Principal II, Software Engineering

We are seeking a Lead Technical Architect / Principal Software Engineer with 9+ years of experience in designing and modernizing enterprise-scale applications. The role requires strong architectural leadership, hands-on expertise in cloud-native and distributed systems, and deep experience in performance engineering, automation, and software quality. 

The candidate will drive technical strategy, define architecture standards, lead modernization initiatives, and collaborate across engineering, QA, DevOps, and business teams to deliver scalable, secure, and high-performing solutions. 

• C# (.NET Framework, .NET Core / .NET 6/7/8) 
• Python 
• SQL 
• JavaScript 
• Experience with Java (JDK 8/11/17/21) for interoperability and legacy system understanding (Good to have) 

• .NET Core / ASP.NET Core 
• Web API / RESTful Services /MVC 
• Entity Framework / ORM Tools 
• Microservices Architecture using .NET 
• RESTful APIs 
• OpenAPI / Swagger 
• NuGet 
• Experience working with Java-based services and APIs 

• Enterprise Solution Architecture 
• Microservices Architecture 
• Domain-Driven Design (DDD) 
• Distributed Systems Design 
• Event-Driven Architecture 
• Enterprise Integration Patterns 
• API Design and Governance 
• Security Architecture 
• High Availability and Resiliency Design 
• Scalability and Performance Engineering 
• Enterprise Application Modernization 

• AWS Cloud Services 
• Kubernetes 
• Docker 
• CI/CD Pipelines 
• Infrastructure Automation 
• DevSecOps Practices 
• Containerization and Orchestration 

• Datadog  

• Zipkin  

• Distributed Tracing  

• Application Monitoring  

• Log Aggregation and Analysis  

• Performance Tuning  

• Reliability Engineering  

• Production Support  

• Operational Excellence  

• Bottleneck Analysis and Optimization  

• Production Readiness Validation  

• Hands-on expertise with performance testing tools such as JMeter and NeoLoad  

• Ability to design workload models, execute performance tests, and analyse bottlenecks  

• Experience in end-to-end performance engineering including load testing, stress testing, and capacity planning 

• Strong expertise in Relational Database Management Systems (RDBMS) 
• Data Modelling and Database Design 
• Query Optimization and Performance Tuning 
• Data Migration and Data Integrity Strategies 
• Transaction Management 
• Database Scalability and Reliability 

• Generative AI 
• AI Agents 
• Retrieval-Augmented Generation (RAG) 
• Vector Databases 
• LLM Integration and Orchestration 
• Intelligent Automation Solutions 
• Enterprise Knowledge Management Systems

Employment Scams: Alcon is aware of employment scams which make false use of our company name or leader’s names to defraud job seekers. Alcon does not offer any positions without interview and never asks candidates for money. All our current job openings are displayed here on the Careers section of our website, where you can search for open positions and apply directly.

If you have encountered a job posting or been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond, send money or personal information, and check our website for current job openings.

ATTENTION: Current Alcon Employee/Contingent Worker

If you are currently an active employee/contingent worker at Alcon, please click the appropriate link below to apply on the Internal Career site.

Find Jobs for Employees

Find Jobs for Contingent Worker

Alcon is an Equal Opportunity Employer and takes pride in maintaining a diverse environment. We do not discriminate in recruitment, hiring, training, promotion or other employment practices for reasons of race, color, religion, gender, national origin, age, sexual orientation, gender identity, marital status, disability, or any other reason.