Head of Core Services

Fintech Payments

This will be compensated via “START-UP EQUITY ONLY” currently no salary is offered.

About CardAlpha

CardAlpha is an early stage fintech start-up, currently under development, to meet financial needs of SME businesses. CardAlpha is in a pre-revenue stage and is based at Level 39, the fintech accelerator at Canary Wharf, London. CardAlpha will enable small businesses to accept card payments, hold business funds securely in a digital account, make payments via electronic transfers and a business debit card. SMEs transacting on the CardAlpha platform will also access business loans, at competitive rates based on their transaction history and credit bureau records.

Job Summary

We are looking for a Head of Core Services/Fullstack Developer to help with building CardAlpha’s mission critical systems.


  • Translating business requirements to technical specifications.
  • Designing and developing microservices as per business requirements
  • Participating in regular code reviews
  • Collaborating with the team on new conventions, libraries, tools and technologies
  • Reporting progress of tasks undertaken to team members everyday


  • Excellent understanding of SQL and ORM tools such as GORM
  • Strong understanding of software development and ability to apply this knowledge to various programming languages – we are using mostly Golang but the environment is polyglot
  • Experience with GRPC and Protocol Buffers
  • Experience with scalable APIs and microservices
  • Exceptional problem-solving and communication skills
  • Ability to work remotely and autonomously
  • Familiarity with unit testing frameworks and test driven development
  • Familiarity with git
  • Familiarity with docker and kubernetes

Nice to have(s)

  • Golang
  • IOS development experince with Swift
  • Basic HTML and JS experience
  • Experience building solutions for cloud-based environments (e.g. GCP)
  • Advanced understanding of Kubernetes and GKE
  • Team management experience
  • An entrepreneurial spirit

Head of Core Services will be a member of the founding team and is expected to initially contribute 60-80 hours in a month and will be compensated via “START-UP EQUITY ONLY”. The contribution and role may potentially change to a full time position with normal working hours and incremental benefits, post later stage funding and full commercial rollout of CardAlpha.

Job Type: Part-time


  • GRPC and Protocol Buffers: 1 year (Required)
  • Kubernetes: 1 year (Preferred)
  • Html5: 1 year (Preferred)
  • Docker: 1 year (Preferred)
  • Go: 1 year (Preferred)
  • Software Development: 5 years (Required)
  • Javascript: 1 year (Preferred)
  • Swift: 1 year (Preferred)
  • Microservices: 1 year (Required)
  • Sql: 5 years (Required)
  • GKE: 1 year (Preferred)
  • Team Management: 1 year (Preferred)