Middle Manual QA Engineer

InvestEngine

. Manually test frontend and backend features .

Posted 10/23/2026full-timeRemoteMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in manual QA processes for web applications, including API testing with Postman, SQL query writing, and effective collaboration across technical and non-technical teams. Strong analytical skills and a commitment to improving QA workflows are essential.

Highest-signal resume keywords

Manual QA ExperienceAPI Testing Using PostmanSQL Query WritingProxy Tools ProficiencyMobile App Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Manual QAAPI TestingSQLHTMLCSSTest Design TechniquesClient-Server ArchitectureDebuggingMobile App TestingAutomation Tools

Soft Skills

Critical ThinkingAnalytical SkillsSelf-DrivenOrganizedClear Communication

Tools & Technologies

PostmanCharlesFiddlerProxy Tools

Industry Keywords

Web ApplicationsQA ProcessesCustomer JourneyProduct-First CompaniesMarketing-Driven Environments

Tech Stack

Tools & technologies

AndroidiOSSQL

About the role

Key responsibilities & impact

Manually test frontend and backend features
Collaborate with developers and marketers to clarify requirements
Identify gaps, propose improvements, and evolve QA processes
Perform basic API testing using Postman
Write and run simple SQL queries to validate data
Use proxy tools for deeper request/response validation
Support mobile app regression testing when needed
Own quality across the customer journey from landing page and registration through onboarding to analytics
Work with protocols, regulations, and third-party providers
Collaborate with engineers, product managers, marketers, and external partners, often in English

Requirements

What you’ll need

3+ years of manual QA experience focused on web applications
Solid knowledge of test design techniques
Hands-on experience testing APIs and using Postman
Technical literacy in HTML/CSS, client-server architecture, and basic debugging
Ability to write SQL queries to validate backend logic
Confidence using proxy tools such as Charles or Fiddler
Strong critical thinking and analytical skills
Self-driven, organized, and comfortable working without micromanagement
Clear communication and effective collaboration with technical and non-technical teams
Experience testing mobile apps (Android/iOS) is a plus
Interest in improving QA workflows and processes is a plus
Familiarity with automation tools or AI-assisted testing is a plus
Previous experience in product-first companies or marketing-driven environments is a plus

Benefits

Comp & perks

Impact from day one, helping ship critical features used by tens of thousands of customers
Room to grow and expand testing scope and team-wide QA practices
Modern tools including Postman and SQL
Async-first communication, clear ownership, and team visibility
Supportive, collaborative team across engineering, product, and marketing
Remote and flexible work; work from where you’re most productive
Support from experienced QA leads
Open culture encouraging experimentation and learning