contributor to make tech a competitive advantage to deliver value to our users leveraging your tech savviness and curiosity


Hard skills:

  • Degree in Computer Science, engineering, math, physics or similar technical field of study. Self-learned or equivalent practical experience might work as well
  • Experience in back end development, we are running on PHP/Laravel, MySQL (or similar, if you have quick learning skills)
  • Previous professional experience in similar roles with visible results
  • Extra points: Analytical tools, elasticsearch, Algolia, web programming, async jobs, Google Cloud Platform.
  • Agile, Kanban/ Scrum, Github and active contributions to open source software valued
  • English language - spoken and written fluency

Soft skills

  • Passion to make people happy and delight them with compelling user experiences
  • Excitement about working in an environment where you are expected to make a significant and visible contribution
  • Initiative, results orientation and high accountability to get things done, not afraid of high bars, tough challenges or demanding timelines if the goal is worth
  • Taste for simplicity and doing more with less, using wisely resources and time
  • Flexible startup mindset, willing to contribute beyond the role and work with others
  • Continuous learner, intellectual curiosity and a thrive to grow


  • Immediate incorporation
  • Central location in Madrid
  • Compensation according to experience, with a high component of company participation
  • High trust environment and flexible schedule
  • Personal growth and learning, full integration within a talented and collaborative team who will both support and challenge you

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