As a Senior Software Engineer, you will be part of one of our autonomous agile teams. You will help us develop the services that power the Blacklane, work on improving our back-office system, or solve problems around our products which allow business partners to integrate with the Blacklane platform. Our environment is composed of Ruby, Go, Typescript and Java services, designed using DDD. These services are deployed to our Kubernetes cluster and communicate via domain events using SQS and Kafka. We use diverse data storage technologies such as Postgres, MySQL, Elasticsearch, Redis, and DynamoDB. As for infrastructure and cloud resources, we predominantly use AWS and manage provisioning through Terraform. YOUR CHALLENGE: Tackling unique challenges to tailor our products to specific markets. Upholding high standards through comprehensive test coverage, documentation, code reviews, and knowledge sharing. Investing time in optimizing the performance, usability, and maintainability of the systems under your care. Committing to personal growth by learning new skills and technologies. Contributing to a motivated, open-minded, and collaborative team focused on enhancing our guests' travel experiences. ABOUT YOU: You are proactive, curious, and a team player. You are experienced (at least 5 years) with two or more programming languages. You have knowledge and experience (at least 5 years) with at least one of these languages: Ruby, Go You're familiar with the HTTP protocol and have some experience with using and/or developing REST APIs. You write quality code, maintainable and follow best practices. You are familiar with at least some of the challenges of distributed systems. You are not scared of working on an existing codebase. You have experience with or want to learn more about Event-driven architecture and domain driven design. You have experience with Docker and containerized environments. Knowledge of Kubernetes and Terraform is a plus. About Blacklane Our mission is simple but powerful: to become the world’s leading premium, global chauffeur service. Operating in 50 countries, we reimagine chauffeur-driven rides by prioritizing reliability, innovation, and first-class service at every step. Blacklane is also at the forefront of sustainable mobility efforts, continuously working to reduce our operational impact on the planet. Our Company Culture Blacklane has grown from a two-person startup in Berlin to a global team of over 300 people representing 54 nationalities. Powered by our commitment to care, inclusion, innovation, and collaboration, we support employees through initiatives like Employee Resource Groups (ERGs), mentorship programs, and more. Here are just a few examples of the ERGs fostering connection: LGBTQIA Network – Advocating for inclusivity and championing allyship. Bookclub – Encouraging cultural exchange, fostering discussion, critical thinking, and team engagement through shared reading and analysis. Blacklane Cares Leave – Spend up to eight paid hours annually volunteering for causes meaningful to you. We welcome—and actively support—employees to create or join the communities that are important to them. ✨ Why join Blacklane? At Blacklane, our Compensation and Benefits strategies are designed to be fair and market-aligned. We combine base salary with variable elements and long-term incentives as part of our overall rewards framework. All employees participate in our company-wide Virtual Stock Option Plan (VSOP), sharing in Blacklane’s long-term success. In addition, we offer a benefits package tailored to each location, supporting health, wellbeing, time off, learning, and local needs. Some of the benefits for this role and country include: Local perks – Spain (Barcelona) 100% employer-paid health insurance for you and your dependents 28 vacation days per year, increasing with tenure ️ 60€ / month Glovo budget for meals Your Mental and Physical Health → No compromise with Nilo and Wellhub Monthly home office allowance to support remote work setup Continuous learning & certified coaching Weekly co‑working space access in Barcelona Fair pay and shared success through our VSOP program Mystery Rides: Quarterly Voucher to enjoy personal trips around the world with Blacklane and experience our service from a guest’s perspective. Do you have any questions or want to know more about our way of working? Feel free to contact us. We’re happy to connect! We place great value on equal opportunities. Therefore, we welcome everyone to apply! Curious to see us in action? Let’s go! → Watch us on Amazon Prime → Listen to our CEO in Startup insider episode 1643 → Blacklane is backed by investors who share our vision: Mercedes-Benz Mobility, Tasaru, Sixt, the Al Fahim Group, Alstin Capital, RI Digital Ventures, and b2venture