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Optimizely (formerly Episerver)

Song Hong Land Office Building, 165 Thai Ha, Hà Nội

Company Size : 100-499

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Job Summary

  • 100-499
  • Product
  • Việt Nam

Senior Fullstack Developer

Optimizely (formerly Episerver)

  • Đống Đa, Hà Nội
  • Negotiable
  •  Full Time
  •  English
  •  Experienced (Non-Manager)
1
1

  •  Posted:02/01/2026

  • Expired
Senior Fullstack Developer
Expired
Technical Skill: .NET , ASP.NET , ReactJS , ASP.NET , JavaScript , HTML5 , Entity , CMS , CSS , Jira , Git , ADO.NET , Web Design , Web API , Design Patterns , MS SQL , AngularJS , Responsive Design , VueJS , Ecommerce , GraphQL , Azure DevOps

Job description

Overview of job

Optimizely is focused on unlocking the boundless potential of our clients and employees. We are a category leader in Digital Experience Platform (DXP) and have the pleasure of serving over 9,000 brands, from global organizations such as Visa, Sky, Yamaha, and Wall Street Journal to tech innovators like Atlassian DocuSign, FitBit, and Zillow.   

Optimizely fosters an inclusive and diverse culture with a global team of 1500+ people spread across the US, Europe, Dubai, Australia, Singapore, Bangladesh, and Vietnam. Our unique work environment focuses on flexibility, trust, teamwork, diversity, and moving fast.

We genuinely believe that our people make all the difference, and once we find the best talent, we go out of our way to nurture them.  If you are looking to work on the next generation of digital technologies in a fast-paced and growing environment with industry leaders, Optimizely is the place for you! 

Introduction

The Expert Services team consults with customers and partners on best practices with regard to implementations of our commerce, content management, and digital marketing solutions. You will support customers and partners with architectural design, development, third party integration strategy, and application performance tuning. The developer role is a dynamic customer facing position that requires previous consulting or services experience. Our offices offer collaborative work environments and close-knit teams. We have multiple teams working for our international clients, handling projects based on Microsoft technologies, such as ASP.NET.

As a Full-stack .Net Developer, you will:

  • Exceed your billable utilization target.
  • Manage multiple application development projects simultaneously.
  • Assist with the development of service estimates as required.
  • Provide best practice advice and guidance to clients and partner development teams.
  • Administer high quality technical consultancy and implementation work at partner and/or client location.
  • Participate in partner's projects in-house or on-site delivering production ready code and troubleshooting
  • live/development environments.
  • Develop, customize and implement features based on Optimizely's products upon request.
  • Ability to leverage common generative AIs to improve productivity.
  • We are certified the Great Place to Work 2024-2025.
  • Hackdays for self-studying and researching any IT-related subjects.
  • 5 working days/week with flexible working time and no overtime.
  • Annual unforgettable company outing.
  • International, professional, creative working environment and talented teams.
  • Onsite opportunities in Europe and US.
  • Common cultural-sportive- art Clubs and activities, sponsored and/or supported by the Company (Ex: Football, GYM, Swimming, Guitar, English…).
  • Powerful workstation: Core i7-9700, 16-32 GB RAM, 02 x QHD 2560x1440 monitors (2K resolution).
  • 100% official salary during the probation period, 13th month salary, annual salary raise.
  • Up to 03 extra paid-leave days per year.
  • Social, Health and Unemployed Insurance are based on 100%.
  • Gross salary and fully paid by Company.
  • Extra bonus at $ 60 per special occasions (Birthday, Labor Day, National Day, Solar New year, Lunar New Year).
  • Lunch allowance at $30 per month.
  • Baby allowance for a child under 03 years old is $ 12 per month.
  • AON Premium Healthcare Insurance package for employees and their children up to 18 years old.
  • Daily various foods, drink, and seasonal fresh fruits.

Job Requirement

  • Prior experience in .NET projects: .NET, ASP.NET.
  • Experience with E-commerce and/or Optimizely CMS is a big plus.
  • Experience with GraphQL, WebAPI.
  • Good knowledge of Node and React JS, JavaScript, HTML5, CSS.
  • Knowledge and experience with TFS, GIT, JIRA or other source control software.
  • Skills in front-end engineering using Object-Oriented JavaScript & Responsive web design are an advantage.
  • Experience in one of following JavaScript library/framework: AngularJS, React, Vue.
  • Advanced Microsoft Data Technologies: ADO.NET, SQL Server, Entity Framework.
  • Good in implementing & optimizing .NET Server-side technologies.
  • Very good in understanding & applying Design Patterns/Design Principles.
  • Good problem-solving skills.
  • Proficient in code review, code refactorin.
  • Experience working in an Agile/Scrums Software Development environment.
  • Ability to work on multiple projects and in team.
  • Good attitude regarding self-testing and self-learning.
  • Tertiary qualifications in Computer Science or equivalent.
  • Good in English, at least written, good spoken English is a big plus.
  • Ability to take ownership for tasks and projects Service oriented.
  • Ability to troubleshoot software issues.
  • Be able to work with a wide variety of technologies and end users.

Languages

    • English

    • Speaking: Intermediate - Reading: Intermediate - Writing: Intermediate

Technical Skill

  • .NET
  • ASP.NET
  • ReactJS
  • ASP.NET
  • JavaScript
  • HTML5
  • Entity
  • CMS
  • CSS
  • Jira
  • Git
  • ADO.NET
  • Web Design
  • Web API
  • Design Patterns
  • MS SQL
  • AngularJS
  • Responsive Design
  • VueJS
  • Ecommerce
  • GraphQL
  • Azure DevOps

COMPETENCES

  • Problem Solving Skills
  • Agile
  • Self Studying

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BUSINESS PROFILE

Episerver announced it has rebranded to Optimizely.

Following its acquisition of the business last year. Rooted in a proud heritage as a customer-centric digital experience platform (DXP) and Experimentation leader, the new brand reflects the endless innovation potential of digital experiences. 

At Optimizely (formerly Episerver), we're on a mission to help people unlock their digital potential. With our leading digital experience platform (DXP), we equip teams with the tools and insights they need to create and optimize in new and novel ways. Now, companies can operate with data-driven confidence to create hyper-personalized experiences. Building sophisticated solutions has never been simpler. Optimizely’s 900+ partners and 1100+ employees in offices around the globe are proud to help more than 9,000 brands, including Peleton, Uber, AMEX, WSJ, Santander, KLM and Mazda enrich their customer lifetime value, increase revenue and grow their brands. 

Founded in 1994, we have offices in the US, Sweden, Denmark, Norway, Finland, Germany, the UK, the Netherlands, Poland, Spain, UAE, South Africa, Australia, Singapore, and Vietnam.

MORE JOBS FROM THIS EMPLOYER

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  • Product
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  • Đống Đa, Hà Nội
  • Negotiable
  •  Full Time
  •  Experienced (Non-Manager)
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