Senior QA Engineer

Job Description

FIRST. is a dynamic and innovative global technology company that provides B2B SaaS solutions for online sports platforms. We are at the forefront of innovation, empowering gaming partners with revolutionary sportsbook solutions. Our cutting-edge sportsbook software, premium data feeds, and unwavering commitment to partner success are reinventing the gaming industry.

About the role

We're looking for a Senior QA Engineer to join our engineering team - covering both manual and automation testing, who can validate complex systems end-to-end with strong manual and analytical testing skills, and who can also contribute to automation. Our Web and Desktop applications are micro-services based, running on Python and TypeScript with FastAPI, React, and Electron.

Responsibilities

• Design and execute manual, exploratory, integration, and end-to-end tests; maintain test plans, cases, and documentation

• Analyze product requirements with developers, product owners, and other stakeholders

• Test and validate APIs and backend services

• Perform SQL-based database testing and data validation

• Investigate issues via logs, troubleshooting, and root-cause analysis; track and report bugs

• Support delivery planning by estimating testing effort and surfacing dependencies

• Identify testing risks, gaps, and dependencies early and proactively communicate them to the team and stakeholders

• Contribute to automation testing using C# and/or Python

Requirements

• 4+ years of commercial software testing experience, demonstrating Senior-level QA knowledge and ownership

• Strong grasp of QA processes: test design, requirements analysis, exploratory/integration/E2E testing, defect management

• Strong API/backend testing experience with distributed systems (SOA / RESTful APIs)

• Good SQL and database testing/validation skills

• Experience troubleshooting complex systems, including logs and root-cause analysis

• Automation experience, ideally in C# and/or Python — strong QA fundamentals with automation in another language is also welcome

• Basic familiarity with CI/CD concepts and pipelines

• Strong written/spoken English; critical thinker

What will help you succeed?

• Experience with Big Data and Data Lakes

• Experience with Power BI

• Experience testing data/ETL pipelines

• Experience with PostgreSQL, MongoDB, Aerospike

• Experience with Pulsar

• Experience with containerization (Docker + Kubernetes or others)

• Experience with k6

• Hands-on CI/CD configuration/maintenance experience

• Working knowledge of Jira and Confluence

• Experience in an Agile work environment (SCRUM, Kanban, Scrumban)

• Experience with Git or another DVCS

• Experience working with logs and log analysis tools, including Kibana

What we offer

• Career development

• Sports card

• Food vouchers

• Transportation card or parking

• Additional health insurance

• Up to 24 days of paid annual leave

• Fun company events

• Messages in the office

• Breakfast and snacks

• Birthday vouchers

• Flexible working hours

• Wedding and new baby bonus

If you are interested in joining our diverse and dynamic team, we are looking forward to your application. Only short-listed candidates will be contacted.

Confidentiality of all applications is assured!

By submitting your application, you acknowledge that the Company will process the personal data contained in your CV, résumé and/or motivational letter for the purposes of managing the recruitment and selection process, in accordance with Regulation (EU) 2016/679 (General Data Protection Regulation), applicable data protection legislation and the Company’s Recruitment Privacy Notice.

As part of the application form, you will also be asked whether you agree to the Company retaining and using your personal data beyond the applicable six-month retention period, for a total period of up to 24 months following the completion of the recruitment process, so that you may be considered and contacted for future employment opportunities.

Providing this consent is entirely optional and will not affect your application for the current position.

You may withdraw your consent to the retention and use of your personal data for future employment opportunities at any time, without affecting the lawfulness of processing carried out before its withdrawal, by sending an email request to dpo@first.bet.