Staff Software Engineer

Engineering United States



Optimizely is focused on unlocking digital potential and we are the recognized category leader in Digital Experience Platform (DXP) and created the category for A/B Testing and experimentation software. We have incredible customers – isn’t that one of the most important aspects of looking for your next job? Optimizely has over 9,000 brands from global organizations such as Visa, Sky, Yamaha, Wall Street Journal to tech innovators like Atlassian, DocuSign, FitBit and Zillow.

Not only are we financially sound and growing but we have unicorn status: Exceeded $300M in revenue in 2020, is profitable already, and has all strategic options ahead of itself. Optimizely continues to invest and addresses a market opportunity north of $30 billion, providing significant personal career growth opportunities.

We are an inclusive culture with a global team of 1200+ people across the US, Europe, Australia, and Vietnam. We blend European and American business culture with emphasis on teamwork, inclusion, and moving fast. People make the difference!

If you are looking to work on the next generation of digital technologies in a fast-paced, hyper-growth environment, apply! We’re just getting started...

We’re looking for an experienced (5+ years) full-stack engineer on our Web Delivery team to support our web experimentation product, with building new features, enhancing existing functionality, and future-proofing our web product to stay compatible with the evolutions in front end JavaScript frameworks and /or the web browser technologies as it relates to security, privacy and compliance standards.

Our customers use this product to drive high-velocity experimentation that does not rely on their deployment pipelines. We are operating at an internet-scale and performance is a table stake requirement for this product. We adopted Edge computing at a nascent state to offer blazing fast experiments through our flagship offering called “Performance Edge”, which made us the world's fastest experimentation platform.

You will have broad influence, leadership, and impact on shaping the future direction of our web experimentation product, in terms of the product and technology roadmap.

What you’ll do:

  • Design and build new services and/or contribute to existing services that support our web experimentation product.
  • Advocate and build technical and/or product enhancements to stay compliant with the evolutions on the browser landscape and front-end JavaScript frameworks.
  • Collaborate with internal teams for building and/or tweaking shared services to support new use cases, yet stay integral to their core purpose.
  • Support existing SLO(s) and suggest new ones that can keep us accountable for the highest standards in proactively supporting our customers.
  • Troubleshoot customer issues by diving deep into application logs collected through in-house and third-party observability partners.
  • Using Optimizely on Optimizely to iterate on the best possible user experience we could deliver to our customers.
  • Publishing external blogs or talks about noteworthy technical / non-technical accomplishments. 

Why is this team important to Optimizely?

  • Business Impact: This team supports the web experimentation product, which has always been the highest revenue-generating product at Optimizely
  • High Visibility: Our web product is adopted by our strategic and highest paying Fortune 100 clients to drive key business metrics.
  • Help shape the Future: This team supports a rich customer base that is already bought into experimentation and willing to work with us for expanded use cases.
  • Innovation: Delivered performance enhancement solutions by pioneering the edge computing space, which marks us as the world’s fastest experimentation platform

Some technologies we work with:

  • Python, JavaScript, React.js, Node.js
  • Google Data Store, MySQL, PostgreSQL
  • Google App Engine, AWS cloud, Cloudflare Workers
  • Honeycomb, NewRelic, SpeedCurve


You will be successful in this role if:

  • You have a Bachelor's degree in Computer science or equivalent work experience.
  • You have 5+ years of experience in the software industry
  • You look at engineering problems holistically and have developed best in class products
  • You have experience with some of the technologies mentioned above
  • You are self-motivated, yet still, enjoy working in partnership across an organization
  • You find satisfaction in being a force multiplier for your colleagues
  • [bonus] Exposure/Experience to web page performance
  • [bonus] Exposure/Experience of browser internals
  • [bonus] Exposure/Experience with the internals of the front end JavaScript frameworks.
  • [bonus] Experience working with go-to-market teams

Optimizely is committed to a diverse and inclusive workplace. Optimizely is an equal opportunity employer and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.