You'll be working for: 

A London based, well-funded, ventured backed fintech using open banking and cutting-edge tech to promote sustainability and help you put climate action on autopilot with your spending and investments. We’ve been featured in numerous leading publications including TechCrunch, Business Insider, etc, selected as App of the Day by Apple, #4 Product of the Day on ProductHunt, and are growing rapidly. 


Your mission:

Help build the backend from scratch, maintain and extend the existing projects for the YAYZY mobile app. As an early member of the team, you would have significant influence over how the product shapes and help us grow the tech team.  


What the company wants:

A superstar Senior Backend Developer with excellent knowledge of backend security. If you love dipping your fingers in different technologies, are genuinely motivated to create incredible experiences and are an empathic problem solver with tons of backend development experience, we’d love to speak with you. It’s important you can work autonomously, set your own schedule and are excited about helping us scale rapidly. 


You will:

  • Work directly with the leadership to build great products and further the company goal 

  • Help build the backend from the ground up, keeping best security practices in mind 

  • Assesses projects security and update and/or fix the vulnerabilities. 

  • Learn about and champion best practices in code, architecture & processes 

  • Improve and extend the overall architecture of the application, following best practices and standards. 

  • Build reusable code and libraries for future use. 

  • Maintain, fix and debug the codebase. 

  • Apply your expertise to many interesting technical problems, propose solutions and improvements. 

  • Write tests and documentation covering written code. 


What it takes:

  • 4+ years of experience working on the backend of technology products  

  • You have excellent knowledge of security frameworks and best practices 

  • A product mindset, you care about customer outcomes, and want to build products that solve problems 

  • Ownership, independence and proactivity 

  • Intense curiosity and eagerness to learn 

  • Team player, proactive about supporting other team members 

  • Experience working for a fintech and passion for sustainability is a big plus 

  • Experience working with remote teams is a big plus 



Tech requirements:

  • JS ES6 

  • AWS services (especially Lambda, DynamoDB, API Gateway, Cognito) 

  • Node.js 

  • Source control and versioning: Git 

  • Experience working with Test Driven Development (TDD) 


Very good to have: 

  • Unit Testing 

  • Express.js 

  • AWS Amplify 

  • Docker 

  • SQL 

  • Linux/Unix 

  • Continuous Integration /Continuous Delivery  


Nice to have:  

  • Python 

  • Postgres 

  • MongoDB 

  • Azure 

  • React Native / Expo 


What you'll get:

  • Work closely with the YAYZY’s founding team 

  • Excellent employee first culture  

  • Competitive salary 

  • Equity Option 

  • Full remote flexibility 

  • Significant influence on the product 

  • Great colleagues from diverse cultural backgrounds  



We’re building a collaborative culture of inspiration, action, integrity and technological innovation. We will listen to you and we want you to grow and develop with us. 


Mail your interest to 

download on app store@2x.png
  • Facebook
  • Instagram
  • Twitter

Contact us:

Copyright © 2019 YAYZY Limited. Registered in England and Wales, no.12272318,

with a registered office at 2 Minster Court, City of London, EC3R 7BB, London, UK.