Senior Backend Engineer - Fraud & Responsible Gaming

Fanatics Inc.; Dublin; Hybride; EUR 70 000 - 90 000; Plein temps

Avantages offerts par ce poste

Home office set-up stipend

Flexible remote work options

Résumé du poste

Fanatics Inc is seeking a Software Engineer III to enhance backend systems focused on fraud detection and responsible gaming. The role involves designing, implementing, and maintaining large-scale systems that prioritize customer protection and regulatory compliance.

This fully remote position welcomes candidates based in the UK, offering a competitive environment that values integrity and innovation. Responsibilities include collaborating with various teams to ensure seamless user experiences and mentoring junior engineers.

Qualifications

• 3+ years of software engineering experience, particularly with Java and Spring Boot.
• Proven ability to design and evolve secure, high-scale distributed systems.
• Strong understanding of authentication and fraud prevention.

Responsabilités

• Own and evolve the backend architecture for fraud detection and responsible gaming.
• Design and implement distributed systems for real-time risk evaluation.
• Collaborate with Data Science and Compliance teams.

Connaissances

Java

Spring Boot

Fraud Prevention

API Design

Distributed Systems

Outils

AWS

Kubernetes

Kafka

Description du poste

As aSoftware Engineer III atFanatics Betting & Gaming (FBG), you will be the owner of backend systems that safeguard our customers and ensure a trusted, compliant, and frictionless betting experience. Your responsibilities will include designing, implementing, testing, and maintaining distributed systems that enable large-scalefraud detection and responsible gaming capabilities focused oncustomer identity, account management, and financial transactionsacross mobile and web platforms.

This role blends deep backend technical expertise with architectural leadership. You will contribute to the long-term technical vision for fraud prevention, identity verification, and responsible gaming enforcement - ensuring our systems aresecure, reliable, and adaptive to evolving threats and regulations. You’ll collaborate closely with Risk, Compliance, and Product partners to build a platform that balances safety, user trust, and operational efficiency.

At FBG, we’re revolutionizing sports betting with a customer-first approach that prioritizes integrity, fairness, and innovation. As a key engineer in theCAT (Customer, Accounts & Transactions) domain, you’ll help shape the foundation of trust and safety for millions of Fanatics customers. This is a fully remote role with offices located in Dublin.

SE III, (Fraud & Responsible Gaming) Overview

As aSoftware Engineer III atFanatics Betting & Gaming (FBG), you will be the owner of backend systems that safeguard our customers and ensure a trusted, compliant, and frictionless betting experience. Your responsibilities will include designing, implementing, testing, and maintaining distributed systems that enable large-scalefraud detection and responsible gaming capabilities focused oncustomer identity, account management, and financial transactionsacross mobile and web platforms.

This role blends deep backend technical expertise with architectural leadership. You will contribute to the long-term technical vision for fraud prevention, identity verification, and responsible gaming enforcement - ensuring our systems aresecure, reliable, and adaptive to evolving threats and regulations. You’ll collaborate closely with Risk, Compliance, and Product partners to build a platform that balances safety, user trust, and operational efficiency.

At FBG, we’re revolutionizing sports betting with a customer-first approach that prioritizes integrity, fairness, and innovation. As a key engineer in theCAT (Customer, Accounts & Transactions) domain, you’ll help shape the foundation of trust and safety for millions of Fanatics customers. This is a fully remote role with offices located in Dublin.

Responsibilities

• Own and evolve the backend architecture that powers fraud detection and responsible gaming features.
  
  
• Design and implement distributed systems inJava and Spring Boot, building scalable services and APIs for real-time risk evaluation, transaction monitoring, and behavioral analysis.
  
  
• Collaborate with Data Science, Risk, and Compliance teams to integrate fraud prevention models, transaction scoring engines, and responsible gaming rulesets into core backend flows.
  
  
• Architect event-driven systems leveraging technologies like Kafka to capture and analyze transactional and behavioral signals in real time.
  
  
• Lead large-scale technical initiatives, such as the modernization of fraud detection services, identity platform evolution, or real-time customer protection pipelines.
  
  
• Establish backend and API best practices, emphasizingsecurity, observability, reliability, and compliance.
  
  
• Mentor and develop engineers, fostering a culture of technical excellence, accountability, and continuous learning.
  
  
• Partner with cross-functional teams—including frontend, mobile, product, and analytics—to ensure seamless and secure end-to-end user experiences.
  
  
• Champion responsible gaming and anti-fraud principles, helping define system patterns that promote fairness and regulatory alignment.
  
  
• Lead architectural reviews, incident postmortems, and design sessions, ensuring consistent improvement and knowledge sharing.
  
  
• Stay ahead ofemerging fraud, identity, and responsible gaming technologies, and advocate for pragmatic adoption that strengthens our platform.
  
  
• Be open to occasional travel to Fanatics offices or industry events for planning, collaboration, and team development.
  
  

Required Qualifications

• 3+ years of professional software engineering experience, withdeep expertise in Java and Spring Boot.
  
  
• Proven ability to design and evolvesecure, high-scale, low-latency distributed systems.
  
  
• Strong understanding ofauthentication, authorization, payment systems, or fraud prevention patterns.
  
  
• Experience designing APIs and backend systems that integrate withrisk, compliance, or regulatory services.
  
  
• Skilled at balancingperformance, scalability, and compliance in high-traffic systems.
  
  
• Demonstrated success drivingtechnical alignment and architectural strategy across multiple teams.
  
  
• Strong communicator who can clearly articulate complex technical solutions to engineering, product, and leadership audiences.
  
  
• Passion forcustomer protection, data integrity, and operational excellence.
  
  
• Comfortable operating in afast-paced, highly regulated environment with evolving priorities.
  
  

Preferred Qualifications

• Experience withAWS,Kubernetes, and observability tooling (Datadog, Grafana, CloudWatch).
  
  
• Familiarity withevent-driven architectures,message streaming systems (Kafka), andreal-time data pipelines.
  
  
• Exposure tomachine learning integration for fraud detection or responsible gaming scoring.
  
  
• Experience building or modernizingidentity, payments, or compliance platforms.
  
  
• Proven ability to leadcross-functional initiatives focused on trust, security, or user protection.
  
  
• Enthusiasm fordeveloper experience, clean API design, and maintainable, resilient systems.

Remote employee may also be eligible for a home office setup stipend.

Ready to build the future of sports betting? If you possess some of these skills but not all of them, we still encourage you to apply!Please note thatvisa sponsorship is not available for this position. We are open tofully remote candidates based in the United Kingdom.Remote employee may also be eligible for a home office setup stipend.

Job Info

• Locations 5th Floor , The Eight Building, Dublin, Co. Dublin, D08 T2TX, IE (Remote)