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Senior Test Engineer Job in Columbus, Ohio US

Senior Test Engineer

Beacon Hill Staffing Group, LLC - Columbus, OH

Posted: 12/4/2025 - Expires: 1/3/2026

Job ID: 292955595

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Job Description

Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.

About the Role

We're looking for a Senior Test Engineer who can design, implement, and lead testing strategies for critical backend services with multiple external dependencies. You'll own API and integration testing, test data management, mocking/stubbing strategy, and CI/CD automation for Node.js/Java services.

What You'll Do

* Own test strategy for services with external dependencies: define the right mix of unit, integration, contract, and end-to-end tests.
* Design robust API test suites: validation, error handling, boundary conditions, idempotency, concurrency, and negative paths-especially for financial transaction flows.
* Implement mocking/stubbing for databases and external APIs using libraries (e.g., Mockito, WireMock, Testcontainers, or equivalents).
* Build and maintain CI/CD pipelines (Jenkins/GitLab) that include automated tests, environment setup/teardown, test data seeding, and quality gates.
* Promote TDD and testability: red-green-refactor where it makes sense, advocate for dependency injection and clean seams.
* Measure and improve test effectiveness: use coverage wisely, track flake rate, mean time to detect defects, and maintenance cost; improve ROI continuously.
* Secure testing: ensure tests cover auth, authorization, PII handling, and transaction correctness; collaborate on compliance needs where applicable.
* Coach and uplift: mentor devs on testing best practices, lead incident postmortems focused on prevention via tests.
Qualifications

* 5+ years in software testing or SDET roles focused on backend/API services.
* Strong understanding of unit vs. integration testing (scope, isolation, mocking, seams).
* Hands-on with testing tools:

* Java: JUnit/TestNG, Mockito, AssertJ/Hamcrest, Testcontainers.
* JavaScript/Node.js: Jest, Mocha/Chai, SuperTest/RestAssured, nock/sinon.

* Experience testing APIs that connect to databases (mock vs. test DB; setup/teardown; fixtures; transactional tests).
* Proven CI/CD experience (Jenkins/GitLab): pipeline stages, automated test integration, parallelization, artifact management, environment provisioning.
* Comfort with contract testing (e.g., Pact) and integration testing for external service dependencies.
* Practical knowledge of TDD benefits and tradeoffs; ability to apply red-green-refactor in targeted areas
* Solid understanding of code coverage limitations and test reliability (flake management, determinism).
* Experience writing secure tests for financial or high-integrity transactions: validation, boundary tests, error states, reconciliation, and idempotency.
Beacon Hill is an equal opportunity employer and individuals with disabilities and/or protected veterans are encouraged to apply.

California residents: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

If you would like to complete our voluntary self-identification form, please click here or copy and paste the following link into an open window in your browser: https://jobs.beaconhillstaffing.com/eeoc/

Completion of this form is voluntary and will not affect your opportunity for employment, or the terms or conditions of your employment. This form will be used for reporting purposes only and will be kept separate from all other records.

Company Profile:

Beacon Hill Technologies, a premier National Information Technology Staffing Group, provides world class technology talent across all industries utilizing a complete suite of staffing services. Beacon Hill Technologies' dedicated team of rec

Apply here: https://www.aplitrak.com/?adid=YmJnZW5lcmljLjkyNjgyLjEwNTA4QGJlYWNvbmhpbGxjb21wLmFwbGl0cmFrLmNvbQ

Job Summary

Employment Type:
Full Time Employee
Job type:
Regular Employment
Skill Based Partner:
No
Education Level:
High school graduate
Work Days:
Mon, Tue, Wed, Thu, Fri
Job Reference Code
N/A
Salary
N/A
Licenses / Certifications:
N/A
Display Recommended WorkKeys®Recommended WorkKeys®:
Applied Math: 6
Graphic Literacy: 6

Workplace Documentation: 5