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Senior Software Engineer- Angular

Entain

Sofia, Sofia-Capital, Bulgaria permanent

Posted: April 17, 2026

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Quick Summary

Design, develop and maintain high-quality software features with guidance from senior engineers, while ensuring seamless integration with our cutting-edge technology stack.

Job Description

Sports betting, gaming and interactive entertainment is changing, and we’re leading that change. By putting people first. By placing exciting, engaging and entertaining experiences at more fingertips than ever before. We're pulling into pole position by pushing boundaries further. With innovation. With technology. But most importantly, with people like you. Because when you join Entain, it’s your game. So let’s win together.

As a Senior Software Engineer, you will be responsible for designing, developing, deploying, and maintaining medium to high complexity features, with guidance from more seasoned engineers. 

Reporting to the Engineering Manager, you'll be part of the Product & Technology Team, ensuring systematic and efficient development through all stages of the Software Development Lifecycle.

Are you ready to be a part of our journey delivering excellence and collaborating with one of the world's biggest online gaming and entertainment groups?

What you will do

• Develop and deliver well-defined, moderately complex features.
• Debug and resolve issues across development, testing, and production environments.
• Write high-quality, scalable, and reusable code following best practices.
• Manage team meetings and RFC processes for proposing changes and improvements.
• Act as the initial on-call responder for team-managed software.
• Collaborate with team members, support new junior engineers, and mentor Software Engineers.
• Participate in hiring, prioritize intra-team initiatives, and contribute to process improvements.

• Proficient in TypeScript, adept at navigating event loop blocking in JavaScript.
• Expert comprehension of Angular and its core design principles; proficient in HTML/CSS, with additional knowledge of CSS pre-processors is a plus.
• Expertise with Angular CLI, Nx and modern build tooling for efficient development workflows.
• Good understanding of memory management and performance optimization.
• Deep understanding of advanced programming concepts (SOLID, OOPs, Functional), design patterns, and architectural principles.

At Entain, we know that signing top players requires a great starting package, and plenty of support to inspire peak performance. Join us, and a competitive salary is just the beginning.

Depending on your role and location, you can expect to receive benefits like

• Group Bonus Plan
• Private Medical Insurance – Personal Cover
• Food vouchers – 150 BGN per month 
• Dental Allowance – 200 BGN per year, 100 BGN during probation 
• Annual Holiday – 25 days annually, plus local public holidays 
• Additional ‘It’s Your Game’ day off 
• Entain & Enhance days – 2 paid days off to focus on your professional or personal development 
• Volunteering (2 additional days)
• Life Insurance
• Personal Disability Insurance
• Critical Illness Insurance
• Multi-Sport Card – Self Contribution 
• Hybrid working – 2+ days in the office per week 
• Christmas bonus
• Transport cost assistance
• Utilities cost assistance
• Sharesave Scheme 
• Paid subscription to the mental wellbeing app Unmind 
• Amazing social events and Christmas party 

And outside of this, you’ll have the chance to turn recognition from leaders and colleagues into amazing prizes, join a winning team of talented people and be a part of an inclusive and supporting community where everyone is celebrated for being themselves.

Should you need any adjustments or accommodations to the recruitment process, at either application or interview, please contact us.

Equal Opportunities.

If you need any reasonable adjustments at any stage of the recruitment process, please contact us and we'll support you.

We're committed to creating a diverse, equitable and inclusive workplace where everyone feels valued, respected and able to be themselves.

We're an equal opportunities employer. We welcome applications from everyone and we do not discriminate based on race, colour, nationality, ethnic or national origin, religion or belief, sex, gender identity or expression, sexual orientation, age, disability, marital or civil partnership status, pregnancy or maternity, or any other status protected by law.

We comply with all applicable recruitment regulations and employment laws in the jurisdictions where we operate, ensuring ethical and compliant hiring practices globally.

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