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Jobs / Entain / Principal Software Engineer
Posted 2026-08-21

Principal Software Engineer

Description

As a Principal Engineer, Entain is looking for an individual to shape the technical direction and architecture of its Java-based CRM domain. This role involves working across multiple engineering squads to build scalable, resilient, and future-ready platforms. Reporting to the Engineering Manager, the successful candidate will partner with Tech Leads, Product, Architecture, and Engineering teams to define domain-level technical strategy and solve complex cross-cutting challenges. Entain expects this individual to lead engineering excellence across the Software Development Lifecycle (SDLC), modernise platforms, accelerate the use of AI-assisted engineering practices, and identify opportunities to apply AI and automation across the technology landscape.

Responsibilities
  • Define and lead the technical strategy and architecture for Java-based CRM platforms across multiple squads.
  • Design complex, scalable, and secure solutions aligned with business and product goals.
  • Provide architectural guidance to Tech Leads and engineering teams.
  • Partner with Product, Engineering, and Architecture leaders to align domain and enterprise technology strategies.
  • Lead platform modernisation plans, including microservices, event-driven systems, cloud-native solutions, and legacy transformation.
  • Champion AI-assisted engineering practices to improve productivity, software quality, testing, observability, and delivery.
  • Identify opportunities to embed AI and automation into engineering platforms and business solutions.
  • Establish engineering standards, reference architectures, and reusable patterns across teams.
  • Develop architectural roadmaps, technical documentation, RFCs, and important design decisions.
  • Lead technical discovery, proof-of-concepts, and technology evaluations.
  • Enhance system performance, scalability, reliability, and observability while reducing technical debt.
  • Mentor Tech Leads and senior engineers, encouraging growth across the domain.
  • Collaborate across teams to manage dependencies and guide engineering practices.
  • Support technical hiring, talent development, and the broader engineering community.
Requirements
  • 10+ years of experience in Java and the Spring ecosystem (Spring Boot, Data/JPA, Security) (required)
  • Experience designing large-scale, distributed, microservices, and event-driven systems (Kafka or similar) (required)
  • Expertise in system architecture, API design, domain-driven design, and enterprise platform engineering (required)
  • 7+ years of experience with cloud-native technologies, Docker, Kubernetes, CI/CD, relational and NoSQL databases (required)
  • Track record in building scalable, secure, resilient, and observable platforms (required)
  • Experience leading architectural decisions, technical roadmaps, modernisation programs, and cross-team programs (required)
  • Experience with secure coding, application security, and vulnerability management (required)
  • Hands-on experience with AI-assisted software engineering tools, Generative AI, LLMs, and AI integration patterns (required)
  • Delivery-focused mindset with experience with engineering excellence and continuous improvement (required)
  • Experience with CRM platforms such as Optimove, Salesforce Marketing Cloud, Adobe Campaign, Braze, or similar (required)
  • Knowledge of customer engagement, campaign management, and marketing technology ecosystems (required)
  • Experience integrating CRM platforms with CDPs, analytics, and personalisation solutions (required)
  • Exposure to AI-driven campaign optimisation, customer segmentation, and recommendation systems (required)
  • Experience operating large-scale customer-facing CRM platforms with a focus on reliability, compliance, and customer experience (required)
Benefits
  • Safe home pickup and home drop
  • A regular bonus and great pension
  • 24 days annual leave
  • Extra paid leave, including wellbeing and development days
  • Life assurance and Income Protection
  • Private healthcare and wellbeing support
  • INR 3,000 per month Communication allowance
  • Up to INR 16,000 per year in Crèche expenses (children under 3)
About Entain

Entain is one of the world's largest sports betting and gaming entertainment groups and a FTSE 100 company. Formed when GVC Holdings rebranded as Entain in December 2020, its brands trace their history back to the 1880s and include bwin, Coral, Foxy, Gala, Ladbrokes and partypoker. Through its joint venture with MGM Resorts International, it powers BetMGM in the United States with its proprietary technology. Headquartered in London, Entain employs over 30,000 people with offices across 19 countries.

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