Manual QA Engineer – Senior

SOFTSWISS; Polska; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Private health insurance

Sports benefits

Mental Health program

Free English lessons

Local language courses

Paid time off

Maternity leave support

Referral program

Upskilling opportunities

Job summary

SOFTSWISS is seeking a Senior Manual QA Engineer in Poland to own backend QA for a microservice-based product. You will design test strategies, create checklists and test cases, and measure quality with meaningful QA metrics across the lifecycle.

You will work with Postman, REST APIs, and CI/CD (GitLab). Collaborating with product, infra, and business, you’ll report risks and help implement AI-assisted QA to speed up testing.

Qualifications

• 4+ years in QA of server-side/backend applications.
• Strong test design, risk-based prioritization, and exploratory testing.
• Experience improving QA processes in a mixed Scrum/non-Scrum environment.
• Hands-on experience with microservice-based systems; understand trade-offs.

Responsibilities

• Own QA for your product team end-to-end: test strategy, checklists, test cases.
• Measure product quality with meaningful QA metrics and indicators (not vanity numbers).
• Report QA status, risks, and plans to your team and product stakeholders.
• Review feature requirements early; surface gaps, ambiguities, and risks before development.
• Lead releases as the responsible QA; monitor deploy results in production.
• Diagnose defects and track them from discovery to resolution.
• Validate data directly in the databases - daily work with databases.
• Collaborate closely with product, infrastructure, and business.
• Give product demos to the Product Owner.
• Research and adopt new QA approaches and tools, including AI-assisted QA.
• Continuously improve the team’s QA process.

Skills

Test design

Exploratory testing

Risk-based prioritization

QA processes improvement

English/Russian communication

Tools

Postman

REST APIs

GitLab CI

Jira

ELK

Grafana

Selenium

JUnit

TestNG

Job description

Overview

SOFTSWISS continues to expand the team and is looking for a Senior Manual QA Engineer to join our team. We need a true, experienced, and accomplished professional who shares our culture and values.

Overview

SOFTSWISS continues to expand the team and is looking for a Senior Manual QA Engineer to join our team. We need a true, experienced, and accomplished professional who shares our culture and values.

About Product

The SOFTSWISS Game Aggregator is a high-load casino games API platform that connects operator platforms to multiple remote game servers via a single integration. Behind the product is a team of engineers, DevOps specialists, integration experts, account managers, and partnership professionals who ensure reliable, secure, and scalable operations for operators worldwide. You'll solve complex technical challenges and help power one of the industry's leading aggregation platforms.

Key responsibilities

• Own QA for your product team end-to-end: test strategy, checklists, test cases, etc.
• Measure product quality with meaningful QA metrics and indicators (not vanity numbers)
• Report QA status, risks, and plans to your team and product stakeholders
• Review feature requirements early; surface gaps, ambiguities, and risks before development
• Lead releases as the responsible QA; monitor deploy results in production
• Diagnose defects and track them from discovery to resolution
• Validate data directly in the databases - you will work with databases on daily as part of this role
• Collaborate closely with product, infrastructure, and business
• Give product demos to the Product Owner
• Research and adopt new QA approaches and tools, including AI-assisted QA (agents, skills) to speed up routine work
• Continuously improve the team’s QA process

Required Experience

• 4+ years in QA of server-side / backend applications
• Strong test design & analysis - risk-based prioritization, solid test-design techniques, and exploratory testing
• Systematic mindset and independence - proven experience improving QA processes and driving them, comfortable in a mixed Scrum / non-Scrum environment
• Strong hands-on experience with microservice-based systems -this is the core of the role. You understand the trade-offs of microservice architecture (pros and cons)
• API testing - confident with Postman and REST APIs
• CI/CD - understands pipelines and can read them (GitLab CI)
• Bug tracking - Jira, structured defect management and reporting
• Strong troubleshooting - can localize a failure (frontend vs backend vs data vs infra)
• Logs / observability - able to investigate via ELK / Grafana
• English / Russian - Upper-Intermediate (B2) or higher; good communication skills

Nice to have

• Prior ClickHouse experience
• Web UI testing and familiarity with design systems (component libraries)
• Test automation tools - experience using test automation tools such as Selenium, JUnit, TestNG, or similar technologies
• AI for QA productivity - using agents / skills / LLM tooling to automate and speed up routine work
• Product / iGaming domain experience

Our Benefits

• Private health insurance
• Sports benefits
• Comprehensive Mental Health Program
• Free English lessons (online)
• Local language courses
• Paid time off
• Maternity leave support
• Referral program rewards
• Upskilling, internal workshops, and participation in professional conferences and corporate events