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Senior Staff Software Engineer

Date: Nov 25, 2022

Location: London, GB, SE1 9PG

Company: Optimizely

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 are looking for a very special individual contributor software engineer who has the engineering credibility and social skills to nucleate an elite team of data engineers. This team will be working to unlock the analytic potential inside our world-class CDP for our clients and ourselves. At Optimizely, we don’t just build pretty dashboards. We make data actionable so that our clients can make confident decisions and grow their businesses. In this position, you’ll be on the ground floor of the team that’s going to take this capability to the next level.

Though every Senior Staff Software Engineer will look different, they are all respected technical leaders who internalize business strategy and/or challenge internal or external customer use cases to propose and solve problems that have a significant business impact across multiple teams or systems. Their impact could be by playing a leadership role in building a roadmap and enabling its execution across multiple teams or systems. Their impact could also be by anticipating the longer-term consequences of technical decisions they are not directly involved in and inserting themselves productively to influence towards a more optimal decision/direction. 


Job Responsibilities

  • Leading development and maintenance of the Analytics and Reporting services built on top of our already robust CDP.
  • Designing architectures that are performant and cost-effective. Fast is a feature.
  • Recognizing opportunities to transform data into knowledge. Think like a Data Scientist. Work like an engineer.
  • Ensuring compliance with data protection regulations. We lead the industry in regulation-compliant first-party data empowerment.
  • Collaborating with engineers and product managers to deliver on the Analytics and Reporting roadmap.


  • Work is self-generated and self-directed based on manager-approved goals
  • Project scope becomes more strategic in nature
  • Their reporting structure or team does not limit their influence in working with other technical disciplines or teams
  • Deeply understand the architecture and infrastructure, across technical disciplines, for a major part of the business or product and can clearly articulate the enterprise-grade software reliability expectations of that part of the business or product
  • They are widely consulted by multiple teams for their advice and input on cross-functional projects
  • Has tangible impact across multiple teams and/or systems. This impact could come by not just executing an existing technical roadmap but playing a leadership role in building that roadmap and enabling its execution across multiple systems and teams with tangible impact on the business. Or it could come by anticipating downstream effects of projects they are not directly involved in and inserting themselves productively to influence towards a more optimal decision/direction.
  • Actively helps close candidates.
  • Partners with appropriate people to improve the interview process and experience (e.g., interview kits, grading rubrics, removing bias, etc.).

Knowledge and Experience

  • Demonstrated excellence in software engineering and architecture.
  • Fluency in many languages, including Kotlin and Java.
  • Ninja-level SQL abilities.
  • Experience with Cloud Computing platforms like AWS, GCP, or Azure.
  • Practical experience with reliability at scale in distributed systems.
  • Experience with containerized applications (Docker/Kubernetes.)
  • Excellent communication and collaboration skills.


Desired Qualifications

  • Experience in implementing and architecting complex data management and BI capabilities.
  • Knowledge of build/release systems and processes.
  • SaaS experience.
  • Familiarity with BI tools like Looker, Tableau, Power BI, Sisense, etc.


Why you’ll succeed

  • Reflect and seek feedback on choices and trade-offs in your design process.
  • Seek context to inform your decisions, and adapt to changes according to the needs of the business.
  • Curious about emerging technologies and interested in evaluating and adapting where it makes sense.
  • Team player who enjoys collaborating across engineering teams.
  • You are comfortable engaging in product architecture discussions.
  • You appreciate working with people from all walks of life, and you work to respectfully engage and collaborate with colleagues regardless of perspective or experience.


Bachelor’s Degree (Computer Science or engineering preferred) or equivalent work experience


Displaying Technical Expertise
Communicating Effectively
Solving Complex Problems
Working with Ambiguity
Delivering High Quality Work

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.