Server Engineer, Nomad

Nomad eSIM, powered by LotusFlare, is transforming how the world connects through best-in-class eSIM technology. We're looking for a performance-driven server engineer to scale our product and stack globally.

You’ll set the blueprint in the Xi'an, our key R&D site. You will be responsible for the system development, stack building and campaign support globally. This role sits at the heart of Nomad’s stack building and solution providing.

Overview:

As a Software Engineer within our Server Engineering team, you will work collaboratively with the Dev team as well as the Mobile Operators to help build network stacks to support millions of users. You come from a systems 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.

Responsibilities:

We've developed a platform that integrates with mobile client-side libraries 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.

Requirements:

• BA/BS in Computer Science or related technical field or equivalent practical experience;

• 1-5 years of work experience, including programming experience in Node.js and Java;

• 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 AWS, Ansible, Kafka, and Spark would be a plus.

Why Join Us

Nomad eSIM, backed by LotusFlare, is reimagining mobile connectivity for the modern, global consumer. Whether you're a digital nomad, a business traveler, or a family on the move, Nomad eSIM provides affordable, seamless eSIM access in 200+ destinations worldwide.

As part of LotusFlare’s global ecosystem, you’ll join a company that supports top-tier communications service providers (CSPs) like Deutsche Telekom, Globe Telecom, T-Mobile, and Singtel. LotusFlare’s cloud-native Digital Network Operator® (DNO™) Cloud platform empowers CSPs to efficiently monetize their network assets.

With headquarters in Silicon Valley and offices across Europe and Asia, we’re building a global-first, high-performance team. This role is your chance to lead regional growth, influence global strategy, and help define how millions of people stay connected around the world.

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