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Senior Fullstack Software Engineer, EU

📍 Estonia📂 Engineering📅 Posted Oct 14, 2025
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Lightspark is building the open payment protocol for the Internet making money move like data: instantly, globally, and without friction. With enterprise tools like Grid, Node, and Spark, businesses can send and receive money instantly, securely, and at a fraction of the cost, anytime, anywhere. Lightspark is headquartered in Los Angeles, California, but serves the world.

At Lightspark, we are pioneering the future of payments by leveraging the Bitcoin network and diving deep into the capabilities of the Lightning Network. Our mission is to build a secure and robust payment infrastructure that bridges the gap between traditional finance and cryptocurrency. This role sits within Striga, a Lightspark company, based in Tallinn, Estonia. Together, we’re building Lightspark’s European payments platform — connecting fiat and crypto rails to enable faster, more efficient money movement across borders

We are seeking a senior fullstack engineer who thrives in entrepreneurial environments, enjoys writing and shipping code fast, and can help us build out a great culture of engineering excellence. As a member of our Lightspark Payments Europe team, your primary responsibilities will include designing, leading and building the user experience for our enterprise product, creating and automating our Connect SDKs, and developing new features for our APIs and websites.

What you will be doing

What we are looking for


Lightspark is on a mission to build an open payment protocol for the Internet at scale and therefore we’re committed to creating a more inclusive and diverse workplace to reflect the customers we serve. We welcome interest from individuals of all backgrounds and levels of experience who share our mission. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or other applicable legally protected characteristics. 

We will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of the State of California Fair Chance Initiative for Hiring.


Apply at Lightspark