Back-End Software Engineer

at  LotusFlare Inc

LotusFlare is a provider of cloud-native SaaS products based in the heart of Silicon Valley. Founded by the team that helped Facebook reach over one billion users, LotusFlare was founded to make affordable mobile communications available to everyone on Earth.
Today, LotusFlare focuses on designing, building, and continuously evolving a digital commerce and monetization platform that delivers valuable outcomes for enterprises. Our platform, Digital Network Operator® (DNO™) Cloud, is licensed to telecommunications services providers and supports millions of customers globally.
LotusFlare has also designed and built the leading eSIM travel product - Nomad. Nomad provides global travelers with high-speed, affordable data connectivity in over 190 countries. Nomad is available as an iOS or Android app or via getnomad.app.
Our office is located in the vibrant area of Krakow, at Aleja Pokoju 18. We offer a dynamic hybrid work model, encouraging you to join us in the office to collaborate, connect, and contribute to our team’s success.

SUMMARY:

As a Software Engineer within our Server Engineering team, you will work collaboratively with the engineering team as well as the Mobile Operator to help build a network stack to support millions of users. You come from a system or development background (or are comfortable in both areas). You are self-directed and have the ability to track solutions from design through implementation, owning every step along the way. We strive for a deep understanding of the core technologies that are being used while building redundancy and establishing best practices.

REQUIREMENTS:

• 3+ years of work experience, including programming experience in Java/ any JVM language / PHP / C++ / Scala/ Lua
• BA/BS in Computer Science or related technical field is a must
• 3+ years of experience building secure scalable web services
• Experience with distributed systems
• Experience with RESTful services
• Good understanding of network stack and HTTP protocol
• Experience with concurrency, multithreading, or asynchronous programming
• Understanding of data modeling in SQL and/or NoSQL environment
• Experience with (any combination of) AWS, Redis, Kafka and Cassandra would be a plus

We’ve developed a platform that integrates with mobile client side library and apps along with mobile network carrier systems. The Server Engineer would be responsible for further developing, securing, and scaling the backend infrastructure to support the platform in order to handle millions of concurrent API calls.