Senior Backend Engineer |12mth FTC|

  • Category: IT Engineer & Developer Jobs
  • Location: London, England
  • Job Type: Full Time / Part Time
  • Salary: Estimated: $ 24K to 34K
  • Published on: 2025/09/21

Craft:
Technology & Development

Job Description:
Senior Backend Engineer (12mth FTC)

Purpose of role

We are looking for 4x Backend Engineers each working with one of our existing live games, where you will contribute to an essential 12-month project focused on enhancing the security frameworks of our games. This project also aims to fortify our products, which serve hundreds of millions of players.

In this project, you will primarily work with one of our live games and collaborate with colleagues from other teams. The project will span a larger portion of our systems, providing a great opportunity to learn about and improve our technology.

For the time being, we’re offering 4x roles each on a fixed-term 12-month contract, but we value great talent! If you enjoy working with us during this period, we would be delighted to explore the possibility of finding a permanent role for you in our company. ​

Your role within the Kingdom

As​ ​part​ ​of​ ​the​ ​development​ ​team,​ ​you​ ​will​ ​enjoy​ ​a​ ​creative,​ ​challenging​, ​and​ ​collaborative environment​ ​where​ ​your​ ​ideas​ ​will​ ​be​ ​every​ ​bit​ ​as​ ​valued​ ​as​ ​your​ ​programming​ ​expertise.

Key Responsibilities
• Design,​ ​architect, ​and​ ​implement​ ​server​ ​features​ ​required​ ​to​ ​support​ ​new​ ​game functionality,​ ​platform​ ​enhancements,​ ​and​ operations.
• Ensure security, high performance, reliability, and scalability of the backend infrastructure.
• Deliver​ ​code​ ​of​ ​the​ ​highest​ ​quality​ ​through​ ​good​ ​design.
• Attention​ ​to​ ​detail​ ​and​ ​system​ ​testing​ ​on​ a ​timely​ ​basis.
• Share​ ​knowledge​ ​and​ ​help​ ​colleagues​ ​both​ ​inside​ ​and​ ​outside​ ​of​ ​your​ ​team.
• Comfortable​ ​working​ ​on​ ​a​ ​live​ ​game​ ​product​ ​with​ ​millions​ ​of​ ​users​ ​every​ ​day.

Skills to create thrills

You​ ​have​ ​a​ ​strong​ ​passion​ ​for​ ​building ​backend technologies that serve millions of users every day.​ ​​​You are a good​ ​communicator,​ ​happy​ ​to​ ​work​ ​with​ ​people​ ​from​ ​several​ ​different​ ​business​ ​units. ​​​You are excited​ ​about​ ​doing​ ​what’s​ ​best​ ​for​ ​the​ ​game,​ ​and​ ​adaptable​ ​enough​ ​to​ ​work​ ​on​ ​different​ ​things as​ ​the​ ​game​ ​moves​ ​between​ ​phases.

Experience
• Strong​ ​experience​ ​with​ ​Java,​ ​databases​ ​and​ ​caching.
• Experience in Web Development, preferably with React.
• Experience working with platform security and secrets management.
• Experience working in a cloud-based environment, preferably with Google Cloud Platform.

Knowledge & Skills
• Knowledge and experience in CI/CD, test automation, CloudBees, Gradle and related technologies.
• Understanding of concurrency, scalability, and the challenges of large-scale systems.
• Bonus points: knowledge or experience with SonarQube

Key Attributes
• Strong interpersonal and communication skills, and the ability to work well in a team.
• Hard-working and strive to deliver.
• Fluent in English.

About King

At King, we're Making the World Playful. Heard of Candy Crush? We're the creators behind it. With game studios in Stockholm, Malmö, London, Barcelona and Berlin, and offices in Dublin, San Francisco, New York, and Malta, we have a 20-year history of delivering some of the world's most iconic games in the mobile gaming industry and are on a mission to level-up the little moments for our more than 200 million active monthly users. But we aren't just crushing it with candies, we're also behind Farm Heroes, Bubble Witch, Pet Rescue and loads of other sweet games. As a leading interactive entertainment company for the mobile world, King is part of Activision Blizzard, which was acquired by Microsoft.

A Great Saga Needs All Sorts of Heroes

King strives to be a place where everyone can be their most authentic self. We recognize that diversity, equity and inclusion is a vital and continuous conversation, and that change only happens when we all come together. It’s our mission to build a diverse and inclusive Kingdom for our people, players, and community.

Making the World Playful

Making the World Playful is our mission – it’s the thread that connects our people, our players, and our passion for our games. Let’s face it, who doesn’t love a bit of fun?

Kingsters are seriously playful: creative thinkers who balance art and science to bring moments of magic to millions daily. But our players aren’t the only ones that can level-up. We’re always looking for ways to champion each other and make what’s already great, even better.

So, if this feels like a fun way to spend your days, and you share our passion, our values, and our hunger to shape the future, join us in Making the World Playful.

Applications need to be in English.
Discover King at careers.king.com


Company Name: King

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