
About the role
Overview
We are looking for a Senior Front-End Developer to join our Platform Team and play a key role in developing scalable, high-performance solutions.
Skills
Candidate requirements
These are the minimum requirements a candidate must meet to be considered for this role.
- 5+ years of professional experience with TypeScript/JavaScript
- 5+ years of experience with React

Senior FrontEnd Developer
We are building a casino & sports platform from scratch. Join us and make a difference in the gaming world of tomorrow.
Last updated 2025-11-06T23:00:56.603Z
Overview
We are looking for a Senior Front-End Developer to join our Platform Team and play a key role in developing scalable, high-performance solutions.
Salary
Competitive Salary
Location
Sofia, Bulgaria
OnsiteDepartment
Engineering
Level
Senior
Skills
Overview
We are looking for a Senior Front-End Developer to join our Platform Team and play a key role in developing scalable, high-performance solutions.
Skills
Candidate requirements
These are the minimum requirements a candidate must meet to be considered for this role.
- 5+ years of professional experience with TypeScript/JavaScript
- 5+ years of experience with React
About OpenTag
OpenTag is a new (well-funded) International company within the field of Sports Betting and Gaming.
Having more than 15 years of experience in this field, 100’s of operators, 1000’s of partnerships and millions of daily players – we’ve decided to take our knowledge, experience, and passion into the next level by building our platform from scratch.
Our platform will be built in two major backend stacks, PHP (Symfony) and JAVA (Spring/boot) with heavy usage of best practice packages, development approach, and infrastructure, we take special pride into progressive thinking.
To do so, we are searching for some of the greatest minds – we are creating and developing teams from scratch, all our team’s code would be 100% written from scratch (no legacy), teams would be fully organic taking pride and ownership over their share of the platform and modules.
Joining us now would be once in a lifetime opportunity to influence the market, set the future’s standards and grow yourself as a technological authority.
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