Fullstack Developer - Development Services

1 Month ago • 3-5 Years • Full Stack Development • Backend Development

Job Summary

Job Description

King seeks a Full-Stack Developer with a strong front-end focus to join their Development Services team in Barcelona. The role involves building user-friendly tools for Player Support agents, optimizing across the full stack (primarily front-end), and delivering clean, scalable code. Responsibilities include developing front-end centric tools, optimizing across the stack, writing well-documented code, collaborating effectively within a team, and striving for mastery in front-end development. The ideal candidate will possess expertise in JavaScript, TypeScript, Node.js, Java, and experience with backend development, legacy code modernization, and build tools like Gradle. A user-centric mindset and experience with agile methodologies are highly valued.
Must have:
  • Strong front-end skills (JavaScript, TypeScript, Node.js)
  • Backend proficiency (Java, RESTful APIs)
  • Legacy code modernization experience
  • Full-stack development experience
  • Agile methodology familiarity
Good to have:
  • NoSQL database experience
  • Big Data or scalable cloud computing experience
  • Python, C++, or other language skills

Job Details

Craft:

Technology & Development

Job Description:

We’re on the lookout for a Full-Stack Developer with a strong focus on front-end skills to join our Development Services organization. In this role, you'll work directly with our Innovation and Development team to create powerful, user-friendly tools for Player Support and its agents, ensuring the highest quality customer-centered support for our players.

This role will suit a mid-level developer comfortable with both front-end and back-end work, but with an extra emphasis on front-end capabilities. We need someone great at crafting responsive, seamless user interfaces and who also isn’t afraid to dive into different coding languages and technologies as needed. The ideal candidate has a blend of practical experience and a willingness to tackle unfamiliar challenges.

We’re after someone versatile and adaptable, ready to create new tools from scratch and capable of delivering code that is both high-scale and real-time. You’ll be part of a team committed to ideating and executing impactful improvements, implementing tools that enhance team capacity, shorten delivery times, and reduce costs.

If you’re motivated by continuous learning, take pride in building solutions that make a difference, and can thrive in a demanding, professional team, we’d love to hear from you.

Your role within our Kingdom:

  • Develop Front-End-Centric Tools: Build engaging, high-quality tools that prioritize usability, focusing especially on Player Support and empowering agents to deliver a top-notch player experience.

  • Optimize Across the Stack: While front-end work is primary, contribute across both client and server sides to resolve operational inefficiencies and modernize legacy code, ensuring long-term sustainability.

  • Deliver Clean, Well-Structured Code: Produce robust, well-documented code, adhering to best practices for scalability and maintainability.

  • Knowledge Sharing and Collaboration: Actively share insights and learn from diverse projects in a highly collaborative, open environment.

  • Commit to Mastery: Strive to be a leading expert in your areas of focus, especially front-end development, while staying versatile and adaptable.

  • Build Scalable, Reusable Tools: Design and maintain scalable, data-driven tools that are built to last, with a focus on reusable components to serve Development Services and other departments.

Skills to create thrills:

Knowledge & Skills:

  • Front-End Expertise: Strong skills in JavaScript, TypeScript, and Node.js for creating responsive, user-friendly interfaces that prioritize a seamless user experience.

  • Back-End Proficiency: Solid experience in backend development, particularly with Java for building and maintaining RESTful web services and JSON-RPC APIs.

  • Adaptability with Legacy Code: Comfortable tackling and modernizing legacy code, ensuring it meets current standards in maintainability and efficiency.

  • Full-Stack Savvy: Experience across both client-side and server-side development, giving you a holistic view of application architecture and functionality.

  • Build Tools: Proficiency with Gradle or similar build systems.

  • UNIX Familiarity: Comfortable working in UNIX environments, with strong command-line skills.

  • Computer Science Fundamentals: Solid understanding of core principles, including design patterns, object-oriented programming, concurrency, and scalability.

Key Attributes:

  • User-Centric Mindset: A deep focus on usability, maintainability, and quality, creating tools that last and grow with user needs.

  • Perspective on UX: Ability to empathize with the end user, building UIs that make workflows simpler, faster, and more intuitive.

Nice to Have:

  • Data and Scalability: Experience with NoSQL databases, Big Data, or scalable cloud computing infrastructures.

  • Agile Enthusiast: Experience working in an Agile environment or a genuine interest in agile methodologies.

  • Additional Language Skills: Familiarity with Python, C++, or other programming languages is a plus.

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

Similar Jobs

Bally's Interactive - Senior QA

Bally's Interactive

London, England, United Kingdom (On-Site)
4 Months ago
Social Discovery Group - Senior Frontend Developer

Social Discovery Group

Georgia (Remote)
2 Months ago
Interactive Brokers - Senior Software Engineer - Java Fullstack

Interactive Brokers

Mumbai, Maharashtra, India (Hybrid)
5 Months ago
Scale AI - QA Engineer, Generative AI

Scale AI

Argentina (On-Site)
5 Months ago
ComeOn Group - Norwegian / Swedish Speaking CRM Manager

ComeOn Group

England, United Kingdom (Hybrid)
2 Months ago
Rebellion - JavaScript Developer

Rebellion

United Kingdom (Hybrid)
9 Months ago
ION - Internship - Software Engineers/Developers - Italy

ION

Pisa, Tuscany, Italy (On-Site)
5 Months ago
Niantic - Senior Software Engineer, Security

Niantic

Zürich, Zurich, Switzerland (Hybrid)
6 Months ago
Toptracer - Software Engineer

Toptracer

Stockholm, Stockholm County, Sweden (Hybrid)
2 Months ago

Get notifed when new similar jobs are uploaded

Similar Skill Jobs

NVIDIA - Senior Synthesis Flow Development Engineer

NVIDIA

Santa Clara, California, United States (On-Site)
2 Weeks ago
Next Level Business Services - Mobile Architect(Native Mobile Apps)

Next Level Business Services

Philadelphia, Pennsylvania, United States (On-Site)
5 Months ago
Hasbro - Manager, UX Design

Hasbro

Renton, Washington, United States (On-Site)
1 Month ago
Canva - Senior Software Engineer - Video Export (Fullstack)

Canva

Auckland, Auckland, New Zealand (Remote)
3 Weeks ago
Evolution - JavaScript / TypeScript Engineer (React)

Evolution

Tallinn, Harju County, Estonia (On-Site)
1 Month ago
Myntra - Senior Data Engineer

Myntra

Bengaluru, Karnataka, India (On-Site)
5 Months ago
CloudHire - Full Stack Developer - Angular & Node

CloudHire

Mumbai, Maharashtra, India (Remote)
5 Months ago
Energy Aspects - Senior Frontend Engineer

Energy Aspects

Kolkata, West Bengal, India (On-Site)
6 Months ago
CloudHire - Senior Web Developer

CloudHire

Maharashtra, India (Remote)
2 Months ago
Betsoft Gaming - Front-End Web Developer

Betsoft Gaming

(Remote)
4 Months ago

Get notifed when new similar jobs are uploaded

Jobs in Barcelona, Catalonia, Spain

Anchor Point Studios - Senior Gameplay Programmer

Anchor Point Studios

Barcelona, Catalonia, Spain (Remote)
1 Month ago
Scopely - Head of Workplace & Facilities, EMEA

Scopely

Spain (On-Site)
5 Months ago
PwC - Deals | Senior Transaction Services Financiero (FIG)

PwC

Madrid, Community Of Madrid, Spain (On-Site)
5 Months ago
2K - Senior Core Engineer

2K

Valencia, Valencian Community, Spain (On-Site)
8 Months ago
Nagarro - Associate Staff Consultant, Support Sales & Marketing

Nagarro

Spain (Remote)
5 Months ago
Saber Interactive - Senior Game Designer

Saber Interactive

Madrid, Community Of Madrid, Spain (Hybrid)
1 Month ago
PwC - Real Estate Technical Consultant

PwC

Madrid, Community Of Madrid, Spain (On-Site)
2 Weeks ago
Evolution - Game Presenter (Online Croupier) - Dutch Speaking

Evolution

Madrid, Community Of Madrid, Spain (On-Site)
6 Months ago
Hasbro - Value-Added Services & Safety Supervisor

Hasbro

Valencia, Valencian Community, Spain (On-Site)
1 Month ago

Get notifed when new similar jobs are uploaded

Full Stack Development Jobs

Patterned Learning Career - Senior Full Stack Developer

Patterned Learning Career

(Remote)
1 Month ago
Meta - Production Engineering

Meta

New York, New York, United States (On-Site)
4 Months ago
Patterned Learning Career - Senior Full Stack Software Engineer (Remote)

Patterned Learning Career

(Remote)
1 Month ago
Bohemia Interactive - Senior Programmer (Full Stack)

Bohemia Interactive

Prague, Prague, Czechia (On-Site)
1 Month ago
Visa - Software Engineer - Full Stack

Visa

Warsaw, Masovian Voivodeship, Poland (Hybrid)
5 Months ago
Netflix - Software Engineer (L5), Ads Identity Graph

Netflix

New York, New York, United States (On-Site)
1 Month ago
Shaadi - Senior Software Engineer Node.js

Shaadi

Maharashtra, India (On-Site)
6 Months ago
Warner Bros Games - Staff Software Engineer

Warner Bros Games

Bellevue, Washington, United States (Hybrid)
2 Months ago
Google - Senior Software Engineer, Machine Learning, Google Cloud Compute

Google

Kirkland, Washington, United States (On-Site)
4 Months ago
Google - Software Engineer, PhD, Early Career, Campus, Systems and Infrastructure, 2025 Start

Google

Mountain View, California, United States (On-Site)
4 Months ago

Get notifed when new similar jobs are uploaded

About The Company

At King, we’re Making the World Playful. Heard of Candy Crush? We’re the creators behind it and loads of other sweet games like Farm Heroes.

Los Angeles, California, United States (Hybrid)

New York, New York, United States (Hybrid)

New York, New York, United States (Hybrid)

California, United States (Hybrid)

California, United States (Hybrid)

San Francisco, California, United States (Hybrid)

San Francisco, California, United States (Hybrid)

London, England, United Kingdom (On-Site)

View All Jobs

Get notified when new jobs are added by King

Level Up Your Career in Game Development!

Transform Your Passion into Profession with Our Comprehensive Courses for Aspiring Game Developers.

Job Common Plug