hirly

LNW

Senior Client Developer

Sofia, Bulgaria

See how you match this job — and similar ones. Free.

Upload your resume and hirly scores it against this role at LNW first, then against similar open jobs, and shows where you fit and why.

PDF or DOCX, up to 12MB. No sign-up to see your matches.

Get past the screening software and onto a recruiter's desk

hirly rewrites your resume for this job — matching the keywords and skills in the posting, moving your most relevant experience to the top, and writing a cover letter to fit. About 30 seconds.

  • Keywords matched to this posting
  • Fit score before you apply
  • Cover letter included

Matched against 2.6M live jobs from 210,000+ employers in 200+ countries.

Tailor my resume for this job →

Apply from your AI assistant

Connect hirly to Claude or ChatGPT and ask it to apply to this job. hirly tailors your resume, fills the employer’s form and asks before sending.

Some employer sites stop an application at a CAPTCHA or sign-in and hand it back with a link. Applying needs a paid plan. Works with any assistant that supports MCP.

hirly's read of this role

Role family
Engineering
Seniority
Senior
Country
BG
Work mode
On-site / unstated
First seen by hirly
2 Nov 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

  • iGaming:
  • If it’s iGaming, we know a thing or two. At Light & Wonder, It’s all about the games, and our digital team leads the global iGaming market, providing jaw-dropping content and innovative software that powers the world's most successful online gaming providers.

Position Summary

Light & Wonder is the global leader in cross-platform games and entertainment. The company brings together 5,000 employees from six continents to connect content between land-based and digital channels with unmatched technology and distribution. Guided by a culture that values daring teamwork and creativity, Light & Wonder builds new worlds of play, developing game experiences loved by players around the globe. We create our own award-winning games and also partner with premium licensees such as Netflix, Warner Bros and others to bring franchises like Squid Game, Willy Wonka and The Wizard of Oz to life in online gaming products. The company’s Infinity platform powers the largest digital-gaming network in the industry. Light & Wonder is committed to the highest standards of integrity, from promoting player responsibility to implementing sustainable practices.

Based in our new Sofia office, we are looking for a Senior Client Engineer to join our team. As a Senior Client Engineer at LNW you will work within our development team to create a wide variety of online slot games using our in-house client framework and other in-house development tools. Working with a team of other developers, you will be expected to ensure that the client is delivered on time and to a good quality.

In order to be successful in the role, you must have several years of development experience in a professional setting. You should also have a proven track record of previous leadership. Although you will receive plentiful help from other team members, you should be able to manage your own time and solve problems independently.

Primary Responsibilities:

· Develop new JavaScript casino games alongside other developers

· Lead the game client development, ensuring it is delivered on time and to a high standard

· Integrate art and sounds provided by other members of the team

· Fix any game issues found by our internal quality assurance (QA) team or by external clients

· Hold daily stand ups to share progress with the team working on the game

· Integrate new APIs and modifications provided by our in-house game framework

· Plan the game production in detail prior to starting development

Qualifications:

Education:

· Bachelor's Degree in Computer Science, Computer Engineering or equivalent experience

Required Experience:

· Several years of development experience in a professional setting

· Thorough knowledge of JavaScript and at least one additional programming language

· Basic understanding of web mark-up, including HTML5 and CSS3

· Strong leadership qualities, ideally with experience leading a small team

· Effective communication and interpersonal skills

· Good coding and development practices

Preferred Experience:

· Good knowledge using Typescript and Node.js

· Previous experience working with a game of any kind, particularly gambling games

· Knowledge of a wide range of programming languages

· Experience with agile development working in sprints

· Knowledge of automation tools such as Jenkins

· Hands-on experience with Linux command line tools and using the shell

Qualifications

Original posting on LNW's site ↗

Listed on hirly, a job board. hirly is not the employer: LNW is hiring for this role.

Want this one?

Upload your resume and hirly rewrites it for this job and writes the cover letter — in about thirty seconds, before you sign up.

Tailor my resume for this job