10269

3Core Systems, Inc; Chicago (IL); In loco; USD 90.000 - 130.000; Tempo pieno

Descrizione del lavoro

3Core Systems, Inc. in Chicago, IL is seeking a Senior SDET for Java REST API and performance testing on an onsite basis. The candidate will drive API test automation, performance testing, and end-to-end validations in a collaborative environment.

The role requires strong automation skills, experience with REST APIs, JMeter, and BDD frameworks, and a track record of delivering robust test frameworks and artifacts.

Competenze

• Strong design and development skills in two or more of the following: Java (3-5 years), Cucumber (3-5 years), JBehave or other BDD frameworks.
• At least 8 years of test automation framework design.
• Experience testing Webservices/REST APIs (3-5 years).
• Proven experience developing test scripts, test cases, and testdata.
• Ability to write queries in SQL or other relational databases.
• 3+ years of experience in developing scenario-based performance testing using JMeter.
• Experience testing full stack and integration testing with 3rd parties.

Mansioni

• Develop test automation code for CI/CD pipelines.
• Plan, design, develop, and maintain API test automation framework for scripting, execution, and results analysis.
• Provide technical leadership and mentoring for test engineers on multiple applications/projects onshore and offshore; train project team members to create, execute, analyze, and maintain automated regression suites.
• Coordinate with product owner to resolve open issues and understand functionalities as needed.
• Develop automated functional scripts using Java, Karate, JMeter.
• Perform exploratory and manual testing of the product suite as appropriate.
• Provide expertise in testing methodologies, best practices, and standards.

Conoscenze

API

Automation Testing

Cucumber

Java

JMeter

REST

Formazione

Bachelor’s Degree

Strumenti

JBehave

Descrizione del lavoro

Senior SDET Java REST API and Performance Testing

Chicago, United States | Posted on 10/29/2026

Role: Senior SDET Java REST API and Performance Testing (509924)

Location: Chicago, IL - Onsite 3-5 days/week

Duration: 13 MonthContract

Must Have Skills/Attributes

• API, Automation Testing, Cucumber, Java, JMeter, REST

Experience Desired

• Java, Cucumber, JBehave, BDD testing frameworks (3-5 Years)
• Experience testing Webservices/REST APIs (3-5 Years)
• Experience testing fullstack and integration testing with 3rd parties (8 Years)

Required Minimum Education

• Bachelor’s Degree

Job Description

RequiredSkills for the Senior SDET :

• Strong design and development skills in two or more of the following technologies and tools: Java (3-5 years) Cucumber (3-5 years), JBehave or other BDD testing frameworks
• At least 8 years of test automation framework design
• Strong experience in testing Webservices (REST APIs) (3+5 years)
• Proven experience developing test scripts, test cases, and testdata
• The ability to write queries in SQL or other relational databases
• 3+ years of experience in developing scenario based performance testing using JMeter
• Experience testing full stack and integration testing with 3rd parties
• End-to-end system integration testing experience for software platforms
• Ability to adapt quickly to a complex environment
• Pro‑active, flexible and creative
• Very strong communication skills and the ability to collaborate with developers and business users

Preferred Skills

• Hands on experience with Python
• Development experience in AWS Cloud technology
• Experience in TDD, continuous integration, code review practice is strongly desired
• Experience with Apigee or other API gateways is a plus
• Experience with DevOps concepts and tools (e.g., CI/CD, Jenkins, Git)
• At least 2 years working on an Agile team with a solid understanding of Agile/Lean practices.
• Understanding of a micro service Architecture
• Experience load and performance testing
• Extend testing automation framework using JAVA/JAVA Script
• Take ownership in understanding business requirements/ACs and develop test strategy/test plan
• Develop automation test cases using existing automation framework

Responsibilities

• Develop test automation code for Continuous Integration (CI), Continuous Delivery (CD), of systems, infrastructure, and test framework
• Plan, design, develop, and maintain API test automation framework that facilitates automation scripting, execution, and analysis of results
• Provide technical leadership and mentoring for test engineers on multiple applications/projects onshore and offshore; train and mentor project team members to create, execute, analyze, and maintain automated regression suites
• Coordinate with product owner to resolve open issues/enhancements/upgrades and understand the use of a specific functionality as needed
• Develop automated functional scripts using tools such as Java, Karate, JMeter
• Perform exploratory and manual testing of the product suite as appropriate
• Provide expertise in testing methodologies, best practices, and standards