Senior Backend Engineer

Woebot Health

Boston, MA, USA



Jul 2

This job is no longer accepting applications.

Our mission is to make the best mental health tools accessible for everyone, as we bring mental healthcare to the masses.  

We’re a venture-backed startup building tools to help millions of people monitor, regulate and ultimately improve their moods. Our tools are powered by the latest research in NLP and ML, use scientifically proven techniques from Cognitive Behavior Therapy, and is based on 10 years of digital mental health research at Stanford University. Our Chairman is Andrew Ng and Dan Jurafsky is a member of our advisory board, both globally recognized leaders in AI/NLP.

We are poised to redefine how people access mental health care and are building the dream team that’s excited about getting us there. You will be working with modern tech such as Node.js, Docker, Pytorch, AWS Lambda and more. Your ability to add new and critical features to Woebot while also refactoring parts of our current system will help provide the fuel that will help us get there.

Why You Should Join Our Engineering Team:

You care about helping make quality mental health care realistically accessible to millions of people globally and are genuinely curious and effective in building complex scalable distributed systems. 

You have the unique opportunity to create & improve our core bot and infrastructure; helping delineate Woebot into a premium offering which will ultimately become the new standard in digital therapeutics. 

In the process, you’ll learn more about chatbots, machine learning deployment pipelines, and securing and documenting a product effectively. More importantly, you’re energized by the idea of learning more about evidence-based psychological interventions and how to translate them into digital products that improve the lives of millions of people.

How You’ll Thrive

Ramping Up

  • In your first 4-5 weeks, you’ve read and digested our entire code base, have made several small enhancements and bug fixes, and have come up with a list of recommendations for improving our back-end systems.

Become A Leader On The Engineering Team

  • You know at least one server-side language and AWS infrastructure deeply and can enforce best practices while mentoring other engineers to become masters of their craft.
  • You are responsible for creating new features and functionality in the core logic of our bot, and work directly with our product team to integrate their ideas into the system.

Improve Woebot Without Sacrificing Quality

  • By day 45 you’ve designed a new feature end-to-end, from ideation to technical architecture diagrams to coding to peer review to production launch and error monitoring.  
  • By day 60 you are translating user needs and requirements into technical solutions, helping write technical specifications, and contributing elegant code that turns needs into reality.  

Create Systems That Help Us Scale

  • By day 90 you’re identifying problems before they happen and creating preventative measures to avoid them, as well as monitoring systems that detect when they occur.  
  • Within your first few months, you are quickly learning, maintaining, and enhancing disparate systems across Woebot.  
  • You will add new features while improving and refactoring the existing system along the way, maintaining Woebot’s current functionality as our product and team scales.

This Might Be Your Next Career Move IF: 

  • You have 4-5+ years of experience shipping production code with Node.js, Python, or similar server-side language, and have the willingness to master Node.js.
  • You care about helping make quality mental health care realistically accessible to millions of people nationwide.
  • You’re excited about driving the deployment and scaling of cutting-edge NLP and ML techniques.
  • You read voraciously about your field of expertise and enjoy bringing your learnings to the team in the form of recommendations for system improvement. You are a strong proponent of not only delivering new features but also of hardening systems along the way, making it bullet-proof to errors or outside attacks.

Role Specific Competencies

  • Our platform is built on Node.js. We’re also open if you have experience with other back-end languages and have the willingness and ability to learn Node.js quickly. Other back-end languages could include: Python, Golang, or Rust.
  • AWS or experience with another cloud provider such as GCP or Azure

Our Core Values:

  • Empathic: You’re a compassionate person and a team player motivated to understand others and help them be successful, too. You care as deeply for your colleagues as you do for our mission and our users.
  • Self-aware: You possess a high level of emotional intelligence, which allows you to understand yourself and others, and to have a healthy emotional life in the workplace.
  • Proactive & flexible:You are able to hit the ground running, you take responsibility for finding a way to get the job done. You learn as quickly as possible and sometimes do things outside the immediate scope of your work, giving it all you’ve got.
  • Strong work-ethic: You’ve mastered healthy habits in your life that allow you to do great things. You exemplify dedication and commitment to coming up with very good results in your work and inspire others to do the same.
  • Growth mindset: You believe abilities – like intelligence and talent – can be developed through dedication and hard work. You see failure as an opportunity to grow and welcome feedback as a pathway to your continued success.
  • Humble: You recognize that you are one among many, and you hold a genuine desire to discover what other people can offer. You are intrigued by how others think, and how others feel differently from you. You lean into these moments with patience and curiosity.


  • Competitive Salary
  • Stock Options 
  • Flexible PTO
  • Health, Dental & Vision
  • Healthy Snacks & Meals

Woebot is an equal opportunity employer and we deeply value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status

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Woebot Health

Groundbreaking digital therapeutics for mental health