Senior Blockchain Engineer (Java/C++) REMOTE

  • Location

    San Francisco

  • Sector:

    Software Engineering, Blockchain & Fintech

  • Salary:

    Circa $150,000-$300,000

  • Contact:

    Jason Rumney

  • Contact email:


  • Job ref:

    AAJR 9283ee

  • Consultant:

    Jason Rumney

A fast-growing Blockchain company based in San Francisco are growing their engineering team.


Who you will work with:


You will be working with a team that has a profound impact at the crossroads of blockchain and capital markets infrastructure. Building world-class disruptive technologies require vision, persistence, innovation, and a deep belief that nothing is impossible. Join this proven and successful management team in executing one of the most ambitious global projects in the blockchain space.


If you have a strong passion for blockchain and cryptocurrencies, as well as a desire to do something that has never been done before but still solves specific problems in the largest markets in the world and delivers real product with a real revenue model please get in touch


  • At least 5 years of hands-on experience in core Java and/or C++ (Java as priority but ideally both)

  • Hands-on experience with developing on at least one backend blockchain codebase, whether proprietary (e.g., Chain) or open source (e.g., Hyperledger) -- not just building apps on top

  • Strong understanding of the cryptographic principles and data dependencies underpinning blockchain technologies

  • Experience and understanding of major consensus protocols, asymmetric encryption, Merkle trees, hash functions, key-value database, P2P communication protocols

  • Experience and understanding of transaction scripting and smart contracts, especially Bitcoin-style conditionalized transactions  

  • Understanding of key areas of Blockchain research including data privacy, confidential transactions, side chains and pegging, sharding and other scaling methodologies

  • Strong sense of ownership, passion to build quality products for massive scale in collaborative, agile environment


Additional Experience:

  • A degree in Computer Science / Mathematics or equivalent work experience in a field utilizing the same subject matter

  • 5+ years of development experience developing production grade, multi-threaded, enterprise client/server software using Java stack.

  • Experience contributing to the architecture, design, and implementation of Blockchain technologies like Chain, Corda and Hyperledger

  • Understanding of microservices architecture

  • Recognized expertise in blockchain applications as evidenced by industry participation, publications and/or awards

  • Detailed and verifiable understanding of blockchain architectures including detailed knowledge of how various blockchain platforms differ.

  • Experience with consensus protocols in commonly used languages such as C, C++, Java

  • Experience in building distributed databases, networking protocols, or large-scale transaction systems

  • Experience developing large scale, highly available distributed systems and protocol design

  • Strong knowledge of data structures, algorithms, operating systems, and distributed systems fundamentals.

  • Strong understanding of databases, NoSQL systems, storage and distributed persistence technologies.


Whats on offer:

  • The excitement and fulfilment of solving the biggest problems in the largest markets for top global clients using real blockchain technology

  • Very competitive salary and equity in a well-funded and high growth startup backed by prominent investors

  • Substantial career opportunities and upside to match your passion for what we do

  • 401K plan

  • Excellent medical, dental and vision insurance coverage

  • Unlimited vacation time

  • Ambitious company culture

  • San Francisco is the preferred work location, but open to remote