Jumia in Porto At Jumia Porto Tech Center we boast over 16 different nationalities. We have around 350 employees from several business areas, from IT, to Finance, to HR. The IT team represents 75% of it, so as you can see we are a major tech company, and as a Tech company, we share an innovative spirit. At Jumia PTC you will work under the most updated technologies and work methodologies. We are great fans of Agile philosophy and we aim to keep things simple but smart. Also, for Jumia, technology relates with improvement for our world. We see technology as something we need to put purpose into. Our mission is to leverage technology to improve everyday life in Africa and we do it by delivering convenient and affordable online services to consumers, helping them fulfill basic everyday needs. And while we're present in Africa, we get to take African economy online, helping small and large businesses grow and reach new consumers. This is what drives our day to day decisions. :) We are looking for great people to join our amazing teams and celebrate our achievements. At Jumia we work hard, but we do Tech With Purpose! Are you eager to work in a great team and share knowledge? Do you like problem analysis and solving? Do you have a solution oriented and proactive attitude? Jumia Porto Tech Center is for you!We are looking for the greatest Principal Engineers, to reinforce our teams of technical experts. We currently have open positions to work on Payment, Search, Shop, Vendor Management and Jumia Food. What you will be doing Be part of the Jumia Engineering team and shape the long-term technology vision and strategy aligning with the company's objectives Be a role model for the Jumia Values Work effectively cross-functionally and with the leadership, leveraging data and metrics to identify new opportunities for existing and new projects and features Define architectural standards and guidelines across company in collaboration with the Technical Advisory Group, Directors of Engineering and Platform teams Arbitrate on technical decisions within your scope Define Operational Excellence KPIs and standards, and partner with Directors of Engineering to ensure highly performant solutions are developed and continuously improved Drive performance and efficiency improvements across Jumia's platform, leading initiatives in load testing, performance tuning, and capacity planning Ensure comprehensive documentation of system architecture, design decisions, and operational procedures. Mentor and develop Principal and Staff Engineers, fostering a culture of technical excellence and continuous learning Ensure system reliability and compliance Find a group of humble and intelligent people ready to make you grow and to grow with you Change the Internet landscape in Africa and the World through your team What we are looking for At least 3-5 years of experience working as a Principal Engineer - experience as an individual contributor working with agile methodologies and with experience architecting and running large-scale tier 1 systems Expertise in designing and implementing complex system architectures, with a focus on scalability, reliability, and maintainability Strong working experience with Java and web frameworks (preferably Spring), with exposure to multiple programming languages Experience with event-driven architectures and tools for queueing and streaming (preferably Apache Kafka) Experienced working with large-scale Databases (SQL and NoSQL), with a good understanding of data modelling and optimization Experience with containerization (preferably Docker) and orchestration (Kubernetes) Strong black box test Automation experience is a plus Experience designing and developing platforms built for scale is a plus A proactive challenger mindset: if there's room for improvement, you'll say it A solver mindset: when there is a will, there is a way A strong business sense - you understand the impact of your work The ability to be autonomous and to own your decisions The ambition to grow the company and within the company Full professional English proficiency
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