ITRex Group

GenAI strategy, integration, and deployment experts

Quality Assurance Engineer

Manual & Functional QAPosted on Nov 11

Full-timeRemote in PolandNo salary listed

About the Job

Requirements

At least 3 years of hands-on quality assurance experience.
Strong experience manually testing mobile applications on iOS and Android, web applications, and APIs including REST and GraphQL.
Experience using traffic sniffers or proxy tools such as Charles Proxy, Fiddler, or Proxyman.
Hands-on experience applying an agentic approach across the software development life cycle, such as Claude Code or AI agents for test design, execution, and defect analysis.
Ability to design, execute, and maintain comprehensive test documentation.
Familiarity with bug-tracking and test-management systems such as Zephyr, Qase, or Test Trello.
Understanding of the software development life cycle and quality assurance's role within Agile, Scrum, or Kanban environments.
English proficiency at upper-intermediate level or above.
Ability to convey information clearly and concisely in verbal and written communication.
Ability to work effectively in Agile cross-functional environments.
Strong attention to detail and ownership of quality.
Ability to stay effective under deadlines and production pressure.
Ability to operate independently within a defined framework.

Responsibilities

Perform manual testing of mobile applications and APIs, including REST and GraphQL.
Design, execute, and maintain comprehensive test documentation.
Use artificial intelligence tools as part of the quality assurance toolkit to enhance test coverage and efficiency.
Collaborate with developers, product managers, and stakeholders to ensure product quality.
Define and establish quality assurance processes and best practices for new projects.
Own the end-to-end testing process and act as the sole quality assurance resource when required.
Contribute as part of a quality assurance team, aligning with shared goals and standards.
Work with the team on product requirements during backlog refinement.
Participate in Agile ceremonies and provide input on quality-related risks.

Desired Qualifications

Experience with mobile test automation.
Hands-on experience building or integrating skills and agents.
Knowledge of performance and security testing.
Experience with cryptocurrency testing.

QA Engineer

ITRex Group · Poland (Remote) · — · Posted 2026-11-11

Workplace: remote

Department: Delivery

Description

Description:

THE PLACE

ITRex - AI pioneers who build systems that actually work in the real world, not just in demos. We're 200+ people spread across the US and Europe, creating solutions for companies like P&G and Shutterstock. We keep it simple, build it right, and focus on what works.

THE PEOPLE

We're the kind of people who don't ignore messages in Slack, who jump in to help when you're stuck on a problem, and who offer solutions instead of blame when things go sideways. We believe in openness, accountability, and having each other's backs. No office politics, no hidden agendas - just people who care about doing good work together and supporting each other to get there.

THE ROLE

We are looking for a QA Engineer to join a high-scale product in the digital finance / blockchain domain.
Our client is a globally distributed tech company building high-load, security-critical solutions used by millions of users. The product ecosystem is with a strong focus on mobile.

You will own quality across the full release cycle, working closely with engineering, product, and stakeholders. Your work will directly impact the reliability and security of large-scale financial systems.

Responsibilities:

Perform manual testing of mobile and APIs (REST, GraphQL)
Design, execute, and maintain comprehensive Test Documentation
Use AI tools as part of the QA toolkit to enhance test coverage and efficiency
Collaborate closely with developers, product managers, and stakeholders to ensure product quality
Define and establish QA processes and best practices for new projects
Act as the sole QA when required, owning the end-to-end testing process
Contribute as part of a QA team, ensuring alignment with shared goals and standards
Work with product requirements together with the team during backlog refinement
Participate in Agile ceremonies and provide input on quality-related risks

Requirements

Technical Skills

3+ years of hands-on QA experience
Strong experience in manual testing across multiple platforms: Mobile applications (iOS/Android), Web applications, APIs (REST, GraphQL, etc.)
Experience working with traffic sniffers / proxy tools such as Charles Proxy, Fiddler, Proxyman, etc
Hands-on experience applying an agentic approach across the SDLC (e.g., Claude Code, AI agents for test design, execution, and defect analysis)
Ability to design, execute, and maintain comprehensive test documentation
Familiarity with bug tracking and test management systems (e.g., Zephyr, Qase, Test Trello)
Understanding of SDLC and QA’s role within Agile, Scrum, or Kanban environments

Business & Collaboration

Excellent communication skills, both verbal and written, with an ability to convey information clearly and concisely
Product-oriented and collaborative mindset, effective in Agile cross-functional environments
Strong attention to detail and ownership of quality
Ability to stay effective under deadlines and production pressure
Self-driven and proactive, able to operate independently within a defined framework
English proficiency: Upper-intermediate and above

Nice to have:

Experience with mobile test automation
Hands-on experience building/integrating skills & agents
Knowledge of performance and security testing
Experience with crypto testing

Benefits

Benefits:

Why people stay

First, the foundation:

Remote flexibility: Work where and how you work best - we trust you to deliver
Fair compensation: Competitive salary + benefits that matter (medical, learning)

Then, the growth:

Ownership opportunities: See a problem worth solving? Own it. We back smart risks over bureaucratic safety
AI enhancement: We leverage AI to make you faster and stronger - complementing your abilities, not replacing them
Learning investment: English classes, professional development
Career progression: Real paths up, not just sideways shuffling

Finally, the people:

Responsive teammates: No ignored Slacks, no "not my problem" attitudes
Supportive culture: When you're stuck, people help. When things break, we fix them together
Human connections: Regular meetups, tech talks, and actual relationships beyond work

Curious? We are too. Let's talk

Apply

Apply at ITRex Group

About the Company

ITRex Group

GenAI strategy, integration, and deployment experts

IT Rex Group provides AI consulting and implementation services to design, build, and deploy real‑world AI and data systems at scale. Its work covers the full Gen AI and data stack, from strategy and readiness assessments to enterprise deployment of LLMs, RAG systems, domain-specific copilots, small language models, autonomous agents, and custom model fine-tuning, plus prompt engineering. It also builds AI-ready data infrastructure, vector databases, and governance, security, and MLOps to support ongoing operations. The company differentiates itself by acting as hands-on AI engineers with production-ready PoCs, cost- and performance-aware model selection, built-in risk mitigation and governance, and deep experience with regulated industries. Its goal is to help clients move from exploration to scalable, lasting AI systems that deliver measurable business value.

Company size: 201-500
Company stage: Not listed
Total funding: Not listed
Headquarters: Aliso Viejo, CA
Founded: 2009

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