API Test Automation Engineer

API Test Automation Engineer

Allied Testing Serbia

Beograd

21.10.2026.

SQL

Java

Git

JUnit

TestNG

Maven

Jenkins

XML

JSON

REST

QA

SCRUM

HTTP

Agile

intermediate

Allied Testing is a leading specialist QA and testing international firm with focus on the finance industry.

We are looking to hire a Test automation engineer to work on an outsourcing project for a client. Both junior and senior level candidates will be considered.

The job will require working in a distributed international environment with both local and remote teams. Successful candidates will have to communicate in English with other team members and management on a daily basis.

Requirements

• Experience in backend and REST API automation testing

• Strong knowledge of Java and object-oriented programming

• Hands-on experience with REST Assured and API automation frameworks

• Strong understanding of REST APIs, HTTP methods, status codes, headers, authentication, JSON, and XML

• Experience using modern AI tools, such as Claude Code, to accelerate test automation.

• Experience with JUnit or TestNG

• Experience validating backend data using SQL

• Familiarity with Git version control

• Understanding of CI/CD tools and pipelines, such as Jenkins

• Familiarity with Maven and dependency/build management

• Knowledge of functional, regression, integration, negative, and end-to-end testing

• Ability to troubleshoot API failures using logs and debugging

• Familiarity with Agile/Scrum methodologies and defect tracking tools

• Fluent written and spoken English

• Strong problem solving and analytical skills

• Ability to understand technical requirements with complex logic

• Experience with UI test automation, and using tools such as Playwright is a plus.

• Experience in the financial industry is a plus.

• A bachelor’s degree in computer science or a related field is a plus.

Conditions:

• We offer a pleasant, healthy, challenging but rewarding work environment and a base compensation depending on individual skills and experiences.

• The salary depends on the experience and skills of the candidate.

• Trial period: 2 months

• Financial and career opportunities.

• Only CVs in English will be considered.