Senior Software Engineer

Come work at a place where innovation and teamwork come together to support the most exciting missions in the world!

We are seeking a talented Lead Software Engineer to work on Qualys’ next-generation Platform & Middleware. Working with a team of engineers and architects, you will be responsible for prototyping, designing, developing and supporting a highly scalable SaaS-based cloud security platform. This is a great opportunity to be an integral part of a team building Qualys’ next generation microservices-based technology platform processing over 100 million transactions and terabytes of data per day, leverage open source technologies, and work on challenging and business-impacting projects

Key Responsibilities:

• Co-develop Qualys’ best-in-class next-generation platform and middleware products
• Create high-performance APIs, libraries and microservices that scale to meet/exceed the demands of processing over a 100 million transactions and terabytes of data per day
• Research, evaluate and adopt next generation technologies
• Produce high quality software following good architecture and design principles that you and your team will find easy to work with in the future

 
Required Skillset:

• 3+ years as a hands-on engineer developing SaaS based software products and solutions for service oriented deployments in public (AWS, Azure, Rackspace, etc.) or private clouds.
• Have built scalable SaaS platforms utilizing microservices/distributed systems architecture using:
• RESTful API's consumed by internal and external partners
• Messaging middleware using JMS, AMQP, Kafka, NATS, etc.
• In-memory caching using Redis, Memcached, etc.
• Strong Java programming skills including object oriented design, prototyping, development, testing, profiling, etc.
• Knowledge of JVM concepts like garbage collection, heap, stack, profiling, class loading, etc.
• Understand data structures and algorithms
• Expertise with RDBMS systems (preferably Oracle)
• Experience with NoSQL databases (preferably Cassandra)
• Bachelors/Masters/Doctorate in Computer Science or equivalent

Preferred Skills:

• Built a technology platform from the ground up
• Developed search based applications using Elasticsearch or Solr
• Worked with Angular.js, React, D3.js or other JavaScript frameworks