Senior Software Engineer - Signing Cryptography

Senior Software Engineer - Signing Cryptography

Tel-Aviv / working from home - hybrid mode. We are looking for a Senior Software Engineer to join our growing Signing Cryptography Engineering team. The team is responsible for building the most important part of cryptocurrency handling - the transaction signing and securing. Our challenges include enterprise-grade security, scalability, reliability, cryptography, availability, etc. We take pride in continuous innovation, high performance, effective mentoring/coaching, multi-disciplinary collaboration and the authentic application of lean/agile methods.  

About Paxos

Paxos is on a mission to enable the movement of any asset, any time, in a trustworthy way. Today’s financial infrastructure is archaic, expensive, inefficient and risky - supporting a system that leaves out more people than it lets in. So we’re rebuilding it.  As a regulated blockchain infrastructure company, we use technology to tokenize, custody, trade, and settle assets for enterprise clients like PayPal, Bank of America, and Interactive Brokers. Paxos is a top-funded blockchain company, with more than $500 million in total funding from leading investors like OakHC/FT, Founders Fund, PayPal Ventures, and Declaration Partners. Together, we empower today’s financial leaders to build a more open, trusted economy.

As a Senior Software Engineer, you'll get to:

• Design and implement high quality software from concept through to launch - taking ownership of design, coding, testing and deployment of key proprietary software components of our crypto-brokerage platform.
• Apply engineering best-practices including unit and integration testing, source code version control, agile planning/estimation
• Lead code reviews, advocate for higher quality and engineering efficiency and help onboard new members into your team
• Immerse yourself in blockchain technology, cryptocurrency for enterprises and investors, our regulation-first approach, and more!

Your experience should include:

• 5+ years of software development experience, including at least one of the following: Golang, Kotlin, Rust, Java, C++.
• Strong computer science and programming fundamentals (data structures, algorithms)

You might also have:

• Mastery of core engineering concepts including data structures, design best practices, run-time optimizations, and algorithmic complexity 
• Able to apply both OO and functional style to coding
• Solid understanding of concepts like load balancing, HA/failover, ingress, inter-service communications in a microservices style cluster, idempotence, ACID, guaranteed delivery, etc.
• Technical expert in at least one domain like Financial Systems, Distributed Systems, Cryptography, AI/ML algorithm implementation 
• Can understand and articulate the architecture of an entire system, including the technical trade-offs between different design implementations of high performance, low latency systems
• Familiar with web application architectures and infrastructures, including clustering (Kubernetes), containerizing (Docker), message queuing (MQ / Kafka), telemetry/instrumentation (Prometheus/Grafana), etc. 
• Eager to work openly and collaboratively with a diverse multi-disciplinary team, collaborating effectively with stakeholders
• Constantly seeks to learn new technologies, innovate and discover better ways to solve engineering challenges of high performance trading systems and APIs, including performance tuning, latency optimizations and constant new development of APIs

 

What you’ll love about Paxos:

Paxos has consistently been recognized on the Forbes Fintech 50, CB Insights Blockchain 50 and Built In’s “Best Places to Work” lists. Paxonians have significant ownership and impact on our business, as well as benefits like company equity, family leave, a quarterly stipend for development, a stipend for home office setup and unlimited PTO. From team product demos and virtual lounge and learns to care packages and an active Slack #shoutouts channel, there are countless opportunities to connect and make your mark. Help us continue to build a new, open financial system from one of our three offices or right from your home!