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 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 Requirements: 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 Bonus Points if you have: 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 Join our talent community and receive the latest Qualys news, content, and be first in line for new job opportunities. Join our Talent Community! Qualys, Inc. (NASDAQ: QLYS) is a pioneer and leading provider of disruptive cloud-based security, compliance and IT solutions with more than 10,000 subscription customers worldwide, including a majority of the Forbes Global 100 and Fortune 100. Qualys helps organizations streamline and automate their security and compliance solutions onto a single platform for greater agility, better business outcomes, and substantial cost savings.