Senior Software Engineer in Test

Eliassen Group; Merrimack (NH); On-site; USD 75,768 - 82,656; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401k with company matching

Life insurance

Job summary

Eliassen Group is seeking a Senior Software Engineer in Test for a role on-site in Merrimack, NH. The candidate will work closely within an Agile squad, focusing on building fully automated tests, analyzing requirements for defect identification, and ensuring quality across products. This role emphasizes collaboration with cross-functional partners and driving continuous improvement in products.

Applicants must be able to work on a W2 basis. The position offers a comprehensive benefits package, including medical, dental, vision benefits, and a 401k with company matching.

Qualifications

• Demonstrated experience in Agile methodologies.
• Proficiency with Playwright and TypeScript for UI automation.
• Hands-on experience testing REST APIs.
• Strong software engineering skills and ability to write production-quality code.
• Experience with integration testing across independent systems.

Responsibilities

• Partner within an Agile squad to ensure quality is engineered into each story and feature.
• Design, implement, and maintain automated tests for web applications and REST APIs.
• Conduct requirement analysis, defect tracking, test reporting, and release signoff.

Skills

Agile methodologies

Playwright

TypeScript

REST APIs

Relational database

Jira

Xray

AWS

Job description

On-site in Merrimack, NH

Our client seeks a Senior Software Engineer in Test who will embed within an Agile squad to engineer quality into products. The role focuses on building fully automated tests each sprint, collaborating with cross-functional partners, and driving continuous improvement. You will design and implement automation for web UI and API layers, contribute high-quality code, analyze requirements to identify defects early, and champion quality practices that improve customer experience.

Due to client requirements, applicants must be willing and able to work on a W2 basis. For our W2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $60.00 to $55.00/hr. W2

JN -052026-107018

Responsibilities

• Partner within an Agile squad to ensure quality is engineered into each story and feature.
• Design, implement, and maintain automated tests for web applications and REST APIs using Playwright and TypeScript.
• Perform integration testing across event‑driven, API, and serverless architectures.
• Collaborate with product managers, analysts, developers, vendors, and business partners.
• Conduct requirement analysis, defect tracking, test reporting, and release signoff.
• Apply root cause analysis to defects and recommend remediation.
• Leverage CI tools such as Jenkins for test execution and reporting.
• Contribute ideas that improve test strategy, tooling, and delivery speed.

Experience Requirements

• Demonstrated experience in Agile methodologies.
• Proficiency with Playwright and TypeScript for UI automation.
• Hands‑on experience testing REST APIs.
• Strong software engineering skills and ability to write production‑quality code.
• Familiarity with Copilot and modern developer tooling.
• Experience with integration testing across independent systems.
• Relational database experience.
• Experience with Jira, Xray, and Xray integrations.
• AWS experience helpful.
• Strong analytical skills, collaborative communication, and ability to champion quality engineering.