Junior QA Engineer

Sofia, Bulgaria $82k - $110k* Posted on May 13, 2026

Job Description

OpenTag is an International company within the field of Sports Betting and iGaming.Our mission is to create the best software through empowered teams, centralized around our product. We do this to help great organizations reach ambitious goals and fulfill their purpose with equally great teams.

We are looking for a motivated Junior QA Engineer to join our Agile product development team. You will work closely with Front-End Developers, Back-End Developers, Product Owners, Delivery Managers, and fellow QA Engineers to ensure the quality and reliability of our products.

The role combines both manual and automation testing, with a strong focus on growing your automation skills using Playwright and TypeScript. You will also have the opportunity to gain experience with API testing, CI/CD workflows, and performance testing in a modern microservice-oriented environment.

At least 1 year of experience as a QA Engineer or in a software testing role Basic programming skills and willingness to grow in test automation Basic understanding of QA methodologies, processes, and testing artifacts Familiarity with web application testing Basic understanding of API testing concepts Basic understanding of Scrum and Agile workflows Good analytical and problem-solving skills Upper-Intermediate English

At least 1 year of experience as a QA Engineer or in a software testing role

Basic programming skills and willingness to grow in test automation

Basic understanding of QA methodologies, processes, and testing artifacts

Familiarity with web application testing

Basic understanding of API testing concepts

Basic understanding of Scrum and Agile workflows

Good analytical and problem-solving skills

Upper-Intermediate English

Experience with TypeScript and/or JavaScript Familiarity with Playwright or other automation frameworks such as Cypress, Selenium, or Cucumber Familiarity with API testing tools such as Postman or SoapUI Familiarity with SQL and/or NoSQL databases Familiarity with Git and version control workflows Familiarity with CI/CD pipelines and tools Familiarity with performance testing tools such as JMeter, k6, or similar Understanding of microservice architecture concepts Experience with Docker, Kubernetes, or cloud environments is considered a plus

Experience with TypeScript and/or JavaScript

Familiarity with Playwright or other automation frameworks such as Cypress, Selenium, or Cucumber

Familiarity with API testing tools such as Postman or SoapUI

Familiarity with SQL and/or NoSQL databases

Familiarity with Git and version control workflows

Familiarity with CI/CD pipelines and tools

Familiarity with performance testing tools such as JMeter, k6, or similar

Understanding of microservice architecture concepts

Experience with Docker, Kubernetes, or cloud environments is considered a plus

Collaborate with developers, Product Owners, Delivery Managers, and QA Engineers during the full development lifecycle Participate actively in all Scrum ceremonies Review requirements and contribute to test planning, test coverage, and risk analysis Create, maintain, and execute test cases and test scenarios Identify, document, and track defects in test and production environments Develop and maintain automated tests using Playwright and TypeScript Support API testing activities using tools such as Postman or similar Assist with regression, smoke, exploratory, and end-to-end testing Help improve QA processes, testing standards, and automation practices Contribute to CI/CD quality processes and test execution pipelines Participate in performance testing activities and support performance-related investigations Collaborate with the team to continuously improve product quality and delivery efficiency

Collaborate with developers, Product Owners, Delivery Managers, and QA Engineers during the full development lifecycle

Participate actively in all Scrum ceremonies

Review requirements and contribute to test planning, test coverage, and risk analysis

Create, maintain, and execute test cases and test scenarios

Identify, document, and track defects in test and production environments

Develop and maintain automated tests using Playwright and TypeScript

Support API testing activities using tools such as Postman or similar

Assist with regression, smoke, exploratory, and end-to-end testing

Help improve QA processes, testing standards, and automation practices

Contribute to CI/CD quality processes and test execution pipelines

Participate in performance testing activities and support performance-related investigations

Collaborate with the team to continuously improve product quality and delivery efficiency

Opportunity to grow in modern test automation practices using Playwright and TypeScript Work in a collaborative Agile environment with experienced engineers Exposure to modern technologies, microservices, and CI/CD processes Opportunity to participate in performance testing and quality engineering initiatives Supportive team culture focused on continuous learning and improvement Challenging and impactful product development

Opportunity to grow in modern test automation practices using Playwright and TypeScript

Work in a collaborative Agile environment with experienced engineers

Exposure to modern technologies, microservices, and CI/CD processes

Opportunity to participate in performance testing and quality engineering initiatives

Supportive team culture focused on continuous learning and improvement

Challenging and impactful product development

25 vacation days + an extra day off to celebrate your birthday 🎉 Premium health insurance for your peace of mind Birthday vouchers and little surprises along the way Free snacks, team lunches, and great coffee (because fuel matters ☕) Sports card, transportation, and food allowance Quarterly team events that bring everyone together Excited to join us? Click the Apply button and let’s build something amazing together!

25 vacation days + an extra day off to celebrate your birthday 🎉

Premium health insurance for your peace of mind

Birthday vouchers and little surprises along the way

Free snacks, team lunches, and great coffee (because fuel matters ☕)

Sports card, transportation, and food allowance

Quarterly team events that bring everyone together

Excited to join us? Click the Apply button and let’s build something amazing together!

Apply Now:

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.

Industry: Gambling Facilities and Casinos