Madrid. Open to international candidates (100% remote).
Salary ranges €40k to €50k for medior and €50k to €65k for senior.

We are looking for a Software Engineer to help us take our investment platform to the next level, building new cool features and expanding our product to new countries and reach hundreds of thousands of users.

About Ninety Nine

Ninety Nine is a fintech scale up with a mission of improving peoples’ relationships with money. We do this by offering an easy to use, affordable and ethical investing platform. We put our clients’ interest as the cornerstone of our decision making process.

We write a lot about what we love about investing, so check out our blog if you want some more information about us. 

About the role

We are looking for a Medior or Senior Backend Engineer to participate in the development, ownership and delivery of the systems that contain the secret sauce of Ninety Nine: a bunch of highly available microservices with the business logic and connections to mobile apps and partners to offer a kick-ass international stock trading app.

What you will be doing

Positions requirements

About Ninety Nine Tech Team

We are a scaleup that aims to create a great engineering culture based on respect, collaboration, diversity, personal growth and engineering best practices. We are big fans of continuous integration, monitoring and automated testing, and all our infrastructure is either serverless or runs on containers.

We strive to create secure, scalable and performant services and mobile apps to allow the company to iterate fast on snappy product features and at the same time keep the data of our users and partners secured.

Our stack is mainly Kotlin, MongoDB and Swift, but we are looking for people with good software engineering foundations rather than experts in a single technology.

And we really are Agile, not a superficial implementation, but a deep, company-wide iterative mindset.

You can find more info about what we do (and how) in our Product and Tech blog.

About our Backend team

The Backend team (currently 5 people) is in charge of implementing the APIs powering our Android and iOS apps, and connecting the services that expose them to our various financing and stock trading partners (custodian banks, brokers, identity verifiers, etc) in a way that is secure and scalable.

We currently have an architecture based on Kotlin/Spring microservices on top of MongoDB running on AWS/ECS (considering moving to K8s in the future), plus some managed services of different kinds providing everything else we need to run (RDS, Lambdas, SNS, SQS, ElastiCache, etc) and integrate with our partners (trading brokers, stock entities and others that allow us to do business!). We have kept escalation and simplicity in mind since day 1 – we aim to be able to handle hundreds of thousands of users and millions of daily transactions across different regions with highly available systems maintained by just a few engineers. As a stock trader accepting payments and sending transactions to the markets, the stability, integrity, performance and security of our systems is critical both to our users and the company.

We are currently expanding the team and creating subteams focusing on specific areas of backend:

Working at Ninety Nine

We believe that building a diverse and inclusive team is critical to Ninety Nine success. We do not discriminate on the basis of race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status. 

We offer:

How to apply

Please send us an email including your LinkedIn profile or CV and we will be in touch:

Good Luck! We hope to be learning and working with you soon!

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