Full Stack Engineer

IT · London, Greater London
Department IT
Employment Type Permanent
Minimum Experience Mid-level

Full Stack Engineer                       

About Jaja

Jaja is a consumer finance business, launching its first product, a digital credit card, in 2018. Since then it has grown rapidly and has recently completed the acquisition of a £530m credit card portfolio from the Bank of Ireland. 

With backing from several major Private Equity funds, Jaja has an ambitious growth strategy that includes providing consumer finance in partnership with leading consumer brands, with a number of partnerships secured alongside an exciting pipeline of opportunities. 

Jaja is on a mission to redefine the consumer finance experience and liberate customers from needless complexity, wasted time, and frustration. Or as we say it, Make Simple. We will delight our customers – making the customer experience simpler, more enjoyable, more intelligent – treating customers fairly and giving them more control of their money. 

Description of the Business Unit 

The Technology team is responsible for making sure that Jaja customers receive fantastic service in a simple, efficient and effective way. We do this by developing leading edge technology, being knowledgeable about our business, and having a passion for delivering great customer service. We relentlessly look for improvements in the way we run our business. 

  • Jaja operates two client presentation layers through Mobile Native App’s (Kotlin & Swift) and Web Self Service Portals utilising AngularJS
  • We host a microservices architecture build with Java Spring Boot Framework using REST API and Kafka as their communication layers
  • We currently use AWS as a PaaS but run a vendor agnostic core tech platform that is built to be natively multi-cloud
  • Jaja actively runs a CI/CD pipeline to build our docker images that run on our self-scaling Kubernetes clusters
  • We adopt an Agile delivery framework in terms of Scrum with focus on feature delivery teams

Purpose of the Role 

Our Engineers work in squads to support the business by providing best in class technical solutions to ensure that Jaja achieves its ambitious growth strategy. 

What’s the opportunity? 

You will work in a dynamic fast paced environment, delivering a significant change agenda for a business that is shaking up the Consumer Finance industry. Working with a passionate set of colleagues who excel at delivery you will have a varied and interesting portfolio of activity that is not constrained by the status quo. 

Essential skills and Experience 

  • Previous experience in programmes across Banking and/or Financial Services and/or FinTech or E-Commerce
  • Working experience in all standard Technology programme support software and tools including SaaS, Cloud Platforms, AI, Micro Services, App & Infra Architecture, Blockchain, Agile, DevOps – CI, CD, CF, CT.
  • Java Spring Boot Framework using REST API
  • Strong communication and stakeholder management skills.
  • Evidence of delivery and execution focus within a demanding environment whilst managing conflicting priorities.
  • Interface with other departments, regions, vendors, agencies, etc. to resolve technical issues, following up with resolution of problems to ensure timely response.
  • Maintain knowledge of all products and services offered and keep informed of new or changing developments, products, services or ideas which would affect Technology.
  • Champion Technology innovation for smarter ways of working through new tooling concepts aligned to Dev, App/Infra Architecture and Test/QA.

What's in it for you? 

The chance to make a real impact in a growing start-up on a mission to change the face of the consumer finance industry forever. 

Competitive salary


Flexible working 


More exciting benefits you will hear about when we talk 

Thank You

Your application was submitted successfully.

  • Location
    London, Greater London
  • Department
  • Employment Type
  • Minimum Experience