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Senior Software Engineer, Back End (Personalization & Recommendations)

San Francisco, CA or Chicago, IL

Rally Health is all about putting health in the hands of the individual. It’s our mission, and it drives everything we do, which is to empower people with easy-to-use online and mobile tools that help them take charge of their health and health care, from improving their diet and fitness to selecting health benefits, and choosing the right doctor at the right price for their needs.

Our culture is built on a deep and sincere dedication to helping people live healthier lives. To do this, we are committed to innovating continuously at every level. We know that some of the things we do are not going to work, and that’s okay. We’re not trying to build something that is churn and burn. We’re building something that supports people over their lifetime. As Rally Health founder and CEO Grant Verstandig says, “We get to do amazing work every day that directly impacts the lives of millions of people for the better.” 

We are working hard to pursue these problems through technology and user experience. At Rally Health, we have the necessary assets and are well positioned to make it happen through exceptional relationships with major companies in the health industry.

Rally Engineering - is modern, in public cloud (AWS), microservices based large distributed system and is quality driven. Our stack consists of Scala, Play, Akka, MongoDB, PostgreSQL, Docker, Mesos, Marathon, Jenkins, Kafka, Spark, HDFS, Avro, Airflow and Redshift to name a few. We believe continuously evaluating our tech stack, have an easy process of suggesting and accepting new technologies. Our engineers enjoy being empowered and accountable.

The Personalization Engineering team at Rally is tasked with making a set of systems to personalize the experience of a user based on health, clinical, medication, condition and behavioral data. This includes building systems for profile based on facts and inferred information, user graph, relevance, recommendations, predictions and feedback loop. This requires collection of data, cleaning and categorizing the data, building insights with analytics, rules, predictions and machine learning. This is an excellent opportunity to make people’s health data work for them to live healthier life and cost savings through prudent choices. The code we work on impacts entire company and a large part of entire health industry.

Does this sound interesting?  We are hiring across the following levels:

  • Senior Software Engineer, Backend- 5+ years prior work experience
  • Principal Software Engineer, Backend- 8+ years prior work experience


  • We are looking for motivated, self driven engineers who own what they build.
  • You will work closely with Product and Project Managers to understand the features, do technical assessment, design, cost, code, test and deliver.
  • You should be set working in a team setting to deliver features motivated by the mission. You should already know or be interested in learning our technical stack.
  • This position requires a deep interest in software engineering and strong knowledge of computing concepts such as fault tolerance, self-healing, internet protocols, multithreaded programming, machine learning, performance, reliability, scalability, and security.


  • Bachelor's degree or equivalent practical experience
  • Strong computer science fundamentals
  • Command of Scala/Java OR a desire to learn Scala
  • Experience with distributed systems and application design in a SOA environment
  • Experience with NoSQL and RDBMS
  • Ability to track down root causes and fix them in systematic ways
  • Strong problem solving skills and attention to detail
  • Self-starter and results-oriented with a strong sense of ownership

Nice to haves:

  • Experience with recommendations, predictions, personalization or machine learning in general, will be an excellent plus
  • Knowledge of high-scale performance and optimization tools and techniques
  • Previous experience in the Healthcare space
  • Experience with AWS (configuring, deploying, managing, monitoring) services and distributed applications

Why join Rally? On top of an innovative work atmosphere and a chance to help people change their lives, we offer competitive pay, daily catered lunches, and an extensive benefits package for all full-time employees (including medical, dental, vision and 401(k)). In addition, offer the ability to grow, while truly making an impact in the healthcare system.

Rally Health is committed to ensuring that its workforce reflects America’s diverse population. Rally Health knows that such diversity will enrich us with the talent, energy, perspective and inspiration it needs to achieve its mission. Rally Health believes in a policy of equal employment and opportunity for all people based on merit and commitment to the principles of diversity. It is our policy to recruit, hire, train, and promote individuals in all job titles, and administer all programs, without regard to race, color, religion, national origin or ancestry, citizenship, sex, age, marital status, pregnancy, childbirth or related medical conditions, personal appearance, sexual orientation, gender identity or expression, family responsibilities, genetic information, disability, matriculation, political affiliation, veteran status, union affiliation, or any other category protected by applicable federal, state or local laws.

Individuals with disabilities and veterans are encouraged to apply. Applicants who require an accommodation related to the application and/or review process should notify Talent Acquisition (

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Ready to Rally?

Ready to join Rally?