Senior Software Engineer, Blockchain

Post Date:
Job Type:
Full time
New York / Working from home (Covid-19)

Join us as we revolutionize the loyalty economy by bringing the benefits of financial markets to the loyalty industry. We are building the world’s first market venue for issuance and trading of standardized loyalty (frequent flier) points/miles, enabling the creation of financial instruments backed by loyalty point portfolios. Through financial innovation that is supported by tried-and-tested market infrastructure and technology, ACE aims to revolutionize the loyalty economy and unlock more than $1 trillion in value that is currently untapped.

 About You

You are a talented Java and/or fullstack developer with experience in enterprise finance solutions, AWS and Blockchain (Hyperledger Fabric is a big plus). You have likely worked in the financial industry (and possibly also in the airline/travel industry), building secure and high performing solutions and have DevOps experience. You will contribute to the design, development and support of a full-fledged financial services system utilizing Blockchain. You will collaborate with a team of engineers, QA, UX and customers to create market leading solutions in a startup environment. 


  • Design and deliver high-quality software
  • Build new enterprise-grade backend features
  • Maintain and expand the Blockchain network
  • Engage with the team and customers to provide ad hoc help and support
  • Test the software extensively with the team
  • Collaborate with product, engineering and QA to drive successful product release and adoption


  • You are passionate about building, observing and operating financial systems in production
  • Experience with auto-scaling, infrastructure as code, automated monitoring and reporting
  • Experience developing solutions within cloud computing platforms (AWS, Azure etc) and container orchestration systems (e.g.  Docker, Kubernetes)
  • 4+ years of experience with Java
  • Performance analysis and optimization
  • Designing and implementing APIs

Desired skills & experience

  • Experience using Hyperledger Fabric or similar
  • Configured and deployed enterprise solutions in AWS
  • Familiarity with working in a fast-paced start-up environment 


  • Bachelor's degree in Computer Science (or related field)
  • 4+ years of relevant work experience
  • Expertise in Java, AWS and Blockchain
  • Experience with Agile and continuous delivery methodologies
  • Ability to multitask, organize, and prioritize work


  • Health Insurance
  • Paid Time Off
  • 401K
  • Certifications / training paid for 
  • Flexible Schedule

About ACE

Based in New York City (Manhattan), Affinity Capital Exchange (ACE) is a fintech innovator in the loyalty finance space. ACE aims to revolutionize the loyalty economy by bringing the benefits of financial markets to loyalty in a way that respects the unique needs of the industry. Its technology and market platform will provide new solutions to members, initially focusing on generating collateral and attracting liquidity efficiently. We offer competitive salary, benefits, and equity. 


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