Software Engineer (Scala)

Kaizo | Amsterdam

Date listed

10 months ago

Employment Type

Full time



Total Funding

$10.9 billion

Software Engineer (Scala)

What we do

Kaizo aims to actively guide employees towards achieving their goals and making an impact at their companies.

We are building a performance development platform for customer support teams that leverages gamification and AI to improve operational efficiency, elevate teams' performance and retention with actionable goals. We are a product-led, fast-growing SaaS company with a diverse team and a globally active customer base.

  • Kaizo is leveraging gamification and machine learning to make the daily work experience for customer support agents more engaging, fun and productive.
  • We run a microservice-based stream processing platform which processes 200+ million events every day using Akka Streams and Kafka.
  • Those services are deployed to Kubernetes on Google Cloud and feed data into Elasticsearch and Mongodb.
  • Our systems are designed to be reactive, e.g. responsive, resilient, elastic, and message-driven.
  • We are building a realtime Machine Learning engine to continuously adjust the gamification parameters that keep our users motivated and productive.
  • We are always scaling up to handle more data with lower latencies.

Your role in our team

As a Software Engineer, you will be responsible for designing and implementing backend services on existing or new microservices, integrate with third-party APIs, and help run all of this in production. You will work tightly with our front-end developers as well as with our AI Engineers.

You will also be focused on:

  • Developing features in a fast paced startup environment without compromising automated tests or neglecting software craftsmanship.
  • Working on our distributed, real-time engine that handles millions of events per day.
  • Getting our system ready to scale by one order of magnitude.
  • Help the AI team implement distributed machine learning algorithms.

What you bring to the table

  • 2+ years professional experience with Scala.
  • 2+ years experience working with complex data sets in a data driven company.
  • Experiences with stream processing as well as with designing and implementing REST APIs.
  • Diverse technology knowledge and a sense of curiosity combined with strong problem solving skills.
  • Experience with at least some of the technologies used: Akka, Akka-Stream, Akka-Http, Kafka, ElasticSearch, MongoDB.
  • Experience with deploying services to Kubernetes and running software in production on Google Cloud (or AWS/Azure).
  • BS/Masters degree in Computer Science or equivalent experience.
  • A Github or StackOverflow profile is always a good way to impress us; so feel free to include it in your application!

Being part of an early stage startup we sometimes need you to wear multiple hats just to keep things going, hence being a team player is a must have.

What we bring to the table

You will work with some of the best global talent to build a tool used by great companies like Marleyspoon, Footlocker, Soundcloud, Tripaneer or WeTransfer. You will be part of a team of diverse and passionate people with a culture that empowers great work.

We do everything to make sure you feel nourished, motivated, and supported by offering:

  • Teamwork & fun perks when full remote work is required (weekly team games & drinks, morning coffee chats and more).
  • Investment into your personal development using our network of internal and external mentors.
  • New laptop & tools.
  • Free lunch (even while working from home).
  • Flexible working hours and unlimited holiday policy.
  • Workations (2019: Tuscany, 2020: Zoom, 2021: ???).


Apply via the application button.

Agency calls are not appreciated.


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