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Senior Stack Tester Jobs (NOW HIRING)

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Designing, developing, testing, and deploying full-stack applications in an AWS cloud environment ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Designing, developing, testing, and deploying full-stack applications in an AWS cloud environment ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Designing, developing, testing, and deploying full-stack applications in an AWS cloud environment ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Designing, developing, testing, and deploying full-stack applications in an AWS cloud environment ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Designing, developing, testing, and deploying full-stack applications in an AWS cloud environment ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Designing, developing, testing, and deploying full-stack applications in an AWS cloud environment ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Designing, developing, testing, and deploying full-stack applications in an AWS cloud environment ...

VibeIQ

Senior Full Stack Engineer

Boston, MA · On-site

$170K - $190K/yr

As a Sr. Full Stack Engineer for the Core Apps team, you will play a key role in shaping our core ... Experience with automated testing. * Contributions to open-source projects or technical blog posts.

VibeIQ Inc.

Senior Full Stack Engineer

Boston, MA · On-site

$170K - $190K/yr

As a Sr. Full Stack Engineer for the Core Apps team, you will play a key role in shaping our core ... Experience with automated testing. * Contributions to open-source projects or technical blog posts.

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Senior Stack Tester information

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How much do senior stack tester jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for senior stack tester in the United States is $53.18, according to ZipRecruiter salary data. Most workers in this role earn between $47.60 and $60.58 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Stack Tester, and why are they important?

To thrive as a Senior Stack Tester, you need deep knowledge of software testing methodologies, quality assurance processes, and solid experience with full-stack application architectures. Familiarity with test automation tools (like Selenium or JUnit), CI/CD systems, and scripting languages is typically required, along with relevant certifications such as ISTQB. Strong problem-solving skills, attention to detail, and effective communication help you collaborate across development teams and catch subtle defects. These competencies ensure robust, scalable, and reliable software releases in complex enterprise environments.

What are Senior Stack Testers?

Senior Stack Testers are experienced professionals responsible for conducting tests and inspections on emission sources, such as industrial stacks, to ensure compliance with environmental regulations. They use specialized equipment to collect and analyze samples of gases, particulates, and other pollutants released into the atmosphere. Senior Stack Testers typically lead testing teams, oversee safety protocols, interpret test results, and generate detailed reports for regulatory agencies. This role requires strong technical knowledge, attention to detail, and familiarity with environmental standards like the EPA’s Method 5.

What are some common challenges faced by Senior Stack Testers when working with complex, multi-layered applications?

Senior Stack Testers often encounter challenges such as ensuring end-to-end test coverage across both front-end and back-end systems, managing rapidly evolving tech stacks, and troubleshooting elusive integration issues. Coordinating with development, DevOps, and product teams to address dependencies and maintain test environments can also be demanding. Staying up to date with the latest testing tools and frameworks is essential for maintaining efficiency and accuracy in such a dynamic role.

What is the difference between Senior Stack Tester vs Stack Tester?

AspectSenior Stack TesterStack Tester
CertificationsISTQB, ISTQB Advanced, or equivalentEntry-level certifications or none
Experience5+ years in testing, leadership roles1-3 years, focused on basic testing
Work EnvironmentLarge teams, complex projects, leadership responsibilitiesSmaller teams, focused on executing test cases
ResponsibilitiesDesigning test strategies, mentoring, complex issue resolutionExecuting test cases, reporting bugs

The main difference between a Senior Stack Tester and a Stack Tester lies in experience, certifications, and responsibilities. Senior Stack Testers typically have more advanced skills, leadership duties, and work on complex projects, whereas Stack Testers focus on executing tests and reporting issues. Both roles are essential in the testing lifecycle, but the senior position requires more expertise and oversight.

More about Senior Stack Tester jobs
What cities are hiring for Senior Stack Tester jobs? Cities with the most Senior Stack Tester job openings:
What are the most commonly searched types of Stack Tester jobs? The most popular types of Stack Tester jobs are:
What states have the most Senior Stack Tester jobs? States with the most job openings for Senior Stack Tester jobs include:
What job categories do people searching Senior Stack Tester jobs look for? The top searched job categories for Senior Stack Tester jobs are:
Senior Stack Tester jobs near you
Infographic showing various Senior Stack Tester job openings in the United States as of July 2026, with employment types broken down into 90% Full Time, 8% Part Time, and 2% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $110,610 per year, or $53.2 per hour.
Senior Full Stack Developer

Senior Full Stack Developer

System One

Mclean, VA • Remote

Contractor

Medical, Dental, Vision, Life, Retirement

Posted 21 days ago

Job description

Senior Full Stack Developer Remote

We are seeking a Senior Full Stack Developer to support a federal cloud modernization and product development effort focused on scalable, secure, cloud-native applications hosted in AWS.

This is a remote opportunity supporting ongoing application modernization, technology migration, and product enhancement initiatives. The Senior Full Stack Developer will collaborate with client stakeholders, solution architects, product owners, UX designers, platform engineers, business analysts, and cross-functional technical teams to design, build, test, and deploy resilient software solutions.

The ideal candidate has strong hands-on experience with Python and JavaScript, modern web frameworks, RESTful APIs, microservices, cloud-native development, and AWS-based application delivery. Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI, Falcon, SQLAlchemy, React, Svelte, Angular, or similar technologies may also be considered.

Responsibilities include:

Designing, developing, testing, and deploying full-stack applications in an AWS cloud environment

Building secure, scalable, and resilient software solutions using Python, JavaScript, and modern frameworks

Developing RESTful APIs, microservices, and API-first application components

Supporting modernization, migration, and enhancement of existing applications and platforms

Collaborating with architects, product owners, UX designers, platform engineers, and business stakeholders

Creating demonstrations, prototypes, and technical solutions to address client needs

Participating in Agile development activities, code reviews, troubleshooting, and deployment support

Contributing to best practices around cloud-native development, containerization, security, performance, and maintainability

Required Qualifications:

6+ years of relevant full-stack software development experience

Bachelor’s degree preferred; 10 years of relevant experience may be considered in lieu of a degree

Strong professional experience with Python

Strong professional experience with JavaScript and modern frontend development

Experience developing RESTful APIs and working with microservices or API-first architectures

Experience building or supporting cloud-native applications in AWS

Experience with modern development practices, version control, testing, and Agile delivery

Ability to collaborate with technical and non-technical stakeholders in a remote, client-facing environment

Preferred Qualifications:

Experience with Django and Vue.js

Experience with Flask, FastAPI, Falcon, SQLAlchemy, React, Svelte, or Angular

Experience with PostgreSQL or other relational databases

Experience with Docker, Kubernetes, ECS, or other containerization/orchestration technologies

Experience supporting federal, public sector, financial services, or lending-related platforms

Experience with application modernization, cloud migration, or product development initiatives

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M1 #LI-CS1 Ref: #851-Rockville-S1

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