Senior Backend Developer - Framework
WixVilnius, Vilnius CountyPosted 16 April 2026
Job Description
Join the team responsible for the backbone of Wix’s development ecosystem. The Platform Engineering team provides a suite of integrated tools designed to eliminate friction and reduce cognitive load for engineers across the company. We are looking for an engineer who is passionate about developer experience and eager to build the frameworks that allow our teams to focus on their unique business logic rather than infrastructure hurdles.  
In your day-to-day, you will:
 
Design and write code using Scala and Java
Build and improve Wix Scala Framework to increase developer productivity
Work with ProtoBuf, gRPC, code generators, Bazel, and Docker
Solve interesting design dilemmas
Make an impact on how Wix backend developers write code more efficiently
Optimize and streamline how AI agents generate code within our ecosystem
Partner with infrastructure and product teams to find the best solutions
Support and improve developer framework based on user requests
Lead and deliver high scale projects end to end
Keep core libraries and runtime up-to-date
You have extensive experience with server-side JVM technologies (Java, Scala, or other)
You’re experienced in software design, coding, and production 
You have strong written and verbal communication skills
You understand and can write multithreaded code, specifically a web server's request lifecycle
Have practiced Test Driven Development (TDD)
Are able to conduct performance analysis for a system and find its bottlenecks
 
It’s an advantage if you:
Have contributed to open-source software
Have spoken in developer meetups, conferences or have a blog about software engineering
Wix Platform Engineering is where engineering meets product management, DevOps, and analytics. We listen to our developers’ voices to promote best practices and guide them toward the most effective use of the platform. Our culture is transparent, highly technical, and agile. Because we ship frequently, we rely heavily on Continuous Delivery and Test-Driven Development (TDD). While our primary languages are Scala and Java, we value engineers who understand popular paradigms from other languages. You will be helping to support Wix Server Framework—a system that handles the scale of 304 million users and their global visitors.  
We offer: 
 
Discount stock purchasing plans (ESPP)
Health and personal accident insurance
Daily lunch and snacks at the office
Commuting allowance
Discounted phone operator services and compensation for a new phone
Free exercise classes and wellness activities
Online courses and professional development
Fun activities and team events
  Salary range is 5000 - 7000 Eur GROSS / month (Total compensation, including RSUs package)
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