The Role
Lead backend-focused QA for microservice-based systems: plan and run integration, system, E2E, UAT and usability tests; validate complex asynchronous flows and messaging (SNS/SQS); analyze logs and traces; collaborate with developers and cross-functional teams to improve product stability and quality.
Summary Generated by Built In
We are looking for an experienced Senior QA Backend Engineer with a strong focus on backend testing and distributed systems. You will be responsible for ensuring the quality of complex applications built on a microservices architecture by planning, executing, and evaluating various testing activities. The ideal candidate is a proactive team player with excellent analytical and communication skills who enjoys collaborating across multiple development teams.
Responsibilities:
- Plan and execute integration, system and usability testing
- Taking part of E2E and UAT testing
- Validate complex backend flows across multiple microservices and integrations
- Work with the developers to understand the critical paths and ensure product stability
- Build better cooperation with other Dev Teams
- Collaborate closely with cross-functional and cross-team stakeholders to improve overall product quality
Requirements
- At least 5+ years of experience as software tester
- Highly motivated team player with strong communication skills
- Working experience in planning, analysis, execution and evaluation of tests
- Working experience and knowledge of common test design techniques
- Strong test analytics skills
- Understanding of mobile and web-based applications
- Strong backend-focused testing experience
- Experience testing microservice-based architectures across multiple services
- Understanding of asynchronous and event-driven systems
- Experience with AWS SNS/SQS based integrations and messaging flows
- Understanding of software development lifecycle
- Knowledge of defect management tools like: Jira, YouTrack etc.
- Knowledge of test management tools like: TestRail, Xray etc.
- Experience of API testing tools: Postman, Swagger etc.
- Experience with SQL databases
- Ability to analyze logs, trace requests and validate data flow across services
- Experience in Agile
- Testing in projects
- Strong cross-team collaboration and communication skills while working with multiple development teams
Nice to have:
- Experience with test automation for web and mobile applications.
- Knowledge of REST API standards, HTTP protocols, and API contract validation.
- Experience in payment cards, card management, or payment processing domains.
- ISTQB Foundation Level and/or ISTQB Advanced Test Analyst certification.
Benefits
- B2B contract
- Hybrid work (Office Thu + PI Planning onsite)
- Engagement in technically challenging projects with a mature engineering culture.
- Long-term cooperation on an exciting international project.
- Opportunity to influence testing strategy, quality standards.
Skills Required
- At least 5+ years of experience as software tester
- Highly motivated team player with strong communication skills
- Working experience in planning, analysis, execution and evaluation of tests
- Working experience and knowledge of common test design techniques
- Strong test analytics skills
- Understanding of mobile and web-based applications
- Strong backend-focused testing experience
- Experience testing microservice-based architectures across multiple services
- Understanding of asynchronous and event-driven systems
- Experience with AWS SNS/SQS based integrations and messaging flows
- Understanding of software development lifecycle
- Knowledge of defect management tools like: Jira, YouTrack etc.
- Knowledge of test management tools like: TestRail, Xray etc.
- Experience of API testing tools: Postman, Swagger etc.
- Experience with SQL databases
- Ability to analyze logs, trace requests and validate data flow across services
- Experience in Agile
- Testing in projects
- Strong cross-team collaboration and communication skills while working with multiple development teams
- Experience with test automation for web and mobile applications
- Knowledge of REST API standards, HTTP protocols, and API contract validation
- Experience in payment cards, card management, or payment processing domains
- ISTQB Foundation Level and/or ISTQB Advanced Test Analyst certification
Am I A Good Fit?
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.
Success! Refresh the page to see how your skills align with this role.
The Company
What We Do
Look4IT is a recruitment agency specializing in providing top-quality recruitment and outsourcing services within the IT sector, focusing on staffing solutions for permanent and contract positions.







