Core Engineer

Sorry, this job was removed at 08:10 a.m. (CST) on Thursday, Aug 28, 2025
Easy Apply
Be an Early Applicant
Valencia, Comunidad Valenciana
Hybrid
Gaming • Information Technology • Mobile • Software • Esports
2K develops and publishes interactive entertainment for video game consoles, personal computers, and mobile devices.
The Role

WE ARE GAMEMAKERS

Who We Are:

We are a diverse team of developers driven by a passion for our art, united by our core values and inspired by a culture of inclusivity to build amazing games that thrill players everywhere. We pursue growth and innovation in an environment of safety and trust. Our culture is built on the belief that the more varied voices in our collective will strengthen our team and our games.  We are looking for our next teammate who will raise our bar and make us better.

Who You Are:

31st Union is looking for a Core Engineer that can own major runtime systems – designing and implementing performant and maintainable solutions for our AAA multiplatform title. You will be able to solve challenging problems presented by multiplatform AAA games in a collaborative and creative work environment. You will have the opportunity to collaborate with a globally distributed team, enhance performance workflow, and utilize tools to accelerate feature implementation.

Responsibilities:

  • Write clean, maintainable, performant code
  • Work with content and engineering partners to identify problems and validate solutions
  • Factor development efforts into prioritized tasks
  • Map the limitations of existing solutions and identify new solutions where required
  • Profile, optimize, configure and tune for multiple platforms
  • Help triage build and productivity blockers

Required Qualifications:

  • 3+ years of programming experience on commercial software projects is required
  • Fluency in C/C++, multithreading, 3d math, and memory systems is required
  • Ability to debug and optimize complex systems is required
  • Ability to work independently and efficiently is required
  • Experience shipping AAA game titles is strongly desired
  • Functional knowledge of PS5, Xbox Series X/S, IOS and Android development tools is strongly desired
  • Experience with Unreal Engine 4/5 is a plus
  • Experience with production graphics pipelines is a plus
  • Able to work and communicate in proficient English

SECURITY NOTICE -  We have recently been made aware of increasing occurrences of bad actors posing as company HR personnel to gain information from "potential candidates", in the form of job interviews and offers. These scams can be quite sophisticated and appear legitimate.

Please know that 31st Union and 2K never uses instant messaging apps to contact prospective employees or to conduct interviews.

If you believe you have been a victim of such a scam, you may fill out a complaint form at https://complaint.ic3.gov/ and https://reportfraud.ftc.gov/ detailing as much as possible. We are taking these matters very seriously and apologize for any inconvenience.

Join our mission: Bring fun, inspiration and awe to our lives and to our community: https://thirtyfirstunion.com/values

31st Union prides itself on the diversity of its team members, partners, and communities.  For this reason, we remain committed to providing equal employment opportunity in all aspects of the employment relationship, from recruitment and hiring through compensation, benefits, discipline and termination.  This means that employment at 31st Union depends on your substantive ability, objective qualifications and work ethic – not on your age, race (including traits historically associated with race, including, but not limited to, hair texture and protective hairstyles), height, weight, religion, creed, color, national origin, ancestry, sex, sexual orientation, gender (including gender identity and expression), alienage or citizenship status, transgender, military or veteran status, physical or mental disability (actual or perceived), medical condition, AIDS/HIV, denial of family and medical care leave, genetic information, predisposition or carrier status, pregnancy status, childbirth, breastfeeding (or related medical conditions), marital status or registered domestic partner status, political activity or affiliation, status as a victim of domestic violence, sexual assault or stalking, arrest record, or taking or requesting statutorily protected leaves, or any other classification protected by federal, state, or local laws.

As an equal opportunity employer, we are also committed to ensuring that qualified individuals with disabilities are provided reasonable accommodation(s) to participate in the job application and/or interview process, to perform their essential job functions, and to receive other benefits and privileges of employment.  Please contact us if you need to request a reasonable accommodation.

#LI-Onsite
#LI-JR1


What the Team is Saying

Similar Jobs

2K Logo 2K

Lead Concept Artist

Gaming • Information Technology • Mobile • Software • Esports
Hybrid
Valencia, Comunidad Valenciana, ESP
3505 Employees
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Novato, CA
3,505 Employees
Year Founded: 2005

What We Do

2K is headquartered in Novato, California and is a wholly owned label of Take-Two Interactive Software, Inc. (NASDAQ: TTWO). Founded in 2005, 2K Games is a global video game company, publishing titles developed by some of the most influential game development studios in the world. Our studios responsible for developing 2K’s portfolio of world-class games across multiple platforms, include Visual Concepts, Firaxis, Hangar 13, CatDaddy, Cloud Chamber, 31st Union, and HB Studios. Our portfolio of titles is expanding due to our global strategic plan, building and acquiring exciting studios whose content continues to inspire all of us! 2K publishes titles in today’s most popular gaming genres, including sports, shooters, action, role-playing, strategy, casual, and family entertainment.

Our team of engineers, marketers, artists, writers, data scientists, producers, thinkers and doers, are the professional publishing stewards of our growing library of critically-acclaimed franchises such as NBA 2K, 2K PGA, Battleborn, BioShock, Borderlands, The Quarry, The Darkness, Mafia, Sid Meier’s Civilization, Marvel’s Midnight Suns, WWE 2K, and XCOM.

At 2K, we pride ourselves on creating an inclusive work environment, which means encouraging our teams to Come as You Are and do your best work! We encourage ALL applicants to explore our global positions, even if they don’t meet every requirement for the role. If you're interested in the job and think you have what it takes to work at 2K, we encourage you to apply!

Why Work With Us

We pride ourselves on creating an inclusive work environment, which means encouraging our teams to Come as You Are and do your best work! We push ourselves creatively to do the best work of our careers. We’re direct, open, and you’ll probably meet some new best friends – along with their dogs – sitting nearby. In short, it’s kinda awesome.

Gallery

Gallery

2K Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

We are a blend of onsite, hybrid, and remote roles. Please refer to individual job descriptions for more details on location.

Typical time on-site: Flexible
Company Office Image
HQNovato, CA
SG
Agoura Hills, CA
Company Office Image
Austin, TX
Brighton, GB
Brno, CZ
Burnaby, British Columbia
Company Office Image
Dublin, Ireland
Foothill Ranch, CA
Hanyang, KR
Kirkland, WA
Las Vegas, NV
London, GB
Madrid, Spain
Montréal, CA
München, DE
Paris, FR
Sparks Glencoe, MD
Sydney, Australia
Tokyo, JP
Valencia, Spain
Company Office Image
Vancouver, British Columbia
Learn more

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account