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Backend Tester Jobs (NOW HIRING)

Conduct API testing and backend validation of applications and services. * Develop and enhance automated testing frameworks using tools such as Selenium, Playwright, and BDD/Gherkin methodologies.

Automation Tester

$47 - $62.25/hr

Computer World Services Corp. (CWS) is seeking an experienced Automation Tester with strong expertise in Backend, API, and Microservices testing. The role involves designing, implementing, and ...

Automation Tester with EDI

Lake Saint Louis, MO · On-site

$43.50 - $57.50/hr

Very strong in SQL queries and back end testing * Some automation testing experience * End to End Testing Expereince * Correlate the Healthcare Application with EDI Structure. * Strong fundamental in ...

... Backend Tester) Location : Alpharetta GA Year of Experience : 0 - 4 Years Start Date : Jun 3rd week Interview Process : 1st level written Test, 2nd Level In person Interview (GA/ VA) JD : Knowledge ...

Role: Backend Developer Location: Remote (Anywhere) Duration: Long-term * Should be available to ... Conduct regular code reviews, unit testing, and integration testing to ensure code quality and best ...

Automation Tester

Springfield, VA · On-site +1

$110K - $115K/yr

We are seeking an experienced Automation Tester with strong expertise in Backend, API, and Microservices testing. The ideal candidate will design, implement, and maintain automation frameworks ...

Automation Tester

Springfield, VA · On-site

$110K - $115K/yr

We are seeking an experienced Automation Tester with strong expertise in Backend, API, and Microservices testing. The ideal candidate will design, implement, and maintain automation frameworks ...

Backend Engineer III

Columbia, MD · On-site

$90K - $124K/yr

This role requires strong expertise in backend database testing, ETL validation, big-data ecosystems, performance benchmarking, and cross-system data comparison between backend outputs and frontend/U ...

New

Backend Engineer Location: New York, NY . Job Type: ContractRole Overview We are seeking a Backend ... Implement automated testing and participate in CI/CD pipelines. * Collaborate with product managers ...

Back End Developer Location: Houston, TX - Onsite Experience: 5-7 years of relevant experience ... Contribute to CI/CD pipelines and automated testing. * Collaborate with cross-functional teams in ...

About the role We are seeking a dedicated Backend Engineer to join our remote team on a part-time ... Continuously learn and apply best practices in software development, including testing, version ...

Backend Engineer

Manhattan, NY · Remote

$140K - $240K/yr

This role is responsible for designing, building, testing, and operating reliable, scalable, and ... The Backend Engineer is expected to operate effectively in a modern engineering environment, using ...

Backend Engineer

Manhattan, NY · On-site

$140K - $240K/yr

This role is responsible for designing, building, testing, and operating reliable, scalable, and ... The Backend Engineer is expected to operate effectively in a modern engineering environment, using ...

QA-SDET Tester

Atlanta, GA · Hybrid

$58K - $123K/yr

This role is centered on API and backend testing, with exposure to automation and a deeper understanding of system behavior. Your future duties and responsibilities: . Execute manual testing for APIs ...

This role is centered on API and backend testing, with exposure to automation and a deeper understanding of system behavior. Your future duties and responsibilities: . Execute manual testing for APIs ...

Showing results 41-60

Backend Tester information

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How much do backend tester jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for backend tester in the United States is $55.59, according to ZipRecruiter salary data. Most workers in this role earn between $44.47 and $67.31 per hour, depending on experience, location, and employer.

What is a backend tester?

A Backend Tester is responsible for verifying the functionality, reliability, and performance of the server-side components of a software application. They focus on testing APIs, databases, and server logic to ensure data integrity and proper communication between systems. Using tools like Postman, SQL, and automation frameworks, they validate backend processes without a user interface. Their goal is to identify bugs, optimize performance, and ensure seamless data flow in applications.

What are the main responsibilities of a backend tester on a software development team?

As a Backend Tester, your primary responsibilities include designing and executing tests for server-side components, validating APIs, ensuring data integrity, and identifying potential bugs or performance bottlenecks. You’ll regularly review code changes, write and maintain test cases, and collaborate closely with developers, DevOps engineers, and sometimes frontend testers to deliver high-quality releases. Daily tasks may involve setting up automated test environments, creating detailed bug reports, and participating in Agile ceremonies like sprint planning or stand-ups. This role is vital for ensuring that new features and updates function reliably and securely behind the scenes.

What are the key skills and qualifications needed to thrive in the backend tester position, and why are they important?

To thrive as a Backend Tester, you need a solid understanding of backend technologies, API testing, database queries, and software development lifecycle concepts, often supported by a degree in computer science or related field. Familiarity with tools such as Postman, REST Assured, JMeter, and knowledge of bug-tracking systems like Jira is typically required, while ISTQB certification can be an advantage. Strong analytical thinking, attention to detail, and effective communication skills help Backend Testers work efficiently within development teams. These skills ensure issues are detected early, systems remain robust, and projects run smoothly through collaboration and clear reporting.

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Infographic showing various Backend Tester job openings in the United States as of September 2026, with employment types broken down into 93% Full Time, 2% Part Time, and 5% Contract. Highlights an 72% Physical, 5% Hybrid, and 23% Remote job distribution, with an average salary of $115,625 per year, or $55.6 per hour.

Senior Backend Python Developer

Mclean, VA • On-site

$127K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 3 days ago


Job description

Our organization is a unique software development company based in McLean, Virginia, dedicated to providing top-tier solutions to defend the United States and its businesses.  

We are seeking a highly skilled and passionate Senior Backend Python Developer who embodies our commitment to excellence and is driven to "do it right." This is a long-term opportunity for serious professionals who meet our stringent requirements and are eager to contribute to our critical mission. Compensation will be commensurate with experience, and we offer significant opportunities for professional growth and advancement within our best-of-the-best team. 

DESCRIPTION: 

We are seeking a highly skilled and experienced Senior Backend Python Developer to lead the development and architecture of robust and scalable backend systems for our critical applications. The ideal candidate will possess deep expertise in Python and a proven track record of designing, building, and deploying high-performance backend solutions. This role requires a strong technical leader who can architect complex systems, mentor junior developers, drive best practices, and effectively utilize technologies such as Flask, RESTful APIs, SocketIO, and graph query languages. You will play a pivotal role in ensuring the reliability, scalability, and security of our mission-critical backend infrastructure. 

Day-to-day responsibilities and duties include: 

  • Lead the design, architecture, and development of scalable and high-performance backend REST APIs using Python and the Flask framework.
  • Architect and implement robust real-time communication featuresutilizing Python and SocketIO for critical application components.
  • Design and implement efficient data models and interactions with graph databases,leveraging expertise in graph query languages (e.g., Cypher, Gremlin, graphql and aql)tooptimizedata retrieval and manipulation.
  • Collaborate closely with frontend developers, architects, and product owners to define and implement comprehensive backend solutions that meet project requirements and ensure seamless integration.
  • Write and maintain clean, well-documented, performant, and scalable Python code, establishing and enforcing coding standards and best practices across the team.
  • Conduct thorough code reviews, providing constructive feedback and ensuring code quality, security, and maintainability.
  • Proactively identify and resolve complex technical challenges, performance bottlenecks, and architectural issues within the backend systems.
  • Stay at the forefront of backend development trends, evaluating and recommending new technologies and approaches to enhance our capabilities and improve system efficiency.
  • Lead and mentor junior backend developers, providing guidance, technical expertise, and fostering their professional growth.
  • Drive the adoption of backend testing best practices, including unit, integration, and end-to-end testing, and ensure adequate test coverage.
  • Collaborate effectively within an agile development environment, participatingin planning, estimation, and architectural discussions.
  • Take ownership of the technical aspects of backend delivery, ensuring adherence to timelines, quality standards, and security requirements.
  • Contribute significantly to the continuous improvement of our development processes, tools, and overall backend architecture.
  • Participate in on-call rotations and troubleshoot production issues as needed.

REQUIREMENTS:

Applicants MUST

- must be able to qualify and maintain security clearance. 
 
- have at least 6 years of Backend Python Developer experience and have a good understanding of professional business environments. 

- be very friendly and able to calmly handle clients and staff 

- be able to carry themselves in a professional manner

- be punctual, responsible, and reliable 

- have good written and verbal communication skills (answering the phone and composing emails in a professional manner) 

Benefits / Additional Compensation: 

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • 401k match
  • Paid Time off

Job Type: Full-time 

Pay: From $127,000 per year excluding bonus and benefits.

Schedule: 

  • The schedule for this position is project driven and can be highly variable depending on project deadlines and the specific needs of the software development teams.
  • Monday to Friday
  • Weekends as needed

Work Location: In person