
Senior Software Engineer - Flutter Functions, HybridSenior Software Engineer 2
About Betfair Romania Development:
Betfair Romania Development is the largest technology hub of Flutter Entertainment, with over 2,000 people powering the world’s leading sports betting and iGaming brands. Exciting, immersive and safe experiences are delivered to over 18 million customers worldwide, from our office in Cluj-Napoca. Driven by relentless innovation and commitment to excellence, we operate our own unbeatable portfolio of diverse proprietary brands such as FanDuel, PokerStars, SportsBet, Betfair, Paddy Power, or Sky Betting & Gaming.
Our Values:
The values we share at Betfair Romania Development define what makes us unique as a team. They empower us by giving meaning to our contributions, and they ensure that we consistently strive for excellence in everything we do. We are looking for passionate individuals who align with our values and are committed to making a difference.
Win together | Raise the bar | Got your back | Own it | Positive impact
About Flutter Functions:
The Flutter Functions division is a key component of Flutter Entertainment, responsible for providing essential support and services across the organization. The division encompasses various corporate functions, including finance, legal, human resources, technology, and more, ensuring seamless operations and strategic alignment throughout the company.
The Strategic Intelligence team transforms complex data into actionable insights that guidestrategictechnologydecisions, combining AI-powered analytics, competitive intelligence, and innovation partnerships to help technology leadershipanticipatechallenges and capitalize on opportunities
As our Senior SoftwareEngineer,you’llbuild the technical backbone of our AI-powered Strategic Intelligence platform,connecting data sources, user interfaces, and automated workflowsto help drive strategic decision making.You’lljoin a small, high impact team,working closely with the AI Analyst to transform analytical requirements into scalable, secure technical solutions that serve stakeholders across the technology organization.
Key Accountabilities & Responsibilities:
Platform Architecture & Development
Design and build end-to-end web applications supporting the Strategic Intelligence Platform, including user interfaces, APIs, and backend services
Create robust system architecture based on API integrations, microservices, and serverless patterns that support AI/ML workflows and data processing
Develop automated workflows using low-code/no-code platforms and custom solutions toeliminatemanual processes and scale analytical capabilities
Implement secure, scalable infrastructure on AWS including Lambda functions, API Gateway, databases, and integration with Databricks analytics platform
Data Pipeline & Integration Management
Build andmaintaindata pipelines connecting multiple internal and external data sources to supportAIworkflows
Design RESTful APIs and integration patterns that enable seamless data flow between systems, databases, and analytical platforms
Implement data governance and security best practices ensuring compliance with Flutter's data protection and security requirements
Manage database systems (SQL and NoSQL) supporting both operational workflows and analytical data storage needs
DevOps & Production Management
Own complete development lifecycle from design through deployment, including testing, monitoring, and maintenance of production systems
Implement CI/CD pipelines and automated deployment processes ensuring reliable, repeatable software delivery
Monitor system performance and implement optimization strategies to ensure platform scalability and reliability
Maintain security standards and compliance requirements across all technical implementations
AI/ML Integration & Implementation
Integrate AI/ML capabilities including LLMs, generative AI APIs (AWS Bedrock, OpenAI, Azure OpenAI), and custom models into production applications
Build RAG architectures and AI application patterns that enable intelligent data processing and automated insight generation
Collaborate with AI Analyst to translate analytical requirements into technical specifications and move proof-of-concepts to production-ready systems
Implement prompt engineering and AI workflow orchestration to support automated content generation and data analysis
Skills, Capabilities & Experience Required:
We’relooking for a well-rounded full-stack engineer who enjoys working across the stack, shaping architecture decisions, and bringing AI-enabled products to life.You’llwork closely with data scientists, AI analysts, and business stakeholders, so comfort moving between technical depth and clear communication is key.
Technical Engineering & Architecture
Strong full-stack development experience (e.g., React/Vue, TypeScript/JavaScript, Python or Node.js) with a solid grasp of building clean, maintainable architectures.
Comfortable designing and deploying cloud-native systems on AWS — ideally with experience across serverless components like Lambda, API Gateway, S3, or EC2.
Confident working with SQL and NoSQL databases and optimising data flows across services.
AI/ML Integration
Experience integrating LLMs or generative AI capabilities into real productsis a bonus, with an understanding of patterns like RAG and prompt optimisation.
Awareness ofMLOps model lifecycle concepts and working with platforms such as Databricks or similar data engineering tools.
Delivery & Ways of Working
Able to turn ambiguous requirements into practical technical solutions and iterate quickly.
Experienced in taking prototypes to production in a reliable, scalable way.
Comfortable working in agile teams, using Git, CI/CD, and collaborative engineering practices.
Communication & Collaboration
Able to translate technical ideas into clear, simple explanations for non-technical audiences.
Confident engaging with stakeholders, presenting options, and shaping direction.
Thrives in a fast-moving environment and adapts well as needs evolve.
Experience required:
Must Have:
3-5 years full-stack development experience building and deploying web applications end-to-end
Strongproficiencyin modern web frameworks (React/Vue.js), backend technologies (Python, Node.js), and cloud platforms (AWS preferred)
Database and API development experience with both SQL and NoSQL databases, RESTful API design, and data integration patterns
DevOps experience including CI/CD pipeline implementation, automated testing, and production system monitoring
Nice to Have:
AI/ML integration experience including working with LLMs, generative AI APIs (AWS Bedrock, OpenAI, Azure OpenAI), and implementing AI-powered features
RAG architecture experience and understanding of AI application patterns for intelligent data processing
Databricks or similar data engineering platform experience
Advanced AWS certifications or equivalent cloud platformexpertise
Regulated industry experience in financial services, gaming, or similar environments with compliance requirements
Benefits:
Hybrid & remote working options
€1,000 per year for self-development
Company share scheme
25 days of annual leave per year
20 days per year to work abroad
5 personal days/year
Flexible benefits: travel, sports, hobbies
Extended health, dental and travel insurances
Customized well-being programmes
Career growth sessions
Thousands of online courses through Udemy
A variety of engaging office events
Disclaimer:
We are an inclusive employer. By embracing diverse experiences and perspectives, we create a lasting, positive impact for our employees, customers, and the communities we’re part of. You don't have to meet all the requirements listed to apply for this role. If you need any adjustments to make this role work for you, let us know, and we’ll see how we can accommodate them.
We thank all applicants for their interest; however, only the candidates who best meet the job requirements will be contacted for an interview.
By submitting your application online, you agree that your details will be used to progress your application for employment. If your application is successful, your details will be used to administer your personnel record. If your application is unsuccessful, we will retain your details for a period no longer than three years, to consider you for prospective roles within the company.

At Betfair, we play things our way. We’re always ready to explore. Always innovating. Always doing things differently. Always challenging the status quo.
Whatever we do, we love doing it.
Our business was born to create a fairer betting marketplace. One that disrupted an entire industry and put customers in control.
Today, we’re the worlds biggest online betting exchange. We’re one of the top 75 most valuable brands in the uk. We’re part of Flutter UK&I, one of Time100’s most influential companies. And our sports betting and gaming products offers players more ways to bet and more ways to win.
We got here by bringing brilliant ideas to life. By understanding that we’re at our best when we work together as one team. By listening to what everyone needs and keeping things fair - not just for our millions of customers, but for our people, too. And by playing to win and always trying to be better than we were yesterday.