We're looking for a Staff Backend Engineer to join our team and help us build the best web apps for our innovative, industry-leading products.If you're a highly motivated person with a real interest in tech and a passion for building cutting-edge products, we've got the perfect job for you!A little bit about usLeadtech has fostered and developed innovative digital businesses across various industries since 2009. We've now got a team of over 800 dedicated employees working around the world, especially in Spain. We're really proud to have more than 23 nationalities working together, and we love that millions of users around the globe enjoy our products and services every month. #LifeAtLeadtechRequirementsBachelor's or Master's degree in Computer Science, Software Engineering, or a related field with 7+ years of software engineering experience with at least 2+ years in a senior/staff roleBackend Development: Expert-level proficiency in Node.js or .NET with deep understanding of framework internals, TypeScript, and JavaScriptCloud Platforms: Solid experience with cloud management and services (Azure, AWS, or preferably Google Cloud)Observability: Proven expertise implementing comprehensive observability solutions including monitoring, logging, distributed tracing, and alerting systemsCI/CD Pipelines: Solid expertise in pipeline design, optimization, and automation for improved deployment efficiencyArchitecture Design: Demonstrated experience designing distributed systems, microservices, serverless, and scalable backend architecturesMentorship: Solid expertise and track record of successfully mentoring and developing engineering talentStrong knowledge of Software Engineering design patterns and system architecture principlesExperience with database technologies (PostgreSQL, MySQL) and normalized data optimizationFamiliarity with container technologies, Infrastructure as Code, and DevOps practicesYou master the definition and implementation of software development best practices, ensuring code quality and maintainabilityExcellent problem-solving abilities and analytical thinkingYou feel comfortable and enjoy working in agile and dynamic environments, adapting to changes and actively contributing to planningYou possess excellent communication skills, both verbal and written, to interact effectively with the technical team and other stakeholders. English is mandatory, Spanish a big plus.What will you do?Lead technical architecture and design of scalable backend systems, ensuring software quality, performance, and reliabilityDefine and implement best practices including CI/CD pipelines, automated testing, code reviews, and comprehensive observability solutions across projectsDesign, implement, monitor and optimize system health through metrics, performance tracking, incident response, and continuous improvement initiativesProvide technical mentorship to engineering team members, conducting code reviews and fostering professional growthCollaborate with other team members to define technical solutions, perform proof of concepts, technical analysis and support decision-making processesDevelop reusable tools and components for horizontal use across applications while enhancing team unity and engineering cultureBenefitsYour teamWe’re team-first. If you believe in the power of collaboration and that the team’s success is your success, then you’re one of us!Fun is fundamental. We believe in forming strong bonds in and outside the office. That’s why we have a team-building budget and organize activities to enjoy ourselves.Positivity wins the day. Bring a positive attitude and communicate openly. Self-awareness and an openness to learn are always a plus.Perks of being one of usFull-time, permanent contractFlexible time off, no blackout dates, plus your birthday, Christmas’ Eve and New Year’s Eve offRemote workFlextime (7 – 9:30 a.m. / 3:30 – 7:30 p.m)Free Friday afternoons (a 7-hour workday!) + 35-hour week in July and August (free afternoons here we come!)Enhanced career path designed just for youExternal training budgetWe celebrate all company landmarksSounds good? Apply now! We’re looking forward to getting to know you.LocationYou'll have the flexibility to choose whether you'd like to come to the office every day, from time to time, or work fully remote. We want you to find the best combination for you.If you prefer to be surrounded with amazing people, our exceptional office is in Barcelona’s Blue Building, located right on the city's seafront. Besides our stunning views, you’ll enjoy our office perks such as free fruit, snacks, and coffee and you’ll also be able to take part in our Mario Kart and table tennis competitions.