Principal Engineer
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Job Summary
Orange Business is here!
About us
Join us at Orange Business!
We are a network and digital integrator that understands the entire value chain of the digital world freeing our customers to focus on the strategic initiatives that shape their business.
Every day you will collaborate with a team dedicated to providing consistent sustainable global solutions no matter where our customers operate. With over 30000 employees across Asia the Americas Africa and Europe we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.
About the role
We are in search of a visionary Principal Engineer who will architect engineer and scale next-generation cloud-native API-first microservices-driven platforms infused with advanced AI/ML intelligence. This role it demands a hands-on builder with min 10 years of proven expertise across the full stack someone who has consistently delivered high-performance hyper-scalable resilient and secure systems from the ground up. You will lead the transformation of legacy ecosystems into modern digital powerhouses co-create breakthrough capabilities and seamlessly embed state-of-the-art machine learning models into production-grade solutions. The ideal candidate thrives at the intersection of complex distributed systems cutting-edge frameworks and enterprise-grade architectures bringing both technical depth and creative innovation to deliver world-class digital our fast-paced Agile-first environment you wont just build softwareyoull define the future of intelligent platforms.
Why This Role Matters: This is far more than just an engineering positionit is a strategic transformation charter for CPQ Transformation. As the driving force behind innovation you will reimagine and engineer the future of Telco O/BSS Quote 2 Order Journey designing solutions that revolutionize how products are conceived configured quoted and sold. Your ability to fuse technical mastery with visionary problem-solving will enable the creation of modern intelligent and elegantly simple platforms that set new benchmarks in performance and usability. Every line of code and architectural decision you make will directly accelerate revenue growth elevate customer satisfaction and carve out sustainable competitive advantage. This is your opportunity to not just build systems but to reshape an industry.
About you
Technical Expertise:
Full-Stack Engineering Core
Proven hands-on expertise 8 C# 12 Core MVC Web API Entity Framework Core LINQ gRPC SignalR and Blazor/React/Angular for building intelligent scalable platforms. Skilled in architecting micro front-end (Micro UI) solutions integrated Core backends to deliver modular extensible and high-performance applications.
Cutting-Edge AI/ML & LLM Integration
Proficient in orchestrating autonomous agent frameworks (LangChain AutoGen CrewAI) ecosystems designing MCP based extensibility and optimizing prompts and pipelines using DSPy. Strong grounding in MLOps practices (MLflow Kubeflow Weights & Biases) to ensure reliable model lifecycle management observability and production grade deployment across hybrid cloud environments.
Cloud-Native & Hybrid Architecture
Skilled in architecting API-first microservices ecosystems across AWS Azure and GCP with expertise in hybrid cloud deployments and distributed event-driven systems. Proficient in RESTful APIs GraphQL Kafka Azure Event Hub and containerized deployments (Docker Kubernetes) with resilience patterns (Circuit Breaker Retry Bulkhead Saga orchestration).
Telco CPQ Transformation Expertise
Proven experience in Telco CPQ (Configure Price Quote) platforms building scalable pricing engines product catalogs guided selling workflows and automated quote-to-order processes. Track record of leading CPQ modernization programs transforming legacy monoliths into cloud-native AI-infused microservices.
Digital Transformation Experience
Demonstrated success in enterprise-scale digital transformation modernizing legacy systems into cloud-native microservices and enabling business agility. Preferably experienced in one or more CPQ transformation engagements within the Telco domain.
| Skills/Competency | Proficiency Level |
| Hands on Proficiency CORE technologies - .NET 8 C# 12 Core MVC Web API Entity Framework Core LINQ gRPC SignalR for backend Frontend - HTML5 CSS3 JavaScript (ES6) TypeScript SPA frameworks: Angular React or Blazor | Expert |
Hands-On Proficiency and Experience working on at least one of the cloud-native platforms (AWS Azure GCP) for infrastructure and deployment | Advanced |
| Experience with Telco-Sales Capabilities and CPQ Platforms | Advanced |
| Strong background in AI/ML development including experience with Large Language Models (LLMs) RAG vector Search prompt engineering building and deploying ML and conversational agents agentic workflows on Cloud | Advanced |
| Strong Understanding and experience on multiple database technologies across both Relational and Non-Relational DBMS (MDB MySQL PostGres VectorDB etc) | Advanced |
| Experience with test automation and quality assurance frameworks (TDD/BDD and tools like Robot TestNG Playwright and AI Augmented QA etc) | Advanced |
| Strong system design skills for building performant scalable highly available reliable and secure applications. | Advanced |
| Understanding of cybersecurity principles and data protection standards | Intermediate |
| Understanding of telecom products services and BSS/OSS architecture esp. Telco Sales Capabilities and CPQ Domain (Quoting and Pricing) | Expert |
| Knowledge on one or more S/W development methodologies like Agile Scrum SAFe WoW ) | Intermediate |
| Ability to manage complex stakeholder landscapes across business and technology teams | Advanced |
| Knowledge of TM Forum frameworks (eTOM SID Open APIs ODA ) | Intermediate |
| Effective communication Excellent problem-solving and decision-making skills | Expert |
| Adaptability in dynamic Agile fast-paced multi-cultural international environment | Advanced |
| Strategic thinking and alignment with business transformation goals | Intermediate |
You bring rigor passion for challenges and determination. You seek the opportunity to expand your expertise achieve your goals and thrive.
What we offer
Global Opportunities: Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world.
Flexible Work Environment: Flexible working hours and possibility to combine work from office and home (hybrid ways of working).
Professional Development: training programs and upskilling/re-skilling opportunities.
Career Growth: Internal growth and mobility opportunities within Orange.
Caring and Daring Culture: Health and well-being programs and benefits diversity & inclusion initiatives CSR and employee connect events.
Reward Programs: Employee Referral Program Change Maker Awards.
Only your skills matter
Required Experience:
Staff IC
About Company
At Orange we have one priority: provide an incomparable experience! With its strategic project, Essentials2020, Orange has set itself the task of ensuring it is ever-present to connect every individual to what is essential to them, and to provide a unique daily customer experience by ... View more
