Software Engineer - UI

1 Month ago • 3 Years + • Frontend Development

Job Summary

Job Description

Atomic Theory seeks a talented UI Engineer to implement and maintain robust UI systems for immersive player experiences. Responsibilities include collaborating with cross-functional teams, debugging and resolving technical challenges, writing clean and optimized code for UI features, screens, menus, and HUDs. The role requires 3 days a week onsite in Cardiff, UK, with remote work options for the remaining days. Ideal candidates possess 3+ years of game engine programming experience (Unity, Unreal, or similar), strong C++/C# skills, and proven UI system design and implementation abilities. The position demands strong problem-solving, communication, and collaboration skills.
Must have:
  • 3+ years game engine programming experience (Unity, Unreal)
  • Strong C++/C# skills and solid math foundations
  • Proven ability to design, implement, and maintain UI systems
  • Strong problem-solving and debugging skills
  • Effective communication and collaboration skills
Good to have:
  • Shipped game experience as an engineer
  • Experience owning impactful game feature implementation
  • Experience with large-scale projects and team collaboration
  • Developed and shipped UI features in a released product
Perks:
  • Hybrid working arrangement (3 days onsite, 2 days remote)
  • Competitive salary and benefits package
  • Private pension, optional medical/dental/vision coverage
  • Annual leave, bank holidays, winter break office closure
  • Annual research credit for professional development
  • Biannual reviews and opportunities for collaboration
  • Flexible working environment, no crunch time
  • 6 weeks of parental leave
  • Weekly team lunches, snacks, fully equipped team lounge

Job Details

Please note that this is a hybrid position based in Cardiff, requiring 3 days onsite each week, with the option for remote work on the remaining days.


Part of the Rocket Science Group, Atomic Theory comprises a multinational team of seasoned AAA veterans with roots extending from Blizzard, PUBG, Epic, and Unity. We have a track record of delivering player-centric, AAA-quality experiences, and we're unwavering in our commitment to performance, accessibility, and the meticulous attention to the engineering tools and frameworks that underpin exceptional gameplay.


But Atomic Theory is more than just a studio; for us, it's a sanctuary, a place where our diverse experiences intersect and combine to carry our solutions to the next level. We are dedicated to helping studios and publishers navigate the toughest challenges across today's game development landscape. With offices in Albany, NY; Austin, TX; and Cardiff, UK, we thrive on the opportunity to Get Sh!t Done on a global scale.

ABOUT THE ROLE:


We are looking for a talented and experienced UI Engineer to join our team. In this role, you will be responsible for implementing and evolving robust technical solutions to deliver quality user experiences with our partners, enabling players worldwide. You will craft smooth interactions that empower all types of players to deeply engage with games.

WHAT YOU’LL DO:

  • User Interface Development: Implement and maintain robust UI systems for impactful and immersive player experiences.

  • Collaboration: Work closely with cross-functional teams to gather feedback and improve user interface designs.

  • Problem-Solving: Debug and resolve technical challenges efficiently to maintain the quality and performance of UI systems.

  • Code Maintenance: Write clean, maintainable, and optimized code for UI features, screens, menus, and HUDs.


WHAT WE VALUE:

  • Game Development Experience: 3+ years of programming experience with game engines (e.g., Unity, Unreal, or proprietary systems).

  • Technical Proficiency: Strong C++/C# skills and solid math foundations.

  • UI System Expertise: Proven ability to design, implement, and maintain UI systems in game environments.

  • Problem-Solving Skills: Strong critical thinking and debugging skills.

  • Communication Skills: Ability to collaborate and communicate effectively with internal and external teams.

  • Self-Motivation: Capacity for self-motivation, independent work, and maintaining a strong work ethic.

  • Adaptability: Willingness to receive and act on constructive feedback.


WHAT YOU MAY ALSO HAVE:

  • Shipped Game Experience: Previous experience contributing to one or more shipped titles as an engineer.

  • Feature Ownership: Experience owning the implementation of impactful game features.

  • Team Collaboration: Experience working with larger teams and contributing to large-scale projects.

  • UI Implementation: Developed and shipped UI features, screens, menus, or HUDs in a released product.



WHAT WE CAN OFFER:

  • Hybrid Working Arrangement: Our office in Cardiff is located right in the City Centre, just a couple minutes away from the Cardiff Central Train Station! As a member of our team, you’ll have the flexibility to work at home and collaborate with your fellow engineers in person.

  • Competitive Salary and Benefits Package: Your health and wellbeing is important to us, so we offer a variety of benefits including: 

    • Private Pension via Salary Sacrifice

    • Optional Private Medical, Dental, and Vision Coverage

    • Annual Leave, Plus Bank Holidays and Winter Break Office Closure

  • Annual Research Credit: We always encourage personal growth, so we provide all of our team members with an annual credit to further enhance your skills! 

  • Professional Development: We offer biannual reviews, as well as opportunities to collaborate across disciplines, internal tech talks, and the chance to learn from specialists with backgrounds from across the games and software development industries. 

  • Work-Life Balance: We really believe that home life comes first and we promote a flexible working environment. And as an added bonus: We don’t crunch! 

  • Family Friendly: We understand the importance of family, which is why we offer 6 weeks full of Maternity, Paternity, and Adoption Leave to support you during this exciting time!

  • Office Perks: In addition to everything above, we also provide: 

    • Weekly Team Lunches

    • Snacks, Including the Good (Yorkshire) Tea

    • Fully Equipped Team Lounge, Including our Favourite Consoles and Games

    • And, most importantly, a supportive and creative working environment made up of talented and friendly people, as well as the opportunity to work on some pretty cool games and projects – if we do say so ourselves!

A FRIENDLY NOTE FROM THE RECRUITMENT TEAM:

Let us do the work for you: Even if your profile isn’t an exact match for all of the qualifications listed above, we still want you to apply. Our team members come from a variety of different industries, not all of which are immediately relevant to game or software development, and we welcome all candidates of similarly varied backgrounds, communities, and identities. 


Rocket Science is an equal opportunity employer and is committed to providing a worry-free workplace void of discrimination or harassment. Rocket Scientists are expected to foster and champion an environment in which everyone has the opportunity to feel included and is afforded the respect and dignity they deserve. 

Rocket Science does not accept unsolicited résumés from recruiters, employment agencies, or staffing firms.  

#li-hybrid

Similar Jobs

Escape Velocity Entertainment - Senior Technical Animator (Cosmetics)

Escape Velocity Entertainment

(Remote)
3 Weeks ago
31st Union - Senior Concept Artist

31st Union

San Mateo, California, United States (On-Site)
3 Weeks ago
Ember Lab - Rigger

Ember Lab

(Remote)
6 Days ago
Keen Software House - Senior Render Programmer

Keen Software House

Prague, Prague, Czechia (Remote)
2 Months ago
Tesla - Senior Cell Mechanical Design Engineer

Tesla

Brandenburg, Germany (On-Site)
2 Months ago
Hero Gaming - Senior Frontend Developer

Hero Gaming

Malmö, Skåne County, Sweden (Hybrid)
7 Months ago
Netflix - UI Engineer (L4/L5) - Enablement Apps

Netflix

Warsaw, Masovian Voivodeship, Poland (On-Site)
2 Months ago
Canva - Backend Software Engineer - Product Quality

Canva

Surry Hills, New South Wales, Australia (Remote)
1 Month ago
Overwolf - Team Lead Software Engineer

Overwolf

Ramat Gan, Tel Aviv District, Israel (On-Site)
8 Months ago
Canva - Senior Software Engineer - Video Export (Fullstack)

Canva

Auckland, Auckland, New Zealand (Remote)
1 Month ago

Get notifed when new similar jobs are uploaded

Similar Skill Jobs

STAGE - Unity Developer (Remote)

STAGE

(Remote)
3 Years ago
Netflix - Data Scientist (L5) - Cloud Games Quality of Experience

Netflix

United States (Remote)
2 Weeks ago
Ubisoft - Technical Animation Director

Ubisoft

Montreal, Quebec, Canada (Hybrid)
1 Month ago
Build A Rocket Boy - Principal Engineer

Build A Rocket Boy

(Remote)
2 Months ago
PinPin teams - Stage Game Designer / System Designer - Mobile

PinPin teams

Paris, Île-de-France, France (On-Site)
1 Month ago
Extreme Inc. - 3D Designer (Effects)

Extreme Inc.

Tokyo, Japan (Hybrid)
1 Day ago
Welevel - Senior Cloth Artist

Welevel

Munich, Bavaria, Germany (On-Site)
2 Months ago
Old Skull Games - Lead Programmer Unreal

Old Skull Games

France (On-Site)
9 Months ago
Inworld AI - Senior C++ Developer - Canada

Inworld AI

Vancouver, British Columbia, Canada (On-Site)
6 Months ago
Life church - Senior Quality Engineer

Life church

Edmond, Oklahoma, United States (On-Site)
6 Months ago

Get notifed when new similar jobs are uploaded

Jobs in Wales, United Kingdom

Whatnot - Strategy & Operations Manager, International Commerce

Whatnot

London, England, United Kingdom (On-Site)
1 Day ago
FlawlessAi - Director Of Product Engineering

FlawlessAi

London, England, United Kingdom (Hybrid)
3 Weeks ago
Jane Street - Quantitative Trader

Jane Street

London, England, United Kingdom (On-Site)
6 Hours ago
Fuse Games - Marketing Producer

Fuse Games

Guildford, England, United Kingdom (Hybrid)
1 Month ago
Kwalee - Senior Ad Monetisation Analyst

Kwalee

Royal Leamington Spa, England, United Kingdom (On-Site)
1 Month ago
Meta - Software Engineer, Product

Meta

London, England, United Kingdom (On-Site)
5 Months ago
Highspot - Implementation Manager, EMEA

Highspot

London, England, United Kingdom (On-Site)
1 Month ago
Cloud Imperium Games - Content Producer

Cloud Imperium Games

Manchester, England, United Kingdom (On-Site)
1 Week ago
Workato - Group Product Manager (Copilots)

Workato

London, England, United Kingdom (On-Site)
6 Hours ago
Lighthouse Games - Services Engineer

Lighthouse Games

Royal Leamington Spa, England, United Kingdom (Hybrid)
1 Day ago

Get notifed when new similar jobs are uploaded

Frontend Development Jobs

Canva - Software Engineer Internship (Frontend / Backend)

Canva

Sydney, New South Wales, Australia (Remote)
3 Weeks ago
Canva - Senior Frontend Software Engineer - AI Help Platform

Canva

Sydney, New South Wales, Australia (Remote)
2 Weeks ago
Canva - Engineering Manager (BE) - Content Management & Distribution

Canva

Auckland, Auckland, New Zealand (Remote)
1 Week ago
undefined - Software Engineer, Site

United States (Remote)
6 Months ago
Canva - Senior Frontend Engineer - Apps API Platform

Canva

Sydney, New South Wales, Australia (Remote)
1 Month ago
N-iX - Senior React Engineer

N-iX

Poland (Hybrid)
2 Weeks ago
undefined - Senior Customer Success Engineer, West

United States (Remote)
6 Months ago
VPlayed - Roku TV Developer

VPlayed

Chennai, Tamil Nadu, India (Hybrid)
9 Months ago
1047 Games - Fullstack Engineer

1047 Games

(Remote)
2 Months ago
Animoca Brands - Frontend Developer

Animoca Brands

Philippines (Remote)
7 Months ago

Get notifed when new similar jobs are uploaded

About The Company

You know us already. We're the team (behind the team) behind many of the world's hottest games. We specialize in multiplayer, publishing platforms, server scaling, and player retention.

Wales, United Kingdom (Hybrid)

Brighton And Hove, England, United Kingdom (Hybrid)

Wales, United Kingdom (Hybrid)

Wales, United Kingdom (Hybrid)

Albany, New York, United States (Hybrid)

Cardiff, Wales, United Kingdom (Hybrid)

Cardiff, Wales, United Kingdom (Hybrid)

Cardiff, Wales, United Kingdom (Hybrid)

Cardiff, Wales, United Kingdom (Hybrid)

Wales, United Kingdom (Hybrid)

View All Jobs

Get notified when new jobs are added by Rocket Science

Level Up Your Career in Game Development!

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

Job Common Plug