Senior Automation Engineer

Apex Systems; Jersey City (NJ); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Apex Systems seeks an experienced SDET II in Jersey City, NJ, to join a high-performing engineering team focusing on modern web apps, APIs, and AI-powered solutions.

In this role you will design and implement automated test strategies, build robust automation frameworks with Python, and collaborate across engineering, product, and QA teams to ensure high-quality software delivery.

Qualifications

• 8+ years of experience in Software Quality Engineering, Test Automation, or SDET roles.
• Strong hands-on experience with Python development and test automation.
• Experience with PyTest and object-oriented programming principles.
• Experience building and maintaining automation frameworks.
• Experience testing REST APIs and microservices.
• Experience with UI automation tools such as Playwright or Selenium.
• Experience working with SQL and/or NoSQL databases.
• Familiarity with CI/CD practices and DevOps methodologies.
• Experience working within Agile development environments.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and collaboration skills.

Responsibilities

• Design, develop, and execute automated test solutions for web applications, APIs, and backend services.
• Build, maintain, and enhance automation frameworks using Python and modern testing tools.
• Develop and execute functional, integration, regression, and system testing strategies.
• Validate APIs, microservices, and data flows across complex application environments.
• Collaborate with software engineers, product teams, and QA professionals throughout the SDLC.
• Support CI/CD processes and help integrate automated testing into release pipelines.
• Create test plans, test cases, test data, and quality metrics.
• Troubleshoot defects, perform root cause analysis, and communicate quality risks.

Skills

Python

Test automation

PyTest

REST APIs

UI automation

SDET

Selenium

Playwright

SQL

NoSQL

CI/CD

Agile

Tools

Playwright

Selenium

PyTest

SQL

NoSQL

Job description

Job Description

Job#: 3046495

Job Description

Location: Jersey City, NJ (Hybrid - 2 days onsite per week)

Duration: Long-Term Contract (1 Year)

Overview

We are seeking an experienced Software Development Engineer in Test (SDET II) to join a high-performing engineering team focused on modern web applications, APIs, and emerging AI-powered solutions. This role is ideal for a hands‑on automation engineer who enjoys building and enhancing test frameworks, validating complex systems, and collaborating closely with developers to ensure high-quality software delivery.

The successful candidate will have strong Python automation skills, experience testing web and API-based applications, and a passion for continuous learning in rapidly evolving technologies.

Responsibilities

• Design, develop, and execute automated test solutions for web applications, APIs, and backend services
• Build, maintain, and enhance automation frameworks using Python and modern testing tools
• Develop and execute functional, integration, regression, and system testing strategies
• Validate APIs, microservices, and data flows across complex application environments
• Work with structured and unstructured data sources to validate application functionality and data integrity
• Collaborate closely with software engineers, product teams, and QA professionals throughout the SDLC
• Participate in Agile ceremonies, requirement reviews, and test planning activities
• Support CI/CD processes and help integrate automated testing into release pipelines
• Create test plans, test cases, test data, and quality metrics
• Troubleshoot defects, perform root cause analysis, and communicate quality risks effectively
• Contribute to quality engineering efforts involving modern AI-enabled applications and intelligent workflows

Required Qualifications

• 8+ years of experience in Software Quality Engineering, Test Automation, or SDET roles
• Strong hands‑on experience with Python development and test automation
• Experience with PyTest and object-oriented programming principles
• Experience building and maintaining automation frameworks
• Experience testing REST APIs and microservices
• Experience with UI automation tools such as Playwright or Selenium
• Experience working with SQL and/or NoSQL databases
• Familiarity with CI/CD practices and DevOps methodologies
• Experience working within Agile development environments
• Strong analytical, troubleshooting, and problem‑solving skills
• Excellent communication and collaboration skills

Preferred Qualifications

• Experience validating AI-powered or Generative AI applications
• Familiarity with Large Language Models (LLMs), Retrieval Augmented Generation (RAG), AI agents, and related technologies
• Understanding of prompt validation, response evaluation, and AI quality testing concepts
• Experience with cloud platforms such as AWS
• Experience with performance testing tools such as JMeter, K6, or similar technologies
• Experience with monitoring and observability platforms such as