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Paxos // blockchain-powered trust
Engineering, Full Time    New York, London (Open to Remote)    Posted: Saturday, May 01, 2021
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At Paxos, we are creating the infrastructure for a new, open financial system - one that anyone can access & participate in, & that operates efficiently. Join a world-class team using modern high-productivity tools (Golang, Java, AWS EKS Kubernetes, gRPC, AWS KMS Kafka, AWS Aurora, Hashicorp Vault) to build a highly available, scalable, & performant API platform for crypto custody, trading, transfers, tokenization & compliance along with backend systems for securely managing billions of dollars of assets.There are billions of people in the world who are unbanked or underbanked, & trillions of dollars that are locked up because of the inefficiencies of the legacy system. We envision a new system that allows any asset to move instantaneously, anywhere in the world - to unlock the potential of assets & people everywhere. Our customers include some of the biggest enterprises in the world like PayPal, Credit-Suisse & Societe Generale, & together we are upgrading the global financial system using modern blockchain & crypto technology. 

Paxos is looking for Senior Software Engineers to join our Crypto Brokerage Engineering team.

Paxos Crypto Brokerage 

Mainstream financial institutions such as PayPal & Revolut rely on Paxos to bring digital assets to their customers with the apps that they already use. Paxos Crypto Brokerage enables hundreds of millions of consumers  to leverage crypto for investing, commerce & other financial services. The crypto brokerage platform includes custody, stablecoin, electronic trading & exchange services. Compelling engineering challenges arise from continually innovating in a rapidly changing & expanding market, while also delivering extreme scaling, performance & reliability.

Paxos Engineering

Paxos Engineering takes pride in continuous innovation, high performance, effective mentoring/coaching, multi-disciplinary collaboration & the authentic application of lean/agile methods.

Paxos is building an open, accessible financial infrastructure for the future. This is an opportunity to work on something meaningful, with incredible potential for positive social & economic impact.

Core Competencies

  • Strong computer science & programming fundamentals (data structures, algorithms)
  • Mastery of core engineering concepts including data structures, design best practices, run-time optimizations, & algorithmic complexity 
  • Mastery of multiple programming languages, including at least one of Kotlin, Golang, Rust, Java, C++, JavaScript/TypeScript, Python {Custody: put Golang first}
  • Able to apply both OO & 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.
  • UI/UX design & implementation with Node, React, Redux & TypeScript {Senior UX Engineer only}
  • Technical expert in at least one domain like Distributed Systems, Cryptography, Databases, or AWS {Senior only}
  • Can understand & articulate the architecture of an entire system, including the technical trade-offs between different design implementations {Senior only}
  • Familiar with digital-native online web application architectures & infrastructures, including clustering (Kubernetes), containerizing (Docker), message queuing (Kafka), telemetry/instrumentation (Prometheus/Grafana), etc. {Senior only}
  • Eager to work openly & collaboratively with a diverse multi-disciplinary team
  • Collaborate effectively with stakeholders
  • Constantly seeks to learn new technologies, innovate & discover better ways to solve engineering challenges

Key Responsibilities

  • Design & implementation of high quality software from concept through to launch - taking ownership of design, coding, testing & deployment of key proprietary software components of our {Custody: crypto brokerage platforms | Commodities: tokenized commodities platforms | Securities: tokenized securities platforms | Platform/SRE: application infrastructure platforms | Platform/Data: data platforms}
  • Apply engineering best-practices including unit & integration testing, source code version control, agile planning/estimation
  • Effectively resolve ambiguity, analyzing complex requirements & breaking down features & initiatives into tactical tasks
  • Effectively navigate the trade-offs among MVP vs Enterprise-Grade, Time-to-market & in other relevant dimensions {Senior only}
  • Search for the truth in product conceptualization & development, ensuring designs & implementations are fully aligned with the company mission & product goals {Senior only}

Required Experience

  • 4+ years of software development experience
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