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QA Engineer

Develop comprehensive test plans for blockchain tokenization and smart contract systems
São Paulo, São Paulo, Brazil
Junior
yesterday
Exadel

Exadel

Provides custom software engineering, digital transformation, and consulting services for enterprises using modern technologies and agile delivery models.

QA Engineer

We're an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what's next. What powers it all? Our people are ambitious, collaborative, and constantly evolving.

What You'll Do

Create, execute, and document manual and automated test plans and test cases for tokenization systems, smart contracts, and crypto asset functionality.

Test end-to-end interactions across distributed systems, APIs, blockchain components, and supporting services.

Participate actively in agile ceremonies and champion a quality-first mindset.

Collaborate with product managers, developers, and architects to identify risks and improve processes.

Support release cycles, monitor behavior in production, and perform root-cause analysis using a detective-style approach.

Validate integrations, data flows, and security-relevant behaviors across blockchain and backend services.

What You Bring

Proven experience as a QA Analyst / Tester in software development environments.

Familiarity with smart contracts and tools such as Hardhat, Truffle, or Remix.

Strong understanding of functional, regression, integration, and performance testing.

Hands-on experience testing APIs with tools like Postman or Swagger.

Fluent English for documentation, communication, and technical discussions.

Strong analytical thinking, curiosity, and clear communication skills.

Nice to Have

Experience with test automation frameworks such as Selenium, Cypress, or Playwright.

Knowledge of blockchain technologies (Ethereum, Hyperledger, Polygon, or similar) and blockchain/crypto security concepts.

Background in fintech, financial services, tokenization, or Web3 organizations.

Basic programming skills in JavaScript, Python, Go, or similar languages.

Legal & Hiring Information

Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more.

Reasonable accommodations are available to enable individuals with disabilities to perform essential functions.

Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs.

Your Benefits at Exadel

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

International projects

In-office, hybrid, or remote flexibility

Medical healthcare

Recognition program

Ongoing learning & reimbursement

Well-being program

Team events & local benefits

Sports compensation

Referral bonuses

Top-tier equipment provision

Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.

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QA Engineer
São Paulo, São Paulo, Brazil
Engineering
About Exadel
Provides custom software engineering, digital transformation, and consulting services for enterprises using modern technologies and agile delivery models.