Principal Java/Kotlin Engineer

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We strongly encourage people of colour, lesbian, gay, bisexual, transgender, queer and non-binary people, veterans, parents, and individuals with disabilities to apply. Bumble is an equal opportunity employer and welcomes everyone to our team. If you need reasonable adjustments at any point in the application or interview process, please let us know.

In your application, please feel free to note which pronouns you use (For example - she/her/hers, he/him/his, they/them/theirs, etc).

We have a really exciting opportunity for an experienced Java/Kotlin Developer to join us and help in the ongoing development of our large-scale backend and it's modernisation. This role will be focused on backend coding, database design, architecture design from top level to service level and will require your participation in the development process from design through to deployment and support.

Our current backend operation is huge, it serves around 70k rps across our datacenters and we have thousands of servers executing different roles. Several hundreds of those serve requests coming from our 600m global users. 

Our goal is to have a flexible platform, services and applications, enabling us to serve our existing products and build new ones.

Key accountabilities

Participate in global application layer design and architecture

Architect, design and build Kotlin applications which serve millions of our users daily

Build tools that improve the developer experience of Bumble engineers

Work with service-owning teams to help them operate their applications in production using the tools and platform

Analyse performance characteristics of the parts of our system and improve them

We are growing fast so we expect you to mentor less experienced engineers

Experience we are looking for

Experienced and current Java/Kotlin developer

Proven experience in building and operating scalable distributed services for real-world use cases

A deep understanding of concurrency, resiliency, caching, HTTP

Experience working with microservices and an understanding of both pros and cons of monolithic vs. microservice architectures

Experience splitting a large monolithic codebase into smaller services

Familiarity with Kubernetes, Kafka, Docker, circuit breaker, Prometheus, TeamCity, DDD etc 

Experience handling time-sensitive and/or large data sets

Experience in relational databases and SQL, preferably MySQL

Experience in PHP is a plus, or being comfortable with learning PHP in order to read the existing codebase or even modify occasionally, while the role itself is focused on Kotlin development.

About you

You are comfortable in a fast-paced environment where you communicate daily with world-class talent from our global teams

You are positive and committed with a 'can-do' attitude and a flexible approach

You are a problem solver and a forward thinker

You are a self-starter: you thrive on taking ownership of initiatives with limited oversight

You have excellent time management and you know how to manage multiple priorities, breaking large projects into manageable pieces

You have great communication skills, both verbal and written

You are deeply passionate about Bumble's brand vision and values: kindness, growth, respect, accountability, courage and equality

With over 600 staff in 10+ countries all working remotely during the time of COVID-19, we've worked hard to adapt and support our teams during this challenging time, including:

* Flexible working hours

* Streaming free, live yoga & meditation sessions each week, as well as a full weekly timetable of free online exercise classes

* ‘Random Coffee' - connecting staff across the globe in pairs once a week to get to know each other over a video chat

* ‘First Fridays' - meal delivery for a remote lunch with your team once a month

* Employee Support Fund for those whose households are experiencing financial hardship due to COVID-19

* Written resources to guide employees through this challenging time

* You will also be taken through a fully digital onboarding process!

About Bumble: Bumble is the parent company that operates Badoo and Bumble, two of the world's largest dating and connection apps with millions of users globally. The Bumble app was founded by CEO Whitney Wolfe Herd in 2014. Bumble is majority-owned by Blackstone and has over 600 employees in offices in Austin, London, and Moscow.