Role & seniority: Software Development Engineer in Test (SDET); mid-senior level (3+ years)

Stack/tools: Playwright or Cypress; Python; TypeScript/JavaScript; Git + GitHub Actions; CI/CD; API validation; NoSQL and relational databases; containerized and serverless architectures; event-driven systems

Top 3 responsibilities

Design and implement automated end-to-end test suites (Playwright/Cypress)
Validate and troubleshoot APIs, databases, caching, and event-driven architectures
Build/optimize CI/CD pipelines for automated testing; ensure test coverage and quality across applications; collaborate with engineering teams

Must-have skills

Bachelor’s degree in Computer Science or related field
3+ years in software testing, backend development, or DevOps
Proficiency in Python; familiarity with TypeScript/JavaScript
Experience with Playwright or Cypress; strong knowledge of containerized apps, serverless, and CI/CD automation
Git workflows and version control
Active U.S. Security Clearance (Secret required; TS/SCI preferred)

Nice-to-haves

Experience with distributed systems/multi-tier architectures
API testing tools and performance optimization knowledge
Experience in mission-critical or regulated environments

Location & work type: Hybrid role in Washington, DC

Compensation (for context): $120,000–$160,000; full benefits (medical/dental/vision, 401k, PTO, holidays)

Full Description

Zachary Piper Solutions is seeking an Software Development Engineer in Test (SDET) to support automated testing and validation for complex software systems in a secure environment. This role will focus on building robust test frameworks, validating APIs, and ensuring quality across distributed architectures. This position will be hybrid in Washington, DC!

Responsibilities of the SDET include

Design and implement automated test suites for end-to-end validation using Playwright or Cypress Develop and maintain test scripts in Python and work with TypeScript/JavaScript for front-end testing Validate and troubleshoot APIs, distributed NoSQL and relational databases, caching systems, and event-driven architectures Build and optimize CI/CD pipelines for automated testing, preferably using GitHub Actions Collaborate with engineering teams to ensure test coverage and quality standards across containerized and serverless applications Support verification and validation for complex software systems in mission-critical environments Maintain version control and code quality using Git and GitHub

Required Qualifications for the SDET

Bachelor’s degree in Computer Science or related field 3+ years of professional experience in software testing, backend development, or DevOps (or equivalent self-driven technical experience) Proficiency in Python and familiarity with TypeScript/JavaScript Experience with end-to-end testing frameworks such as Playwright or Cypress Strong knowledge of containerized applications, serverless architecture, and CI/CD automation Familiarity with Git-based workflows and version control systems Active U.S. Security Clearance (Secret required; TS/SCI preferred)

Preferred Skills

Experience with distributed systems and multi-tier architectures Knowledge of API testing tools and performance optimization strategies Exposure to mission-critical or regulated environments

Compensation for the SDET includes

Salary Range: $120,000 - $160,000 depending on experience

Full Benefits: Medical, Dental, Vision, 401k, Paid Time Off, and Federal Holidays

Keywords

SDET, Software Development Engineer in Test, Python Automation, TypeScript Testing, JavaScript Testing, Playwright, Cypress, API Testing, CI/CD Pipelines, GitHub Actions, Git, Containerized Applications, Serverless Architecture, NoSQL Databases, Relational Databases, Event-Driven Architecture, Test Automation, Security Clearance Jobs, TS/SCI, Secret Clearance, Arvada, Colorado, Denver, Washington DC, California

Software Development Engineer in Test (Clearance Required)