Senior Java Engineer / Architect


Full-time Porto, Portugal


Savvy Mobility, a product by Losch Digital Lab S.à r.l., is a state-of-the-art On Demand Mobility Platform for cities and operators to run flexible transport. Savvy is the main initiative of Losch Group in Luxembourg to provide technology for pooled and sustainable transport.
Our IT and project team is in Luxembourg and Oporto and manages hundreds of vehicles for clients throughout Europe.


What is the role
• Develop and maintain our core backend system in a leading capacity
• Take ownership of core features and implement architecture choices of our backend
• Translate clients’ requests into tangible features of our SaaS platform
• Engage with key accounts on major rollouts, analyse their needs, and coordinate with the team regarding necessary development
• Be the main person of contact internally regarding the backend
• Mentor junior developers and evangelize good practises

Who you are
• You have 5+ years of experience as a backend developer
• You have 2+ years of experience in a technical lead role
• You have worked for a SaaS company or technology start-up
• You bring a solid understanding of software architecture
• You are an expert of rest APIs, Java, and SQL
• Your natural focus falls on clean code and automated testing
• Having strong project management skills, you are a team worker with excellent interpersonal and communication skills
• You are fluent in English
• Any other European language is a further plus

What you will be working on
The Savvy backend is the Java server application. It handles communication between other services in our SaaS platform (Optimization Engine, GIS server, Driver App, Rider App, and Admin UI), manages the Postgres database, and implements the core functionality and customer specific business logic.
The backend has a layered architecture with clear separation of concerns, a focus on clean code and automated tests and has been developed following software development best practices over the last four years.

We use the following technologies, working knowledge of which is valued but not required if you have transferable skills and are eager to learn:
• Infrastructure: Docker, Gitlab, Ansible
• Frameworks / tools: Play Framework, Spring boot, Ebean
• Dev environment: Linux, IntelliJ, Git
• Frontend: Typescript, React, React Native, Android, Kotlin.

What is Savvy?
Savvy is all about pooling and our mission make sure that no vehicle runs emptier than it should. For that we have built a turnkey software to run demand-responsive transport consisting of a powerful real-time booking and dispatching algorithm, a versatile passenger app, an intuitive driver app, a configurable admin panel backend for operators and dispatchers, as well as a web-booking frontend.

At Savvy, we are driven by the following values:
Sustainability: United in our passion for innovative technology, we work for a more sustainable world and an efficient and inclusive use of resources in transport
Respect: We live a culture of mutual respect and tolerance at the workplace
Communication: We overcommunicate and actively ask for information and constructive feedback. This is how we get most out of a diverse, international and partially remote team
Team: When we succeed, we do so as team and when we fail, we fail as a team. But we embrace failure as a part of innovation and always strive to learn together
Success: Our effort goes into making our clients successful through our solutions as the best guarantee of our own success. We celebrate every success
Efficiency: As a company providing state-of-the-art optimisation, we strive to continuously improve the cost basis of our solutions and apply synergies with partners where possible. We ensure no vehicle runs emptier than it should.

What do we offer
• You will have a unique possibility to shape the future of mobility and become a crucial part in how Savvy contributes to it
• Our team is small but talented where everybody has an important degree of responsibility while colleagues are always approachable to help out
• We invest in our team members’ growth with a dedicated training budget for skills to remain state-of-the-art and your curiosity served
• We hold regular in person workshops and team activities to nurture our company culture across the different locations of the team
• We provide clear career paths and define challenging yet feasible goals that will allow you to grow into your next professional role
• Competitive salary and flexible employment in Kockelscheuer (LU), Oporto (PT) and the option to work remotely.

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