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: 

Design and implement the backend infrastructure from scratch for the YAYZY mobile app and B2B APIs. You would lead all aspects of backed development, grow the team, mentor others and champion best design and security practices. 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, hands on solutions architect and backend lead 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 features and further the company goal 

  • Design and implement the architecture of the application following best practices and standards 

  • Assesses projects security and update or replace unsecure dependencies and/or fix the vulnerabilities 

  • Build reusable code and libraries for future use. 

  • Maintain, fix and debug the current codebase. 

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

  • Scale the dev team and dev processes 

  • Write test documentation covering written code 

  • Train and mentor other team members, review code, champion best practices and security standards 


What it takes: 

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

  • You have excellent knowledge of security frameworks and best practices 

  • You have experience designing backend infrastructure  

  • 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 

  • SCRUM/Agile development proficiency 

  • 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 


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  

  • Opportunity to own the YAYZY backend and build your own team  



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 

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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.