BACKEND PRODUCT ENGINEER

Ecostars is a B2B startup transforming the sustainability certifications industry. We have a product customer-first vision, and an amazing technical challenge in front of us.About EcostarsBorn in 2021, Ecostars is a hotel sustainability certification that responds to the sustainable travel trend by awarding eco-stars through a registered algorithm that calculates the environmental impact per stay of each hotel based on three basic parameters: energy efficiency, water efficiency, and sustainable commitments (CO2, circular economy, sustainable food, social impact and animal welfare). The evaluation process is simple, free of charge, automated and statistical -based on an algorithm and comparative benchmark tables-, globally scalable, objective, unbiased and comprehensive, plus 95%+ faster than any other in the market.In just two years, Ecostars has become the #1 ESG certificate in Spain and #3 globally, present in 30+ countries across Europe, Latin America and Africa. More than 1,500 hotels, including large chains as Meliá, AC, H10, Vincci, Catalonia, Eurostars, Abba or Ilunion have been certified.Our team has extensive experience in building great products and companies. We know success, we know failure; we have built platforms from scratch, we have dealt with large legacy systems. We genuinely care about each team member and the products and services we bring to life. As a purpose-driven and lean team, we passionately embrace:Flat organizationDiverse teamCollaborative culture: your opinion countsLean and customer-centricInnovative environmentFlexibility and async workProfessional growthAbout youWe believe that education can be acquired in many ways, not just through a degree. That’s why we don’t require specific formal education, but we do expect you to have experience on the following areas:+4 years of experience building complex web applications. Experience in a specific programming language is not important, but most of our codebase is Typescript / NodeJS. We are not tied to anything, but we expect you to adapt and learn on the job.Have the ability to create fast, easy-to-use, production-ready applications, and develop and evolve (or discard) prototypes quickly.Organize yourself and coordinate with the rest of the team to plan, execute and deliver solutions to complex software engineering problems.Design and integrating RESTful APIsHandle data in SQL and noSQL databasesStay up to date on emerging technologies. For example, have some experience with LLM-based generative modelsStrong problem-solving skills and attention to detailIn the first month, you willMeet the whole teamLearn our data model and architecture and deeply understand the problem domainImplement your first change, create a pull request and deploy itReview other team members’ code and start contributing to our engineering cultureWithin the first three months, you willTake ownership defining and implementing new functionalitiesImprove the process to how we code, review, and ship to improve quality all aroundWithin the first six months, you will:Become the most knowledgeable person on multiple key featuresKnow every major component within our system and be able to troubleshoot complex issuesSpearhead initiatives initiatives to improve the code base and infrastructureIdentify bottlenecks, employ profiling techniques, and propose enhancements to optimize performanceHelp other engineers join the team by leading their onboarding process.The stackWe use these tools because we think they're the best fit for tackling our product challenges. Got a different take? Reach out! Our tech stack is a team decision.https://stackshare.io/companies/ecostarsThe hiring processSend us an email with your CV to careers@ecostars.org and let us know where you saw the job offer and what's driving you to join Ecostars.The interview will be handled by our Tech and Product team:An initial chat over the phone, video call or in person, just a chance for us to get acquaintedA second, more technical interview (preferably in person) with Rafa, our CTO. We'll dive into your experience and how we do things at Ecostars. Don't stress – we won't be throwing complex algorithms or quizzing you on manhole covers.A last brief chat with Jose Luis, our CEOEither way, we'll provide feedback and keep you in the loop after each interview regarding the status of the process.What we offerCompetitive and honest salary. We are starting out but we want to pay you the best we can. 35.000 - 45.000 euros (gross annual salary) with annual reviewsPermanent contractFlexible hours with overlapping time frame (10:00 - 15:00)Office in downtown Madrid (Salamanca District)Very competitive equity (phantom shares) in a fast-growing startup23 days of paid leaveWork environment that promotes autonomy and flexibilityYour opinion matters: culture of a consensus-driven decision-making process.If this opportunity sparks your interest and you believe you have what it takes to make a significant impact, we want to hear from you! Don't hesitate to reach out, even if you don't check all the boxes. If you think you can fit in and contribute, we encourage you to apply.Ecostars is committed to equal opportunities, regardless of race, color, ancestry, religion, sex, origin, sexual orientation, age, citizenship, marital status, family or parental situation, gender identity, disability, or any other protected status. The company values your energy, skills, and desire to be part of the team above all else.* Engineer: a practitioner of engineering, professional who invents, designs, analyzes, builds and tests machines, complex systems, structures, gadgets and materials to fulfill functional objectives and requirements while considering the limitations imposed by practicality, regulation, safety and cost.Tags / Etiquetas#Startup #Product #TechnicalChallenge #Indefinite #FullTime #Hybrid #Madrid #FlexibleHours