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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...


Staff Software Engineers  are subject matter experts across multiple components who use their strong technical leadership to provide leverage by engaging in multiplicative activities to help engineers ship and maintain projects that solve large, complex problems with minimum viable enterprise-grade solutions. They have strong customer empathy and are highly effective in working through projects where the scope is ambiguous, driving alignment, clarity, and results in partnership with various stakeholders. They own the operational excellence of the underlying services and components they work on. IC4 engineers exemplify positive leadership, leading technical and non-technical meetings in an inclusive manner and are constantly seeking to improve and up-level their team’s output.

Job Responsibilities

Engages in high leverage activities to help their team or multiple engineers to deliver projects that solve complex problems with higher quality and greater efficiency over time
Constantly contributing to the team’s output, quality, and security
Leveling up team via knowledge sharing, extensive code & design reviews, and prioritizing building common tools, advocating improving development processes and learning
Reviews and contributes to interview kit for technical roles and provides interview training to engineers

Knowledge and Experience

7+ years of experience as a software engineer
Experience coding in an industry-standard language (e.g. Python, C#, Java, JavaScript, etc.)
Experience building, delivering, and maintaining services that comprise modern PaaS/SaaS products
Experience with agile delivery workflows and modern software quality techniques like TDD, pair programming, etc.
Experience developing or contributing to development platforms or software frameworks


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


Displaying Technical Expertise
Communicating Effectively
Solving Complex Problems
Demonstrating Initiative
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.