Your Mission As a Lead Backend Engineer at Adsquare, you will individually contribute to our products in a cross-functional squad, while leading and mentoring a small team of backend engineers. Your Profile You like working with people and have experience on a leadership position. You bring excellent communication skills and the willingness to actively mentor your team. You have significant experience with Java or Kotlin. Familiarity with Scala, Python and data pipelines is a big plus. You have significant experience in building rest-full services using Spring Boot. You have significant experience building cloud native solutions in AWS. You have a proven track record of delivering backend heavy software projects from prototype to value generating product. What you will do Lead and mentor a team of 4-5 backend engineers (60%): Build an appreciative and trustworthy connection with each of your team members, fostering their growth and well-being. Respond to - and proactively come up with - technology modernization topics with high level of ownership and focus on outcomes. Drive cross-squad standards (such as API design patterns, Observability, etc) ensuring technical consistency across the organization. Individually contribute with your backend expertise in a cross-functional squad (40%): Design and build scalable solutions based on Spring Boot ecosystem. Design and build highly scalable solutions in AWS and provision them using Terraform. Work closely with data engineers to help them integrate data processing pipelines into our product value chain. Our Software Stack Java and Kotlin, Angular, Spring ( Boot, Config, Cloud), AWS (Batch, Lambda, SQS, SNS, Step functions, API Gateway, …), Terraform, MongoDB, PostgreSQL (and PostGIS), RabbitMQ, Kubernetes, GitLab, Gradle Why us? On top of a competitive package… We are open to flexible work models : we work on a hybrid mode and remotly To encourage education and professional growth, we offer an individual yearly budget of 1.200€ You are entitled to 30 vacation days per year Regular team events and company events organised by our People team (Trust us, they know how to throw a party!) We equip you with the latest hardware and provide you with all the tools you need to thrive About us Adsquare is the global audience & location intelligence company making marketing a whole lot smarter. With eight offices around the world we are a truly international company but one united team working towards our vision: empowering companies to accelerate business growth by staying at the forefront of data-driven marketing. We are pioneers in advertising and data. We were born mobile, before it was a necessity, and have pioneered data-driven advertising in display and now DOOH. We have the smartest people, working with the best tech, so we can drive the pace of change. We are visionaries. We see a better way for marketers and are doing everything we can to make that a reality. We believe in innovation and the power of technology. We believe in constantly improving what we’re doing because the work is never done. We believe in what we do and rise to meet our own high standards. If there’s a problem, we fix it, humbly and without fuss or delay. Although our technology is best-of-breed, we are unassuming and modest in our approach. We are passionately candid, both with each other and with our clients. We take the time to explain our approach to their problem, confident there is nothing to hide. We are consistent and true to our word. We don’t take shortcuts but focus on being our clients’ most reliable partner. We make promises - and we keep them. As a result, clients enjoy spending time with us, because we are good people.