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Senior Software Engineer

Date: Mar 11, 2023

Location: Stockholm, SE, 111 23

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 Senior Software Engineer for one of our core product teams in Stockholm, to help us shape the future experiences of Optimizely's products and offerings.

Ideally, you bring experience in building APIs and extensible frameworks and/or services as well as application implementations. You are self-motivated and like to collaborate with your colleagues to find the best solution that solves the problem, considering architecture, cost of development and cost of ownership. You are comfortable with working in a fast-moving agile environment and working closely with User Experience Designers, Product Managers and other stakeholders.

Job Responsibilities

  • Design, architect and implement simple, secure, scalable, maintainable, and cost-effective software solutions
  • Ensure product quality by developing and applying thoroughly automated testing techniques
  • Contribute to architecture and design discussions within your agile team as well as across teams and products
  • Contribute to project planning including requirements elicitation, design, task grooming and scoping
  • Mentor and share with other engineers and team members
  • Pursue growth by maintaining an awareness of the state of technology, engineering techniques, and best practice

Knowledge and Experience

  • You have at least a Bachelor's degree in Computer Science or similar, or corresponding level of relevant education
  • You have 7+ years of experience working professionally with modern development practices.
  • You are strong in software design and engineering concepts, including but not limited to object-oriented analysis, design, and programming
  • You are approaching expert-level knowledge of the .NET development platform
  • You are knowledgeable in the development and operational aspects of cloud-based software
  • You are a real team player who enjoys solving problems together and is a great communicator.
  • You have an understanding and interest in building and maintaining large applications as well as extensible libraries/frameworks/APIs.
  • Ideally, you have significant experience designing and building large, modular, applications with continuous releases that quickly adapt to user needs.


  • Designing and building solutions based on Episerver CMS or other CMS/DXP platforms
  • ASP.NET (Core) MVC
  • React with Redux, or other JavaScript frameworks
  • SQL as well as NoSQL databases
  • Containers and container/service orchestration
  • Developing cloud services, in particular, Microsoft Azure
  • HTTP APIs / REST services / GraphQL
  • Git


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


Displaying Technical Expertise
Critical Thinking
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.