QA Engineer (Part-time Freelance)

Quality Assurance Engineer (Freelance)

About The Company

The company is building a software ecosystem that includes backend services, mobile applications, and dashboards, with a strong focus on quality, reliability, and performance.

Contract Details

Freelance

4–6 hours per day
2-month contract

Responsibilities Backend Testing

Design and execute test cases for NestJS (TypeScript) server endpoints
Perform API testing using Postman
Conduct SQL database testing and data analysis, including:

Setting up services
Creating or connecting to local or cloud databases
Validating stored data against API responses

Mobile Application Testing

Test React Native Expo applications on both iOS and Android
Perform functional, usability, and performance testing on mobile apps

General QA Tasks

Create and maintain comprehensive test plans and test cases
Execute manual testing across all platforms
Identify, report, and track bugs using issue-tracking systems
Collaborate with developers to resolve issues and improve product quality
Continuously improve testing processes and methodologies

Required Skills Technical Skills

Experience testing NestJS REST APIs and validating request/response structures
Ability to validate authentication flows, error handling, and edge cases
Experience with API testing tools such as Postman
Familiarity with React Native Expo testing methodologies
Experience with version control systems (e.g., Git)
Understanding of database concepts and SQL

Testing Skills

Strong knowledge of software QA methodologies and best practices
Experience with manual testing techniques
Familiarity with test management tools and bug tracking systems
Understanding of performance and load testing concepts

Soft Skills

Excellent analytical and problem-solving abilities
Strong attention to detail
Effective written and verbal communication skills
Ability to work independently and within a team
Strong time management and prioritization skills

Nice to Have

Familiarity with blockchain fundamentals (wallets, transactions, gas fees, RPC nodes, token standards)
Experience testing crypto wallet applications or blockchain-based systems
Understanding of transaction lifecycle, signing flows, and multi-chain environments

Expected Results

Consistently identify and report critical bugs before production releases
Maintain a comprehensive suite of test cases covering all aspects of the software ecosystem
Reduce post-release defects by at least 30% within the first six months
Improve overall product quality and user satisfaction
Collaborate effectively with the development team to resolve issues quickly

Skills: nestjs,qa engineering,testing

QA Engineer (Part-time Freelance)

Key Skills

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