Senior Principal Engineer

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 Principal Engineer, you will autonomously oversees the entire lifecycle of highly complex projects and features, encompassing design, development, and deployment within their team.

Reporting to the Engineering Manager, you will hold the responsibility for meticulous planning and on-schedule delivery within the team, establishing yourself as the go-to for systems, infrastructure, and design decisions. 

Are you ready to join us on our journey to lead the sports betting, gaming, and interactive entertainment industry?

Key Responsibilities:

• Work on Challenge the tech status quo and provides solutions to propose improvements, automation, tech modernization. 
• Enhances architecture and code structure to promote testability and maintainability. 
• Analyzes the broader technical picture, bottlenecks, dependencies, influence and/synergies with other components or parts of the system 
• Build high-quality, clean, scalable and reusable code by enforcing best practices around software engineering architecture and processes. 
• Develop & contribute towards architectural principles, methodologies and standards for various IT groups. 
• Manages security risks flagged by available security tools in the pipeline and ensures that security measures are integrated when delivering solutions. 
• Stay up to date with the latest trends and advancements in technologies and recommend their adoption when appropriate. 
• Assist enterprise architecture team on all governance activities. 
• Actively participates in the design review process, offering and seeking constructive criticism. 
• Assumes accountability for ensuring that their team maintains robust documentation and records detailing the evolution of design and architecture over time (e.g., RFCs, ADRs). 
• Prioritizes and values work that may be undervalued but significantly enhances predictability, quality, and delivery throughput. 
• Working with other PEs, POs, SETLs on broader initiatives helps with the decomposition of the high-level requirements, defining MVP. 
• Makes work prioritization decisions based on a clear understanding of the trade-offs between quality, technical debt, and timely delivery. 
• Actively engages in prioritizing cross-team initiatives and assumes a leadership role in those initiatives within their own teams. 

• Solid in TypeScript, solid JavaScript understanding, and proficiency in navigating the event loop. 
• Advanced in Angular and its design principles; familiar with React, Vue. 
• Proficient with Angular CLI, Nx and modern build tooling for efficient development workflows 
• Solid understanding of .NET framework, .NET Core, and C# programming; adept at multiple programming languages and paradigms. 
• Experience and a good understanding of async and parallel programming (synchronization primitives, async/await, tasks cancellation, synchronization context) in .net 
• Good understanding of memory management and performance optimization 
• Proficient in Computer Science fundamentals: data structures, algorithms, and design patterns; capable of selecting the right solution based on constraints. 
• Strong knowledge of system design, ensuring data consistency, and fault tolerance in the browser. 
• Expertise in designing and implementing comprehensive testing strategies covering unit, integration, end-to-end, flow tests, UI testing automation. 
• Proficient in performance profiling and optimization techniques: web vitals, lazy loads, build size reduction, API latency optimization, HTTP2 usage, GraphQL. 
• Experience with microservices, event-driven architectures, and advanced architectural patterns. 

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.

#LI-Hybrid

At Entain, we do what's right. It's one of our core values and that's why we're taking the lead when it comes to creating a diverse, equitable and inclusive future - for our people, and the wider global sports betting and gaming sector. However you identify, our ambition is to ensure our people across the globe feel valued, respected and their individuality celebrated. 

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