Principal Architect ( .Net + Azure /AWS )

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, all using our unique combination of data, analytics and software. We also assist millions of people to realise their financial goals and help them save time and money.

We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more industry segments.

We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com

 

We are looking for a high‑performing Principal Architect to join the ESS – Technology Software Engineering (ID&F) organization.

You will be #LI-hybrid based in Hyderabad and reporting to Head of Engineering.

This role demands a proven technical leader with deep engineering and architectural experience, capable of shaping large‑scale, mission‑critical platforms across multi‑cloud environments.

As a Principal Architect, you will define the technical vision, architectural strategy, and modernization blueprint for ID&F products.

You will partner with engineering, security, product, and operations teams to deliver secure, resilient, scalable, and high‑performing systems powering global Decisioning capabilities.

• Define, evolve, and govern the target-state architecture spanning Azure, AWS, and hybrid deployments.
• Architect highly scalable, cloud-native backend systems built on C#/.NET Core, Laravel/PHP, and modern service-oriented patterns.
• Establish standards for microservices, event-driven architectures, API ecosystems, and fault‑tolerant, distributed systems.
• Drive data architecture decisions across SQL Server, Cosmos DB, Redis, and high-throughput caching strategies.
• Provide architectural direction for modern UI frameworks, including server-driven UI (HTMX), Bootstrap, and lightweight JavaScript stacks.
• Lead modernization of legacy components—PDF pipelines, monoliths, and older PHP modules—to modern, maintainable architectures.
• Serve as the architectural authority for engineering teams, influencing design decisions, coding standards, and technical best practices.
• Conduct architecture reviews, produce system diagrams, and define integration patterns across ID&F and related ESS components.
• Partner with Security, SRE, DevOps, and Product teams to ensure solutions meet compliance, operational readiness, and resiliency standards.
• Evaluate emerging technologies, tools, and frameworks to guide long‑term platform evolution.
• Integration & ModernizationLead integration planning between ID&F and the broader ESS Decisioning ecosystem.
• Define modernization strategies for legacy systems such as Braintree integrations, PHP modules, and large document‑generation workflows.
• Establish standards for interoperability using REST APIs, message queues, event streaming, and asynchronous communication patterns.
• Quality, Performance & Operational ExcellenceEnsure system designs meet stringent requirements for scalability, observability, fault tolerance, and performance.
• Provide architectural oversight for CI/CD pipelines, automated testing, and deployment standards.
• Conduct deep technical assessments and root-cause analysis to identify bottlenecks and improve system performance.
• Drive architectural consistency, reduce technical debt, and ensure long-term maintainability across all ID&F modules.

• Bachelor's degree in Computer Science, Engineering, or equivalent hands-on experience.
• 15+ years of experience in enterprise software engineering and architecture.
• Strong expertise in C#/.NET Core, API architecture, cloud-native design, and distributed systems.
• Hands-on experience with Laravel/PHP and legacy modernization patterns.
• Solid understanding of UI architecture using HTMX, Bootstrap, and Alpine.js (or similar).
• Deep experience with SQL Server, Cosmos DB, Redis, including data modeling, performance tuning, and scalability.
• Background in PDF/document processing pipelines (e.g., GhostScript, merging workflows).
• Experience with Braintree or similar payment/transaction frameworks.
• Deep architectural knowledge of Azure and AWS multi-cloud ecosystems.
• Strong experience in defining DevOps, CI/CD standards, and automation pipelines.
• Lead cross-functional architecture discussions and influence technology strategy.
• Excellent system design experience.

Comfortable operating in Agile environments with globally distributed teams

Our uniqueness is that we celebrate yours. Experian's culture and people are important differentiators. We take our people agenda very seriously and focus on what matters; DEI, work/life balance, development, authenticity, collaboration, wellness, reward & recognition, volunteering... the list goes on. Experian's people first approach is award-winning; World's Best Workplaces™ 2024 (Fortune Global Top 25), Great Place To Work™ in 24 countries, and Glassdoor Best Places to Work 2024 to name a few. Check out Experian Life on social or our Careers Site and Glassdoor to understand why.

 

Experian is proud to be an Equal Opportunity and Affirmative Action employer. Innovation is a critical part of Experian's DNA and practices, and our diverse workforce drives our success. Everyone can succeed at Experian and bring their whole self to work, irrespective of their gender, ethnicity, religion, color, sexuality, physical ability or age. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

 

Benefits

 

Experian care for employee's work life balance, health, safety and wellbeing. In support of this endeavor, we offer best-in-class family well-being benefits, enhanced medical benefits and paid time off.

This is a hybrid role.

Experian Careers - Creating a better tomorrow together

Find out what its like to work for Experian by clicking here